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2 years ago

13

Look at the photo. Mean :))))))))))))))))))))

1 answer:

oksian1 [2.3K]2 years ago

7 0

6 numbres

mean=(sum of all numbers)/(how many numbers)

mean=119
119=(102+122+106+113+107+x)/6
119=(550+x)/6
times 6 both sides
714=550+x
minus 550
164=x

your friend was asleep in clas and didn't pay attention
your frined was being funny (like some peple on this site)

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What is the surface area of the prism in square inches?

Kay [80]

<u>Given</u>:

Given that the triangular prism with height 10 inches.

The side lengths of the base of the triangle are 12 inches, 13 inches and 5 inches.

We need to determine the surface area of the prism.

<u>Surface area of the prism:</u>

The surface area of the prism can be determined using the formula,

$SA=bh+(s_1+s_2+s_3)H$

where b is the base and h is the height of the triangle.

s₁, s₂, s₃ are the side lengths of the triangle and

H is the height of the prism.

Substituting b = 12, h = 5, s₁ = 12, s₂ = 5, s₃ = 13 and H = 10 in the above formula, we get;

$SA=(12)(5)+(12+5+13)(10)$

$SA=60+(30)(10)$

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$SA=360 \ in^2$

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Hence, Option b is the correct answer.

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