01/13/14

sec(arctan(3/4))
How do you solve this?
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01/13/14

If you had $100.00 invested in a savings account that is compounded annually and yields 3% interest, how much interest would you have accumulated in 30 years? A
I'm stuck on this question and i need the answer to this investment question.
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01/13/14

can you help me with a word problem
Cate wants to buy a new bike. For every $7 she contributes her parents will contribute $3 if cate contributes $203 she has earned from her part time job how much will her parents contribute  
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01/13/14

Which equation in point slope form passes through the point (-1,6) and has a slope for 2/3
Very appreciated if helped right now.
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01/13/14

show x=2-3i is a solution of x^2-4x+13=0
Don't know how to solve this one either
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01/12/14

how do i similify a nonperfect radical expression?
I do not understand this
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01/12/14

vertex of parabola
Select the x coordinate of the vertex of the parabola defined by the function: f(x)=-5x^2+3x+2   A. -5/3 B. 2 C. 3/10 D. -3/5   I keep coming up with 0. I know I have missed a step, please... more
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01/12/14

help in solving by completing the square
I am trying to solve 2x^2 + 3x =20 by completing the square.   I rewrote it to be 2x^2 - 3x + 20 = 0   then started with 2x^2/2 + 3x/2 + 20/10 =   x^2 - 3/2x + 10 = 0   how do I continue?
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01/11/14

Find an antiderivative?
Find an antiderivative of f(x)=e^(x+e^x).   Answer: e^e^x.   Here's the work: f(x)=e^x*e^e^x u=e^x du=e^x dx   How should I set up the integral with this u-substitution? Please show all... more
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01/11/14

multiplication
what number would you multiply by 6 3/4 to get 1
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01/11/14

difference
5/11 - 2/7 what is the difference
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01/11/14

mixed number and fraction
1 3/4 x 1/2
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01/10/14

how do I identify the minimum
using y = x^2 - 4x -32 how do I identify the minimum?    how do I find the x-intercepts by factoring?   please show steps.     appreciate your help!
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01/10/14

how to identify the axis
how would I identify the axis of symmetry and the vertex using             y = x^2 - 4x -32     please show steps
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01/10/14

how do I identify a parabola
  using y = x^2 - 4x -32 how do I identify if the parabola opens up or down so I can explain the conclusion.     Thank you
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01/10/14

solving tables
How do I solve f(x) = x^2  for this table:                  x                    0             +  1                       + 2                       + 3               ... more
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01/10/14

Find the area?
Find the area of the region enclosed by the polar curve r=sin(2θ) for 0≤θ≤pi/2.   Answer: pi/8   Please show all your work.
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01/10/14

how to solve the linear equation 5x+10=1,100
I need to slolve  this as a linear equation and graph and I have no idea how.
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01/09/14

using the compound interest table, calculate the compound amount after 5 years for an investment of $7,700 at 6% interest compounded quarterly
I need the answer because I dont understand how to solve the problem
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01/09/14

How do I solve a linear system
In Algebra 1 we're working on solving linear systems, to problems like "x=y+3 2x-y+5" And I don't even know where to start.
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01/09/14

I am doing substitution, linear combination in algebra and I need a calculator to do my HW
I NEED HELP!!!!! THIS IS DUE TOMORROW!!!!!
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01/08/14

how would i go about solving the following equation?
how would i go about solving the following equation?   4 > z < 3   PLEASE HELP with a step by step solution!
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01/08/14

How long will it take two different air conditioners to cool a room 5 degrees?
A small air conditioner can cool a room 5 degrees in 75 minutes. A larger air conditioner can cool the room 5 degrees in 50 minutes. How long will it take to cool the room 5 degrees with both air... more
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01/08/14

4 7/8-4 4/6
adding & subtracting fractions
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01/07/14

logrithms help
Two cell divisons per day implies that the number of cell divisions in ( T ) days is 2*T cell divisons. This means that the equation we can use is C(T) = 10*22*T   for T days. How many days will it... more
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