Answer: d. He multiplied when he was supposed to divide
Step-by-step explanation:
He just multiplied across when he was supposed to divide (or cross multiply) to find the unit rate :)
It is 75000J
I checked this by plugging in the values above to the kinetic energy formula (1/2mv^2)
Answer:
a c e
Step-by-step explanation:
Answer: d
Step-by-step explanations
:
Answer:17/30
Step-by-step explanation:common denominator would be 30..
30÷10=3
30÷15=2
3x3=9
2x4=8
8+9=17
=17/30
