12/09/14

A car leaves Tower City and travels 600 mi.The return trip is made at a speed that is 10mph faster. Total time for the round trip is 22 hr.
can you find the speed on each part of the trip.
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12/08/14

The area of a rectangle is 52 and its perimeter is 34. Find the difference between its height and its width
The area of a rectangle is 52 and its perimeter is 34. Find the difference between its height and its width
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12/08/14

What is the value of ?
What is the value of 165/4?
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12/08/14

what is the smallest positive integer n for which 324 is a factor of 6 power n
sir can u show me a good trick for this?
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12/07/14

Find two consecutive integers such that twice the lesser integer increased by the great integer is 49
I hardly understand the question itself, I hardly even have the slightest idea how there is a possible answer. I think the question is asking two find two integers that are consecutive and then... more
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12/07/14

simplify square root 32+ square root 72
Ive never worked a problem like this it looks like this 32+72 with the square root symbol above both number 
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12/07/14

If you are dealt 8 cards from a shuffled deck of 52 cards find the probability of getting 4 queens and 4 kings
If you are dealt 8 cards from a shuffled deck of 52 cards find the probability of getting 4 queens and 4 kings
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12/07/14

Dimensions Problem
 A roll of chain-link fence is 800 ft ling.  What are the maximum dimensions of a rectangular field that can be enclosed with this fence?  What is the maximum area of this field?
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12/07/14

If gas costs 10 pesos per liter and the gas tank holds 20 gallons, how much does it cost to fill up the tank (in US dollars) if $1 is worth 12 pesos?
If gas costs 10 pesos per liter and the gas tank holds 20 gallons, how much does it cost to fill up the tank (in US dollars) if $1 is worth 12 pesos?
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12/06/14

Use of equation problem
Katie: "Think of a number. Add 6. Multiply by 5. Subtract 28. Double it. Add 16. Multiply by 5. Subtract 50. Double it. Now tell me your result."       Jeff: "900."       Katie quickly... more
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12/06/14

Select the approximate values
Select the approximate values of x that are solutions to f(x) = 0, wheref(x) = -9x2 + 6x + 5.
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12/06/14

Probability
If you roll 5 six-sided dice what is the probability of rolling only one 6? what is the probability of rolling one or more 6's?   I don't understand how to find the total amount of outcomes much... more
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12/06/14

What was the speed of the wind? What was the speed of the plane in still air?
against the wind a small plane flew 858 miles in 2 hours and 10 minutes. The return trip took only 1 hour and 50 minutes. What was the speed of the wind? What was the speed of the plane in still air?
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12/04/14

What should be the selling price be in order to maximize revenue?
A company is selling sweaters as a fundraiser. They sell 1200 a year at $20 each. They are planning to increase the price. However, a survey indicates that for every $2 increase in price, there... more
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12/04/14

the sum of three consecutive numbers is 60. Find the numbers.
find three consecutive numbers whose sum is 60.  I tried this problem and keep getting it wrong.  Please help!
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12/04/14

Math Equation
A rectangular rug is placed on a rectangular floor. The width of the floor is 6 feet greater than the length, x, of the floor. The width of the rug is 4 feet less than the width of the floor. The... more
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12/04/14

Please help me solve this and show me how you got the answer? Thank you.
The density of gold is 19.1 g/cm3. What is the mass of 16 liters of solid gold?
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12/04/14

solving inequalities
6-5x>1-4x
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12/04/14

solve the equation 5^3x-2=(1/25)^x
the 3x-2 is all one exponent
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12/04/14

Solve the formula for 'H'
Wall frames are often stabilized with diagonal braces during the building process. The length of the brace is 'L', as shown in the formula.   L=√(H2+W2)
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12/04/14

It takes a small sprinkler 15 min longer to soak a lawn than it takes a large sprinkler.
Working together, the sprinklers can soak the lawn in 4 min. How long would it take each sprinkler, working alone, to soak the lawn?
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12/04/14

Write an equation that using the variable t to represent the time it takes to paint the room together that can be used to solve the problem.
Kristen can paint a room in 20 hours. Karissa can paint the same room in 12 hours. How long does it take for both Kristen and Karissa to paint the room if they are working together?Write an... more
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12/03/14

need help on this word problem?
there are 318 fiction books in the library. the number of nonfiction books is 47 less than double the number of fiction books, about how many nonfiction books are there in the library?
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12/03/14

Solve for y: (30y/20+3)/15=(y+2)/10
Confused about how to solve this equation with a fraction that also has variable as the numerator. I'm trying to cross multiply but am not sure if that's right. 
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12/03/14

Use the change-of-base property
Use common logarithms or natural logarithms and evaluate to four decimal places.   log1776.6               ( answer is 1.5313 but i need help step by step on how they got this answer)
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