Question

WILLLLL MEDALLLLLLLLLLLLLL!!!!!!!!!!!!!
Joan's washing machine tub is a cylinder with a height of 17 in. and a diameter of 22 in. Her washer was half full of water when it stopped working. The repair person's pump removed 46.2 in^3 of water every second.

How many seconds did it take to empty the washer? Use 3.14 to approximate pi, and round your answer to the nearest whole number.

A.
70 s

B.
140 s

C.
280 s

D.
559 s

Answer 1

ALSO THIS ONE PLEASE A bricklayer uses a cylinder to store sand. The cylinder is 5 ft tall and has a radius of 0.5 ft. Each batch of mortar contains 0.48 ft^3 of sand.

How many batches of mortar can the bricklayer make with 1 cylinder of sand? Use 3.14 to approximate pi, and express your answer as a whole number.
_________?

Answer 2

AND THIS ONE PLEASE
A dispenser holds of 5500 cm^3 of liquid soap and is now full. The radius of the dispenser is 7.5 cm.

What is the difference between the height of the soap in the full dispenser and the height when 3355 cm^3 of soap remains in the dispenser? Use 3.14 to approximate pi, and round your answer to one decimal place.

___________cm