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alex12354
07.01.2020 •
Mathematics
Melody needs to record a new cd. she decides she can spend as much as $8,000 on studio time. the studio charges $425 to reserve space and $75 per hour. write and solve an equation to find the maximum number of hours melody can afford to spend in the recording studio
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Ответ:
please correct me if im wrong
Step-by-step explanation:
Melody has a new job recording for the All-Time Favorites record label. She The studio charges $425 to reserve the space ... maximum number of hours Melody can afford to spend in the.
Ответ:
3x² + 21x - x - 7 =
3x(x+7) - (x+7) =
(3x-1)(x+7)
3x-1 = 0 or x+7 = 0
x = -1/3 x=-7
-7, -1/3.