Mathematics: Which expression is equivalent to the expression below? select all that apply. –2/5(15 – 20d + 5c) a. –30 + 40d – 10c b. –6 + 8d – 2c c. –2c + 8d – 6 d. 6 – 8d + 2c

Which expression is equivalent to the expression

Ответ:

arwen28

14.03.2022

$-\dfrac{2}{5}(15-20d+5c)\qquad\text{use distributive property}\\\\=\left(-\dfrac{2}{5}\right)(15)+\left(-\dfrac{2}{5}\right)(-20d)+\left(-\dfrac{2}{5}\right)(5c)\\\\=(-2)(3)+(-2)(-4d)+(-2)(c)\\\\=-6+8d-2c\\\\\\\\\boxed{B.\ -6+8d-2c}\\\boxed{C.\ -2c+8d-6}$

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Ответ:

bryce99

22.10.2022

Mathematics

A is the correct answer.

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Which expression is equivalent to the expression below? select all that apply. –2/5(15 – 20d + 5c) a. –30 + 40d – 10c b. –6 + 8d – 2c c. –2c + 8d – 6 d. 6 – 8d + 2c

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