Answer:
Step-by-step explanation:
3c + 5w = 16
6c + 2w = 22
-6c - 10w = -32
6c + 2w = 22
-8w = -10
w = 10/8 = 5/4 = $1.25 per lb
3c + 5(1.25) = 16
3c + 6.25 = 16
3c = 9.75
c = $3.25 per lb
two similar bags contain the same number of red and blue balls
Sammy takes the first bag and he replaces 5 blue balls by 5 red balls. now the number of Red Balls is twice the number of blue balls
Rami holds the second bag and he takes 3 red balls from it now the number of the blue balls is twice the number of the red balls
designate by x the number of Red Ball and y the numbers of Blue Balls
(x and y are positive integers)
the system that models the text given above is:
a. x-2y=5
2x-y=6
b. x-2y=-15
2x-y=6
c. x-2y=-15
2x-y=-3
Select the equation that most accurately depicts the word problem.
5 pounds of potatoes at n dollars per pound costs $4.85.
Answer:
$4.85n = $24.52 where n = 5
If this doesnt match any of the equations, see if you can add the answer choices to your question
Q10 A student wants to raise £100 for charity.
He will sell hot dogs at a disco.
The Supermarket
He will make 150 hot dogs.
Hot dog sausages tin of 8 50p
Hot dog buns packet of 6 90p
He buys ingredients at The Supermarket
If he sells all the hot dogs, what is the minimum price he must charge to make a profit of £100?
Show all your working
Answer:
He must charge minimum £0.84 for one hot dog.
Step-by-step explanation:
Ingredients cost for hot dogs at the supermarket,
Price of dog sausages tin of 8 = 50p ≈ £0.5
Price of dog bun packs of 6 = 90p ≈ £0.90
Number of tins required for 150 hot dogs = [tex]\frac{150}{8}[/tex] = 6.25
So student will purchase 7 tins.
Cost of 7 tins = 7 × 0.5
= £3.5
Number of dog buns packets required = [tex]\frac{150}{6}[/tex] = 25
Cost of 25 packs = 25 × 0.9
= £22.5
Total cost of the material used for 150 buns = 22.5 + 3.5
= £26.0
Let the selling price of each hot dog = £x
Then selling price of 150 hot dogs = £150x
Students wants the profit = £100
So, Selling price - Cost price = profit
150x - 26 = 100
150x = 126
x = [tex]\frac{126}{150}[/tex]
x = £0.84
Therefore, he must charge minimum £0.84 for one hot dog.
if f(x)=x^2 is vertically stretched by a factor of 6 to g(x) amd reflected over the x-axis, what is the equation for g(x)
Jacob's little brother thinks that he could design a better lion enclosure than the one he sees at the zoo. He makes a drawing of his new and improved enclosure where every inch represents 25 feet. In his drawing the length of the rectangle is 7 ¼ inches. What is the actual length of the lion enclosure? The diagonal of the rectangle in his drawing is 10 ½ inches. What is the width of the enclosure in feet? What is the area of the enclosure in square feet?
Answer:
Step-by-step explanation:
Length
1 inch = 25 feet
7 1/4 inches = x feet
1 * x = 25 * 7 1/4
x = 25 * 7.25
Length = 181.25 feet
The length is 181.25
hypotenuse length
The diagonal = 10 1/2 inches
The diagonal = 10.5 inches
hypotenuse = 10.5 * 25 = 262.5 feet
Width
L^2 + W^2 = Diagonal^2
181.25² + W² = 262.5²
32851.5625 + W² = 68906.25 Subtract 32851.5625 from both sides
W² = 68906.25 - 32851.5625
W^2 = 36054.6875 Take the square root of both sides
W = 189.88
Area
Area = L * W
Area = 181.25 * 189.88
Area = 34415.88 square feet.
You find a car that is on sale for $13,000. It was originally $19,000. What is the percent change?
Answer:
( About ) % 31.58
Step-by-step explanation:
Consider the procedure below;
[tex]Increased Value = $ 19,000 - $ 13,000 = Difference ( $ 6000 ),\\\\Take Fraction of difference / Start Value = 6,000 / 19,000,\\( Percent ) = ( Around ) 31.58\\[/tex]
Thus, solution; ( About ) % 31.58
John earns
$59,800 a year. He is paid bi-weekly. What is his monthly pay?
Answer:
$4,983.33
Step-by-step explanation:
Bi weekly means every two weeks so he gets paid $2491.67 every two weeks. Multiply this by two and you get his monthly payment of $4,983.33
Please help me with my algebra.
Answer:
A
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
x+2y=3
5x-3y=2
Subtract 2y from both sides of the first equation to isolate x:
x=3-2y
Substitute this into the second equation:
5(3-2y)-3y=2
15-13y=2
y=1
x=1
Therefore, the correct answer is choice A. Hope this helps!
Nico and Albert are finishing up a science project. They measured the length in inches of three insects. They also found the average measurement of two more insects from a website.
Answer:
FIRST COMPLETE THE QUESTION
Nico and Albert are finishing up a science project. Tjeu measured the length in inches of three insects. They also found the average measurement of two more insects from a website. CONSIDERING THE DATA GIVEN (SEE ATTACHMENT BELOW), DETERMINE THE LISTS OF LENGTHS FROM SHORTEST TO LONGEST.
The list of lengths from shortest to longest is:
0.2 , 1/4 , 3/8 , 0.8 , 7/8
Step-by-step explanation:
Nico and Albert measures the length in inches of 3 insects i.
They also found the averages measurement of length of 2 more insects.
Now they have a total data which shows the data of 5 insects.
The data of 5 insects is given below:
3/8 = 0.375
1/4 = 0.25
7/8 = 0.875
0.8
0.2
The list is formed as follows:
0.2 , 0.25 , 0.375 , 0.8 , 0.875
or
0.2 , 1/4 , 3/8 , 0.8 , 7/8
Answer:
A
Step-by-step explanation:
Solve the inequality for w.
49 > 41 +13
Answer:
greater than
Step-by-step explanation:
A prize bag contains four country music CDs, eight pop music CDs, and five classic rock CDs. What is the probability of pulling out a classic rock CD and then, without replacing it, pulling out a country music CD? Express your answer in decimal form, rounded to the nearest hundredth.
Answer:
It is actually 0.07 on edge
Step-by-step explanation:
Got it right
The probability of pulling a classic rock CD is 0.71 and then without replacement probability of pulling Country side CD is 4.
What is Probability?Probability is the chance that something will happen, or how likely it is that an event will occur.
Formula for the calculation of probabilityProbability of an event to happen = [tex]\frac{number of favorable outcomes }{total number of outcomes}[/tex]
According to the given question
we have
a bag which contains ,
country music CDs = 4
pop music CDs = 8
classic rock CDs = 5
total number of CDs = 4+8+5 =17
probability of pulling a classic rock CD = [tex]\frac{5}{17}[/tex] =0.71
without replacing
total number of CDs left = 17-1 =16
probability of pulling a country music CD =[tex]\frac{4}{16}[/tex]=4
Hence, the probability of pulling a "classic rock CD" is 0.71 and then without replacing probability of pulling "country music CD" is 4
Learn more about the probability here:
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[tex]$\text{PLZ HELP ASAP}$[/tex]
A debate team consists of five girls and four boys. (Everyone is distinguishable.) How many ways can they stand in line, so that at least two of the girls are standing next to each other? BTW the answer is not 17.
Answer: 9!-2880 = 360000.
Step-by-step explanation:
Which expression could be used to find the volume of the prism below?
A ( 2x8)
B (2x8) + (2x8)
C (2x8) x (2x8) x (2x8) x (2x8)
D (2x8) + (2x8) (2x8) + (2x8)
Answer:
I think its either C or D but im not very sure.
Step-by-step explanation:
Answer:
I think it’s b
Step-by-step explanation:
The top and the bottom
Plz help asap, dhdhhsbdhd
Answer: The answer is 10. X = 10.
Step-by-step explanation:
Answer:
[tex]x = 60 \: \: degrees[/tex]
Step-by-step explanation:
[tex]2x + 5 + x - 5 = 180 \\ 3x = 180 \\ \frac{3x}{3} = \frac{180}{3} \\ x = 60 \: \: degrees[/tex]
(sum of the Co- interior angles = 180 degrees)
hope this helps
brainliest appreciated
good luck! have a nice day!
Please I need help with this ASAp...Thanks and will give you brainlist...
Answer:
Supplier A.
The mean is 67.28
The Triangle ABC represents a landscaped area inside a square land parcel. AC is parallel to a side of the square. Find AB
Answer:
6√5
Step-by-step explanation:
ABC is right triangle
if the length of hypotenuse is 18 ft and base is 12 ft. then the side length would be
18^2 - 12^2 = AB^2
324 - 144 =√180
AB = 6√5
plz answer this question will give you brainliest!!!
Answer:
1/10
Step-by-step explanation:
There is only one group with 2 numbers out of 4 who watched TV last night.
will mark bianleast
A point's coordinates are changed from (–7, –2) to (7, –2). What impact does this have on the location of the point?
The location of the point remains the same.
It is reflected over the y-axis.
The location of the point is shifted to the left.
It is reflected over the x-axis.
Answer: The answer would be "It is reflected over the x-axis"
Step-by-step explanation: The location wouldn't remain the same because the 7 is now a positive #. The y-axis hasn't changed. It's still the same -2. The location of the point would move, but it wouldn't move the the left. It would move to the right, because the negative numbers on the x-axis are on the left hand side, while the positive numbers are on the right hand side
Answer:When you reflect a point across the x-axis, the x-coordinate remains the same, but the y-coordinate is transformed into its opposite (its sign is changed). If you forget the rules for reflections when graphing, simply fold your paper along the x-axis (the line of reflection) to see where the new figure will be located.
Step-by-step explanation:
Given the equation (x + 3) ^ 2 + y ^ 2 = 81 choose ALL correct answers
1.The center of the circle would lie on the x-axis.
2. The center of the circle would lie on the y-axis.
3.The center of the circle would lie in a quadrant.
4. The radius is 9
5. The radius is 40.5
6.The radius is 81
7. The diameter is 18
8.The diameter is 81
9. The diameter is 162 Help please
Answer:
The equation of a circle having the center (a, b) and radius r could be formulated by:
(x - a)^2 + (y - b)^2 = r^2
A circle, which has equation form: (x + 3) ^ 2 + y ^ 2 = 81, can be turned into:
(x - -3)^2 + (y - 0)^2 = 9^2
=> center (-3, 0)
=> radius = 9
=> Option 1 is correct
=> Option 4 is correct
=> Option 7 is correct
Hope this helps!
:)
Choose the slope and y intercept that correspond with the graph
Answer:
slope=2/3 y-intercept is 1
Answer:
Slope: 2/3 y-intercept: 1
Step-by-step explanation:
The graph crosses the y-axis at 1 and goes right 3 and up 2. slope is rise over run so it rises 2 and runs 3.
Which parent function is represented by the table?
1
0
0.
1
1
4
N
O A. f(x) = [X1
O B. f(x) = x
O c. f(x) = 2x
O D. Ax) = x2
Answer:
D
Step-by-step explanation:
the vertex is (0,0) , the axis of symmetry is x=0
The parent function represented by the table is f ( x ) = x²
What is a function rule?The function rule is the relationship between the input or domain and the output or range. A relation is a function if and only if there exists one value in the range for every domain value.
A function is a relation from a set of inputs to a set of possible outputs where each input is related to exactly one output.
Given data ,
Let the function be represented as A
Now , the value of A is given from the table of values as
Let the x values of the function be x = { -2 , -1 , 0 , 1 , 2 }
Now , the y values of the function is y = { 4 , 1 , 0 , 1 , 4 }
So , the function is a quadratic rule of the form .
y = x²
On simplifying , we get
f ( x ) = x² be equation (1)
Therefore , the value of A is f ( x ) = x²
Hence , the function is f ( x ) = x²
To learn more about function rule click :
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x + (-3) = -7
X=
Answer here
I
Answer:
[tex]x=-4[/tex]
Step-by-step explanation:
[tex]x-3=-7[/tex]
[tex]x=-7+3[/tex]
[tex]x=-4[/tex]
Answer:
X = -4
Step-by-step explanation:
X + -3 = -7
Add 3 to each side
X -3 +3 = -7+3
X = -4
A triangle is shown with its exterior angles. Angles 2, 6, and 4 are the interior angles. Angle 1 is the exterior angle at angle 2. Angle 5 is the exterior angle at angle 6. Angle 3 is the exterior angle at angle 4.
Which statements are always true regarding the diagram? Check all that apply.
m∠3 + m∠4 = 180°
m∠2 + m∠4 + m∠6 = 180°
m∠2 + m∠4 = m∠5
m∠1 + m∠2 = 90°
m∠4 + m∠6 = m∠2
m∠2 + m∠6 = m∠5
Answer the first three
Step-by-step explanation:
I Did it
Answer:
a,b,c
Step-by-step explanation:
a) m∠3 + m∠4 = 180°
b) m∠2 + m∠4 + m∠6 = 180°
c) m∠2 + m∠4 = m∠5
these are the correct answers for edge 2020 geometry assignment; Triangle Angle Theorems
hope this helps!
A parabola, with a vertex at (−4, 32), is defined by f(x)=−x2+bx+c (where b and c are some numbers). f(x) and g(x) - its reflection about the origin, are defined for values of x such that f(x)≥0 and g(x)≤0. Find the intersection of the domains of the two functions.
Answer:
2 and 16
Step-by-step explanation:
please help as soon as possible
I WILL MARK YOU AS BRAINLIEST
Answer:
The answer is c
Step-by-step explanation:
Because she has two more nickles than dimes so the variable has to be c and the two more refers to (c+2)
If a rectangle has a permeter of 72 yards and it’s width is 9 yards what is the length of the missing length
Answer:
27
Step-by-step explanation:
The perimeter is 2x + 2y
Say x = 9
18 + 2y = 72
2y = 54
y = 27
Answer:
The length would be 27 yards
Step-by-step explanation:
The perimeter formula is l+l+w+w.
If fx) is a linear function, which statement must be true?
A. f(x) has no constant term.
B. f(x) has no x2-term.
C. f(x) has no terms with a coefficient other than 1.
D. f(x) has no x-term.
Answer:
B. f(x) has no x2-term.
I need help please!!!
Write the inequality that best represents the relationship shown on this number line:
Answer:
x ≥ -1
Step-by-step explanation:
the red fully circle in -1 show that -1 is include
Below is a grid with four quadrants. Plot the following points, and connect them with line segments. Point A (-2,-4). Point B (3,4). Point C (3, -4) Now this question below is the question I need help with On the same grid paper above, transform your figure ABC using the rule (2x,2y) I already plotted points ABC now I need to answer this question which I forgot to do. Below is the screenshot of the question with the grid with the first points plotted
Answer:
i think the answer is b
Step-by-step explanation:
12. Which of the following are the coordinates of the vertex of y=-x+ 2x+ 1?
O Q, 1)
0 (-2, 1)
O (1, -2)
O (1, 2)
Answer:
Y=1
Step-by-step explanation:
i think thats right, im not fully sure
Let me know if i'm wrong :)