04/12/13

Write the expression in standard form
7.8 x 10^6  
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04/12/13

Use the formula for compound interest to find A
A= P(1+r^n) P=$30,000,r=0.14, and n= 3years At the end of 3 years A is how much in dollars ? (round to the nearest cent) 
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04/12/13

What is the relationship between the roots of a quadratic, and the x-intercepts of the quadratic?
i need to understand this concept for school
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04/12/13

(4x)(x^9)^3
Simplify the expression (Simplify your answer. Use integers or fractions for any numbers in the expression.)
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04/11/13

having problems solving problems step by step (equations algebraically) and really need some help on this issue
t and 2 3rds = 4 5 sqrt x+ 1 = 3 2/3 =2 - 5x-3 over x-1  
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04/10/13

how do i Find the inverse function of f(x), where f(x) = 5x - 3 - 7x + 8?
Find the inverse function of f(x), where f(x) = 5x - 3 - 7x + 8.
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04/09/13

(1249/x)/6.849=39.08
please only answer if it's free. i can't afford to hire a tutor.  thank you for your time.
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04/09/13

Can you define the variable(s),generate an equation,and solve a word problem for me?
The amount of time it takes to build a retaining wall is inversely proportional to the number of brick masons working at the site. It takes 6 brick masons 13 hours to build the wall. How long would... more
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04/08/13

Solving and graphing the compound inequalities?
1.     x < 1 and x > -3   2.    x < 4 or x > 6    
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04/08/13

Dividing fractions?
2y5    Divided by 5y5z4 z4                                  7
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04/08/13

When the second equation is subtracted from the first, the resulting equation is _____.
3x - 4y = 7 3x + 2y = -5
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04/05/13

An investor invested a total of $2,600 in two mutual funds.
One fund earned a 7% profit while the other a 3% profit. If the investor's total profit was $138, how much was invested in each mutual fund?         The amount that was invested in the mutual... more
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04/05/13

Physics question
Suppose the two speeds of a two canoes after they are pushed apart are 0.60 m/s for canoe 1 and 0.45 m/s for canoe 2.  if the mass of canoe 1 is 350kg, what is the mass of canoe 2?
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04/04/13

Suppose that the elimination method results in the equation 0=0
What does this indicate about the number of solutions to the system of equations.   (a) The system has infinitely many solutions. (b) The system has three solutions. (c) The system has two... more
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04/04/13

How do you graph linear equations?
How do I graph this linear equation?  y = -x
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04/03/13

Given that f(x)=4X-12, what was the input for the function so that f(x)=8?
I need help with Math pleaseeee
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04/03/13

3x^2+12x+3
solve for X  
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04/03/13

Solve for the proportion for X
X-8/4= 5x-10/24
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04/03/13

What is the value of the y-coordinate of the solution to the system of equations below?
7x-6y=-1 5x-4y=1
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04/03/13

d=vt+1/2at^2
Students are using the following formula in their high school physics class. They want to rearrange the formula so that 'a' is solved for. What would they get? Algebra honors  9th Grade
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04/02/13

Algebra 2 help?
1. x^3 times x^-7 2. (-1/5)^0 3. (15x^-1y^2/5xy^-4)
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04/01/13

What is 3/4(Square Root of 45)?
Change each radical to simplest radical form
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03/29/13

|w|+3=9 can you explain how to work this problem
the answers are in the back of my book wich are {-6, 6} but I don't know how they got them
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03/29/13

f(x+h) for the function f(x)= 3x^2-5x
find f(x+h) for the function f(x)= 3x^2-5x
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03/27/13

How is the intersection of - graphs method- used to find a solution to two equations?
How do we express the solution to a system of equations in two variables?
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