03/07/22

Please help me with this question
An automobile is approaching a train which is moving parallel to the road. What frequency is heard if the train sounds its whistle at a pitch of 212 Hz while it is traveling at a speed of 30.0... more
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03/07/22

Can you help me how to find z in this problem?
Consider the function on .Absolute Maximum value............ at =............. Absolute Minimum value............. at =............ I just did the derivative which is r'(z)= -16e^(-4z)... more
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03/07/22

Suppose h = fog. Find h'(0) given that f(0) = 5, f '(1) = −7, g(0) = 1, and g'(0) = 7.
If h = fog. Find h'(0) given that f(0) = 5, f '(1) = −7, g(0) = 1, and g'(0) = 7.How do we find h'(0) =
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03/06/22

write an expression for the rate of the water leaking out of the tank
water is pumped into an underground tank at a constant rate of 8 gallons per minute. water leaks out of the tank at the rate of √t+1 gallons per minute, for 0≤t≤120 minutes. At time t=0, the tank... more
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03/01/22

Find the general solution of r' + 2rtheta - r - 4theta + 2 = 0.
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