08/06/15

The Temperature when it freezes is 32 degrees Fahrenheit. What temperature is 40 degrees below freezing?
 I need thes                                                                                                                                                                 Equation:              ... more
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08/06/15

The variable Z is directly proportional to X. When X is 12, Z has the value 228. What is the value of Z when X = 18
 The variable Z is directly proportional to X. When X is 3, Z has the value 57.What is the value of Z when X = 8
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08/06/15

explain why the equation (3x+4)+4=(5x-4)+4 also has the solution set {4}
i need help
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08/06/15

Quick Math Word Problem
I am having a brain freeze, I can't figure out a way to solve the following word problem and its leaving me so dumbfounded. Juan can do a job in 5 hours. Juan and Carmen working together can do... more
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08/03/15

The sum of 2 consecutive numbers is 37. Find the numbers.
The sum of 2 consecutive numbers is 37. Find the numbers.If x represents the smaller integer, then the larger integer isA: x + 1B:x + 2C: 2x + 1
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08/02/15

how far apart were the cars after 4 hours?
two cars started from the same point. one traveled at 50 mi/h and the other traveled went at 65 mi/h. round the nearest tenth to a mile.
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08/02/15

what error did they make?
a class writes the equations n+n+1+n+2=87 to solve the following problem. the sum of 3 consecutive odd integers is 87. Find the three integers.
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07/30/15

8/7 x 9/45 x 5/8 x 9/72
What is the rule for multiplying multiple fractions. ? I don't even know where to begin.
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07/30/15

7/11 x + 21 = -889
I was thinking I subtract 21 from both sides of the equation. Then I have to deal with the fraction. I use 11/7 as the reciprocal. When I went to check the answer on the calculator, I got a huge... more
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07/30/15

How many combinations of soccer uniforms does Cory have? What is the fundamental counting principle?
Cory has 3 soccer jerseys, one each in black, purple, and silver.  He has two pairs of socks, one black, one silver.  How many combinations of soccer uniforms does he have?  Use the fundamental... more
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07/30/15

Is the probability that she will select a white marble closer to 0, 1/2, or 1? What is P 9white)?
A container has 2 green, 4 yellow, and 5 white marbles.
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07/30/15

Simplify the following expression using positive exponents. (a^4b^-3)/(ab^-2)
Simplify the following expression using positive exponents. (a^4b^-3)/(ab^-2)   I think the answer is a^3/b but I am a little confused on how to properly get there.
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07/30/15

Say the answer in the back of the book is -(x+3)(x-10) is (x+3)(10-x) also correct?
1.Say the answer in the back of the book is -(x+3)(x-10) is (x+3)(10-x) also correct?   2. A rock fall from a tower that is 464 feet height. as it is falling, its height is given by d formula... more
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07/29/15

The mean,median,and mode are all equal for the set {3,4,5,8,x} What is the value for x?
 I know that you can solve this with geometric sequence.
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07/29/15

Solve equation for t.
h=-16t2+gt+b   answer must be in integers or fractions (two answers)
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07/29/15

Product of two consecutive even integers
Product of two consecutive even integers is 528. Find the integers. (Positive and negative)
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07/29/15

Can x^2+7x+3 be factored using integers?
I'm having trouble figuring out if x^2+7x+3 can be factored using integers because i've written out the p, q, p+q and pq, but i can't seem to come up with an answer that makes sense. Any guidance... more
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07/29/15

A roll of Scotch Tape has a diameter of 2.9 inches when new and 1.4 inches when used up. What is..
A roll of Scotch Tape has a diameter of 2.9 inches when new and 1.4 inches when used up. What is the diameter when it is half used up? I know the answer, it's aprox 2.28 inches. But, I don't know... more
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07/29/15

Answer this word problem...
Mrs. Hwang is taking her vehicle to the shop to have the gas tank expanded by 10 gallons. Now, it costs her $42.56 to fill the tank. Once the new tank is in, it will cost her $72.96. How large is... more
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07/29/15

find how many kilometers they traveled by bike.
George and Carmen went on a bike ride. they took a bus to their starting point, and then biked the rest. they traveled 275 kilometers in total, and they biked 55 kilometers more than they were... more
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07/28/15

Find the original price of a pair of shoes if the sale price is $48 after a 60% discount.
Help me solve this question, and help me get the answer
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07/28/15

How to find the probability of a dice roll
2 dice are rolled and the numbers on the top faces are recorded. What is the probability that the sum of these numbers is at least 7?
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07/28/15

How to find the percent increase in a word problem?
At a cell phone store the number of phones sold in August increased by 20% over sales in July. Sales of phones increased in September by another 10% over sales in August. What was the overall... more
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07/27/15

factor completely the trinomial a^2+4ap-32p
1. factor completely the trinomial a^2+4ap-32p   2. solve the inequality. graph the solution set and write it in interval notation |x| less then equal to 12 
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07/27/15

two trains leave at 3pm and head 50 miles to Chicago. Train A travels twice as fast as train B and arrives 1 hour ahead. Find the speed of each train
Word problems
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