Answer:
d
Step-by-step explanation:
if u substitute -4 in the equation it will give u a math error
Answer:
2:25
Step-by-step explanation:
Time=distance/speed
81/36=2.25
2:25 is the time for how long this will take!
Answer:
Step-by-step explanation:
let t= time in seconds, h=height in ft
height at 
=
Velocity,v=
Height=
Therefore height after 
is obtained by adding height gained to initial height.
Answer:
c 30 inches
Step-by-step explanation:
Answer:
Step-by-step explanation: The purpose of scientific notation is to make the numbers and quantities used easier to comprehend, to read and to write.
Express both numbers with the same power of ten.
Add the base numbers.
Bring the power of ten down to represent the new power of ten for the sum.
Simplify so that the base number is between 1 and 10.
