sophiagardens227
29.01.2020 •
Mathematics
Aball is thrown into the air with an initial upward velocity of 45 ft/s its height is(h) in feet after t seconds is given by the function h = -16t^2 + 45t + 6 after about how many seconds will the ball hit the ground ?
a. 3
b. 5
c. 6
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Ответ:
Ответ:
Angles ACB and CAB are both 75 degrees due to the fact that they are 90 degree angles subtracting the 15 degrees. Then add the two together and subtract from 180.