16.64 average of the four races that kerri ran in seconds.
The sail is 3 ft tall
BxHx(1/2) =a
2.5x3x(1/2)= 3.75
7.2x(1/2)=3.75
3.5=3.5
Answer:
0.25
Step-by-step explanation:
I took the test :) ahhhh I love brainly
Try to put all the x-es on one side and then find a value of one x. In this case:
x + 36 = 4x / -x (both sides)
36 = 3x / :3 (both sides)
x = 12