X=a/y-b would be the answer for this question
Answer:
True, she would need to order 48.
Step-by-step explanation:
If you divide the expected number of people (120) by the number of balloons per person (120 divided by 5) then multiply that by 2 you get 48.
98 - 62 = 36
36/98 x 100 = 36.7%
answer:
Tim was 36.7% error
Answer: after 3 seconds
when the ball hit the ground => - 5t² + 14t + 3 = 0
⇔ (5t + 1)(t - 3) = 0
⇔ t = 3 or t = -1/5
but t is a positive integer => t = 3
so the ball will hit the ground after 3 seconds
Step-by-step explanation:
