01/21/14

How would I do 2^-3?
2-3 I don't get the concept of negative exponents.
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01/21/14

(1 pt) Use synthetic division and the Remainder Theorem to evaluate P(c) , where
Use synthetic division and the Remainder Theorem to evaluate P(c) , where  P(x)= x^3-5x^2+11x-16 C=2   the quotient is? the remainder is? P(c) is? please show step by step 
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01/21/14

x-4y=8-x+4y-8=0 Help me!!
I am having a very difficult time with these equations. Please show every step needed to figure this out. I have been doing this now for about 6 hours and STILL cannot figure it out! The problem... more
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01/21/14

interest rate
Your traditional IRA account has stock of GFH, which cost $2000 20 years ago when you were 50 years old.  You have been very fortunate, and the stock is now worth $23000.  You are in the 35 percent... more
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01/21/14

investment
Graduating seniors may earn $45000 each year.  If the annual rate of inflation is 2 percent, what must these graduates earn after 20 years to maintain their current purchasing power?  If the rate... more
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01/20/14

Word problem help plz!
This is purely for me wanting to learn more math, this is not an assignment or test Q, I just want to improve my word problem ability, please help :(   A company currently sells 600 units of the... more
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01/20/14

(2x+12)^2/3-3=13
solve and check for extraneous solutions  
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01/20/14

Find this integral?
Find the integral of 3/x^2 dx from -1 to 1.    Answer: nonexistent   Please show all your work. 
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01/20/14

log2x+log4x=2
Hi, Not really sure how to solve this logarithm.    Log2x+log4x=2   Many thanks
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01/20/14

what is the whole number for 2.5
i'm working on  a math problem. I says: write the whole number for 2.5  
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01/20/14

isolating the letter C =b(1/c-1/d)
A= b(1/c-1/d)
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01/20/14

please help solving a sqrt root using division
  would you please help me simplify and solve     √18÷√8 - 3   I started with √18 · √18 + 3                      ___________                     √18 - 3 · √18 + 3   then got √(18)(8) +... more
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01/20/14

please help simplifing sq rt problem
    would you please help me simplify and solve         √135b^2c^3d  ·  √5b^2d       thankyou
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01/20/14

help solve missing side of triangle
please help me solve to find the missing side of a triangle.  One side is 1/2x + 11 and the other side is 2x + 1.  The missing side is labled as ,x, .   Would I start as a^2 + b^2 = c^2?
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01/20/14

investment
a saver wants $100000 after 10 years and believes that it is possible to earn an annual rate of 8 percent on invested funds.  a what amount must be invested each year to accumulate $100000 if 1 the... more
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01/20/14

investment
at the end of each year a self employed person deposits $1500 in a retirement account that earns 10 percent annually. a How much will be in the account when the individual retires at the age of 65... more
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01/19/14

How can inequalities be related to and solve problems with triangles?
How can inequalities be related to and solve problems with triangles?
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01/19/14

How do you use coordinates and algebraic techniques to interpret, represent, and verify geometric relationships?
How do you use coordinates and algebraic techniques to interpret, represent, and verify geometric relationships?
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01/19/14

-3x + 4y =76x + 5y =57
i have no idea what im doing. i missed a day and now my teacher wont tell me how to do this
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01/19/14

(x+2)^2=-7 solvve
please show me step by step how to solve this equation. I need to know the square root property. thank you Sonya
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01/19/14

investment
you are offered $900 five years from now or $150 at the end of each year for the next five years.  If you can earn 6 percent on your funds, which offer will you accept?  If you can earn 14 percent... more
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01/19/14

interest earned
you are offered $900 five years from now or $150 at the end of each year for the next five years.  If you can earn 6 percent on your funds, which offer will you accept?  If you can earn 14 percent... more
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01/19/14

amount of interest earned
bob places $1000 a year in his IRA for ten years and then invests $2000 a year for the next ten years.  Mary places $2000 a year in her IRA for ten years and then invests $1000 a year for the next... more
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01/18/14

8!/5!*7!/7!10!
just solve it
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01/17/14

Write the equation of the line which passes through (1, 2) and with slope of - 1 3 in standard form.
I have already completed the question but I am confused on how I got the the answer. y−y1 = m(x−x1)y−2 = -1 3•(x−1)y−2 = -1 3x+13   13x+y = 73   3• 1 3 x+3•y = 3•73   x+3y = 7   How did... more
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