39 5 points
9. A family is looking to see how much of their electricity bill is coming from their clothes washer and drier. The washer uses 1500 watts and the clothes drier uses
2000 watts and the family pays $.10 per kilowatt-hour. The appliances runs approximately 30 minutes each day(total together). How much does the family spend
per week to run both these appliances? Show set up with units

Suppose you are estimating the size of a blue crab population. what is the population size if the number marked in the first catch is 40, the total number in the second catch is 200, and the number marked in the second catch is 50?

What was dr. willem johan kolff’s first step in using the scientific process to invent the hemodialysis machine? he built the machine and tried it with various patients, collecting data about its effectiveness. when a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine. he researched and collected data about numerous patients who exhibited symptoms of kidney failure. he drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity hurry!