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motikmotik
3 years ago
6

Find the surface area of the prism.

Mathematics
1 answer:
Vanyuwa [196]3 years ago
4 0

Answer:

400cm²

Step-by-step explanation:

Total surface area of a prism includes the area of the top and bottom triangle sides of the prism, plus the area of all 3 rectangular sides.

Base & Bottom triangle area: 2 x [(8 x 15)/2] = 120cm²

Side triangle area: 17 x 7 + 8 x 7 + 15 x 7 = 280cm²

Total surface area = 280 + 120 = 400cm²

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Rewrite the rational exponent as a radical. 5 to the 3 over 4 power, to the 2 over 3 power
Serjik [45]

(5^{\frac{3}{4}})^{\frac{2}{3}}= 5^{\frac{6}{12}} = 5^{\frac{1}{2}} = \sqrt{5}

Answer: √5

5 0
4 years ago
Which expression doesn't belong? Why does it not belong? A. 7.9x B. 7.9 · (-10) C. 7.9 + x D. - 79
motikmotik

Answer:

C. 7.9 + x

Step-by-step explanation:

Given - A. 7.9x  B. 7.9 · (-10)  C. 7.9 + x  D. - 79

To find - Which expression doesn't belong? Why does it not belong?

Proof -

As given

A.  7.9x

B. 7.9·(-10)

C. 7.9 + x

D. -79

As we can see that Option A, B, D are the multiple of 7.9 but Option C is not the multiple of 7.9

So, Option C does not belong here.

∴ we get

The correct answer is - C. 7.9 + x

7 0
3 years ago
Solve -4 x (- 10.5 ) <br> 40.5 <br> 14.5 <br> 42.4 <br> 42
telo118 [61]
It’s 42 if you need work tell me
4 0
4 years ago
Read 2 more answers
The sum of five consecutive numbers is 360. What is the smallest of these numbers? *
guajiro [1.7K]

Answer:

70

Step-by-step explanation:

An easy way to do this is to simply take 360(the sum) and divide it by 5(the number of numbers) to get 72.  Thus, 72 is the middle number and the numbers are:

72

72,72,73

70,71,72,73,74

The smallest of these numbers is 70

<em>Hope it helps <3</em>

8 0
4 years ago
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Rút gọn M=[ căn x -2/x-1- căn x +2/x+2 căn x+ 1] nhân x bình-2x+1/2 với x&gt;0 x khác 1
Ymorist [56]

Answer:

Step-by-step explanation:

3 0
3 years ago
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