03/02/13

Solve the inequality (x^2(9+x)(x-6))/((x+5)(x-2))> or equal to 0
This is a fraction     x^2(9+x)(x-6) is the numerator  (x+5)(x-2) is the denominator and it's all set to greater than or equal to 0
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02/25/13

a sector of a circle has perimeter of 32cm and an area of 63cmsquare.
a sector of a circle has perimeter of 32cm and an area of 63cmsquare. find the radius length and the magnitude of the angle subtended at the center of the two possible sector.
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02/25/13

how do i add mix numbers
hello my name is adrainne randle and am study for my ged but i still don't know how to do somethings like adding mixed numbers so am hopeing your able to helpme please
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02/25/13

log(x+1 + log(x-1)(x-1)
log2(x+1 + log2(x-1)2 Simplify
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02/22/13

If x^2 + y^2 = 70 and 8xy=40 what is the value of (x +y)^2?
If x^2 + y^2 = 70 and 8xy = 40 what is the value of (x + y)^2
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02/20/13

Sin(x)=2sin(x)cos(x)
Use the chain rule using all steps possible
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02/18/13

Completing a square x^2+5x=4 my answer is suppose to be -5/2 and 1/2 but I'm nit coming up with hat for my answer
completing a square x^2+5x=4
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02/17/13

x squared + 5x +6
x squared + 5x +6
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02/17/13

find the potential difference when the current is 5 amps and the resistance is 10ohms.
the formula V=IR is used to find the potential difference, in volts, between two points on an electrical circuit. I represents the current in amps and R the resistance in ohms.
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02/14/13

Unsure how to set up an equation for a word problem.
"I cashed a check at the bank and spent $1.41 before I realized the teller had transposed the dollars with the cents. I now had exactly 5 times the value of the original check. What was the amount... more
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02/12/13

Factoring polynomial
X6  - 9x4  - x2  +. 9 = 0
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02/10/13

4x^2+26x-48
This is hared so I need help
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02/10/13

6X-4y = 56 2x+6y == -40
solve: 6x-4y=56 2x+6y=-40
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02/08/13

how do you change a^2=1.6 into a logarithm?
I understand how to do this with e or ln but not a log
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02/07/13

What is 25 raised to the negative 3/2 power?
What is 25 raised to the negative 3/2 power?
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02/06/13

Find all solutions sin^(2)[x/2]=sin^(2)x
Find solutions between 0 and pi
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02/05/13

2 dimensional motion problem
(a) What are the period and speed of a person on a carousel if the person has an acceleration with a magnitude of 0.86 m/s2 when she is standing 3.6 m from the axis? (b) What are her acceleration... more
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02/04/13

Find three consecutive odd integers where twice the sum of the second and third number is 33 more than three times the first number.
im stuck i set the problem up as x+2(x+2)+2(x+4)=33+3x  
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02/04/13

The focus of a parabola has coordinates (0,-3/10) and the vertex at the origin. Find the equations of the directrix, the axis of symmetry, and the parabola.
This has to do with the focus and directrix of a parabola.
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02/04/13

One leg of a right triangle has a length of 7 centimeters. The other sides have lengths that are consecutive integers.find these lengths.
right triangles
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02/03/13

The area of a rectangle is 252 square feet. If the perimeter is 66 feet, find the length and width of a rectangle?
I need the answer.
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02/03/13

7/3x=63 what is x
Find out what does x equal  
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02/02/13

How do i integrate 4x^2/(x^3-8) from 0 to 8
How do I integrate 4x^2/(x^3-8) from 0 to 8 It is an improper integral and I know it diverges but I don't know why  i found u=x^3-8 but am getting stuck after that  
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02/01/13

x^2y^2-12xy+36=
I need to know how to work this problem step by step.
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01/31/13

a boat traveled downstream a distance of 75 miles and then came right back.
a boat traveled downstream a distance of 75 miles and then came right back. if the speed of the current was 20 mph and the total trip took 5 hours, find the average speed of the boat relative to... more
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