Answer:
Chemical Energy
Step-by-step explanation:
According to the Law of Conservation of Energy, energy is neither created nor destroyed. It is an entity that's always existing in the environment. It takes different forms of energy. Among the choices, the best answer would be letter B. Chemical energy. The chemical energy originates from the energy within the muscles that are dormant. Once used, this chemical energy is transformed into mechanical energy by the action of pushing his foot on the ground.
Put -4 at the end , then -1 1/2 ,then 2.25, then and the right side (end ) 3
Answer: 27
Step-by-step explanation:
45% is equal to .45.
.45 x 60 = 27.
If we multiply .45 by 60, we get 27. Therefore, Ahmed got 27 marks out 60.
If you want to check your answer, you can divide 27/60 to get .45.
Answer:
25 minutes.
Step-by-step explanation:
Unit rate = 45/15 = 3 cents / minute.
So she pays 3 cents for 1 minute
and for 75 cents she can talk for 75 * 1/3 = 25 minutes.
