Answer:
Approximately 1.9 seconds (correct to nearest tenth)
Step-by-step explanation:
Looks like the function is d = -16t^2 + 55 ( you left out the t)
The answer is the value of t when d = 0 so we have the equation:-
0 = -16t^2 + 55
16t^2 = 55
t^2 = 55/16
t = sqrt (55/16)
= 1.85 seconds
Answer:
looking at anwser now
Step-by-step explanation:
She can buy 3 tubes be cause 8.50 time 2 is less then 20$ but 8.50 times three is more than 20$ its 25.5
Sonal went to school for 219 days in a full year. if her attendance is 75 percent find the number of days on which the school was open
Answer: MP=(1,1)
Step-by-step explanation:

-2+4=2 -3+5=2
2/2=1