To find the percentage of students who collected between 49 and 98 kilograms of newspapers, we need to first count the number of students whose collection falls within this range. We can do this by sorting the data and counting the number of values that fall within this range.
Sorting the data, we get:
15, 23, 35, 45, 45, 49, 55, 56, 57, 60, 64, 75, 76, 87, 88, 90, 98, 100, 101, 105, 120, 122
We can see that there are 17 students whose collection falls within the range of 49 to 98 kilograms.
To find the percentage of students, we can divide the number of students whose collection falls within this range by the total number of students and then multiply by 100. The total number of students is the sum of the number of values in the two sets, which is 22 + 22 = 44.
Therefore, the percentage of students who collected between 49 and 98 kilograms of newspapers is:
17/44 * 100% ≈ 38.6%
So approximately 38.6% of the students collected between 49 and 98 kilograms of newspapers.
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I know its not alot of point but please help me and no essay you will get brainliest if ur answer was first and correct
Write a note to your pen pal about the kinds of music you like best. In addition, write about any instruments you might play. Be sure you use at least 5-6 complete Spanish sentences in your response. Find the values of x, y, and z. Round answers to the nearest hundredths place, if necessary
Answer:
Querido/a [Pen pal's name],
¡Hola! Espero que estés bien. Quería escribirte sobre mis gustos musicales. Me encanta la música de todo tipo, pero mis géneros favoritos son el pop y el rock. Me gusta escuchar artistas como Taylor Swift, Ed Sheeran, Coldplay y Queen. También disfruto escuchar música latina como el reggaetón y la salsa.
Además de escuchar música, también me gusta tocar algunos instrumentos. Toco la guitarra y el piano desde hace algunos años y me encanta aprender nuevas canciones y melodías en ambos instrumentos.
Creo que la música es una forma maravillosa de expresión y me encanta poder hacer música yo mismo.
¿Y tú? ¿Qué tipo de música te gusta? ¿Tocas algún instrumento? Me encantaría saber más sobre tus gustos musicales y si tienes algún hobby musical.
Espero tu respuesta pronto. ¡Cuídate mucho!
Saludos cordiales,
[Your name]
x = 4.56
y = 8.24
z = 12.99
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Let f(x) = 1 + x + x2 + x3 + x4+ x5 .
i) For the Taylor polynomial of f at x = 0 with degree 3, find T3(x), by using the definition of Taylor polynomials.
ii) Now find the remainder R3(x) = f(x) − T3(x).
iii) Now on the interval |x| ≤ 0.1, find the maximum value of f (4)(x) .
iv) Does Taylor’s inequality hold true for R3(0.1)? Use your result from the previous question and justify.
i) T3(x) = 1 + x + x^2 + x^3/3
ii) R3(x) = x^4/4 + x^5/5
iii) The maximum value of f(4)(x) on the interval |x| ≤ 0.1 is 144.
iv) Yes, Taylor's inequality holds true for R3(0.1) since the maximum value of f(4)(x) on the interval |x| ≤ 0.1 is less than or equal to 144, which is smaller than the upper bound of 625/24.
i) To find T3(x), we start by calculating the derivatives of f(x) up to order 3:
f(x) = 1 + x + x^2 + x^3 + x^4 + x^5
f'(x) = 1 + 2x + 3x^2 + 4x^3 + 5x^4
f''(x) = 2 + 6x + 12x^2 + 20x^3
f'''(x) = 6 + 24x + 60x^2
Then, we evaluate these derivatives at x = 0:
f(0) = 1
f'(0) = 1
f''(0) = 2
f'''(0) = 6
Using these values, we can write the Taylor polynomial of f at x = 0 with degree 3 as:
T3(x) = f(0) + f'(0)x + f''(0)x^2/2 + f'''(0)x^3/6
= 1 + x + x^2 + x^3/3
ii) To find R3(x), we use the remainder formula for Taylor polynomials:
R3(x) = f(x) - T3(x)
Substituting f(x) and T3(x) into this formula and simplifying, we get:
R3(x) = x^4/4 + x^5/5
iii) To find the maximum value of f(4)(x) on the interval |x| ≤ 0.1, we first calculate the fourth derivative of f(x):
f(x) = 1 + x + x^2 + x^3 + x^4 + x^5
f''''(x) = 24 + 120x
Then, we evaluate this derivative at x = ±0.1 and take the absolute value to find the maximum value:
|f(4)(±0.1)| = |24 + 12| = 36
Since 36 is the maximum value of f(4)(x) on the interval |x| ≤ 0.1, we know that the upper bound for the remainder formula is 625/24.
iv) Taylor's inequality states that the absolute value of the remainder Rn(x) for a Taylor polynomial of degree n at a point x is bounded by a constant multiple of the (n+1)th derivative of f evaluated at some point c between 0 and x. Specifically, we have:
|Rn(x)| ≤ M|x-c|^(n+1)/(n+1)!
where M is an upper bound for the (n+1)th derivative of f on the interval containing x.
In this case, we have n = 3, x = 0.1, and c = 0. The (n+1)th derivative of f is f(4)(x) = 24 + 120x.
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You have a 35-mile commute into work. Since you leave very early, the trip going to work is easier than the trip home. You can travel to work in the same time that it takes for you to make it 28 miles on the trip back home. Your average speed coming home is 10 miles per hour slower than your average speed going to work. What is your average speed going to work?
Average speed going to work is 50 mph.
What is average speed to work?Let's assume that the average speed going to work is "x" miles per hour.
Since you can travel to work in the same time it takes for you to make it 28 miles on the trip back home, we can set up an equation using the formula:
time = distance / speed
The time it takes to travel 35 miles to work is:
time to work = 35 / x
The time it takes to travel 28 miles on the return trip is:
time to return = 28 / (x - 10)
We know that both times are equal, so we can set them equal to each other and solve for "x":
[tex]35 / x = 28 / (x - 10)[/tex]
Multiplying both sides by x(x - 10), we get:
[tex]35(x - 10) = 28x[/tex]
Expanding the left side and simplifying, we get:
[tex]35x - 350 = 28x[/tex]
[tex]7x = 35[/tex]
[tex]x = 50[/tex]
Therefore, your average speed going to work is 50 miles per hour.
To solve this problem, we used the formula for speed, distance, and time. We t up an equation using the fact that the time it takes to travel to work is equal to the time it takes to travel 28 miles on the return trip. We then solved for the average speed going to work by setting the two times equal to each other and solving for "x". Finally, we found that the average speed going to work is 50 miles per hour.
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Find the curve in the xy plane that passes through the point (9,8) and whose slope at each point is 6 sqrt x
The equation of curve passing through the point (9,8) with slope [tex]6\sqrt{x}[/tex] is [tex]y = 4\times x^{(3/2)} -100[/tex] .
Slope of curve is given by [tex]6\sqrt{x}[/tex] and curve is passing through point (9,8) .
A curve can be represented in a graph using the standard form of equations. Equation will represent the slope of curve and point through which the curve is passing.
Equation of curve :
Differentiate the slope equation,
dy/dx = [tex]6\sqrt{x}[/tex]
dy = [tex]6\sqrt{x}[/tex] dx
Integrating both sides,
Integration rule : [tex]\int\ {x^n} \, dx = x^{n+1}/n+1 + c[/tex]
[tex]y = 6 \times (x^{3/2})/(3/2) +c[/tex]
[tex]y = 4 x^{(3/2)} + c[/tex]
Now substitute (9,8) in the equation of y,
[tex]8 = 4\times (9)^{3/2} + c[/tex]
[tex]c = -100[/tex]
Substitute the value to get the equation of curve,
The equation of curve is [tex]y = 4\times x^{(3/2)} -100[/tex] .
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1.
(03. 01 MC)
Part A: Find the LCM of 8 and 9. Show your work. (3 points)
Part B: Find the GCF of 35 and 63. Show your work. (3 points)
Part C: Using the GCF you found in Part B, rewrite 35 + 63 as two factors. One factor is the GCF and the other is the sum of two numbers that do not have a common factor. Show your work. (4 points)
The LCM of 8 and 9 is 72. The GCF of 35 and 63 is 7.35 + 63 can also be written as 7 X 14.
Part A
Here we have been given 2 numbers 8 and 9. We need to find the LCM. LCM is the Lowest Common Multiple. It is the smallest number which can be divided by all the mentioned number. To take the LCM of 8 and 9 we first will factorize them
8 = 2 X 2 X 2
9 = 3 X 3
Here we see that 8 and 9 do not have any common factor. Hence we need to simply multiply them together to get
8 X 9 = 72
Part B.
We need to find GCF of 35 and 63. GCF or the Greatest common factor is the highest number that can divide all the given numbers. Here too we will first factorize 35 and 63.
35 = 5 X 7
63 = 3 X 3 X 7
Here we see that between the numbers, 7 is the only common factor
Hence, 7 is the GCF.
63 can also be written as 63 = 7 X 9
Hence we can write 35 + 3
= (7 X 5) + (7 X 9)
Taking 7 common we get
7(5 + 9)
= 7 X 14
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Valerie is going to purchase a new car. the car she wants has a list price of $32,495. valerie is planning to make a down payment of $1,877. furthermore, she plans to trade in her current car, which is a 2006 hyundai sonata in good condition. she will finance the rest of the cost by making monthly payments over five years. she can finance the cost at a rate of 8.64%, compounded monthly. she will also have to pay 8.23% sales tax, a $2,243 vehicle registration fee, and a $314 documentation fee. if the dealer gives valerie 87.5% of the trade-in price on her car, listed below, approximately how much will valerie pay in total for her new car? (round all dollar values to the nearest cent, and consider the trade-in to be a reduction in the amount paid.) hyundai cars in good condition model/year 2004 2005 2006 2007 sonata $6,145 $6,520 $6,784 $7,066 tiburon $6,880 $7,144 $7,382 $7,785 elantra $4,211 $4,425 $4,598 $4,880 accent $5,676 $5,828 $6,005 $6,317 a. $37,385 b. $38,821 c. $38,287 d. $36,944
The approximate total amount Valerie will pay for her new car is $38,287.
How much will Valerie pay in total for her new car?
To calculate how much Valerie will pay in total for her new car, we need to consider several factors.
First, let's determine the trade-in value of her 2006 Hyundai Sonata. Since the car is in good condition, Valerie will receive 87.5% of the listed trade-in price for that year, which is $6,784. Therefore, the trade-in value is approximately $5,938.80 ($6,784 * 0.875).
Now, let's calculate the total cost of the new car. The list price is $32,495, and Valerie plans to make a down payment of $1,877. Thus, the remaining amount to be financed is $32,495 - $1,877 - $5,938.80 = $24,679.20.
Next, let's consider the interest on the financing. The interest rate is 8.64% per year, compounded monthly. Over five years, this amounts to 60 monthly payments. Using an amortization formula, we can determine that the monthly payment is approximately $516.27.
Additionally, Valerie will have to pay sales tax, vehicle registration fee, and documentation fee. The sales tax is 8.23% of the total cost, which is ($24,679.20 + $2,243) * 0.0823 = $2,329.48. The vehicle registration fee is $2,243, and the documentation fee is $314. The total additional fees amount to $2,329.48 + $2,243 + $314 = $4,886.48.
Finally, to calculate the total amount Valerie will pay, we add the down payment, monthly payments, trade-in value reduction, and additional fees: $1,877 + (60 * $516.27) + $5,938.80 + $4,886.48 = $38,285.88.
Rounding to the nearest cent, Valerie will pay approximately $38,286 for her new car. Thus, the correct answer is option c: $38,287.
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Regina writes the expression y + 9 x 3/4. Which expression is equivalent to the one Regina writes?
The expression that is equivalent to the one Regina wrote is y + 27/4
Which expression is equivalent to the one Regina wrote?From the question, we have the following parameters that can be used in our computation:
y + 9 x 3/4
This means that
Expression = y + 9 x 3/4
Expanding the above expression, we have
Expanded expression = y + 27/4
Using the above as a guide, we have the following:
The expression that is equivalent to the one Regina wrote is y + 27/4
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Considera el descuento indicado en cada tabla y calcula los diferentes porcentajes de descuento del mismo articulo
The 5% discount is 8.10, Namas divide 42 between the percentage follow me and give me crown.
A discount is a reduction in the price of a product or service offered to customers. It is a common marketing strategy used by businesses to attract customers and increase sales. Discounts can be offered in various forms, such as percentage off, dollar off, or buy-one-get-one-free deals.
Discounts are often used to clear out old inventory, promote new products or services, and to reward customer loyalty. They can be temporary or ongoing, and the amount of the discount can vary depending on the product, service, or promotion. Customers benefit from discounts as they can purchase products or services at a lower price, saving them money. Businesses benefit from discounts as they can increase sales volume, clear out inventory, and attract new customers.
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Complete Question:-
Consider the discount indicated in each table and calculate the different discount percentages for the same item.
how could you use a number line to determine the number that is 7 more than -9? What is the number?
Answer:
Step-by-step explanation:
To use a number line to find the number that is 7 more than -9, we start by finding -9 on the number line. Then, we move 7 units to the right (because we want to find a number that is 7 more), staying on the number line.
Starting from -9 on a number line, we can count 7 units to the right, which brings us to:
-9 + 7 = -2
Therefore, the number that is 7 more than -9 is -2.
"Bacteria in a culture can live for an average of two hours with a standard deviation of 15
minutes. How long can we expect at least 75% of the bacteria to live?"
75% of the bacteria to live for approximately 130.11 minutes
To answer your question, we'll be using the concept of standard deviation and the normal distribution.
Given that the average lifespan of bacteria in a culture is 2 hours (120 minutes) with a standard deviation of 15 minutes, we can expect at least 75% of the bacteria to live for a certain amount of time. Using the normal distribution, we can determine the corresponding z-score for the 75th percentile, which is approximately 0.674.
Now, we can apply the z-score formula:
z = (X - mean) / standard deviation
Rearrange the formula to solve for X (the time at which 75% of the bacteria will live):
X = mean + (z * standard deviation)
Plugging in the given values:
X = 120 + (0.674 * 15) ≈ 130.11 minutes
So, we can expect at least 75% of the bacteria to live for approximately 130.11 minutes.
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A segment with endpoints A (4, 2) and C (1,5) is partitioned by a point B such that AB and BC form a 1:3 ratio. Find B.
O (1, 2. 5)
O (2. 5, 3. 5)
O (3. 25, 2. 75)
O (3. 75, 4. 5)
The answer is (3.25, 2.75)
To find point B, we can use the fact that AB and BC form a 1:3 ratio. Let's start by finding the coordinates of point B.
First, we need to find the distance between A and C. We can use the distance formula for this:
[tex]d = \sqrt{ ((x2 - x1)^2 + (y2 - y1)^2)[/tex]
where [tex](x1, y1) = (4, 2)[/tex] and [tex](x2, y2) = (1, 5)[/tex]
[tex]d = \sqrt{((1 - 4)^2 + (5 - 2)^2)} = \sqrt{(9 + 9)} = \sqrt{(18)}[/tex]
Next, we need to find the distance between A and B, which we'll call x, and the distance between B and C, which we'll call 3x (since AB and BC are in a 1:3 ratio).
Using the distance formula for AB:
[tex]x = \sqrt{\\((x2 - x1)^2 + (y2 - y1)^2)[/tex]
where [tex](x1, y1) = (4, 2)[/tex] and [tex](x2, y2) = (Bx, By)[/tex]
[tex]x = \sqrt{((Bx - 4)^2 + (By - 2)^2)[/tex]
Using the distance formula for BC:
[tex]3x = \sqrt{((x2 - x1)^2 + (y2 - y1)^2)[/tex]
where [tex](x1, y1) = (1, 5)[/tex] and [tex](x2, y2) = (Bx, By)[/tex]
[tex]3x = \sqrt{((Bx - 1)^2 + (By - 5)^2)[/tex]
Now we can set up an equation using the fact that AB and BC are in a 1:3 ratio:
[tex]x / 3x = 1 / 4[/tex]
Simplifying this equation, we get:
[tex]4x = 3(AB)[/tex]
[tex]4x = 3\sqrt{((Bx - 4)^2 + (By - 2)^2)[/tex]
And
[tex]9x = \sqrt{((Bx - 1)^2 + (By - 5)^2)[/tex]
Now we have two equations and two unknowns (Bx and By). We can solve for Bx in the first equation and substitute into the second equation:
[tex]Bx = (3\sqrt{((Bx - 4)^2 + (By - 2)^2))} / 4[/tex]
[tex]9x = \sqrt{((Bx - 1)^2 + (By - 5)^2)[/tex]
[tex]81((Bx - 4)^2 + (By - 2)^2) / 16 = (Bx - 1)^2 + (By - 5)^2[/tex]
Expanding the squares and simplifying, we get:
[tex]81Bx^2 - 648Bx + 1245 = 16Bx^2 - 32Bx + 266[/tex]
[tex]65Bx^2 - 616Bx + 979 = 0[/tex]
Using the quadratic formula, we get:
[tex]Bx = (616 ± \sqrt{(616^2 - 4(65)(979)))} / (2(65))[/tex]
[tex]Bx = (616 ± \sqrt{(223456))} / 130[/tex]
[tex]Bx = 3.25[/tex] or [tex]Bx = 10.2[/tex]
We can eliminate the solution Bx ≈ 10.2 because it is outside the segment AC. Therefore, the solution is:
B = (3.25, 2.75)
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If john buys 8 jackets at x dollars a piece and 2 movie tickets at $11 a piece, whats the most he can spend on each jackets if his total budget is $200
Answer:
22.25
Step-by-step explanation:
8x+ (11*2)=200
first, multiply 11 and 2 =22
that leaves 8x+22=200
so now let's subtract the 22 from both sides
8x=178 now divide the 8
x= 22.25 so that is the most the jackets could have cost
Suppose that you buy an exercise ball with diameter of 85 cm and your brother buys an exercise ball with diameter of 65 cm. What is the difference between the volume and surface area of both balls? Justify your answer and round to the nearest hundredth
The difference between the volume and surface area of both balls is: 108101.69 cubic centimeters.
The formula for the volume of a sphere is V = (4/3)π[tex]r^3[/tex], where r is the radius of the sphere, and the formula for the surface area of a sphere is A = 4π[tex]r^2[/tex].
Let's start by finding the radius of each ball. The diameter of the first ball is 85 cm, so its radius is 85/2 = 42.5 cm. The diameter of the second ball is 65 cm, so its radius is 65/2 = 32.5 cm.
The volume of the first ball is:
V1 = (4/3)π[tex](42.5)^3[/tex] = 256905.53 cubic centimeters
The volume of the second ball is:
V2 = (4/3)π[tex](32.5)^3[/tex] = 139379.44 cubic centimeters
The difference in volume is:
V1 - V2 = 256905.53 - 139379.44 = 117526.09 cubic centimeters
To find the difference in surface area, we plug in the radius values:
A1 = 4π[tex](42.5)^2[/tex] = 22698.16 square centimeters
A2 = 4π[tex](32.5)^2[/tex] = 13273.76 square centimeters
The difference in surface area is:
A1 - A2 = 22698.16 - 13273.76 = 9424.40 square centimeters
Therefore, the difference between the volume and surface area of both balls is: 117526.09 cubic centimeters - 9424.40 square centimeters, rounded to the nearest hundredth, is 108101.69 cubic centimeters.
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A Texas House representative proposed placing solar panels on all public schools to increase green energy and reduce energy costs for districts. Suppose a manufacturer’s panels will be purchased only if real world results of the proposed panels show that more than 18% of the panels produce an efficiency rating greater than 20%. Of a random selection of 140 panels, 32 of the panels result in an efficiency rating greater than 20%. Is there sufficient evidence at the 5% significance level to purchase the proposed panels?
By null hypothesis there is sufficient evidence at the 5% significance level to purchase the proposed panels.
To determine if there is sufficient evidence to purchase the proposed panels, we can perform a hypothesis test. Let's define the following:
- p: the proportion of all panels that produce an efficiency rating greater than 20%
- p0: the proportion specified in the proposal, which is p0 = 0.18
- n: the sample size, which is n = 140
- x: the number of panels in the sample that produce an efficiency rating greater than 20%, which is x = 32
We want to test the null hypothesis H0: p <= p0 against the alternative hypothesis Ha: p > p0. The significance level is alpha = 0.05.
We can use the normal approximation to the binomial distribution since both np0 and n(1-p0) are greater than 10, where np0 is the expected number of panels that produce an efficiency rating greater than 20% under the null hypothesis.
Under the null hypothesis, the test statistic z is approximately:
z = (x - np0) / sqrt(np0(1-p0))
Plugging in the values, we get:
z = (32 - 140*0.18) / sqrt(140*0.18*0.82) ≈ 1.96
The critical value of z at alpha = 0.05 with a one-tailed test is 1.645. Since our calculated z value is greater than the critical value, we reject the null hypothesis.
Therefore, there is sufficient evidence at the 5% significance level to purchase the proposed panels.
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Construct the class boundaries for the following frequency distribution table. also construct less than cumulative and greater than cumulative frequency tables.
ages:- 1 - 3, 4-6, 7-9, 10-12, 13-15
no of children:- 10,12,15,13,9
The class boundaries are 0.5 - 3.5, 3.5 - 6.5, 6.5 - 9.5, 9.5 - 12.5, 12.5 - 15.5.
To find the class boundaries, we need to add and subtract 0.5 from the upper and lower limits of each class interval, respectively.
Using this formula, we get the following class boundaries:
Class Boundaries:
0.5 - 3.5, 3.5 - 6.5, 6.5 - 9.5, 9.5 - 12.5, 12.5 - 15.5
To construct the less than cumulative frequency table, we need to add up the frequencies of all the classes up to each class. For example:
Less than Cumulative Frequency Table:
Ages No. of Children Cumulative Frequency
1-3 10 10
4-6 12 22
7-9 15 37
10-12 13 50
13-15 9 59
To construct the greater than cumulative frequency table, we need to subtract the frequency of each class from the total frequency and then add the resulting values up to obtain the cumulative frequency. For example:
Greater than Cumulative Frequency Table:
Ages No. of Children Cumulative Frequency
13-15 9 59
10-12 13 50
7-9 15 37
4-6 12 22
1-3 10 10
Note that the last value of the greater than cumulative frequency table is always equal to the total frequency, which in this case is 59.
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Ariel is filling a giant beach ball with air. The radius of the beach ball is 30 cm. What is the volume of air that the beach ball will hold? Either enter an exact answer in terms of Pi.
The volume of air that the beach ball will hold is 36000π cubic cm
What is the volume of air that the beach ball will holdFrom the question, we have the following parameters that can be used in our computation:
The radius of the beach ball is 30 cm.
This means that
r = 30
The volume of air that the beach ball will hold is calculated as
V = 4/3πr³
Substitute the known values in the above equation, so, we have the following representation
V = 4/3π * 30³
Evaluate
V = 36000π
Hence, the volume of air that the beach ball will hold is 36000π cubic cm
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Sausage is 1/2 inch thick roll is 6 inches long how many pieces can be cut
If you cut a 6-inch long sausage roll that is 1/2 inch thick, you can make 12 pieces.
How many pieces can a 6-inch sausage roll with 1/2 inch thickness be cut into?To understand how to arrive at this answer, we need to use some basic math.
First, we need to determine the volume of the sausage roll. We can do this by multiplying the length, width, and height of the roll. In this case, the length is 6 inches, the width is 1/2 inch, and the height is also 1/2 inch. So:
Volume = Length x Width x Height
Volume = 6 x 1/2 x 1/2
Volume = 1.5 cubic inches
Next, we need to determine the volume of each individual piece. To do this, we divide the total volume of the sausage roll by the number of pieces we want to make. In this case, we want to make two equal pieces, so we divide the total volume by 2:
Volume per piece = Total volume / Number of pieces
Volume per piece = 1.5 / 2
Volume per piece = 0.75 cubic inches
Finally, we can determine the dimensions of each individual piece by using the volume per piece and the thickness of the sausage roll. We can calculate the length of each piece by dividing the volume per piece by the thickness:
Length per piece = Volume per piece / Thickness
Length per piece = 0.75 / 0.5
Length per piece = 1.5 inches
So each piece will be 1.5 inches long. To determine how many pieces we can make, we divide the total length of the sausage roll by the length of each piece:
Number of pieces = Total length / Length per piece
Number of pieces = 6 / 1.5
Number of pieces = 4
However, since we are cutting the sausage roll in half, we can make 2 sets of 4 pieces, for a total of 8 pieces.
Alternatively, if we want to make only one cut, we can make two 3-inch long pieces from each half, for a total of 12 pieces.
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Problem 68 An outdoor adventure club has 35 members, who are all either rock climbers or skiers. There are 3 more rock climbers than
there are skiers. How many climbers are there?
WHOEVER ANSWERS FIRST GETS BRAINLIEST AND ANSWER FAST FOR WHOEVER GOTS THE HIGHEST BRAILIEST I WILL GIVE THEM THE BRAINLIEST POINT
Answer: 14.5 climbers technically 14 because 1/2 a person is wrong
Step-by-step explanation:
50 POINTS ASAP Use the image to determine the type of transformation shown.
image of polygon ABCD and a second polygon A prime B prime C prime D prime above it
180° clockwise rotation
Horizontal translation
Reflection across the x-axis
Vertical translation
Since polygon A prime B prime C prime D prime above is above the image of polygon ABCD, the type of transformation shown is: D. vertical translation.
What is a transformation?In Mathematics and Geometry, a transformation can be defined as the movement of a point from its initial position to a new location. This ultimately implies that, when a function or object is transformed, all of its points would also be transformed.
In Mathematics and Geometry, a horizontal translation to the right is modeled by this mathematical equation g(x) = f(x - N) while a vertical translation to the positive y-direction (upward) is modeled by this mathematical equation g(x) = f(x) + N.
Where:
N represents an integer.g(x) and f(x) represent functions.Read more on function and translation here: brainly.com/question/31559256
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Answer:
Vertical translation
Step-by-step explanation:
I am in the middle of taking the quiz and belive this is the correct answer!
Simplify 3y(y^2-3y+2)
Answer:
3y^3-9y^2+6y
Step-by-step explanation:
= 3y^3-9y^2+6y
Correct the error in finding the area of sector XZY when the area of ⊙Z is 255 square feet. Round to the nearest tenth. The area should equal ft2
The error in finding area of the sector is in formula applied the correct value is equal to 81.46 square feet.
Area of the sector with center Z is equal to 255 square feet.
Angle subtended in the center of the circle = 115 degrees
Let us consider 'r' be the radius of the circle.
And 'θ' be the angle subtended at the center of the circle.
Using the formula of a area of a sector we have,
Area of sector = θ/360 × πr²
Error in the calculation was made by applying wrong formula ,
Area of circle = 255 square feet
Center angle 'θ' = 115°
Substitute the value in the formula we have ,
⇒ Area of sector = (115°/360) × 255
⇒ Area of sector = 81.4583 square feet
⇒ Area of sector ≈ 81.46 square feet
From the attached figure the area of sector is 162.32ft².
Therefore, the error in finding area of the sector is in formula the correct answer is 81.46 square feet.
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The above question is incomplete, the complete question is:
Correct the error in finding the area of sector XZY when the area of ⊙Z is 255 square feet. Round to the nearest tenth. The area should equal ft2
Attached figure.
In this problem you will only find the models. But make sure that you show all work to support
your answers. Use function notation in your final answers.
Suppose two types of wire will be used to form the edges of a rectangle. The wire used
for the width costs $2.50 per foot and the wire used for the height costs $4.25 per foot. Express the total cost of building the rectangle out of wire as a function of the with if the
enclosed area must be 500 square feet.
To start, let's call the width of the rectangle "w" and the height "h". We know that the area must be 500 square feet, so we can write an equation:
w*h = 500
We can solve this equation for h:
h = 500/w
Now we can express the total cost of the wire in terms of w. The cost of the wire for the width is $2.50 per foot, so the cost for that side is:
2.5w
The cost of the wire for the height is $4.25 per foot, so the cost for that side is:
4.25h = 4.25(500/w) = 2125/w
So the total cost of the wire is:
C(w) = 2.5w + 2125/w
This is our final answer expressed in function notation.
Let's denote the width of the rectangle as w and the height as h. We are given that the area of the rectangle must be 500 square feet, so we have:
w * h = 500
Now, we need to find the cost function based on the width. The cost of the wire for the width is $2.50 per foot and for the height is $4.25 per foot. Therefore, the total cost (C) can be expressed as:
C(w) = 2.50 * w + 4.25 * h
We need to express the height (h) in terms of the width (w) using the area equation:
h = 500 / w
Now, we can substitute this expression for h in the cost function:
C(w) = 2.50 * w + 4.25 * (500 / w)
This is the cost function for building the rectangle out of wire as a function of its width, given that the enclosed area must be 500 square feet.
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Find the value of the variable.
(ill be needing an explanation along with the answer, ty!)
Thus, the value of the angle x for the given angles of value 100 and 112 is found as 36.
Define about the linear pair:An adjacent pair of additional angles is known as a linear pair. Adjacent refers to being next to one another, and supplemental denotes that the sum of the two angles is 180 degrees. As previously said, neighbouring angles are those that are close to one another.
An angle pair that forms a line is known as a "line-ar pair."
For the given triangle:
Using the triangle's angle sum property:
x + (180 - 100) + (180 - 112) = 180
(the other two angles except x are linear pair with the angles of value 100 and 112)
So,
x + 80 + 180 - 112 = 180
x = 112 - 80
x = 32
Thus, the value of the angle x for the given angles of value 100 and 112 is found as 36.
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Pls help test which point (x,y) satisfies the given system of inequalities?
o a. (-1,-6)
ob. (3,-1)
o c. (-3,-1)
od. (1,-6)
reset
If the system includes the inequality y < 0, then the shaded region would be below the x-axis (in the third and fourth quadrants).
If we plot the system of inequalities on a graph, which quadrant(s) would the solutions lie in?The solutions to a system of linear inequalities can be graphed on a coordinate plane to form a shaded region.
The shaded region would be in the quadrant(s) that satisfies all the inequalities in the system. For example, if the system of inequalities includes the inequality x > 0, then the shaded region would be on the right-hand side of the y-axis (in the first and fourth quadrants).
If the system includes the inequality y < 0, then the shaded region would be below the x-axis (in the third and fourth quadrants).
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Triangle G Y K is shown. Angle G K Y is a right angle. Angle K G Y is 60 degrees and angle G Y K is 30 degrees. The length of G K is 27.
Given right triangle GYK, what is the value of tan(G)?
One-half
StartFraction StartRoot 3 EndRoot Over 2 EndFraction
StartFraction 2 StartRoot 3 EndRoot Over 3 EndFraction
StartRoot 3 EndRoot
The value of tanG is √3
What is trigonometric ratio?Trigonometric Ratios are defined as the values of all the trigonometric functions based on the value of the ratio of sides in a right-angled triangle.
sin(tetha) = opp/hyp
cos(tetha) = adj/hyp
tan(tetha) = opp/adj
The value of KY
Tan 30 = 27/KY
1/√3 = 27/KY
KY = 27√3
Tan G = 27√3/27
tanG = √3
therefore the value of tanG is √3
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In the addition problem shown, each letter represents a different digit. If GOD=605, what number does MOVED represent?
The number does MOVED represent 1110.
How determine what number does MOVED represent?Since GOD=605, we know that D=5. We can now substitute this value of D into the addition problem to get:
GOD+ DOG = MOVED
605+ 506 = 1111
Since M cannot be 0 (otherwise it wouldn't be a 4-digit number), we know that M=1.
We can now subtract 1 from both sides of the equation to get:
604+ 506 = 1110
Now we can see that E+4=10, so E=6. We can also see that O+0=0, so O=0. Finally, we can see that G+D=1, so G=6 and D=5.
Therefore, MOVED = 1110.
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WILL GIVE BRAINLYES, 5 STARS, AND A THANKS
Choose an amount between $50.00 and $60.00 to represent the cost of a meal for a family. Be sure to include dollars and cents.
Part A: If the family has a 15%-off coupon, calculate the new price of the meal. Show all work or explain your steps. (2 points)
Part B: Calculate a 20% tip using the new price. What is the final cost of the meal? Show all work or explain your steps. (2 points)
Answer:
The price of the meal after the discount was (A)$48.11 and the final price of the meal was (B)$57.73.
Step-by-step explanation:
Let us consider the amount of money $56.60 as the cost of the meal.
So the amount of money is 56 dollars and 60 cents.
A: The family has a 15% off coupon.
Discount = 15% of 56.60=0.15x56.60=8.49
Now we subtract the discount amount from the original amount.
Cost of the meal = 56.60-8.49=48.11
So the final price of the meal for the family is $48.11 or 48 dollars and 11 cents.
B: The family gave a tip of 20%.
Amount of money tipped= 20% of 48.11=0.20 x 48.11=9.622
To get the final amount we add the tip to the discounted price.
The final cost of the meal= 48.11+9.622=57.732=57.73
Therefore the family paid a total of 57 dollars and 73 cents for the final cost of the meal after the discount and tip.
Hope this helps :)
the expression x^2-8x+6 can be written in the form (x-p)^2+q
Answer:(x-4)^2-10
Step-by-step explanation:
Will give brainliest for the answer no links
find the lateral surface area of this
cylinder. round to the nearest tenth.
8ft
4ft
[?] ft?
The lateral surface area of a cylinder is given by the formula:
Lateral surface area = 2πrh
where r is the radius of the cylinder and h is the height of the cylinder.
In this case, the height of the cylinder is 8 ft and the radius of the cylinder is 4 ft (half of the diameter). So, we can plug in these values to get:
Lateral surface area = 2π(4 ft)(8 ft)
Lateral surface area = 64π square feet
Rounding to the nearest tenth, we get:
Lateral surface area ≈ 201.1 square feet (rounded to one decimal place)
Therefore, the lateral surface area of the cylinder is approximately 201.1 square feet.
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