Oct 8 2009

[austorior]

In longview tx, water evaporates at the average rate of 56 nanometers per second. The average annual rainfall is 47.8in. How much water must be added (positive) or subtracted (negative) annually to maintain a constant level in a rain gauge? ____in

Sandy made an 8 cup pot of coffee. After taking one cup out, she found it was too strong and topped off the pot with hot water. She took a second cup and it was too strong, so she repeated the process. The third cup was still too strong so she refilled the pot with hot water a third time. What is the final strength of the coffee divided by the original strength?

A towel weighs 3.5 lbs soaking wet but only 1.1 lbs when 80% of the water is wrung out. What does it weigh after it dries completely?

A car accelerates from rest, drives a certain distance at 60mph, and then decelerates to rest. Acceleration and deceleration have equal magnitude but opposite sign. If the total distance traveled was 18 mi and the total elapsed time was 20 min, what was the (positive) acceleration? (ft/secondsquared)

A recipe calls for the meat of 12 large lemons. If a large lemon is 4.3 in long with a 0.25 in thick rind, how many 3 in long medium lemons are needed to substitute? The rind on a medium lemon is also 0.25in.

What is the slope of y=(x-2)^3+16(x+7)^2-24x at x=13?

An opened top paper vessel holds 2 cups of liquid and has a square cross section. What is the vessel height if the least amount of paper is used? (in)

[88bobcat]

[88bobcat]