01/28/15

Simplify the following expression. (x + 8)^3
Simplify the following expression. (x + 8)^3   I have the answer as x^3+24. Is this correct?
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01/28/15

word problem
Two angles are supplementary if their sum is 180 the larger angle measure four degrees more than three times the measure of a smaller angle if x represents the measure of the smaller angle and... more
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01/28/15

If x = 3a + 7 and y = 9{a^2}, what is y in terms of x ?
I do not know where to start.
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01/28/15

lim h?0 h2 + h 6h2 + 3h
Calculate the limit algebraically.   If the limit does not exist, say why. (If the limit does exist, so state.)
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01/28/15

How to find the maximum revenue from a word problem.
A model for a company's revenue from selling a software package is R(p)=-2.5p^2+550 p, where p is the price in dollars of the software. What price will maximize revenue? Find the maximum revenue.
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01/28/15

Linear function
Your friend has a check for $1000 after a 55 hour work week. However, every hour past 40 is considered overtime and is paid 1.5 times the usual wage. How much is your friends usual wage?
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01/28/15

word problem
a dealer has some hard candy worth $2.00 a pound and some worth $3.00 a pound. he wishes to make a mixture of 80 pounds that he can sell for $2.20 a pound. how many pounds of each kind should he use?
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01/27/15

How do i solve this word problem
with a head wind, plane traveled 1000 miles in 4 hours. with the same wind as a tail wind, the return trip took 3 hours and 20 minutes. find the plane's speed and the wind speed?  
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01/27/15

Systems of Linear Equations
a birding club holds an annual photography contest. After a set time limit in a park, contestants receive 4 points for photos of songbirds and 20 points for photos of birds of prey. Last year's... more
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01/27/15

the sum of two whole numbers is 19. the product of the numbers is 84. what are the two numbers?
The sum of two whole numbers in 19. The product of the numbers is 84. What are the two numbers? 
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01/27/15

how do I factor 54x^3+2y^3
54x2+2y2
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01/27/15

word problem
A jet flew at an average speed of 480 mph from Point X to Point Y. Because of head winds, the jet averaged only 440 mph on the return trip, and the return trip took 15 minutes longer. How many... more
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01/27/15

word problems
a dealer sold 200 tennis racquets. some were sold at $18 each, and the rest $33 each. the total receipts from these sales were $4800. how many of each racquets were sold?
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01/27/15

Two small pitchers one large. 8 cups of water. Large minus small is 2 cups.
Two small pitchers and one large pitcher can hold 8 cups of water. One large pitcher minus one small pitcher constitutes 2 cups of water. How many cups of water can each pitcher hold?
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01/27/15

a fish has a head 6 inches long and its tail was as long as its head and half of its body and its body was half of its whole length. How long was the fish
I really need help I don't get it
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01/27/15

If x is the width of the page, find a function in the variable x, giving the area of the printed page.
A book has 1 inch margins at the top and bottom and .5  margins on the sides and an area of 50 inches squared.
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01/27/15

If a wagon wheel had 15 more spokes, the angle between spokes would decrease by 2°. How many spokes does the wheel have
I need help with college algebra please
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01/27/15

A water tank, having the shape of a rectangular prism of base 100 square cm, is being filled at the rate of 1L per minute.
What is the rate at which the height of the water in the tank increases? Answer is to be expressed in cm per minutethe conversion is 1 liter =1,000 cm^3
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01/26/15

For the linear function f(x) = ax + b. if f(-3) = -1 and f(x + 1) - f(x - 1) = 28, What is the value of f(2)!
This is a linear function that was given to me by my teacher and I don't no how to answer it so can u please help me 
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01/26/15

question is in description
At the North Fair you earn 9 points for each bull's eye you hit, but you lose 7 points for each miss. After 25 tries, Linda has 33 points. How many hits did she have?
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01/26/15

solve for x- rational equation
(3/(x=2))-1/(5x)=1/x
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01/26/15

In angle ABC, angle A=47, and angle C=41. What's angle B?
Geometry word problems
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01/26/15

If a - b = 17.5 and a + b = 10 what is the value of {a^2} - {b^2}
I don't know where to start
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01/26/15

You invested $6000 at 4.5% and 5.5% simple interest. During the first year, the two accounts earned $305. How much did you invest in each fund?
You invested $6000 at 4.5% and 5.5% simple interest. During the first year, the two accounts earned $305. How much did you invest in each fund? (Note: the 5.5% account is more risky.)
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01/26/15

there are twice as many nickels as dimes and twelve less quarters than nickels in a pile of coins. Together they make 11.70. How many of each coin is there
I can set up the problem but once I go to work it out, nothing works out. Obviously I'm doing something horribly wrong. Help
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