03/07/15

largest equalateral triangle within a rectangle
What is the largest equalateral triangle that I can cut from a rectangle piece of plywood that is 24" wide and 18" long?
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03/06/15

I have a word problem that I think involves logs. I really need help and I am so confused.
Katherine's grandparents deposit $5000 in her college fund in honor of her birth. The money is in a bond fund at 7% interest compounded annually. How much money is in the account after 18 years... more
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03/06/15

Math word problme
A gallon of unleaded gasoline weighs about 6 pounds. About how many ounces does 1 quart of unleaded gasoline weigh?  
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03/06/15

If you rolled a 12 sided dice 12 times what's the probability of rolling a different number every time
  If you rolled a 12 sided dice 12 times what's the probability of rolling a different number every time
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03/06/15

I dont know how to do this
Joy is standing on the 40 foot cliff overlooking a river. The angle of depression to the near side of the river is 64°, and the angle of depression to the far side is 35°. How wide is the river,to... more
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03/05/15

Using logarithmic to solve for equation
given: populations of 2 towns Springfield: f(t)=200(2)^t/3 shelbyville:g(t)=500(1/4)^t/5 when will springfeikd and shelbyville have the same populatio? What is that populatio?
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03/05/15

How would I write this equation and how would I solve it?
INCLINED TREADMILL The number of calories burned for 1 hour on a treadmill going at a constant speed is a function of the inclined of the treadmill. At 4miles per hour a person on a 5° incline will... more
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03/05/15

Trigonometric Equations
What are the solutions to the equation 4sin(2x+5) + 3 = 3 - 2√2 in the interval [0, 360°)? Give the solutions in degrees.
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03/05/15

four red cards are numbered 1,2,3, and 4. Three black cards are numbered 5,6, and 7.
The cards are placed in a box and one card is selected at random.  What is the probability that a red card was selected given that the number on the card was an even number
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03/05/15

four people can build 4 sheds in fours hour,how many sheds can 8 people buil;d in 2 hours
help asap
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03/05/15

can you help me please?
You are drilling a well. The geological survey indicates there will be two main types of rock; one type is considerably harder than the other. You will be able to drill through the softer rock at a... more
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03/05/15

What is the percent of decrease in the gorilla population at the zoo
The city zoo had 5 gorillas. The manager traded one gorilla for a baby rhinoceros. What is the percent of decrease in the gorilla population at the zoo. 
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03/05/15

Five Workers are absent today. This is one fourth of all workers. How many workers are there?
I am have trouble translating language in pre-algebra word problems into equations.
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03/05/15

Trigonometric Equations
Find all solutions, in degrees, to the following equation:sin2x + 4sinx - 2.25 = 0The answer is x=__?__ + 2kπ or x = __?__ + 2kπ, where k is any integer.Give the expressions in the interval [0,2π)
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03/05/15

solve and check (a+5)^2=9
Please help... Solve and check the equation below by taking the sq root of both sides.  Also there's supposed to be two solutions and two checks which got me confused. Thanks in advance 
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03/05/15

How long should the bridge across the pond be?
A new bridge that is going to be built over a pond in the park so that visitors can walk across and rest on the benches on either side. There is a triangular walkway around the pond, and the... more
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03/04/15

Algebra Help
                                                              A cafeteria has two meal plans. One requires the worker to pay $20 for the card, and $1 each time x she uses it. The other plan... more
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03/04/15

find the area to the right of z=0.00
do not understand how to solve this problem. not sure which chart to look at
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03/04/15

Alan paid $2.94 for a liter of milk and two liters of fruit juice. He wanted to buy two liters of milk and one liter of fruit juice, but this would have cost $3
Alan paid $2.94 for a liter of milk and two liters of fruit juice. He wanted to buy two liters of milk and one liter of fruit juice, but this would have cost $3.12 and Alan only had $3. How much... more
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03/04/15

What was the population of Springfield after the move?
I don't get how to setup an equation to solve this problem.    Centerville and Springfield had the same population until 30 people moved from centerville to Springfield. After the move,... more
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03/04/15

Two rectangular pens made from 200 yards of fencing. Determine the dimensions that will produce the greatest area. The pens will be next to each other
Dimensions to produce the greatest area from 200 yards of fencing to produce two rectangular pens. The pens are to be next to each other
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03/04/15

Are all linear pairs supplementary?
If they are linear pairs ,are they always supplementary? Or should they always be supplementary?
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03/04/15

What is the greatest factor for 16 and 14
I need to know about greatest common factoring so can someone help me ASAP Thanks !
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03/03/15

mixture problem
a bag of powdered driveway sealant call for the addition of 5 quarts of water for every 30 pounds of sealant. How much water should be added if only 20 pounds of sealant will be used?
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03/03/15

which of the linear systwms has exactly one solution?
A. y=3x-5  y=3x+5   B. y=3x+6  y=3(x+2)   C. y=3x+4  y=3x-7   D. y=3x-1  y=-3x+1   Please show steps.
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