Thursday
December 5, 2013

# Posts by Becca

Total # Posts: 293

calculus
An airplane flying west at 300 miles per hour goes over the control tower at noon, and a second airplane at the same altitude, flying north at 400 miles per hour, goes over the tower an hour later. How fast is the distance between the airplanes changing at 2:00 P.M.?

Algebra
REMOVING FACTOR OF 1: 4Z-24/6-Z

Algebra
The cost, in millions, to remove x% of pollution in a pond is modeled by the equation: C=6350/(425-3x) . What is the cost to remove 75% of the pollution? Hint: Plug in and calculate, do not convert to a decimal. Can someone tell me how figure this out step by step recheck my a...

Algebra
1.50 per animal. 2200.00 for set-up and 1,50 per animal ??? are you sure your right???

Algebra
1.50 per animal. 2200.00 for set-up and 1,50 per animal ??? are you sure your right???

Algebra
Opps I think the other one was wrong so here's my new answer: (2200 + 1.5x)=1.5*25+\$2,200 =\$2,237.50

Algebra
Scientists want to set up and test animals in the area for West Nile. The costs to test are \$2,200 for setup plus \$1.50 to administer each test. (2200 + 1.5x)/x What is the average cost to test 25 animals?250 animals??1000 animals??? (2200 + 1.5x)=2201.50 *25 =2239.00 Is this ...

Algebra
, what value of x would make the equation undefined? Hint: Think about what makes an equation undefined. Then calculate what value would make this equation undefined. Any ideas????? help

Algebra
The cost, in millions, to remove x% of pollution in a pond is modeled by the equation: C=6350/(425-3x) What is the cost to remove 75% of the pollution? Plug in and calculate, do not convert to a decimal.

Algebra
HELP!!!!!!!If 59 people use 15,045 cans in 1 year. How maNY CANS are used in a city with a population of 1,562,000???

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