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Delicious77 [7]
3 years ago
7

There are 144 people in an audience. The ratio of adults to children is 5 to 3. How many are adults?

Mathematics
2 answers:
VLD [36.1K]3 years ago
4 0
5:3....added = 8 5/8(144) = 720/8 = 90 adults 3/8(144) = 432/8 = 54 children
hoa [83]3 years ago
3 0
5:3....added = 8

5/8(144) = 720/8 = 90 adults
3/8(144) = 432/8 = 54 children
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There are 2 roots so the only way to complete the square is,

y=2x^2+8x-9\\y=2[(x^2+4x)]-9\\y=2[(x^2+4x+4)-4]-9\\y=2[(x+2)^2-4]-9\\y=2(x+2)^2-8-9\\y=2(x+2)^2-17

Just factor 2 out of 2x^2+8x (just ignore the -9) then find the number that will make the terms be able to complete the square.

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ruslelena [56]

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Step-by-step explanation:

<u>Given information:</u>

35, 40, 12, 16, 25, 10

<u>Given formula:</u>

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<u>Substitute values into the formula</u>

Mean~=~\frac{35~+~40~+~12~+~16~+~25~+~10}{6}

<u>Combine like terms</u>

Mean~=~\frac{75~+~28~+~35}{6}

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<u>Simplify the fraction</u>

\Large\boxed{Mean=23}

Hope this helps!! :)

Please let me know if you have any questions

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Step-by-step explanation:

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