Answers
Answer:5
Step-by-step explanation: The median of the lower quartile is 23 and the median of the upper quartile is 28. 28-23=5. The IQR is 5.
Related Questions
The surface of a workbook is 14 inches tall and 10 inches wide. what is its perimeter?
Answers
The perimeter of the workbook is 48 inches when the surface of a workbook is 14 inches tall and 10 inches wide.
Given data:
Height or length = 14 inches
width = 10 inches
The perimeter can be determined by adding up all four side lengths or by adding the length and the width, and then multiplying by two because there are two of each side length.
We need to find the perimeter of the rectangle. we can find it by using the formula,
P = 2L + 2W
where:
L = length
W = width
substuting the W and L values in the equation we get:
P = 2L + 2W
= 2 × (14) + 2 × (10)
= 28 + 20
= 48 inches
Therefore, The perimeter of the workbook is 48 inches.
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The restaurant decides to add another choice for the entrée and another choice for a side on the children’s menu the additional entrée choice is grilled cheese and the additional side choice is mixed vegetables what is the probability that a child with cheese pizza or spaghetti with mixed vegetables for his or her meal?
Answers
The sample space for a child choosing one entrée and one side is A) BA, BF, CA, CF, PA, PF, SA, SF.So, the correct answer is A). Probability of a child choosing pizza or spaghetti with mixed vegetables is 2/15 or 0.1333 (rounded to four decimal places) or approximately 13.33%.
The sample space represents choose of one entrée and one side for his or her meal is BA, BF, CA, CF, PA, PF, SA, SF. So, the correct option is A).
After the addition of grilled cheese as an entrée choice and mixed vegetables as a side choice, there are now five entrée choices (B, C, P, S, G) and three side choices (A, F, MV). The total number of possible meal combinations is 5*3 = 15.
The number of meal combinations where the child chooses pizza or spaghetti with mixed vegetables is 2 (pizza with mixed vegetables and spaghetti with mixed vegetables). Therefore, the probability of choosing spaghetti or pizza with mixed vegetables for her or his meal is
P(pizza or spaghetti with mixed vegetables) = 2/15 = 0.1333 (rounded to four decimal places) or approximately 13.33%.
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--The given question is incomplete, the complete question is given
"At a restaurant, a children's meal gives a choice of four entrées: burger (B), chicken (C), pizza (P), or spaghetti (S), and two sides: apple (A) or fries (F).
Part A
Which sample space represents all the ways a child could choose one entrée and one side for his or her meal?
A) BA, BF, CA, CF, PA, PF, SA, SF
B) BA, CA, PA, SA
C) BF, CF, PF, SF
D) B, C, P, S, A, F
Part B
The restaurant decides to add another choice for the entrée and another choice for the side on the children's menu. The additional entrée choice is grilled cheese and the additional side choice is mixed vegetables. What is the probability that a child will choose pizza or spaghetti with mixed vegetables for his or her meal?"--
420 g of fl our is to be divided into a ratio of 7 : 3 for two different recipes. Find the smaller amount.
Answers
Smallest amount in ratio is 3, so 3/10 • 420 = 126 g
Answer: 126 g
5. Betty will spend $375. 00 on a new lawnmower. She will use her credit card to withdraw $400
cash to pay for the lawnmower. The credit card company charges a $6. 00 cash-withdrawal
fee and 3% interest on the borrowed amount, but not including the cash-withdrawal fee. How
much will Betty owe after one month?
Answers
The amount Betty will owe after one month is $418,
Betty will owe more than $400 after one month because of the cash-withdrawal fee and interest charges. The cash-withdrawal fee is a one-time charge of $6.00, which means Betty's total borrowed amount is $406.00.
The interest on this amount at a rate of 3% for one month is calculated by multiplying the borrowed amount by the interest rate and time, giving $12.18.
Therefore, Betty will owe $418.18 after one month, which is the borrowed amount plus the cash-withdrawal fee and interest charges.
It's important to be aware of the additional fees and charges associated with borrowing on a credit card, as they can significantly increase the amount owed and lead to financial difficulties if not managed properly.
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IN A CLASS OF 100 STUDENTS ,35 LIKE SCIENCE ,45 LIKE MATH , 10 LIKE BOTH. HOW MANY LIKE EITHER OF THEM , HOW MANY LIKE NEITHER OF THEM
Answers
Answer: 5 like either, 5 like neither.
Step-by-step explanation: If we add up those who like science, math and both, we get 90. That leaves 10 students, and because all the other numbers end in 5’s or 0’s, I’d say we split this evenly. So 5 like either, and 5 like neither.
Answer:
Like either science or math but not both: 60
Like neither: 30
Step-by-step explanation:
Total: 100
Like science: 35
Like math: 45
Like both: 10
Subtract 10 from "like science" and 10 from "like math"
Like only science: 25
Like only math: 35
Like both science and math: 10
Total who like math, science, or both: 70
Like either science or math but not both: 25 + 35 = 60
Like neither: 100 - 70 = 30
PLEASE HELP MEEE!!! WILL GIVE BRAINLIEST!!!
Answers
Answer:
75°
Step-by-step explanation:
Arc length LM is 108°, meaning that angle <K is half of the arc length, 54°.
*REMEMBER* all 3 angles inside a triangle must add up to 180° to make it a triangle.
We have angle <L, <K, and we are looking for angle <M.
51+54+?=180
105+?=180
?=75
Angle <M is 75°
Hope this helps :)
In a recent poll six hundred adults were asked a series of questions about the state of the economy and their children's future. One question was, "do you expect your children to have a better life than you have had, a worse life, or a life about the same as yours?" Suppose the responses showed 245 better, 311 worse, and 44 about the same. Use the sign test and ???? = 0. 05 to determine whether there is a difference between the number of adults who feel their children will have a better life compared to a worse life. State the null and alternative hypotheses. (Let p = the proportion of adults who feel their children will have a better life. ) H0: p ≠ 0. 50
Answers
Null Hypothesis (H0): The proportion of adults who feel their children will have a better life is equal to 0.5.
Alternative Hypothesis (HA): The proportion of adults who feel their children will have a better life is not equal to 0.5.
How to explain the hypothesisThe sign test is a non-parametric statistical test used to test the hypothesis that the median of a population is equal to a specified value.
The critical value is 1.96.
The absolute value of the test statistic is greater than 1.96. Therefore, we reject the null hypothesis and conclude that there is a significant difference between the number of adults who feel their children will have a better life compared to a worse life.
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Write a derivative formula for the function.
f(x) = 12.7(4.1^x) / x^2
Answers
The answer is:
[tex]f'(x) = 12.7(4.1^x)(ln(4.1)/x - 2/x^2)[/tex]
What is quotient rule?The derivative of f(x), we can use the quotient rule. Let's define
[tex]u(x) = 12.7(4.1^x)[/tex]. [tex]v(x) = x^2[/tex]Then:
[tex]f(x) = u(x)/v(x) = (12.7(4.1^x))/x^2[/tex][tex]f'(x) = [v(x)u'(x) - u(x)v'(x)]/v(x)^2[/tex][tex]f'(x) = [(x^2)(12.7(4.1^x)ln(4.1)) - (12.7(4.1^x))(2x)]/x^4[/tex]Simplifying this expression gives:
[tex]f'(x) = 12.7(4.1^x)(ln(4.1)/x - 2/x^2)[/tex]To find the derivative of f(x), we used the quotient rule, which states that the derivative of a quotient of two functions is equal to (the denominator times the derivative of the numerator minus the numerator times the derivative of the denominator) divided by the denominator squared.
In our case, we defined u(x) and v(x) as the numerator and denominator, respectively, and used the formula to find the derivative of f(x).The derivative of u(x) is found using the chain rule and the derivative of [tex]4.1^x[/tex], which is [tex]4.1^x[/tex] times the natural logarithm of 4.1.
The derivative of v(x) is simply 2x. We then substitute these values into the quotient rule formula and simplify the resulting expression to get the final derivative formula:
[tex]f'(x) = 12.7(4.1^x)(ln(4.1)/x - 2/x^2)[/tex]This formula tells us the slope of the tangent line to the graph of f(x) at any given point x.
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Wgat is the furmola in finding the surface area of a cude
Answers
The formula for finding the surface area (S) of a cube is S = 6s^2
The surface area of a cube can be found using the formula:
SA = 6s^2
where SA represents the surface area and s represents the length of one side of the cube.
The formula is derived by considering the fact that a cube has six square faces, all of which have the same area since all sides of a cube are congruent. Therefore, to find the surface area of a cube, we simply need to find the area of one of its faces and multiply it by six. Since all faces are squares, the area of one face can be found using the formula for the area of a square:
A = s^2
where A represents the area of the square and s represents the length of one side of the square.
Thus, substituting A = s^2 into the formula for the surface area, we get:
SA = 6A = 6s^2
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3 /12 cups of flour for every 3/4 of a cup of milk. How much flour for 1 cup of milk
Answers
The amount of cup of flour for 1 cup of milk is 1/3 cup
What is proportion?Proportion is an equation in which two ratios are set equal to each other. For example, if there is 1 boy and 4 girls you could write the ratio as: 1 : 4 (for every one boy there are 4 girls).
Another example is if 5 mangoes cost $250, the price of mango will 250 × 1/5 = $50
Similarly, 3/12 cups of flour is for every 3/4 cups of milk
therefore,
1 cup of milk will need 3/12 × 4/3
= 12/36
= 1/3
therefore for 1 cup of milk 1/3 of flour will be needed.
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Y – 84 = -11(x – 6)
What is the point and slope
Answers
So the point is: (6,84)
And the slope is: -11
After finding the area from the dimensions of the first polygon, find the area of the similar polygon after finding the similarity ratio.
Answers
Hi! To find the area of the similar polygon after finding the area of the first polygon and the similarity ratio, follow these steps:
1. Find the dimensions of the first polygon.
2. Calculate the area of the first polygon using the dimensions.
3. Determine the similarity ratio between the first polygon and the similar polygon.
4. Use the similarity ratio to find the corresponding dimensions of the similar polygon.
5. Calculate the area of the similar polygon using the new dimensions.
In your answer: After finding the area from the dimensions of the first polygon, find the area of the similar polygon by determining the similarity ratio and using it to calculate the corresponding dimensions of the similar polygon. Then, calculate the area of the similar polygon using the new dimensions.
To find the area of the similar polygon, you'll need to use the similarity ratio, which compares the corresponding lengths of the sides of two similar figures. Once you have the similarity ratio, you can multiply the area of the first polygon by the ratio squared to get the area of the similar polygon.
Remember, the area of a polygon is found by multiplying the base by the height (or using another appropriate formula depending on the shape of the polygon). So, to summarize, you would first find the area of the first polygon using its dimensions, then use the similarity ratio to find the corresponding sides of the similar polygon, and finally use these sides to find the area of the similar polygon.
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PLEASE HELP
Nathaniel is moving the dresser in his bedroom so it is against a different wall.
The length of the wall is feet and the dresser is feet long.
Which estimation is best for centering the dresser along the wall?
A.
The dresser should be placed about 6 feet from each end of the wall.
B.
The dresser should be placed about 8 feet from each end of the wall.
C.
The dresser should be placed about 10 feet from each end of the wall.
D.
The dresser should be placed about 12 feet from each end of the wall
Answers
To determine the best estimation for centering the dresser along the wall, we need to consider the length of the wall and the length of the dresser. Let's call the length of the wall "W" and the length of the dresser "D".
Since we don't know the actual values of W and D, we'll have to work with the given options.
Option A suggests placing the dresser about 6 feet from each end of the wall. This would leave a space of W - 12 feet in the middle of the wall, which would be the total space available for the dresser to be centered.
Option B suggests placing the dresser about 8 feet from each end of the wall. This would leave a space of W - 16 feet in the middle of the wall, which would be the total space available for the dresser to be centered.
Option C suggests placing the dresser about 10 feet from each end of the wall. This would leave a space of W - 20 feet in the middle of the wall, which would be the total space available for the dresser to be centered.
Option D suggests placing the dresser about 12 feet from each end of the wall. This would leave a space of W - 24 feet in the middle of the wall, which would be the total space available for the dresser to be centered.
To find the best estimation for centering the dresser along the wall, we need to determine which option provides the closest match between the available space in the middle of the wall and the length of the dresser.
Without knowing the actual values of W and D, it's difficult to say for certain which option is best. However, we can make an educated guess by considering the lengths of typical bedroom walls and dressers.
Based on this, option C (placing the dresser about 10 feet from each end of the wall) seems like a reasonable estimation for centering the dresser along the wall. This option provides a space of W - 20 feet in the middle of the wall, which is likely sufficient for most dressers.
Of course, the actual placement of the dresser will depend on other factors as well, such as the layout of the room and the location of other furniture. It's always a good idea to measure carefully and test different arrangements before settling on a final placement for any piece of furniture.
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Tell which measure of central tendency best describes the data.
Weights of books (oz):
12 10 9 15 16 10
Mean
Median
Mode
Answers
Median: the average( 10+12=22/2=11)
Mean: add all of them then divide by however many numbers there are (72/6=12)
Hope this helps!
A meal program accepts online payments by the use of a credit card. for every payment processed, the person is charged a 2% processing fee.
if a person made a payment of $23.50, how much was the fee he or she paid?
Answers
The fee paid by the person for a $23.50 payment with a 2% processing fee is $0.47.
As the meal program accepts online payments by the use of a credit card. for every payment processed and the processing fee for the credit card payment is 2% of the payment amount. To calculate the fee if a person made a payment of $23.50, we can multiply the payment amount by 2% or 0.02.
Fee = 23.50 x 0.02 = $0.47
Therefore, the fee paid by the person for a $23.50 payment is $0.47.
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A 2-column table with 6 rows. the first column is labeled years with entries 1, 2, 3, 4, 5, 6. the second column is labeled value(dollar sign) with entries 5,250; 5,512.50; 5,788.13; 6,077.54; 6,381.42; 6,700.49. the data in the table represents the value of a savings account at the end of each year for 6 years. the relationship between the increasing years and the increasing value of the account is exponential. there is rate of change in an exponential relationship. after each year, the value of the account is times as large as the previous year.
Answers
The value of the account is 1.05 times as large as the previous year
There is a 2-column table with 6 rows representing the value of a savings account at the end of each year for 6 years. The relationship between the years and the value of the account is exponential, and there is a rate of change in this exponential relationship.
To find the rate of change in this exponential relationship, you can follow these steps:
1. Divide the value of the account in the second year by the value of the account in the first year: 5,512.50 / 5,250 = 1.05.
2. Since the relationship is exponential and the rate of change is constant, the account's value will increase by the same factor every year. In this case, the rate of change is 1.05, which means that after each year, the value of the account is 1.05 times as large as the previous year.
In summary, the rate of change in the exponential relationship between the increasing years and the increasing value of the account is 1.05, meaning that after each year, the value of the account is 1.05 times as large as the previous year.
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Pls help! And actually answer please
Answers
The equation of the plotted absolute value function graph is
y = |x - 1| - 1
How to find the equation of the graphThe equation of the graph which is a graph of absolute value function is solved using transformation
The parents equation or original equation is
y = |x|
Then a shift 1 unit to the right direction is gotten by
y = |x - 1|
The second transformation is a downward shift of 1 unit, this results to the equation of the form
y = |x - 1| - 1
The graph is potted and attached
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Triangle abc lies on the plane such that point b is at b(-8,-4). the midpoint of side ac is m with coordinates m(7,5). if a segment from a was drawn to the midpoint of side bc then where would it intersect bm
Answers
If a segment from a was drawn to the midpoint of side AB then where would it intersect BM is AN = 2.5cm and MN = 3.5cm.
A midpoint is a point in the midway of a line connecting two locations. The two reference points are the line's ends, and the midpoint is located between the two. The midway splits the line connecting these two places in half. Furthermore, a line drawn to bisect the line connecting these two points passes through the midpoint.
The midpoint formula is used to locate the midway between two places with known coordinates. If we know the coordinates of the other endpoint and the midpoint, we can apply the midpoint formula to obtain the coordinates of the endpoint.
ΔAMN = ΔABC (Corresponding angles)
ΔANM = ΔACB (Corresponding angles)
ΔAMN ≈ ΔABC (By AA similarity test)
[tex]\frac{AM}{AB} =\frac{AN}{AC} =\frac{MN}{BC}[/tex] (CPST)
Since, M is mid-point of AB,
AM = 1/2AB, or, AM/AB = 1/2
AM/AB = AN/AC = 1/2.
AN/AC = 1/2
AN/5 =1/2 [AC = 5cm]
MN/7 =1/2 [BC = 7cm]
MN = 7/2 = 3.5
AN = 2.5cm and MN = 3.5cm.
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I need help with these questions pls
Answers
Volumes of the cylinder are given by:
(A) (1) Volume = 2486.88 cubic in.
(2) Volume = 108518.4 cubic ft.
(3) Volume = 47608.68 cubic yd.
(B) (4) Volume = 508.68 cubic ft.
(5) Volume = 8490.56 cubic yd.
(6) Volume = 43407.36 cubic in.
(7) Volume = 9420 cubic ft.
(8) Volume of cylindrical flower vase = 1105.28 cubic in.
Surface Area of the Cylinder are given by:
(1) Surface Area = 113.04 square in.
(2) Surface Area = 1444.4 square ft.
(3) Surface Area = 678.24 square yd.
(4) Surface Area = 1130.4 square yd.
(5) Surface Area = 602.88 square in.
(6) Surface Area = 1055.04 square ft.
(7) Surface Area = 1570 square ft.
(8) Surface Area = 791.28 square yd.
(9) Surface Area = 326.56 square in.
We know that the volume of a cylinder with radius 'r' and height 'h' is given by,
V = 2πr²h
(A) (1) From the figure, radius = 6 in and height = 11 in.
So the volume = 2π(6)²*11 = 2486.88 cubic in.
(2) Radius = 24 ft. and height = 30 ft.
Hence, the volume of cylinder = 2π(24)²*30 = 108518.4 cubic ft.
(3) Radius = 19 yd. and height = 21 yd.
Hence, the volume of cylinder = 2π(19)²*21 = 47608.68 cubic yd.
(B) (4) Radius = 3 ft. and height = 9 ft.
Hence, the volume of cylinder = 2π(3)²*9 = 508.68 cubic ft.
(5) Radius = 13 yd. and height = 8 yd.
Hence, the volume of cylinder = 2π(13)²*8 = 8490.56 cubic yd.
(6) Radius = 16 in. and height = 27 in.
Hence, the volume of cylinder = 2π(16)²*27 = 43407.36 cubic in.
(7) Radius = 10 ft. and height = 15 ft.
Hence, the volume of cylinder = 2π(10)²*15 = 9420 cubic ft.
(8) Cylindrical flower vase is 11 inch tall and radius of vase is 4 inches.
The volume of flower vase = 2π(4)²*11 = 1105.28 cubic in.
Now we know that the surface area of a Cylinder with radius 'r' and height 'h' is given by,
S = 2πrh + 2πr²
(1) Radius = 2 in. and Height = 7 in.
Hence the surface area = 2π*2*7 + 2π(2)² = 113.04 square in.
(2) Radius = 10 ft. and Height = 13 ft.
Hence the surface area = 2π*10*13 + 2π(10)² = 1444.4 square ft.
(3) Radius = 6 yd. and Height = 12 yd.
Hence the surface area = 2π*6*12 + 2π(6)² = 678.24 square yd.
(4) Radius = 9 yd. and Height = 11 yd.
Hence the surface area = 2π*9*11 + 2π*9² = 1130.4 square yd.
(5) Radius = 6 in. and Height = 10 in.
Hence the surface area = 2π*6*10 + 2π(6)² = 602.88 square in.
(6) Radius = 8 ft. and Height = 13 ft.
Hence the surface area = 2π*8*13 + 2π(8)² = 1055.04 square ft.
(7) Radius = 10 ft. and Height = 15 ft.
Hence the surface area = 2π*10*15 + 2π(10)² = 1570 square ft.
(8) Radius = 6 yd. and Height = 15 yd.
Hence the surface area = 2π*6*15 + 2π(6)² = 791.28 square yd.
(9) Radius = 4 in. and Height = 9 in.
Hence the surface area = 2π*4*9 + 2π(4)² = 326.56 square in.
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Eric throws a biased coin 10 times. He gets 3 Tails. Sue throws the same coin 50 times. She gets 20 Tails. Aadi is going to throw the coin once. (i) Which one of the following statements is correct about the probability of Aadi getting Tails? (1) A Sue's estimate is best because she throws it 50 times. B Sue's estimate is best because she gets more Tails. C Sue's estimate is best because she throws it more times than Eric (ii) Use Eric's and Sue's results to work out an estimate for the probability that Aadi will get Tails. Write your fraction in the form a/b (1)
Answers
(i) The correct statement about the probability of Aadi getting Tails is B - Sue's estimate is best because she gets more Tails. The number of times a coin is flipped affects the accuracy of the probability estimate, but getting more Tails in fewer trials does not necessarily mean that the probability of getting Tails is higher.
(ii) Eric got 3 Tails in 10 trials, so the proportion of Tails is 3/10. Sue got 20 Tails in 50 trials, so the proportion of Tails is 20/50 or 2/5. We can use the average of these two proportions as an estimate for the probability that Aadi will get Tails.
(3/10 + 2/5) / 2 = 0.35
So the estimated probability of Aadi getting Tails is 0.35 or 7/20 in fraction form.
Reema bought pencils for school in August. She gave
now had 3 pencils left.
。 of them to her friends. She used
of what she had left the first month of school. She
How many pencils did she buy in August?
O A 48
O B. 36
O c. 24
OD. 12
O E. 6
Answers
By simplification Reema bought 5 boxes of pencils, which is a total of 60 pencils, in August.
Let x be the number of pencils Reema bought in August. According to the problem, she gave away 1/4 of the pencils, which means she kept 3/4 of the pencils. Then, she used 2/3 of what she had left, which means she used:
(2/3)(3/4)x = (1/2)x
So, if she used half of what she had left, she must have started with twice as many pencils. Therefore:
2x = total number of pencils she started with
And we know that she ended up with 3 pencils left, so:
2x - (1/4)(2x) - (1/2)x = 3
Simplifying this equation, we get:
(7/4)x = 3 + (1/2)x
Multiplying both sides by 4/7, we get:
x = (12/7)(3) = 36/7
Since Reema cannot buy a fractional number of pencils, we need to round up to the nearest whole number. Therefore, Reema bought 5 boxes of pencils, or a total of 60 pencils, in August.
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if a slope is when xincome in thousands of dollars, then what is the slope when income in dollars? (hint: a one-dollar change has only 1/1000 of the impact of a one-thousand-dollar change.)
Answers
If the slope is defined as the change in the dependent variable (y) divided by the change in the independent variable (x), then the slope would depend on how the dependent variable and independent variable are measured.
Assuming that the dependent variable y is some form of economic outcome (e.g., consumption, savings, investment) and the independent variable x is income, then the slope of the relationship would depend on the units in which income is measured.
If income is measured in thousands of dollars, then a one-unit change in income would correspond to a $1,000 change. Therefore, the slope would reflect the change in the economic outcome associated with a $1,000 change in income.
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You have $20 to spend. You go to the store and buy a bouncy ball for an unknown amount of money and then you buy a glider airplane for $3. If you have $15 left over, how much did you spend on the bouncy ball?
Answers
Answer: Let's start by subtracting the cost of the glider airplane from the total amount of money you started with:
$20 - $3 = $17
We know that you spent $15 of that $17 on the bouncy ball, since you had $15 left over after buying both items:
$17 - $15 = $2
Therefore, you spent $2 on the bouncy ball.
Answer: $2.
Step-by-step explanation:
The table shows the number of turkey and ham sandwiches sold by Derby’s Deli for several days in one week Sandwiches Sold at Derby’s Deli Day Turkey Ham Monday 7 9 Tuesday 13 11 Wednesday 8 8 Thursday 15 6 Friday 12 16 What is the difference between the median number of turkey sandwiches sold and the median number of ham sandwiches sold?
Answers
The difference between the median number of turkey sandwiches sold and the median number of ham sandwiches sold is 3.
First, let's find the median number of turkey and ham sandwiches sold.
To find the median:
1. Arrange the data in ascending order.
2. If there's an odd number of data points, the median is the middle value. If there's an even number of data points, the median is the average of the two middle values.
Turkey sandwiches sold: 7, 8, 12, 13, 15
Ham sandwiches sold: 6, 8, 9, 11, 16
Now let's find the medians:
Turkey median: There are 5 data points, which is odd, so the median is the middle value, 12.
Ham median: There are 5 data points, which is odd, so the median is the middle value, 9.
Finally, let's find the difference between the medians:
Difference = Turkey median - Ham median
Difference = 12 - 9
Difference = 3
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Can somebody check if 8 and 9 are correct?
Answers
Answer:
Yes, they are totally correct, I've checked with a calculator
a small plane leaves an airport and flies north at 240 mi/hr. a jet leaves the airport 30 minutes later and follows the small plane at 360 mi/hr. how long does it take the jet to overtake the small place?
Answers
According to the distance, it will take the jet 1 hour to overtake the small plane.
Let's first calculate the distance traveled by the small plane in the time it takes for the jet to overtake it. Since the small plane is flying for an extra 30 minutes, its travel time is "t + 0.5" hours. Therefore, the distance traveled by the small plane is:
Distance of small plane = Speed of small plane x Time of small plane
Distance of small plane = 240 x (t + 0.5)
Now, let's calculate the distance traveled by the jet in "t" hours:
Distance of jet = Speed of jet x Time of jet
Distance of jet = 360 x t
Since both planes are at the same point at the time of overtaking, we can set the distances traveled by both planes equal to each other:
240 x (t + 0.5) = 360 x t
We can solve for "t" using algebra:
240t + 120 = 360t
120 = 120t
t = 1
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Hello im new to brainly and i needed some help becuase i dont understand the question.
Answers
The number of customers surveyed were 15 customers.
The greatest number of items purchased by a customer was 11 items.
The customers purchased 9 items is 2 customers.
The customers purchased at least 5 items was 7 customers.
The median number of items purchased was 3.
How to interpret the line plots?How many customers were surveyed?
1 (0 items) + 1 (1 item) + 2 (2 items) + 4 (3 items) + 0 (4 items) + 2 (5 items) + 0 (6 items) + 2 (7 items) + 0 (8 items) + 2 (9 items) + 0 (10 items) + 1 (11 items) = 15 customers
The greatest number of items purchased by a customer is 11 items. 2 customers purchased 9 items.
How many customers purchased at least 5 items?
2 (5 items) + 0 (6 items) + 2 (7 items) + 0 (8 items) + 2 (9 items) + 0 (10 items) + 1 (11 items) = 7 customers
To find the median, we need to find the middle value of the data. Since there are 15 customers, the median will be the 8th value when the data is ordered.
0, 1, 2, 2, 3, 3, 3, 3, 5, 5, 7, 7, 9, 9, 11
The median number of items purchased is 3.
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1. This table représents Ana's check register. Her checking account had a balance of
$1,093. 12 on October 8.
Use the information in the check register to determine the balance of Ana's checking
account after the transaction on October 22.
Ana's Check Register
Date
Description
Deposit
Withdrawal
Balance
10/8
$1,093. 12
10/15
Rent
$525. 50
10/22
Paycheck
$645. 87
Answers
The balance of Ana's checking account after the transaction on October 22 is $1,213.49.
To determine the balance of Ana's checking account after the transaction on October 22, we'll follow these steps:
1. Start with the initial balance on October 8: $1,093.12
2. Subtract the withdrawal for rent on October 15: $1,093.12 - $525.50 = $567.62
3. Add the deposit from the paycheck on October 22: $567.62 + $645.87 = $1,213.49
The balance of Ana's checking account after the transaction on October 22 is $1,213.49.
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The housing market has been very intense since 2020 when the pandemic began. People in Southern California as well as across the USA wanted to buy homes away from cities with a prefence towards the suburbs and rural areas. Southern California homes experienced a 12. 6 % year over year increase in price gains since 2020 and this is still going on. Inventory is too low, that is the supply of homes is low. Home builders aren't able to build fast enough to keep up with demand, or won't. A: If a modest 2 bedroom 2 bathroom house in Santa Barbara county used to cost $567,000 in 2020, give the exponential formula that models the price of this house over time, assuming the percent appreciation sustains currently and into the future. Let P(t) be the "asking price" of the house. Let "r" be the rate of the appreciation value. Let t be time in years. Use decimals only. B: What would be the price of such a house in 2022? ( Round your answer to two places after the decimal, also known as the hundredths place).
Answers
A: P(t) [tex]= $567,000 * (1 + 0.126)^t[/tex]
B: [tex]567,000 * (1 + 0.126)^2 = $671,448.14[/tex]
How can we calculate the price of a 2 bedroom 2 bathroom house in Santa Barbara county in 2022, assuming the current rate of appreciation continues?A: To model the price of the house over time, we can use the exponential formula: P(t) = P₀ * (1 + r)^t, where P₀ is the initial price, r is the rate of appreciation, and t is the time in years.
In this case, the initial price (P₀) of the house is $567,000 and the rate of appreciation (r) is 12.6% expressed as a decimal, which is 0.126. Therefore, the exponential formula to model the price of the house over time would be: P(t) = 567,000 * (1 + 0.126)^t.
B: To find the price of the house in 2022, we substitute t = 2022 - 2020 = 2 into the exponential formula.
P(2) = 567,000 * (1 + 0.126)^2
P(2) = 567,000 * (1.126)^2
P(2) ≈ 567,000 * 1.268
P(2) ≈ $719,976.00
Therefore, the price of such a house in 2022 would be approximately $719,976.00
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Use the first three non-zero terms of a Maclaurin series to estimate the integral from 0 to 1 of the cosine of x squared, dx.
0. 905
0. 904
0. 806
1. 16
Answers
Using the first three non-zero terms of a Maclaurin series, the estimated value of the integral from 0 to 1 of the cosine of x squared, dx is 0.905
To estimate the integral from 0 to 1 of the cosine of x squared, dx using the first three non-zero terms of a Maclaurin series, we first need to find the Maclaurin series for cosine of x squared:
cos(x^2) = 1 - x^4/2! + x^8/4! - x^12/6! + ...
The first three non-zero terms are 1, -x^4/2!, and x^8/4!.
Now we can use these terms to estimate the integral from 0 to 1:
∫₀¹ cos(x²) dx ≈ ∫₀¹ [1 - x^4/2! + x^8/4!] dx
Integrating term by term, we get:
∫₀¹ [1 - x^4/2! + x^8/4!] dx ≈ [x - x^5/5! + x^9/9!] from 0 to 1
Plugging in 1 and 0, respectively, and simplifying, we get:
[x - x^5/5! + x^9/9!] evaluated at x=1 - [x - x^5/5! + x^9/9!] evaluated at x=0
= [1 - 1/120 + 1/6561] - [0 - 0 + 0]
≈ 0.905
Therefore, the estimated value of the integral from 0 to 1 of the cosine of x squared, dx using the first three non-zero terms of a Maclaurin series is 0.905.
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