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mario65
20.05.2021 •
Mathematics
Can y’all help me? I would really appreciate it :)
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Ответ:
You are also told that dx/dt = 6 cm/s Now, you want to find dA/dt when A = 16, i.e., when x = 4.
Since dx/dt = 6cm/s and dA/dx = 16cm/s
dA/dx dx/dt = dA/dt
dA/dt A' = 2xx' A' = 2x6cm/s
So we need to solve for x because we are trying to find dA so
16 = x^(2) (16)^(1/2) = 4
thus
A' = 2(4)(6)
A' = 48