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The volume of a cylinder varies jointly with the square or its radius and with its height: V=kr^2h   Cylinder A has a volume of 254.34 cubic inches and has a radius of 3 inches and a...

In the United States, 55 million computers, 32 million televisions, and 150 million cellphones were either disposed of or recycled in the past year. If 30% of computers, 20% of televisions, and 10%...

The United States' deer population increases 30% every 20 years. If the deer population is x in the year 2000, wha factor of x will the population be in the year 2080?

A man has had 6 brain scans done, but we only have 5 of his scores: The first five scores we have are 27.2,41.6,31.9,0.0, and 13.2. We do know his average for the 6 scores was 21.4, What was the total...

A rectangle is 6 inches longer than it is wide. The total perimeter length of the rectangle is 48 inches. How long and how wide is the rectangle? The surface area of a rectangle is the length times...

You need 10 quarts of a solution that contains 20% salt. However, you only have 5% and 25% salt solutions. How many quarts of each of the 5% and 25%solutions will you need to mix together to get 10...

You and a friend both live the same distance from a coffee shop. You walk at a rate that is one Mike an hour faster than your friend. If your friend leaves his house at 6:30 am and you leave your...

You(an adult) want to go to a local movie and pay for yourself, your mother, your father and three children. An adult friend of yours recently went to that movie and paid \$26 when he took his two...

Which of the following lines contains all points equidistant from the points (0,4) and (8,0) in the xy-plane?   A. 2y = -x + 8 B. 2y = x C. y = 2x -6 D. y = -2x   I...

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