Is there supposed to be a picture I’m sorry I don’t see it
Answer:
x = 6
Step-by-step explanation:
8x + 7x = 90
15x = 90
15x/15 = 90/15
x = 6
No 9.717 is greater than 9.707 because 9.717 would be seven hundred seven thousandths and 9.717 would be seven hundred seven teen hundredths.
Hi there. I think that this question is supposed to go in the Physics category but I'll help you.
the equation for kinetic energy is 1/2mv^2.
Plug the given values in.
18=1/2(m)(3)^2
18=1/2m(9)
36=9m
m=4