01/02/14

Help to factor an expression
Please help me solve this expression to factor completely.             35g^2 + 6g -9           thank you
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01/02/14

Find the integral?
If ∫ f(x-c) dx from 1 to 2=5 where c is a constant, find ∫ f(x) dx from 1-c to 2-c.   Answer: 5    
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01/02/14

How do you find the midpoint of a segment?
I've tried graphing and finding the midpoint but my way doesn't work. 
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01/02/14

2 * 8 to the negative 2 power
2 * 8-2  
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01/01/14

How do I factor expression
please help me completely factor this expression.          4x^2 - 8x - 12 + 6x       thanks!
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01/01/14

if cosa+sina=2cosathen prove cosa-sina=2sina
if cosa+sina=√2cosa then prove cosa-sina=√sina
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12/31/13

Rationalize the denominator and simplify: cos^2x / 1 - sinx
This is for my trig class. Thanks for the help!
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12/31/13

Find the value of the other five trigonometric functions, given tanx= 4/11, secx<0.
This is for my trig class, thanks for the help!
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12/30/13

Find the value?
  Let y=x*sqrt(1+x^2). When x=0 and dx=2, find the value of dy. Answer: 2
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12/30/13

how to write an exponential function
Andrew measures the amount of a very unstable substance to be 100 moles.  The half-life of  this substance is 3 days (after 3 days, half is gone).   How will I write an exponenential function... more
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12/30/13

the vertex of the parabola below is at the point (4, -1). Which could be this parabola's equation?
I don't understand the question. What would the equation be for this vertex of the parabola? I'm doing Conic sections, and  I don't understand the question.
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12/25/13

logx^4+logx^2=6
log4x+log2x=6
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12/25/13

For what function?
∑ ((-1)^n*x^n)/n! is the Taylor series about zero for what function?   Answer: e^-x    
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12/23/13

need help bad very confused
Select the sum of the series: Σ^5∨k-1^k^2   a. 55 b. 56 c. 200 d. 225
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12/22/13

The point on the curve?
The point on the curve x^2+2y=0 that is nearest the point (0, -1/2) occurs where y is?   Answer: 0
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12/19/13

Can you solve my proof
Given: angle 1 is the complement of angle 2; angle 3 is the complement of angle 4; line AB is parallel to line CD Prove: triangle ADB is congruent tI triangle CBD
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12/18/13

If sinx= -4/5 and x terminates in quadrant 3 , find the exact value .
Finding the value of -4/5 ... My mistake 
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12/18/13

(Cotx) (1/cscx) simplifying identities
Simplifying identities  
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12/18/13

(1-sin^2 ) / cos ....simplifying
simplifying identities 
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12/18/13

two column proof for therem 6.7
I have a problem where it says make a two column proof of therem 6.7 which is called the angle bisector therem could someone please tell me the answer or atleast walk me through it
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12/17/13

Slope equation
what is the slope of the line whose equation is y=1/6x-1/2?
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12/16/13

Grade 9 math help. Please
A local tour company is offering a weekend travel package special at 50% off the regular price. This is a savings of $87.45. What is the regular price of the package?   We are currently learning... more
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12/16/13

How do I convert from parametric equations to rectangular form?
Write the rectangular form for the parametric equation x=cosθ ; y=4sinθ
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12/16/13

Grade 9 math help!
During a ski jump,  Maiko is airborne for 8.1s. If her speed during the jump is 27.6m/s, How far did Maiko jump, to the nearest hundredth of a meter?   (We are currently learning about solving... more
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12/16/13

I need help solving an expression
This is the problem: 12y/13*11/24
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