11/23/15

The area of a rectangle is 77 ft2 , and the length of the rectangle is 3 ft more than twice the width. Find the dimensions of the rectangle.
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11/23/15

if a number x is 10% less than another number y and y is 10%more than
if a number x is 10% less than another number y and y is 10%more than 125 then x is equal toplease understand my confusion read carefully i know the solutionnow x is 10% less means 10% of x or... more
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11/22/15

2sin(pi/3x) =sqrt2
Find all solutions on the interval 0< (or equal to) theta < 2pi   Help! Show steps please. thanks
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11/22/15

How to deal with trigonometry in application?
A utility pole is anchored to level ground by two 53 ft wires, one on each side of the pole. The wires make a 65 (degree) angle with the ground below. How far apart along the ground are the wires?
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11/22/15

Help writing an equation to solve
What is the equation to solve this problem? Fiona finds1shell on her first day at the beach. Every day that week she finds twice as many as she did the day before. How many shells did Fiona find... more
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11/21/15

Simplify (1+sin(t)) / (1+csc(t))
I understand you get on the denominator (1+(1/sin(t))  I don't know how to simplify from there.   please help! Thanks!
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11/21/15

if n is a positive integer, how many 4-tuples can be created from integers 1 through n where the elements are in increasing order but not necessarily distinct
in other words, how many 4-tuples of integers (i,j,k,m) are there with 1<=I<=j<=k<=m<=n? I know I need r-combinations with repetition allowed.
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11/21/15

Aldo drove 737 miles in 11 hours. At the same rate , how long did it take him to drive 335 miles?
Aldo drove 737 miles in 11 hours. At the same rate , how long did it take him to drive 335 miles?
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11/21/15

Transforming quadratics
Has a vertex of v(2,-9) and goes through a(-1,9). Put equation in standard form     I don't know what the a(-1,9) means
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11/20/15

write the ratio 50 seconds to 3 minutes as a fraction in simplest form
write the ratio 50 seconds to 3 minutes as a fraction in simplest form  
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11/20/15

There is a sales tax of $9 on an item that costs $120 before tax. The sales tax on the second item is $19.05. How much does the second item cost before tax?
There is a sales tax of $9 on an item that costs $120 before tax. The sales tax on the second item is $19.05. How much does the second item cost before tax?
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11/19/15

Please help me with the following questions on surds.
1) Expand 5 and square root 5 (square root 6 + 8 and square root 5)   2) Expand (Square root 3 - 4 and square root 5)(Square root 7 - 8 and square root 2)   USING ONLY DOPS FOR 3 AND 4   3)... more
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11/19/15

Please help me answer the following questions on surds.
1) Can a negative be a perfect square? 2) Is -67 an integer? 3) Is 3/7 an integer? 4) What is the square root of 729 with a little 3 on the left of the square root sign? 5) What is the square... more
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11/19/15

A rectangular auditorium seats 3332 people. The number of seats in each row exceeds the number of rows by 19. Find the number of seats in each row.
A rectangular auditorium seats 3332 people. The number of seats in each row exceeds the number of rows by 19. Find the number of seats in each row.  
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11/19/15

PLZ!!!! 6sqrt63x which value of x makes the expression equivalent to 18sqrt63?
A:3 B:9 C:12 D:18  
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11/19/15

solution set
Solve.  7x^2-20x-3=0 Select the correct choice below and, if necessary, fill the answer box to complete your choice.  A. The solution set is __.  B. There is no solution.    help is greatly... more
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11/19/15

The vertex of the parabola below is at the point (3, -3), and the point (0, -2) is on the parabola. Write the equation of the parabola.
The vertex of the parabola below is at the point (3, -3), and the point (0, -2) is on the parabola. Write the equation of the parabola.
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11/19/15

The vertex of the parabola below is at the point (-2, -1), and the point (-1, 1) is on the parabola. Write the equation of the parabola
The vertex of the parabola below is at the point (-2, -1), and the point (-1, 1) is on the parabola. Write the equation of the parabola
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11/19/15

In how many different ways can you arrange five flags in a row if there are two red flags and three blue flags?
In how many different ways can you arrange five flags in a row if there are two red flags and three blue flags?
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11/19/15

Finding the radius of a circle
What is the radius of a circle in which an angle of 3 radians cuts off an arc length of 30cm?
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11/19/15

deck of cards
You have a standard deck of cards .You pick one card from the deck and then , without putting the other one back , pick a second card.What is the probility that both cards will be 9s? a) 0.25 b)... more
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11/18/15

Algebra word problem help
  The variable Z is directly proportional to X. When X is 10, Z has the value 190.What is the value of Z when X = 13     The variable Z is directly proportional to X. When X is 3, Z has the... more
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11/18/15

If sec theta = 5/4, find csc(theta+pi/3)
I don't know what to do to even start this problem. 
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11/18/15

Please help with Geometry
Identify the following 1. a quadrilatreal with opposite sides parallel and equal 2. A ray that divides an angle into two angles of equal measure  3. Two adjacent angles for which the noncomon... more
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11/18/15

Trig identities help please??
(1/2)sin(2x) / sin2 x 
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