08/16/14

Algebra word problem
There are 250 pounds on the left side of a barbell and 150 pounds on the right side. Suppose that you must balance the scale by adding 5 pound weights to the left side and exactly the same number... more
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08/16/14

Find the standard form of the equation of the parabola with a focus at (5, 0) and a directrix at x = -5.
I dont understand how to solve it. please explain the steps 
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08/16/14

Describe and correct the error
  k   +   5   =     -2k        k+5    k+3    k2 +8k+15LCD= (k+3)(k+5)k(k+3)+5(k+5)=-2k k2 +3k+5k+25=-2k  k2 +8k+25=-2k k2 +10k+25=0        (k+5)2 =0             k=-5     
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08/16/14

how do i complete a polynomial inequality?
I don't understand the example on the lesson. It is very confusing.
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08/15/14

Find the consumer and producer surplus for an item
Supply: p =5q2   Demand: p = 4800 - q2/3   I figured out price is p= 4500 and q = 30 (at equilibrium) now how do you solve for the surplus of both. I know it's a type of interval question but... more
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08/15/14

Math Word Problem (Sophmore)
Shania goes on vacation and is traveling from Nashville to Jacksonville, a distance of 563 miles.She travels the distance going an average speed of 65 MPH. However, in Atlanta, she stops for a 1.5... more
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08/15/14

Rotation of a triangle
Rotate the triangle having vertices at (0,3) (2,4) (2,6) at 180 degrees at (2,4)... What will be the new coordinates of the triangle after rotation...  I want to know how to do it...
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08/15/14

Determine the midpoint of the line drawn between each of the endpoints E(-3,6) D(5,8)
Determine the midpoint of the line drawn between each of the endpoints E(-3,6) D(5,8)
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08/14/14

Find the consumer's and producer's surplus for an item with the following:
Supply:  p=5q2  Demand: p= 4800 -92/3   I assume you have to set these equal to each other to find consumer and producer surplus but I'm not sure how to solve.     
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08/13/14

Jacob walked 3 blocks to Ping's house, then 5 blocks to Jamal's house.
Write a sentence to show that the distance from Ping's to Jamal's is the same as the return walk home. Write the sentence and name the property used.
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08/13/14

Word Problem!
Richard measured his rectangular living room. The room has an area of 200 square feet, and the length is 20 feet. The width is found by dividing the area by the length. What is the width of... more
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08/13/14

word Problem!
There are 5,000 sheets of paper in 25 boxes. If each box contains the same number of sheets of paper, how many sheets of paper are in each box? 
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08/13/14

how to solve equation 3(x-2)+4=4(x-2)+1
how can i solve this equation and am just wondering if you could help me to solve the equation
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08/13/14

How to solve this usuing equations
Kathleen made 35 pies. There were 10 slices in each strawberry pie and 7 slices in each blackberry pie. If Kathleen made 290 slices of pie in total, how many of each type of pie did she make?
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08/13/14

what is x to the third power - 27
x3-27 factor the sum or difference of cubes
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08/13/14

102% of 200 is what number?
102% of 200 is what number? 
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08/13/14

What is the reciprocal, or multiplicative inverse, of any nonzero real number a is 1/a?
Algebra 1 Vocabulary
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08/09/14

How do you find what interference represents the overall change in a price?
please help this wa in my summer nth packet and I don't know how to solve it.
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07/08/14

Cylindrical shell method to compute volume of a napkin ring
Use cylindrical shells to compute the volume of a napkin ring of height 3h created by drilling a hole with radius r through the center of a sphere of radius R and express the answer in terms of... more
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06/02/14

find the volume of the cylinder shown to
Find the volume of the cylinder shown tothe nearest thousandths having a height of 2 ft and radius of 0.25 ft   Find the surface area of the above cylinder to the nearest hundredths.      
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05/28/14

Find the complex cube roots of 8(cos(4pi/5) + isin(4pi/5)
I just need help. If someone could give me the answer as well as explain it, that would be amazing
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05/13/14

Write the complex number in polar form with argument ? between 0 and 2p. 9 radical 3 - 9i
Write the complex number in polar form with argument θ between 0 and 2π. 9 radical 3 − 9i
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05/13/14

Write the complex number in polar form with argument ? between 0 and 2p. 7radical 3 - 7i
Write the complex number in polar form with argument θ between 0 and 2π. 7radical 3 − 7i
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04/30/14

China's population in 1980 was 983 million; in 1990, it was 1,154 million.
Develop the mathematical model that represents China's population. (Write your model in terms of t, where t is the number of years after 1980. Let p represent China's population in millions. Round... more
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04/20/14

sec v = 13/5, 3 pie/2 < v < 2 pie
Find the exact value of the trigonometric function given that tan u = -3/4, pie/2 < u < pie
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