Mathematics, 05.06.2020 04:01 tiaharris3191
2 points
An rock is tossed upward with a velocity of 5m/s from the edge of a cliff
60m high. How long will it take for the rock to hit the ground at the bottom
of the cliff? Report your answer to the nearest whole.
Your answer
Answers: 2
Mathematics, 21.06.2019 17:00
The parabola x= βy-9 opens: a.)up b.)down c.)right d.)left
Answers: 1
Mathematics, 21.06.2019 19:30
Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be able to prepare using the sauce?
Answers: 1
Mathematics, 21.06.2019 19:50
Prove (a) cosh2(x) β sinh2(x) = 1 and (b) 1 β tanh 2(x) = sech 2(x). solution (a) cosh2(x) β sinh2(x) = ex + eβx 2 2 β 2 = e2x + 2 + eβ2x 4 β = 4 = . (b) we start with the identity proved in part (a): cosh2(x) β sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 β sinh2(x) cosh2(x) = 1 or 1 β tanh 2(x) = .
Answers: 3
2 points
An rock is tossed upward with a velocity of 5m/s from the edge of a cliff
60m high....
60m high....
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