need help with my math homework

need help with my math homework

Jt is building a fence around a rectangular field. a function to model in the perimeter of the fence is given by the equation p(x)=3x^2-4x+2, where x is the width of the field. If p(x) = 2409,...

A) Calculate the amount of snowfall needed in the 2008-2009 season to maintain the average established from 1981-2006 seasons. ___________ B) Chicago got 52.7inches of snowfall in the 2008-2009...

14.) Over 350 students took a college calculus final exam. The scores of the students follow a normal distribution. Using the information given below, determine the mean and the standard deviation...

the answer has to be an equation

Pratap Puri rowed 22 miles down a river in 2 hours, but the return trip took him 5 1/2 hours. Find the rate Pratap can row in still water and find the rate of the current. Let x=rate Pratap can row...

When will the ball hit the ground? Give exact answer and approximate if needed to tenth of a second

A car is 500 ft from Krista and driving toward her at 32 ft per second. At what times will the car be less than 50 ft away from her? Write an appropriate absolute value inequality for the given situation...

Tell me the answer

Preeda and Malee, want to participate in a triathlon: a competition and plumbing swimming cycling and running. As both sisters lack the stamina needed to run and bike over a long distance, they decide...

I know that the perimeter is 40 feet.

Make it into an equation.

Nothing

x2 - 6x + 5 ÷ 2x - 10 3x2 9x

Express the given quantity in terms of the indicayed variable.

i need the answer to this word problem

Overseas phone call is charged at 1 rate (fixed amount) for 1st min and different rate for each additional min 7 min call costs: $10 4 min call: $6.40 Find each rate

It's an Algebra II geometry problem- involving suplementary and complementary angles. Help?

Meg and her sister are going to m make 30 sandwiches for the family picnic. If Meg can make a sandwich in 35 sec and her sis can make a sandwich in 29 then how long will it take both girls to...

7x + x-1 = 5 3 6 6

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