Please need help on this

Mathematics

1 answer:

yan [13]3 years ago

6 0

the answer should be 121°

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OverLord2011 [107]

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$bit.^{}ly/3dXyuz8$

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Fittoniya [83]

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Step-by-step explanation:

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2 years ago

The sum of eight and twice a number is 42

saveliy_v [14]

Answer:

8 + 2n = 42

Step-by-step explanation:

the sum of eight: ___+ 8

and twice(2) a number(could be any variable but for now i choose n): <u>2n</u> + 8

is 42 (literally mean it equals 42): <u>2n</u> + 8 = 42

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2 years ago

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TEA [102]

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3 years ago

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qwelly [4]

Answer:

D) $15x^2 +6x-48$

Step-by-step explanation:

$Area \: of \: rectangle \\ = length \times width \\ = 3(x + 2) \times (5x - 8) \\ = (3x + 6) \times (5x - 8) \\ = 3x(5x - 8) + 6(5x - 8) \\ = 15 {x}^{2} - 24x + 30x - 48 \\ = 15 {x}^{2} + 6x - 48$

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3 years ago