Answer:
b
Step-by-step explanation:
the sum of 3 and 7 is 3+7. then times x
It is actually a square.
90 feet on side so the perimeter is 4 x 90 =360
Work<span> is done when a force that is applied to an object moves that object. The </span>work<span> is calculated by multiplying the force by the amount of movement of an object. Force is mass times acceleration. The problem says the system is at constant velocity therefore acceleration is zero. Thus, work done would be zero as well.
Hope this helps. Have a nice day.</span>
If the bicycle went 120 miles in 5 hours, and the motorcycle was three times as fast as the bicycle, then the motorcycle went 480 miles in 5 hours.
it would depend how much you actually used, but you would take the amount you used and divide it by the total amount of yarn. so if the yarn was 4m long and you used 2m then it would be 2/4 which is 0.5 which is also 50%, so half the yarn was used.