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3 years ago

13

A rectangular prism has a length of 10 mm, a Width of 15mm and a height of 8mm. How do you find the surface area using the formu

la 2(wh+lw++lh

1 answer:

zhenek [66]3 years ago

8 0

Answer: Use a pice of paper using the explanation

Step-by-step explanation: WH would be width times hight + LW length times width + LH length times hight

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Svet_ta [14]

They would be 8cm far apart.

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3 years ago

Find the product of 0.032 and -1.9

vesna_86 [32]

Answer:

i think it's -0.0608

Step-by-step explanation:

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3 years ago

⦁ To the nearest tenth, find the perimeter of ∆ABC with vertices A(2,4), B(-2,1) and C(2,1). Show your work.

Colt1911 [192]

We need the length of the sides.
AB=√(2-(-2))²+(4-1)²=√16+9=√25=5; BC=√4²+0=4; CA=√0+9=3. AB+BC+CA=5+4+3=12.

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3 years ago

From $80 to $64 *<br> Percent decrease

pashok25 [27]

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Step-by-step explanation:

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3 years ago

-8z+(4.5)+3.5z+7y-1.5

bogdanovich [222]

Answer:

$\boxed{\sf{7y+3-4.5z}}$

Step-by-step explanation:

In order to combine like terms, you have to isolate x and y from one side of the equation.

$\sf{-8z+\left(4.5\right)+3.5z+7y-1.5}$

<u>First, thing you do is remove parentheses.</u>

$\Longrightarrow: \sf{-8z+4.5+3.5z+7y-1.5}$

<u>Solve.</u>

<u>Then, you combine like terms.</u>

$\Longrightarrow:\sf{-8z+3.5z+7y+4.5-1.5}$

<u>Add/subtract the numbers from left to right.</u>

-8z+3.5z=-4.5z

<u>Rewrite the problem down.</u>

$\Longrightarrow: \sf{-4.5z+7y+4.5-1.5}$

<u>Solve.</u>

4.5-1.5=3

$\Longrightarrow: \boxed{\sf{7y+3-4.5z}}$

<u>Therefore, the correct answer is 7y+3-4.5z.</u>

I hope this helps, let me know if you have any questions.

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2 years ago