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3 years ago

A surplus is

Mathematics

2 answers:

pantera1 [17]3 years ago

8 0

It is when you spend less money than you have in income because a surplus is when there is extra money left over.

Rashid [163]3 years ago

7 0

I believe its when you spend less because surplus is what you have excess so if you spend less than you have more money left over

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A candy store makes a 9-pound mixture of gummy candy, jelly beans, and hard candy. The cost of gummy candy is $2.00 per pound, j

Musya8 [376]

Let

x--------> the amount of gummy candy in pounds

y--------> the amount of jelly beans in pounds

z--------> the amount of hard candy in pounds

we know that

$x+y+z=9$ --------> equation $1$

$2x+3y+3z=23$ --------> equation $2$

$x=2y$ --------> equation $3$

Substitute equation $3$ in equation $1$ and equation $2$

$[2y]+y+z=9$ -----> $3y+z=9$ ------> equation $4$

$2[2y]+3y+3z=23$ -----> $7y+3z=23$ ------> equation $5$

using a graphing tool ------> Solve the system of equations

see the attached figure

the solution is the point $(3,2)$

$z=3\ pounds\\y=2\ pounds$

Find the value of x

$x=2y$

$x=2*2=4\ pounds$

therefore

the answer is

the amount of gummy candy is $4\ pounds$

the amount of jelly beans is $2\ pounds$

the amount of hard candy is $3\ pounds$

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3 years ago

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a police officer records the speeds of vehicles on a road.what percent of the vehicles were traveling between 51-55 miles per ho

Marrrta [24]

Answer:

24%

Step-by-step explanation:

50 is the 100%

12/50= 24%

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3 years ago

One quart of water-resistant paint covers 75 square feet. A swimming pool is in the shape of a rectangular prism with a length o

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18.66 quarts of paint is needed to paint the swimming pool with two coats of paint

Solution:

Given that,

A swimming pool is in the shape of a rectangular prism

Length = 20 feet

Width = 10 feet

Height = 5 feet

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$A=2(wl+hl+hw)$

Where, "l" is the length and "w" is the width and "h" is the height

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Thus surface area area of prism is 700 square feet

Given that,

One quart of water-resistant paint covers 75 square feet

Therefore,

1 quart paint = 75 square feet

x quart = 700 square feet

This forms a proportion

$1 \times 700 = 75 \times x\\\\x = \frac{700}{75}\\\\x = 9.33$

Thus 9.33 quarts of paint is needed to cover 700 square feet

How many quarts should you buy to paint the swimming pool with two coats of paint

For two coats of paint we need = 9.33 + 9.33 = 18.66 quarts of paint

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3 years ago

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Novay_Z [31]

About 495 CDs in a single day

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Natali [406]

Answer:

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Step-by-step explanation:

(Round to 3 decimal places as needed.)

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