Answer:
18 seconds
Step-by-step explanation:
according to the question
-16t²+5184=0 (0 because when the height is 0 the ball will hit the ground)
-16t²=-5184
t²=-5184/-16
t²=324
t=√324
t=18
M + 5n = 7
subtract 5n from each side
m = -5n + 7
Answer:
57
Step-by-step explanation:
variables
substitution
Answer:
1 x 3 x 1 = 3
Step-by-step explanation:
