Check the picture below.
make sure your calculator is in Degree mode.
The number is 'n'.
Five times the number is 5n .
Nine more than that is 5n + 9 .
Test results indicate that a woman is not pregnant when she is
Answer:
2
Step-by-step explanation:
when it returns to the ground , h = 0
32t -16t2 = 0 and solve for t
t = 0, 2 ....0 is the start, 2 is when it returns