03/23/15

find 3 consecutive odd integers such that the product of the first is 38 more than the second integer
N(n+4)=38+n+2 that is as far as I got
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03/22/15

Regression equation?
State the type of mathematical relationship that exists. Once you've recognized the type of relationship (linear, quadratic, or exponential determine the regression equation for this relationship?... more
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03/22/15

jill bought a car for $1500 but she had 2000.how much did she have left?
it story proeblem that i need  little help on that i cant fruger ou
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03/22/15

how come to know which problem is two variable problem and which is one variable problem?
1. one test tube contains some acid and another test tube contains an equal quantity of water. to prepare a solution, 20 grams of the acid is poured into the second tube. then two thirds of the so... more
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03/22/15

a wheel of radius 3m rolls at 17 rads/s. how fast is a point on the rim of wheel rising when the point is pi/3 radians above the horizontal(and rising)?
A wheel with radius 3m rolls at 17 rads/s. How fast is a point on the rim of wheel rising when the point is pi/3 radians above the horizontal (and rising)?
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03/20/15

Lisa's living room is 20 feet wide. If the length is 8 feet less than twice the width, what is the area of her living room?
This is for my college class, and I haven't been able to answer it for the past 2 weeks, I would appreciate any help
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03/20/15

the length of the rectangle is twice the width, and the perimeter of the rectangle is 78 inches. what are the length and width of the rectangle? (note:p=2l+2w)
just need the answer 
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03/20/15

Quadratic Equations
How many real-number solutions does the equation have? -7x^2+6x+3=0   How many real-number solutions does the equation have? 0=3x^2+18x+27
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03/20/15

three people have 90 chips, bob has five more than sue, sue has two times more than joe. how many chips does joe have?
Please show how to solve, with answer.
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Ged

03/20/15

The population of a city that is 200 square miles is 2.5 million. What is the population density per square mile of the city?
F. 80 people    G. 500 people   H. 1,250 people   J. 12,500 people 
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03/19/15

Find the value of x so that the series below converges
Find the value of x so that the series below converges  infinity Σ n=1 (xn/10n)    What is the answer in interval notation?
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03/19/15

-7 which set of number belongs, betwen Natural Whole Intergers Rational Irrational Real
-7 which set of number belongs, betwenNaturalWholeIntergersRationalIrrationalReal
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03/19/15

Perimeter of a trapezoid
Given a trapezoid of area 30 and a=6, b=9. Solve for the perimeter of the trapezoid.
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03/19/15

If you take 5 mins to go down 10 steps how long did you spend on each step?
it took you 5 mins to go down 10 steps? would it take you 30 seconds on each step? i need help
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03/19/15

why do all alphabets in the world begin with the letter A?
it is a language research question which i need it please answer ...
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03/19/15

system of equation
x^2-xy-y^2=7 x^2+y^2=10 find x and y
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03/18/15

How to find pressure of an unknown gas?
An unknown gas is placed in a cylinder that has a movable piston. The volume of the cylinder is set at 6.0 L and the resulting pressure is 735 mm Hg. The piston is pushed into the cylinder and the... more
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03/18/15

How many 1/4-pound hamburgers can she make?
Dora buys one package each of the 1 pound 2 pound and 4 pound packages of ground beef of hamburgers.  
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03/18/15

Venn Diagram
500 freshman at USC are pursuing a business degree.   300 are enrolled in economics 225 in mathematics 140 in both courses   what is the probability a freshman selected will be enrolled... more
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03/18/15

Mutually exclusive events
Let A and  be two mutually exclusive events. The P(A)= .37 and the P(B)= .24   Compute all of the following:   a) P(A intersection B) b) P(Bc) c) P(A U B) d) P(Ac) e) P(Ac intersection Bc)
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03/18/15

Maria sells magazines for 4 days, selling 3 mags. on day 1, 6 on day 2 10 on day 3 and 15 on day 4.At this rate, how many will be sold in all in 7 days?
I tried to shorten the question. My daughter is in 3rd grade and has this 1 math question for homework and I'm trying to help her. I don't understand the jump from day 2 to day 3. I'm not trying... more
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03/18/15

some one come please
The fruit basket at a summer camp contained 4 oranges and 5 apples. Carlos chose 1 piece of fruit at random from the basket and gave the fruit to his friend Duncan. Then Carlos reached in again and... more
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03/18/15

some one please help
A school band sold 30 raffle tickets, each labeled with a number from 1 to 30. One winning ticket will be drawn. What is the probability that the number of the winning ticket will be a multiple of... more
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03/18/15

If we want to find information about the year 2015 from the expressions in the instructions, what number would we use for t? Hint: don't just put in 2015!
The average income in thousands of dollars for a single Hispanic family in the United States t years since 2000 can be estimated by using the expression:1.5t+42The number of Hispanic families in... more
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03/18/15

Which value is a solution for the equation cotx/2=0
Which value is a solution for the equation cotx/2=0   a) 3Π/4 b)3Π/2 c) Π/2 d)3Π
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