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3 years ago

14

A rectangular prism is 3 units high, 2 units wide, and 5 units long. What is its surface area in square units? Explain or show y

our reasoning.

1 answer:

sergiy2304 [10]3 years ago

6 0

62

A=2(wl+hl+hw)=2·(2·5+3·5+3·2)=62

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Step-by-step explanation:

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7' 7" − 4' 11"<br> (It's not easy)<br> I posted this twice

Hitman42 [59]

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4 years ago

If DM = 35, what is the value of r?

Gennadij [26K]

Answer:

$r = 11$

Step-by-step explanation:

Given

$DM = 35$

$DG = r + 5$

$GM = 3r - 14$

Required

Find r

From the question, we understand that G is a point between D and M:

This implies that:

$DM = DG + GM$

Substitute values for DM, DG and GM

$35 = r + 5 + 3r - 14$

Collect Like Terms

$r + 3r = 35 - 5 + 14$

$4r = 44$

Solve for r

$r = 44/4$

$r = 11$

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4 years ago