12/12/14

Algebra Math Question
Train A leaves dogtown headed to Rockville at 50mph.  At the same time train B leaves Rockville headed to Dogtown at 40mph.  Rockville is 1,000 miles from Dogtown.  How many hours until the trains... more
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12/11/14

Help Solving this equation
1/3(x-5) + 5/6(x+1) = x-2   Here is where I got to, feel free to correct me if its all wrong   I distributed everything and got the following;   1/3x - 5/3 + 5/6x + 5/6 = x-2   Then I... more
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12/11/14

The sum of 1/2 of a number and 1/6 of a number is 12.Find the number.
Label your variables, write an equation, and solve. Show your work.
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12/11/14

Simple division problem I am not grasping. z^3-125 / z-5
I know the answer is z^2 + 5z + 25 but where does the 5z come from? 
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12/11/14

The value of a fraction is 4/3 and its numerator is 8 more than its denominator.Find thefraction.
Label your variables, write an equation,and solve.Show your work
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12/11/14

find (f*g)(6) f(n)=2n-5 g(n)=n^2-3n
Complicated
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12/11/14

Points A, B, C, D, and E, are collinear. AB=2x+4, BC=3x-12, CD=2x+4, DE=5x-21, AE=119
I NEED HELP IN GEOMERTY
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12/10/14

In a thunderstorm, lightning strikes the ground 2 miles away from you. The speed of sound is 0.214 miles per second. how many sec. to hear thunder
I really need help please 
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12/10/14

five times the sum of c and 18
five times the sum of c and 18  
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12/10/14

A jar of pennies and nickles is worth 11.20 . There are three times as many pennies as nickles. How many pennies are in the jar?
the possible answers are a 260 b 420 c 580 d 640
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12/10/14

A half of what johns age was 4 years ago is equal to one third of what it will be in 5 years time. How old is John now
The chapter is about algebraic manipulation 
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12/10/14

Question in description!!!!!
Victoria is 119 miles away from Rachael. They are traveling towards each other. If Rachael travels 5 mph faster than Victoria and they meet after 7 hours, how fast was each traveling?
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12/10/14

Calculus Help
an object is fired vertically upward with an initial velocity v(0) = v0  from an initial position s(0)=s0. Answer part A and B below.  A. For v0=39.2m/s and s0=27m find the position and velocity... more
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12/09/14

Question in description
and then last one Alice left the study group traveling 12 mph. Then, 2 hours later, Jennifer left traveling the same direction at 18 mph. How long until Jennifer catches up with Alice?!!!!
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12/09/14

A car rental company's fees are shown.
Suppose you rent a car using Option 2.  Write an expression that gives the total cast in dollars for driving m miles.  Then find the cost for driving 150 miles.     Car Rental Prices Option 1  ... more
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12/09/14

a car is traveling 8 mph to a location and 6 mph back trip is 7 hours in total what time did the car spend at each speed???
I can not figure this out! Spent hours of trying to find a way to even begin answering! Please help! Explanation too please!
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12/09/14

find 4 points
Y=3over2x-2
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12/09/14

t^2-30=-79
Not sure where to go from t^2=-49   I am aware of how to use "i"
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12/09/14

Please assist me with this question.
Find the mean of the following numbers:24,65,25,24, and 28. Then eliminate the largest value and find the mean of the remaining numbers
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12/09/14

How do I solve the following problem? Connor ran in a race on Saturday. After completing 2/3 of the race, he had run 3/4 mile. How long was the whole race?
Connor ran in a race on Saturday. After completing 2/3 of the race, he had run 3/4 mile.How long was the whole race?
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12/08/14

if y=9 when x=-3 find x when y=6
if y=9 when x=-3 find x when y=6 
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12/08/14

college algebra investment help asap!!!
how much more will an investment of $15,000 earning 6.5% compounded continuously for 5 years earn compared to the same investment at 6.5% compounded monthly for 5 years?
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12/08/14

How do you find the perimeter of an equilateral triangle that has variables in on three sides?
One side of the triangle is 7x-17, another side is 4x-5, and the final side is 2x+3. How do I go about finding the perimeter of this equilateral triangle.
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12/08/14

Solve the problem
The function A=A0e-0.01386x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If... more
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12/08/14

Which is equal to
Which is equal to 3√54 - 4√24?   A. -√6 B.√6 C.11√6 D.-11√6
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