What are the values of the variables in parrallelogram ABCD

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Ответ:

JvGaming2001

22.04.2021

Mathematics

a = 5

Step-by-step explanation:

Solving h(-2) = 21 :

$h(-2) = 21 \\ a(-2)^2 +1 = 21 \\ a(4) +1 = 21 \\ 4a +1 = 21 \\ 4a +1 -1 = 21 -1 \\ 4a = 20 \\ \frac{4a}{4} = \frac{20}{4} \\ a = 5$

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