05/11/13

Factoring Algebra 2
x^4 - x^3 + 8x - 8
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05/10/13

how do you find the x-intercepts of the graph of y=2x^2+x-10
I dont know how to figure this question out and there are going to be questions like this on my ECA.  how do you find the x-intercepts of the graph of y=2x2+x-10
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05/09/13

Factor the expression completely.
Select the correct choice below. (a) 9x^3 +72=? (b) The polynomial is prime.
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05/09/13

WHAT ARE ALL THE ANGLES
IM TRYING TO SEE WHAT ARE ALL THE ANGLES  
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05/08/13

Limit questions
Evaluate the limit.. Lim x-->0    (1+Δx)1/2 - (1-x)1/2 / x    
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05/08/13

Limit questions
Evaluate the limit.. Lim Δx-->0    (x+Δx)1/2 - x1/2 / Δx    
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05/08/13

Limit questions
Evaluate the limit.. Lim z-->∞    ln ( 1+ez)/z  
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05/08/13

Limit questions
Evaluate the limit.. Lim x-->∞  2x - 1 / x  
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05/08/13

Limit questions
Evaluate the limit.. Lim x-->0  1 - cos x / x2  
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05/08/13

Limit questions
Determine the limit.. Lim x-->0   4ex - 2e-x - 2 / x  
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05/06/13

What is the rate of change of temperature?
Suppose the temperature in degrees Celsius at a point (x, y) is described by a function T(x, y) satisfying Tx(2, 7)=4, Ty(2, 7)=2. The position of a crawling ant after t seconds is given by... more
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05/05/13

Create an image using functions
Can someone help me create The STX Logo out of the functions: Linear, Absolute Value, Polynomial (n>2), Exponential, Quadratic, Rational, Radical, and Logarithmic. All of them have to be used at... more
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05/04/13

Find the mass of the plate with density?
Find the mass of the plate with density p(x, y)=ky, where k is a positive constant and R is the region bounded by y=x^2 and x=y^2.
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05/04/13

Factor the trinomial.
x^2-x-20 Select the correct choice below. (a) x^2-x-20=? (b) The polynomial is prime.
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05/02/13

Find the maximal value of f(x, y)?
Find the maximal value of f(x, y)=3y+4x on the circle x^2+y^2=1.
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04/29/13

four cards are drawn in succession and without replacement from a standard deck of 52 cards. How many sets of four cards are possible?
answer options are 270,725 54,145 121,431 1,082,900 6,497,400
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04/29/13

calculus question......
the position function s of a point is given by two dimensional quantities  where t in seconds and the y direction is affected by gravity (10m/s/s). y(t)=4t*sin(θ) - 5t2       &      ... more
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04/28/13

Why are there not more active galaxies in our area?
Studying the Hubble's Galactic Classification Scheme 
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04/25/13

Find the Cartesian equation for the curve?
Find the Cartesian equation for the curve described by the polar equation r=1/(1-sin(theta)).
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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

Light of wavelength 2400 x 10-10 m in air will become light of wavelength in glass (µ = 1.5) equal to
Light of wavelength 2400 x 10-10 m in air will become light of wavelength in glass (μ = 1.5)equal toA. 1600 x 10-10 m B. 7200 x 10-10 m C. 1080 x 10-10 m D. none of these
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04/18/13

A 6.1kg bowling ball and a 7.2kg bowling ball rest on a rack 0.75 m apart. What is the force of gravity exerted on each of the balls by the other ball? G= Univ
A 6.1kg bowling ball and a 7.2kg bowling ball rest on a rack 0.75 m apart.  What is the force of gravity exerted on each of the balls by the other ball? G= Universal Gravitational constant = 6.67 x... more
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04/17/13

A tugboat goes 160 miles upstream in 20 hours. The return trip downtown takes 10 hours.
Find the speed of the tugboat without a current and the speed of the current. The speed of the tugboat is what in mph? And what is the speed of the current in mph? (Simplify your answer.)
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04/17/13

A barrel contains 190 gallons of water and is being drained at a constant rate of 14 gallons per hour.
Type an equation that models the number of gallons, g, after t hours  The equation that models the given situation is ?
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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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