ceceshelby1130
01.04.2021 •
Mathematics
A = x² + 4x – 60
What is the length and width?
If x=9 what is the perimeter of the rectangle?
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Ответ:
57 I think?
Step-by-step explanation:
A=x² + 4x - 60
A=9² + 4⁹ - 60
(9x9=81) + (4x9=36) - 60
= 57
Ответ: