04/01/15

help with finding endpoint
  Given A(-3,2) and B(5,-4)   Use the midpoint formula to find an endpoint C, such that B is the midpoint of AC.   Would you help me solve finding the endpoint.  I have the midpoint as... more
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04/01/15

When will they lose contact?
A truck and car leave a service station at the same time and same direction. The truck travels at 60 mph and the car at 54 mph. They can maintain radio contact within a range of 12 miles. When will... more
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04/01/15

Solve using the elimination method.
x+y=12 -x+5y=12     A) The solution of the system is __.(Type an order pair) B) There are infinitely many solutions. C) There are no solution.
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04/01/15

Probability for two different events
Let's say I'm playing a game with my friend that involves rolling dice. The condition for victory is that i must roll a dice and if i roll a 1, i win.However if i fail the first time i still have a... more
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03/31/15

tell which equation you would choose to solve for one of the variables when solving the system by substitution. explain.
y=5x-2 2x+9y=10         3x-7y=12 3x-12y=6      1/5x+y=8 4x-3y=1
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03/31/15

Compute the following conditional probabilities:
events E and F in a sample space S, but assume that Pr[E] = 0.45, Pr[F] = 0.45, and Pr[E∩ F] = 0.25. Compute the following conditional probabilities: (1) Pr[E | F] = (2) Pr[F | E] =
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03/30/15

What is, 9(x+7)=
Jimmy has 9 gallons of paint,and Alice has 7 gallons of paint ,But Susan has x gallons of paint how much is it all?
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03/30/15

8x8 checkers board
Given a standard 8 x 8 checker board, remove two squares from opposite ends of a diagonal. Supposethat a rectangular domino exactly covers two squares of the board. You must either find a way to... more
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03/30/15

interval [0,2pi) 2 cos 2x - (root2)=0
Please help me find this answer
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03/30/15

Solve by Elimination method .
4x-2y=26 3x+4y=-8   Determine the solution of the system. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A)___ (type an ordered pair.) b).... more
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03/30/15

Rewrite in slope intercept form: x+2y/3 =1
Rewrite in slope intercept form: x+2y/3 =1
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03/30/15

Solve by Substitution method .
x+y=3 y=x-1   What is the Solution of the system? _________ (Type an ordered pair.)
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03/29/15

Calculate the change in the freezing point of water (Kfp = -1.86°C/m) under the following conditions.
(a) 7.76 g of KCl, dissolved in 50.00 g of water(b) 6.56 g of of caffeine (C8H10N4O2) dissolved in 75.0 g of water(c) 56.2 g of KCN dissolved in 1000.0 g of water
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03/27/15

1 mol of carbon-12 contains 6.022x10^23 carbon-12 atoms with a mass of 12 g. calculate the mass of one carbon-12 atom.
1 mol of carbon-12 contains 6.022x10^23 carbon-12 atoms with a mass of 12 g. calculate the mass of one carbon-12 atom.
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03/26/15

-11(10+11p)=-10(2+8p)+4p
−11(10+11p)=−10(2+8p)+4p need help solveing  
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03/26/15

what is the average annual proper motion of Bergards Star
Stellar Evolution
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03/26/15

I am confused about how to distinguish terms
Are terms separated by addition or subtraction signs? Are they only separated by addition signs?
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03/26/15

Find the next two terms in the following sequence
13,-5,-35,-77,... enter the terms separated by a comma
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03/25/15

Fill in the blank to make the expression a perfect square
w^2-14w+?
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03/25/15

Solve for x in 3x^2-3x-330=0
x^2 + (x^2 - 5x) + (x^2 + 2x) + 30 = 3603x^2 - 3x - 330 = 03(x^2 - x - 110) = 0x^2 - x - 110 = 0so the linear equation i used was:x = -b + √(b^2 - 4ac) / 2ax = 1 + √(1^2 - 4*1*110) / 2x = 1 + √(1 -... more
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03/24/15

Probability and statistics
Prithi has two boxes. Box one contains three red, two silver, four gold, and two blue combs. She also has a second box containing one black and one clear brush. What is the probability that Prithi... more
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03/24/15

how many ters?
4a+a2+6a3
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03/24/15

Matrices evaluate a+b when
A=2,8      0,-4     -1,6 And b=-4,0           -7,-5           1/4,-2
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03/24/15

Discrete Math Question??
There are 40 students in their first year of Computer Science program. All of these students must take either Discrete Math or Statistics, or both. There are 28 students in total taking Discrete... more
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03/23/15

What is the sum of a 17-term arithmetic sequence where the first term is 8 and the last term is -88?
What is the sum of a 17-term arithmetic sequence where the first term is 8 and the last term is -88?Choose one answer. A. -542 B. -680 C. -893 D. -954
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