Answer:
1 and idk the second
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:
-1 i think that the answer is -1
Answer:
(2 , 72) and (5 , 180)
Step-by-step explanation:
when x = 2 , y = 36× 2 = 72 (2,72)
when x = 4 , y = 36×4 = 180 (4,180)
Answer:
0.75 3/4, 0.30 3/10, 0.05 1/20
Step-by-step explanation:
25x3 is 75 but because its 75 cents its 0.75
and 3/4 means 0.75 (3 divided by 4 is 0.75)
10x3 is 30 but because its 30 cents its 0.30
and 3/10 means 0.30 (3 divided by 10 is 0.30)
1x5 is 5 and because its 5 cents its 0.05
and 1/20 means 0.05 (1 divided by 20 is 0.05)
