Christiancameron1234
02.12.2020 •
Mathematics
Cooper earned $214.50 at his job when he worked for 13 hours. How much money did he earn each hour?
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Ответ:
16.50
Step-by-step explanation:
Ответ:
(x + 4)² - 45
Step-by-step explanation:
Given
x² + 8x - 29
To complete the square
add/ subtract ( half the coefficient of the x- term)² to x² + 8x
f(x) = x² + 2(4)x + 16 - 16 - 29
= (x + 4)² - 45