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Travka [436]
3 years ago
10

How do I simplify this??

Mathematics
1 answer:
alina1380 [7]3 years ago
8 0
Idk i can't see that, sorry
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Help me please I need this done quick
Anna11 [10]
Answer:
1058.4 in^2

Step-by-step explanation:
Find the surface areas of the rectangular prism and the triangular prisms separately.
Triangular: S = (1/2)lP+B, where l is slant height, P perimeter, and B base area.
14(4)= 56 perimeter of base
13 slant height
B = 14x14 = 196
put together:
S = (1/2)(13 x 56) + 196
S = 560 in^2

Now the rectangular prism
S = 2lw + 2lh + 2wh, where l is length, h height, w width. (delete the first 2lw since they share one side/they're combined shapes.
S = 2(14x8.9) + 2(14x8.9)
S = 498.4 in^2

Add them together: 498.4 + 560 = 1058.4 in^2
7 0
2 years ago
Explain why (a+b)^2 = a^2+b^2 if and only if a=0 or b=0
const2013 [10]

Hope this helps! Because when you would fill in the variables 0=0 which which make the expression too that they’d equal the same.

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3 years ago
What is 14.95 + 10% tip
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16.445 I have no expectation sorry.
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