How do you add rational expressions with different denominators and numerators?
The problem is :
(3x+3/x^2+2x+1)+(x-1/x^2-1)
^2=squared
ive been on a lot of math help websites but I cant seem to figure out how to solve this
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08/17/13
(x+k)2=z^2+ax+a
if (x+k)2=x^2+axA for some nonzero constant a, what is the value of k?
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08/17/13
write the equation in standard form for the line that is perpendicular to the graph of y=5x+1 and has a y-intercept of 4
its a math question
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08/16/13
The two solutions of the quadratic equation 3x^2-x+k are p/4 and p+1. Find the values of p and k.
Having trouble with this problem:
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08/13/13
how do I evaluate natural log functions
also, how do I simplify e^[ln(5x-1)]
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4
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08/10/13
simplify v(4x^(2)+12x+9)
a. |2x+9|b. |2x+1|c. |2x+3|d. |4x+3|
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08/10/13
simplify (-3v(24))(5v(20))
a. 15√(480)b. -15√(480)c. -60√(30)d. -240√(30)
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08/10/13
how would i translate
seven times a number, added to the sum of the number and eight
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08/08/13
simplify (xsquared) (xcubed) (xpower of 5) (xpower of 0)
a. xpower of 30
b. xpower of 10
c. x power of 0
d. 1
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08/08/13
factor 8xcubed+27 completlely
a. (2x+3)(4xsquared+6x+9)
b. (2x-3)(4xsquared-6x+9)
c. (2x+3)(4xsquared-6x+9)
d. (2x-3)(4xsquared+6x+9)
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08/08/13
factor x squared-7x-30 completely
a. (x-1)(x+30)
b. (x-5)(x+6)
c. (x-10)(x+3)
d. (x+2)(x-15)
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08/07/13
How do you solve and graph an inequality if there are 2 inequality signs?
-1<3-5m<3
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08/07/13
f(x)= square root x + 2 - 3
how do you find the domain and range of this equation? I have already graphed the equation, but I don't know how to find the domain and range of this equation.... please help me. I need the answer.
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08/07/13
find the minimum value for the equation c=-2x+y given the following constraints
x greater than or equal to 0
y greater than or equal to 0
x+y less than or greater to 7
5x+2y less than or greater to 20 a. 12 b. -8 c. 7 d.. -10
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4
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08/06/13
identify which matrix you would multiply both sides by to solve the system of equation above
|3 6| |x| |2|
x =
|2 7| |y| |3|
a. |1/3 1/6| b. |1/2| c. |7/9 -6/9| d. |1/2 1/3|
|1/2 1/7| |1/3| |-2/9 3/9|
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08/06/13
find the minimum value for the equation c=-2x+y given the following constraints
x greater or equal to 0
y greater than or equal to 0
x+y less than or equal to 7
5x+2 less than or equal to 20 a. 12 b. -8 c. 7 d. -10
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2
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08/06/13
identify the solution of the inequality
|x+3|-3greater than or equal to 1
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08/06/13
find the value of x in the following system of equation
3x+2x+z=6
x+y+3z=-5
4x+y-z=10
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08/05/13
How many excess electrons does the dome of a van de Graff generator posses? What is the increase in mass because of their presence?
Physics/Chemistry:
The dome of a van de Graff generator carries a negative charge of 8.0 x 10-7C.
How many excess electrons does it posses? What is the increase in mass because of their...
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08/05/13
logp 3 243 whats the value?
i want the answer or method for solving this thing!
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08/02/13
can you explain this problem?
The sales force of a business consists of 10 men and 10 women. A production unit of 6 people is set up at random. What is the probability that it will consist of 2 men and 4 women? (type answer as...
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07/31/13
whats the equation for (0,-1)(2,-5)(4,-9)
I know the -1 crosses at on the y-axis, I just cant seem to find the equation to the points
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