Answer:
138
Step-by-step explanation:
Answer:
70
Step-by-step explanation:
You do 14*5 because she bikes 7 miles to school and 7 miles back, then a school week is 5 days
The same way you add and subtract any pair of fractions. You need to make sure the denominators are equal. Once they are equal, you can add or subtract the numerators and place the result over the common denominators.
Answer:
The answer is 17 or x is 17
Answer:
Work done is the product of distance and force, it is measured in joules.
Power is the rate of work done given by dividing the work done by time
Power (watts)= workdone (J)/ time (s)
= 50,000J/7 sec
= 7142.857 watts
Therefore, the power of the car during the race was 7142.857 watts
Step-by-step explanation: