02/05/16

What is the pumping capacity of each.
When three pumps,A,B and C, are running together, they can pump 3700 gal per hour. When only A and B are running 2300 gal per hour can be pumped. When only A and C are running, 2300 gal per hour... more
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02/05/16

Find the dimensions of the square.
The area of the shaded part of the square shown the right is 98 square meters. Find the dimensions of the square. This is the... more
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02/05/16

I need help with the question below.
Joe runs 9.25 times around a track in 1,125.803 seconds. If one lap around the track is 502.3 meters, which is the best estimate of the runner's average speed in meters per second (m/s)?
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02/05/16

Prove Statement using the First Principle of Mathematical Induction
Prove the following statements using the First Principle of Mathematical Induction:(a) If r ≠ 1, then1 + r + r2 + ... + rn = (1 − rn+1)/(1-r) for all n ∈ N. Why does the formula not work when r =... more
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02/05/16

Finding alpha to model a sinusoidal wave
I am modelling a graph in the form y = Asin(ωt +α) +c, but I have got stuck on calculating alpha.   So far I have calculated... the central line is at y=100 A = 24 period = 38 ω = 360/38 =... more
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02/04/16

Each side of a square is lengthened by 5 inches. The area of this new, larger square is 49 square inches. FInd the length of a side of the original square.
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02/04/16

Name a pair of vertical angles
I need the answers for page 253 in go math book 7th grade.!!
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02/04/16

Touch screen is $850. What will the value be in 5 years if it decays at a rate of 35%
Ray Idusties bought a touch screen monitor for $850. The monitor is expected to depreciate at a rate of 35% per year. What will the value of the monitor be in 5 years?
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02/04/16

The "Golden Rectangle" is a rectangle that has the following ratio of width to heigth. If the width 11, what is the height?
11/h + h/11+h 
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02/04/16

could someone help me with math?
Solve the following inequality for y7x-2y≥14
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02/04/16

A convex 17-gon is equiangular. always, sometimes, or never? and what postulate, definition, or theorem proves this?
Just need some help on this geometry problem. I need to know if it is always, sometimes, or never equiangular. I also need to know what postulate, definition, or theorem proves this.
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02/04/16

How old should you be when you write your first song?
I want to write music because I love to sing. But I don't know if I am the right age to start writing music.
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02/04/16

terms and sequences
List the first 6 terms of the sequence below.   (−1)^(n−1)/2n
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02/04/16

Percentage
Brady needs to cut a piece of paper 12 centimeters long.  He cuts pieces of the following lengths: 10.2 cm,  11.2 cm, 13.8 cm, and 18.0 cm.  Which cut results in a percent error of 15%? Select all... more
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02/04/16

Joe wrote (6x -10)(x + 1) = 6x2 + ___x -10. He needs help find the coefficient of the x term. What is the coefficient of the x term?
 Joe wrote (6x -10)(x + 1) = 6x2 + ___x -10. He needs help find the coefficient of the x term. What is the coefficient of the x term? i dont understand it
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02/04/16

Fraction Question
Todd is making sandwiches. He uses a fourth of loaf of bread for each sandwich. Draw a number line to represent how much bread he needs for 5 sandwiches.
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02/04/16

The equation of line CD is y = 3x - 3. Write an equation of a line perpendicular to line CD in slope-intercept form that contains point (3, 1). y = 3x + 0
The equation of line CD is y = 3x − 3. Write an equation of a line perpendicular to line CD in slope-intercept form that contains point (3, 1). y = 3x + 0. I have been trying to help my daughter... more
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02/04/16

could someone help with inequalities
Solve the following inequality, and then graph: 7<x+5
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02/04/16

a number increased by eighteen is translated as
i need help with this ? I really don't understand it
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02/04/16

Carmela opened her piggy bank and found she had $15.30.how many coins in all did she have?
Carmela opened her piggy bank and found she had $15.30. If she had only nickels, dimes, quarters and half- dollars and an equal number of coins of each kind, how many coins in all did she have?
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02/04/16

There are 7 milliliters of A used for every 5 milliliters of compound B. If want to make 864 milliliters , how many milliliters of compound B are needed?
it is a math question i need help so i csn pass i have no friend that are good at math
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02/03/16

algebra help please!
Solve the formula for y   x/6 - y/7 = 1
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02/03/16

Length and width
Last question, I promise. Thanks!   A rectangular painting measures 10 inches by 18 inches and contains a frame of uniform width around the four edges. The perimeter of the rectangle formed by... more
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02/02/16

quadratic equation whose roots are 5 and 2 , and whose leading coefficient is 4 . (Use the letter x to represent the variable
Write a quadratic equation whose roots are 5 and 2 , and whose leading coefficient is 4 . (Use the letter x to represent the variable
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02/02/16

if denny has already walked 1800 m, how many minutes will it take for John to catch up with Denny by bike assuming Denny continues to walk?
denny walk 60 m in 1 minute, and John travels 210m in 1 minute by bike.
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