03/24/15

factors and multiples
What number is a factor of 22 but not a multiple of 2 ?    
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03/24/15

Functions. Using these formulas, find the optimal price
A store can sell 225 DVDs per week at a price of $10 each. The manager estimates that for each $1 reduction in the price of the DVDs they will sell 30 more per week. The DVDs cost the store $5... more
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03/23/15

Find the intervals on which f(x) is increasing and the intervals on which f(x) is decreasing.
f(x)=10–12x+6x2–x3
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03/23/15

Find the intervals on which f(x) is increasing and the intervals on which f(x) is decreasing.
f(x)=x3—3x+1
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03/23/15

find the intervals on which f(x) is increasing, the intervals on which f(x) is decreasing, and the local extrema.
f(x)= x3+4x—5
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03/23/15

Arithmetic progression
The 16th term of an arithmetic series is seven times the second term. Show that the 13th term is four times the third term.
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03/22/15

Find two positive numbers whose ratio is 2:3 and whose product is 600
Find two positive numbers whose ratio is 2:3 and whose product is 600
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03/22/15

Factor (6x^2-11xy+3y^2)/(2x^2-7xy+6y^2)*(3x^2+8xy+4y^2)/(2y^2-3xy-9x^2)
Please show step by step, I've been stuck on this for hours. I know what the answer is but I have no idea how to solve it.
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03/22/15

A piece of ribbon is cut into 2 inequal pieces. The ratio is 2.8:1.25, the difference between the two pieces is 80.6 cm. What is the length of the two pieces?
Help now!! Explain all steps in great detail!
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03/22/15

Paul leaves at 7pm traveling 50 mph. John leaves at 7:30pm traveling 70 mph. At what point will John pass Paul
Paul leaves at 7pm traveling 50 mph. John leaves at 7:30pm traveling 70 mph. At what point will John pass Paul
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03/22/15

If 5 is added to twice a number and this sum is multiplied by 6, the result is the same as if the number is multiplied by -16 and 2 is added to the product.
What is the final number?Online college course. Can not get ahold of instructor and course is being taken through a school in another state
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03/21/15

word problem
bob drove from home to work at 60 mph. after work the traffic was heavier, and he drove home at 25 mph. his driving time to and from work was 1 hour and 8 minutes. how far does he live from his job?
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03/21/15

If 200 dollars is invested at 12% per year compounded quarterly, when will the investment be worth 300 dollars
 If 200 dollars is invested at 12% per year compounded quarterly, when will the investment be worth 300 dollars?
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03/21/15

A bicycle with a 24-inch wheel (diameter) travels a distance of 1000 feet. How many revolutions does the wheel make (to the nearest revolution)?
I cannot figure this problem out. Someone please help me thanks
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03/21/15

Write x2+y2+4x+6y=23 in the standard form of a circle and then identify the circle's center and radius.
Write x^2+y^2+4x+6y=23 in the standard form of a circle and then identify the circle's center and radius.(a) The standard form of the circle is a.(x+3)^2−(y+3)^2=6 b.(x+2)^2+(y+3)^2=6... more
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03/21/15

Write the equation of a circle with center at the origin and radius 6
Write the equation of a circle with center at the origin and radius 6
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03/21/15

find the speed of the wind.
an airplane flew 660 miles with the wind,and then took 40 minutes longer for the return flight against this wind.if the planes flies 200 miles per hour in still air,find the speed of the wind.
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03/20/15

math problem
Use synthetic division and the Remainder Theorem to evaluate P(c): P(x)=x^3-x^2+x+5; c=1
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03/19/15

a 12 foot ladder is placed against a house to reach a window that is 9 feet high. how far away is the ladder from the house?
This problem frustrated me because my teacher got 7.94 feet. Im offically confused. Help please
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03/19/15

My teacher hasn't explained this well enough for me to understand. I need some help on figuring this out.
  Diane walked for 6 miles at a rate of x miles per hour. Then she ran for 12 miles at a rate 3 miles per hour faster than x. If the entire 18 mile trip took 4 hours to complete, what is the value... more
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03/19/15

M(2,3)is the midpoint between R(x,y)and S(7,8).
M(2,3)is the midpoint between R(x,y)and S(7,8).Find the coordinates of R.Enter the answer as an ordered pair, including the comma.The coordinates of R are 
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03/19/15

how can i simplify x^3 + x^2 - 20x/ x^2 - 16
  how so you simplify x^3 + x^2 - 20x/ x^2 - 16
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03/19/15

Intersection point of two circles
Solve the following systems of two circles by finding the intersection point(s), if any, algebraically.   x^2 + y^2 = 9 (x-3)^2 + (y+3)^2 = 9
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03/19/15

Simplify sin^2x/sec^2x-1
Verifying the identity
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03/19/15

circle radius
a circle has a radius of 1 inch. what is the length in inches, of an arc subtended by a central angle of 135degrees
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