10/15/13

What is that score?
There were two teams who tied for top score. The score is figured out by adding both members of each team together. Jamie and Marshall are on one team, Marshall has 12 less points than Jamie.... more
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10/14/13

2xsquared +7x+3=0
2x2+7x+3=0 How do you figure this out
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10/11/13

Math Word problem
The amount P of population varies directly with the population N of people. City A has a population of 416,000 and produces 260,000 tons of pollutants. Find how many tons of pollution we should... more
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10/10/13

Solve this equation.
Solve:   1.) |x+5| > x 2.) | x + 1 | -2 =| 2x - 5 |
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10/10/13

Find how many of each coin is there
kevin and randy have a jar containing 57 coins all of which are either quarters or nickels the total value of the coins is $8.85 how many of each type of coin is there please help
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10/10/13

Which is a correct comparison of the fractions? 4/5 and 5/6
Me and my son are both confused. Sorry but could you help?
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10/09/13

a rectangle has one corner in quadrant 1 on the graph of y=16-x squared, another at the origin, and a third on the positive y-axis, and the fourth at the positi
a rectangle has one corner in quadrant 1 on the graph of y=16-x squared, another at the origin, and a third on the positive y-axis, and the fourth at the positive x-axis.(a) express the area a of... more
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10/08/13

what is the equation of the horizontal asymptote?
f(x) = (3x4+12x3+3x2+4x+9)/(1x4+4x3+4x2-2x+6) what is the equation of the horizontal asympotote y=?  does the graph f(x) intersect its horizontal asymptote?(yes or no) at what x values does f(x)... more
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10/07/13

Probability- People
In how many different ways can you select 4 freshmen, 5 sophomores, 3 juniors, and 7 seniors from a group containing 15 students of each standing?
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10/07/13

Probability- Marbles
In how many different ways can you grab 3 red marbles, 2 white marbles, and 2 blue marbles from an urn containing 10 red, 8 white, and 4 blue marbles?
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10/07/13

Picking r objects from n when order does NOT count
In how many different ways can you grab three coins from a box containing 12 coins?
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10/07/13

(sin^6 x)/(1- tan^2 x) + (cos^6 x)/(1- cot^2 x)
simplify simplify simplify simplify ...............
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10/06/13

how do you solve ln(x+1)-ln(x)=ln4
ln(x+1)-ln(x)=ln4
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10/06/13

Use the backward Euler method?
Use the backward Euler method with h=0.025 of y'=(t^2-y^2)sin y, y(0)=-1 at t=0.1, 0.2, 0.3, and 0.4.   Answer: -0.926341, -0.867163, -0.820279, -0.784275
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10/06/13

Use the Euler method?
Use the Euler method with h=0.05 to find approximate values of y'=3+t-y, y(0)=1 at t=0.1, 0.2, 0.3, and 0.4.   Answer: 1.1975, 1.38549, 1.56491, 1.73658
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10/02/13

find the inverse equation
find the inverse of y= f(t) = √(3t) +2  f-1 (y) = 
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10/01/13

Compute the mean and variances of the following discrete probability and distribution.
Compute the mean and variances of the following discrete probability distribution.   X                            ... more
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10/01/13

Can you solve this problem 9xsquared-9x+2=0 x=
9 x 2 - 9x + 2 = 0   x=
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10/01/13

When using this group of numbers: 12, 7, 18, 15, 11, 9: what number should be added to the group to give a mean value of 12?
 when using the following group of numbers:  12, 7, 18, 15, 11, and 9:   What number should be added to the group to give a mean value of 12?
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09/30/13

Flipping a coin
What is the probability that no consecutive heads occur on three tosses of a coin?
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09/30/13

HELP ME OUT PLEASE SOLVE IT..............
Find the slope intercept form of the equation of a line that is parallel to the given line and that passes through the given point : (1) Parallel to y=4x-11,through (3,8)(2) Parallel to... more
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09/30/13

Thirty-five percent of people who own cell phones use their phones to send and receive text message. Choose 4 cell phones owners at random. What is the probabi
Multipulcation Rules and cconditional probability.   Thirty-five percent of people who own cell phones use their phones to send and receive text message. Choose 4 cell phones owners at random.... more
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09/29/13

You roll a die, flip a coin, and draw a card at the same time. What is the probability that:
You roll a 5, flip a Head, and draw an Ace?
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09/29/13

You draw a card from a deck. If it is an Ace, you stop. If not, you then replace the card, shuffle the deck, and try again...
What is the probability that the game stops on the: a. First draw. b. Second draw. c. Third draw. d. Fourth draw. e. Can the game go on "forever?" If not, what is the maximum number of draws... more
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09/29/13

chemistry find mass
i am so confused why i find two different answers while i did in two different ways!   I have 60ml 1M HCL    The question asks me to find the mass of HCl.   1. m=0.06L*(1mol / 1L)*(36.458g/mol)... more
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