Question

-5,1+9*(-c-4)при с=-2,6*(а-2_1/3)+17 при а=-0,5

Answer 1

-5,1 + 9*(2,6-4)=-5,1+9*(-1,4)=-5,1-12,6=-17,7
$(-0,5-2 \frac{1}{3} )+17=(- \frac{1}{2} -2 \frac{1}{3} )+17=(- \frac{3}{6} -2 \frac{2}{6} )+17=-2 \frac{5}{6} +16 \frac{6}{6}$=14_1\6

Answer 2

Давайте решим выражение по шагам:

1. Начнем с подстановки значения a = -0.5 в уравнение с = -2.6 * (a - 2 1/3) + 17:

c = -2.6 * (-0.5 - 2 1/3) + 17

2. Выполним вычисления внутри скобок:

c = -2.6 * (-0.5 - 7/3) + 17

c = -2.6 * (-0.5 - 7/3) + 17

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