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giannafilippi2006
24.08.2019 •
Mathematics
Let a be the area of circle of radius r that is changing with respect to time. if dr/dt is constant, is da/dt constant? expain.
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Ответ:
A=πr²
dA/dt=2πr*dr/dt
if dr/dt is constant, dA/dt is linear.
Ответ:
Step-by-step explanation:
Let X be the variable representing SAT critical reading scores for which the mean is 507 and std dev is 109
X is normal
Critical score for 95% is Z critical = ±1.96
Convert Z to x score as
Critical values of X lie in the range
(293.36,720.64)