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3 years ago

I need help. Thank you.

Mathematics

2 answers:

Oduvanchick [21]3 years ago

4 0

Answer:

A=-5

Step-by-step explanation:

victus00 [196]3 years ago

4 0

Answer:

a=-5

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

Abdul is creating a cushion that is 1 foot by 2 feet by 3 feet. He wants to find the least amount of fabric he will need to cove

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Answer:

The least amount of fabric are 22 square feet

Step-by-step explanation:

we know that

The surface area of a rectangular prism is given by the formula

$SA=2B+PH$

where

B is the area of the base

P is the perimeter of the base

H is the height of the prism

Let

L ---> the length pf the prism

W ---> the width of the prism

H ---> is the height of the prism

Let

$L=2\ ft\\W=3\ ft\\H=1\ ft$

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$B=LW=(2)(3)=6\ ft^2$

Find the perimeter of the base

$P=2(L+W)=2(2+3)=10\ ft$

Find the surface area

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therefore

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