Answer: 70:80
Step-by-step explanation: I believe this is correct
Picture of work attached.
Answer:
d
Step-by-step explanation:
Answer:
13 seconds.
Step-by-step explanation:
Given
Required
Determine a reasonable solution for t
To do this, we equate h to 0.
becomes
Divide through by -4.9
Reorder the expression
Split
or
This gives:
or
But time can't be negative, So:
Answer:
125%
Step-by-step explanation:
divide 250% by 2