02/11/15

Find the lowest common denominator for the fractions shown. 8/51, 19/85
Find the lowest common denominator for the fractions shown. 8/51, 19/85
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02/11/15

x=y^4-1 not sure how to approach this problem
"Given that x=y4-1, solve this for y and state whether it is a function or not."
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02/11/15

The sum of two numbers is 38 and the difference is 8 . What are the numbers?
Please help me, much appreciated.
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02/11/15

How to solve this problem
Christopher orders a 3 topping pizza for $15.25, and a 5 topping pizza for $17.75. Write and solve a system of linear equations to find the price of a plain cheese pizza (no toppings) and the cost... more
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02/11/15

in one college class, 60% of the students made over 80 on a test. if 15 students made over 80, how many were in the class?
college algebra midterm and study guide for final. having a hard time understanding the questions. please help
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02/11/15

James' present age is x. Two times James' age 3 years ago is 24. Which equation can be used to find James' present age?
Which equation can be used to find James' present age? What is James' age?
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02/11/15

How far is it from Central City to Clear Creek?
It takes a passenger train 2 hours less that it takes a freight train to make the trip from Central City to Clear Creek. The passenger train averages 96km/h while the freight train averages 64... more
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02/11/15

What is three times two to the power of three all to the power of three?
What is three times two to the power of three all to the power of three?   a. 100,776 b. 13,824 c. 7,964 d. 3323  
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02/10/15

A caro ship is 4.2 miles from a lighthouse, and a fishing boat is 5.0 miles from the lighthouse.
A caro ship is 4.2 miles from a lighthouse, and a fishing boat is 5.0 miles from the lighthouse. The angle between the straight lines from the lighthouse to the 2 vessels is 5 degrees. the... more
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02/10/15

help my description
The doorsill of a campus building is h = 6 feet above ground level. To allow wheelchair access, the steps in front of the door are to be replaced by a straight ramp with constant slope 1/10, as... more
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02/10/15

How much ice is required to cool a 10.0oz drink from 73°F to 33°F, if the heat capacity of the drink is 4.18 J/g°C?
Express answer using two significant figures    Also, assume that the heat transfer is 100 % efficient.
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02/10/15

How much heat in joules is required to heat a 46g sample of aluminum from 73°F to 140°F?
 Express answer in two significant figures 
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02/10/15

please help me solve this.
115,000 J of heat are added to a 82.7 g sample of ice @ -28.5 degrees celsius. Determine the final temperature and the grams of each phase present after the water absorbs all of the heat.
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02/10/15

A bag contains 5 white marbles, 3 red, 6 blue and 2 yellow. You pull one marble out and put it aside then draw another marble. What is the probability that no m
A bag contains 5 white marbles, 3 red, 6 blue and 2 yellow. You pull one marble out and put it aside then draw another marble. What is the probability that no more than one marble is white
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02/10/15

Compare the kinetic and potential energies of a 400 kg box being moved horizontally by a forklift at a speed of 5 m/s. The box is at a height of 1 m.
Compare the kinetic and potential energies of a 400 kg box being moved horizontally by a forklift at a speed of 5 m/s. The box is at a height of 1 m.
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02/10/15

what can u conclude about the system of equations
Y=3x-7 Y-3x=5 What can you conclude about the system of equations? A. The system of equations is inconsistent B. The system of equations is dependent C. The system of equations is... more
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02/10/15

word problem
a rectangular parking lot has a length that is 3 yards greater than the width the area of the parking lot is 270 square yards what is the length and the width?
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02/10/15

(2x+1)^2-10(2x+1)+25
From the textbook.
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02/10/15

Simplify the expression
Simplify the expression, if possible. Assume that the variable can be any real number, and use absolute value symbols when necessary. (If the solution is not a real number, enter NOT... more
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02/10/15

How to solve this word problem
You have a coupon for $50 off your camera purchase of $100 or more at Zeke's Camera world. Write a function relating a camera's purchase price after coupon, y, to the retail price, x. Give the... more
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02/09/15

Find the limit
limit as x--> 0 (8/(xcot5x)
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02/09/15

cindy had three consecutive even integers she found that the product of their sum and 3 was 20 greater than 8 times the third integer what were cindys integers
 i need to solve it
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02/09/15

How much energy (in J) is lost when a sample of iron with a mass of 26.0 g cools from 76.0 °C to 23.0 °C?
Express your answer with the appropriate units
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02/09/15

How many kilowatt-hours of energy are necessary to heat the air in the house from 9°C to 29°C? The heat capacity of air is 1.03 J/g°C.
A room contains 46kg of air. Express your answer using two significant figures.
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02/09/15

Question about algebra
q(x^(p-1)) = p(x^(Q-1))Factor out an (x - 1) and subtract rhs from lhs to get,(x - 1){q(x^(p-1) + x^(p-2) + ... + 1) - p(x^(q-1) + x^(q-2) + ... + 1)} > 0How do you justify the next line if we... more
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