04/26/13

The two expressions (x+y)^2 and x^2+y^2 are equal for all real numbers x and y
Is the statement true or false ?
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04/26/13

Multiply and simplify the expression.
(5b-9)(5b+9)=?  
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04/23/13

how do I determine when the negative sign will be to the left of the entire fraction or next to the numerator or denominator
How do I determine when the negative sign will be to the left of the entire fraction or next to the numerator or denominator?   REVIEWING FOR PRE-ALGEBRA
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04/23/13

Want to see if I'm doing this question right and the calculations are also correct. I have done this question three times now and keep getting different answers
The formula is f(t) = P(1 + r/n)nt  $62,000 is invested in a CD with the interest rate of 25% Time in years is 18 the compounding periods  per year is quarterly and then they ask to do it... more
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04/23/13

2. One of the geo-stationary satellites of India is vertically above A. New Delhi B. Mumbai C. Allahabad D. None of these
2. One of the geo-stationary satellites of India is vertically above A. New Delhi B. Mumbai C. Allahabad D. None of these
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04/18/13

_Na + _H3PO4 ->
predict the product and balance the equation and name the type of reaction  
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04/18/13

A certain region is losing about 24 million acres of rain forest each year.
(a) Find a linear function f that calculates the change in acres of rain forest in millions in x years. Type an expression using x as the variable f(x)=? (Type an expression using x as the... more
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04/17/13

A family refers to a group of two or more people related by birth, marriage, or adoption who reside together.
In 2000, in Country A, the average family net worth was $380,000, and there was about 9.7 x 10^7 families. Calculate the total family net worth in Country A in 2000. Country A's total family net... more
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04/17/13

An investor invested a total of $2,100 in two mutual funds.
One fund earned a 6% profit while the other earned a 2% profit. If the investor's total profit was $74, how much was invested in each mutual fund? The amount invested in the mutual fund that... more
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04/17/13

The cost of driving a car includes both fixed costs and mileage costs.
Assume that it costs $171.90 per month for insurance and car payments and $0.27 per mile for gasoline, oil, and routine maintenance. (a) Find values for m and b so that y=mx+b models the monthly... more
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04/17/13

The number N of state and federal inmates in millions during year x,
Where x>2002 can be approximated by the following formula. N=0.05x-99.05 Determine the year in which there were 1.2 million inmates. It was in the year ?
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04/17/13

distance between plain a and plain b
plain a is traveling at a speed of 500 mph plane b is traveling 45mph slower than plain a when will plain a and plain b pass each other
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04/15/13

Solve using the square root property
I need help with this math problem. I know the answer is -8 and -2 I just don't know the steps to get there. If you could help me with this please. (x+5)^2 = 0
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04/15/13

What is the complete square of k^2-5k+c
Im having a hard time doing this problem, can someone help?
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04/15/13

Solve the equation
Solve the equation.   3/y2-10y+24    -    1/y2-16    =    6/y2-2y-24
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04/15/13

Combine the rational expressions
Combine the rational expressions.. Reduce your answer to lowest terms   2/x2 + 5x + 6   -   4/x2  + 4x + 3   +   3/x2 + 3x +2
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04/14/13

please help solve these
find the zeros of the function by using the zero product property for the... more
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04/09/13

explain x^2+4x-x-4 step by step please
How do I get the answer (x+4) (x-1), from x^2+4x-x-4? Please explain step by step. sharon
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04/09/13

how do you factor -2x^2+19x+48
the full problem is -2x^2+19x+48 divided by x^2 -3x-10 minus 6x-24 divided by x-5
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04/06/13

How to simplify (2n/(4k^5c^4))^3
Require a detail explanation on how to solve this problem
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04/06/13

symmetry of graph
f(x)=x+ 1/x^2 A)origin. B) y axis, origin. C) y-axis  D) no symmetry
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04/06/13

symmetry of graph
f(x) =5x^4-6x+2 A) x-axis B)x-axis , origin C)origin D)no symmetry
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04/06/13

determine the solution(s) to the equation x^2 +4x -5 = 0
equation for a parabola x^2 + 4x -5 = 0 Does this function have a maximum or a minimum? What are the coordinates of the vertex in (x,y) form? What is the equation of the line of symmetry for... more
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04/06/13

3x^2 +2x -16 =0 if a = 3 b=2 how can x =[-b +minus (b^2 - 4ac)] be /2a and I get 192 please reexplain
I don't understand this answer as if a = 3 b= 2 and c = -16 wouldn't a be 3 and wouldn't 196 be 192/6? Can I have it redone or explained a little more?
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04/01/13

Story problem
A square has an area of 4x^2+12xy+9y^2 square meters. What is the perimeter of the square?
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