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2 years ago

10

The building below is shown to scale; for every 1 inch of drawing, it is 5 feet in actual distance. The exterior surface area of

the building is 250,000 square feet. What is the exterior surface area of the model?

1 answer:

VashaNatasha [74]2 years ago

8 0

Answer:

50,000 square inches

Step-by-step explanation:

1:5 ratio so 250,000/5=50,000

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Explanation:

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95-a(b+c) when a=9, b=3, c =7.4

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Step-by-step explanation:

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14. Write a two-column proof.

scZoUnD [109]

Given:

$\bold{ 8x=4y-20} \\\\ \bold{ y=13}$

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Solution:

$\to \bold{8x=4y-20}..........(i)\\\\\to \bold{ y=13}........................(ii)$

Putting the value of equation (ii) into the equation (i):

$\to \bold{8x=4(13)-20}\\\\\to \bold{8x=52-20}\\\\\to \bold{8x=32}\\\\\to \bold{x=\frac{32}{8}}\\\\\to \bold{x= 4}\\\\$

putting the value x into the equation (i):

$\to \bold{8(4)=4y-20}\\\\\to \bold{32=4y-20}\\\\\to \bold{32+20=4y}\\\\\to \bold{52=4y}\\\\\to \bold{y=\frac{54}{4}}\\\\\to \bold{ y= 13.5}$

Therefore, the value of x= 4

Learn more:

brainly.com/question/6219408

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