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ddd [48]
2 years ago
8

Help me with PART B!!! Use image to help!!

Mathematics
1 answer:
sasho [114]2 years ago
8 0
I think it’s 3
i multiplied .2222 times 18
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What is the surface area of the right rectangular prism?
scoundrel [369]
<h3>Answer:  Choice A) 252 in^2</h3>

=======================================================

Explanation:

Refer to the diagram below.

The red rectangle is 6 inches by 12 inches, so its area is 6*12 = 72 square inches. There are two of these rectangles (one on top, one on the bottom). That accounts for 2*72 = 144 square inches so far.

The purple rectangles are 3 inches by 12 inches, yielding an area of 3*12 = 36 square inches each. That's another 2*36 = 72 square inches when we account for the front and back purple rectangles.

The green rectangles are 6 inches by 3 inches. Each green rectangle is 6*3 = 18 square inches. Having two of them means we'll add on 2*18 = 36 square inches.

Overall, the entire surface area is the sum of all the areas we calculated: 144+72+36 = 252 square inches, which is choice A

-------------------------

Alternative Method:

  • L = 12 = length
  • W = 6 = width
  • H = 3 = height

SA = surface area of the rectangular prism

SA = 2*(L*W + L*H + W*H)

SA = 2*(12*6 + 12*3 + 6*3)

SA = 2*(72 + 36 + 18)

SA = 2*(126)

SA = 252 in^2

So we get the same answer either way

3 0
3 years ago
If a recipe calls for 12 oz. of chocolate chips for 2 batches, how many ounces of chocolate chips would you need for 1/2 a batch
Andru [333]

Answer:

3 oz.

Step-by-step explanation:

how many 1/2 are there in 2?

there are 4.

this means we divide 12 (oz. of choc chips) and 4

when we divide them, we get 3oz.

thats why you need 3oz. chocolate chips for 1/2 of a batch

<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em>!</em>

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3 years ago
QF Q3b.) Find the following function
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This is an example of a composite function which can be simplified to g(fx). Literally input f(x) into the x of g(x), leading to the answer of 80x^2-120x+42
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Solve the Problem below
m_a_m_a [10]

Answer:

3/4 + 1= 2x - x+1/4

Step-by-step explanation:

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These box plots show daily low temperatures for a sample of days in two
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Answer:

d

Step-by-step explanation:

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