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mihalych1998 [28]
4 years ago
13

The net of a rectangular prism is shown below. What is the total surface area of this prism

Mathematics
2 answers:
Lisa [10]4 years ago
6 0

Answer:

142 cm²

Explanation:

to find the surface area, you need to find the area of all of the boxes within the image above add them all together.

Starting in the middle row and working from left to right it is,

7×3+7×5+7×3+7×5

21+35+21+35=112

Than the bottom and top box is

3×5+5×3

15+15=30

Than you add both of them together,

112+30=142

Stels [109]4 years ago
3 0

Answer:

142 cm^2

Step-by-step explanation:

Okay, we can first break this down into 3 different rectangles.

3 x 5 rectangle

16 x 7 rectangle

3 x 5 rectangle.

From here, we just multiply these out and add them. 15 + 15 + 112 = 142. So our answer is 142 cm^2  

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Evaluating each term and adding them you will get,
P(X≤12) = 0.02532833572
This is the required probability. 
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