03/13/16

I need help with this as i dont understand how to solve for x
log4(x+5)+log4(x-4)=log4(3x+4)
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03/13/16

A population consist of four values. 12,12,14,16
i have to list all samples of size 2 and compute the mean of each sample   Compute the mean of the distribution of the sample mean and population mean   Compare the... more
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03/12/16

Find a particular solution of?
Find a particular solution of y"-2y'+2y=e^(x)[(2-2x-6x^2)cosx+(2-10x+6x^2)sinx].   How to find the correct initial guess for this problem?
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03/12/16

what is the largest number of regions the planes divide the space into? What's the smallest?
Visualize 4 planes in space. Assuming that none of the planes lie exactly together, what is the largest number of regions the planes divide the space into? What's the smallest? Use pictures to... more
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03/12/16

word problem
A board game costs 28.45.  It is 15.20 more than a paint set.  The paint set costs 7.90 more than a toy car.  How much does the toy car cost?
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03/12/16

Find the moment of inertia of the system
the position vectors of two point like object of mass 100kg and 200kg are (2,4,6)m and (3,5,7)m respectively.Find the moment of inertia of the system about Y- axis
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03/10/16

volume in cube
 Use your calculator to find the approximate volume in cubic units of the solid created when the region under the curve y = sin(x) on the interval [0, π] is rotated around the x-axis. (4 points)... more
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03/08/16

Find P (H and F) when a book is randomly selected
Using the table                                         Fiction (F)      Nonfiction (N)                Hardcover (H)         87                    31              Paperwork (P)        ... more
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03/07/16

Help with solving radical equations?
Hi, I need help with solving this :    2√x+1=√x^2+4
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03/07/16

Experimental Probability of Simple Events
While bowling with friends, Brandy rolls a strike in 6 out of 10 frames. What is the experimental probability that Brandy will roll a strike in the first frame of the next game?
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03/07/16

Linear Systems
Shirley walked a certain distance, then returned along the same route. She walked 10km/h going and returned at 8 km/h. How far did she walk if the route trip took 9 h?
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03/07/16

Suppose you tossed a die six times. What is the probability of getting exactly three fours
Probability 
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03/07/16

Find the rectangular equation that has the following parametric equations. x=2t-5 y=t^2+1
i need help with this problem its pre cal this the question that i have and need an answer too 
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03/07/16

Solving for Centripetal Force using a Free Body Diagram
A 70 kg student is riding a roller coaster and is at the top of the vertical loop. The loop has a radius of 16 m, and the car's velocity at the top is 12 m/s. What is the student's apparent weight... more
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03/06/16

what is the answer to x^4 - 25 = 0 by solving the square
math help please
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03/06/16

Calc. question and I need help please! Thanks!
Find the coefficient of the squared term in the simplified form for the second derivative, f "(x) for f(x) = (x3 + 3x2 + 3)(3x3 − 6x2 − 8x + 1) . Use the hyphen symbol, -, for negative values.
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03/06/16

Solve this equation by factoring. Remember va vb = vab...
Solve this equation by factoring. Remember √a √b = √ab√6 x^2-x-√6 =0
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03/06/16

Can you help me solve this
P(a)=.3 p(b)=.4 and p(a or b)=.7 are events a and b mutually exclusive? 
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03/06/16

What is (-12,8) & (9,1) in point slope form?
In point slope form please!!!!
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03/05/16

How many milliliters of a 9% alcohol solution must be added to 45mL of a 3% alcohol solution to make a 6% alcohol solution
How many milliliters of a 9% alcohol solution must be added to 45mL of a 3% alcohol solution to make a 6% alcohol solution 
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03/05/16

Given the function below and point P, what is the direction of the steepest ascent?
Given the function below and point P, what is the direction of the steepest ascent?   f(x)=x^2−4y^2−9
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03/05/16

coefficient help?
What's the coefficient of x^2 when 6x^2-2/5x+1 is multiplied by 10x+1/3?
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03/04/16

find the measure of an angle that is 8 degrees less than 3 times its supplement.
find the measure of an angle that is 8 degrees less than 3 times its supplement
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03/04/16

what is the probability that the circuit operates
The following circuit operates only if there is a path functional devices from left toright. The probability that each device functions is: P(A)=0.995; P(B)=0.99;P(C)=P(D)=P(E)=0.95;... more
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02/04/16

could someone help with fraction inequalities
Solve the following inequalities using the multiplication property of inequalitiesx/2≤3
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