3 years ago

The sum of 5 consecutive numbers is 135

Mathematics

1 answer:

enot [183]3 years ago

6 0

27+27+27+27+27 is 135

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Answer:

17%

Step-by-step explanation:

99.45-85=14.45

14.45/85= 0.17

0.17= 17%

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Let g(x) = x² - 3 and h(x) = 2x + 5. Find g(h(x)).

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Answer: $4x^2+20x+22\\\\$

========================================

Work Shown:

$g(x) = x^2 - 3\\\\g(h(x)) = (h(x))^2 - 3\\\\g(h(x)) = (2x+5)^2 - 3\\\\g(h(x)) = (2x+5)(2x+5) - 3\\\\g(h(x)) = 4x^2+10x+10x+25 - 3\\\\g(h(x)) = 4x^2+20x+25 - 3\\\\g(h(x)) = 4x^2+20x+22\\\\$

Explanation: I replaced every x with h(x) in step 2. In step 3, I replaced h(x) with 2x+5 just on the right hand side only. From there, expand and simplify.

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3 years ago

Estimate the square root 25 to the nearest integer. A. 6 B. 5 C. 7 D. 4

german

25 is a perfect square, the square root of 25 = 5 because 5 * 5 = 25

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4 years ago

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PLSSS help !!! find n AND m no need to show work

LuckyWell [14K]

180 = 2n + 128
2n = 52
n = 26°

180 - 128 = 52
90 + 52 + m = 180
142 + m = 180
m = 38°

Answer: n = 26° and m = 38°

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