604 Answered Questions for the topic Equation

Equation

04/12/16

Steve has a photograph exhibit. In it, there are 15 more photographs of non-sporting events than of sporting events. How many of each does he have?
40% of all of his photographs are about sports. Solve the word problem with an equation. Introduce a variable expression for each unknown.
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Equation Algebra

04/11/16

the equation of a line with the same x-intercept as the line x-2y=5 and the same y-intercept as the line 5x-2y=8
the equation of a line with the same x-intercept as the line x-2y=5 and the same y-intercept as the line 5x-2y=8
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Equation Algebra Parallel

04/10/16

The equation of a line with the same x-intercept as the line 2x + 3y + 6 =0 and is parallel to the line 2x -5y-7=0
The equation of a line with the same x-intercept as the line 2x + 3y + 6 =0 and is parallel to the line 2x -5y-7=0
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04/10/16

The equation of a line passing through (-1,-4) and perpendicular to y=3x-1
The equation of a line passing through (-1,-4) and perpendicular to y=3x-1
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04/10/16

Please help
A bank loaned out $64,000, part of it at the rate of 15% per year and the rest at a rate of 8% per year. If the interest received was $7010, how much was loaned at 15%? 
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Equation Algebra Parallel

04/09/16

determine the equation of a line passing through (2,6) and parallel to the line 2x + 3y = 12
determine the equation of a line passing through (2,6) and parallel to the line 2x + 3y = 12
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04/08/16

What's the maximum height in feet that the projectile will reach?
If a projectile is launched from a platform 8 feet above the ground with an initial velocity of 64 feet per second, then its trajectory can be modeled by the equation h=-16t2+64t+8, where h... more
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03/30/16

How do I fine binomial probability
How do I set up and solve my problems n=36 p=.37 q=.67 Mu=13.32 Sigma=2.90 X= the number of adults that say their favorite color is blue out of 36   QUESTION: Assume 37% of adults take... more
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03/19/16

heat of formation
Write the heat of formation equation for: A) NaCl B) NaOH C) C2H6 D) NO2
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Equation

03/17/16

how do you solve 2??(?? + 4) - (?? - 8)
What is wrong with this equation? 2??(?? + 4) − (?? − 8)2??2 + 8?? − ?? − 82??2 + 7?? − 8
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Equation Word Problem

03/13/16

12 decreased by 8 times a number is 36. Find the number.
I've solved it but I got a completely different answer from the answer key.
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Equation Simplify

03/09/16

what is 3/4(48p+8r) simplified
This is for my math hw, I'm not doing so well. Can someone help?
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03/02/16

How do I turn this perpendicular line into standard form? y = -1/3x + 2/3
I had to turn the equation, y - 3 = 3(x + 1), into a perpendicular line that passes through (5,-1) and I got y= -1/3x + 2/3 which I think is correct. I just don't know how to turn it into standard... more
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Equation One Step

03/02/16

45 subtracted from x is -16. find x.
 I have this question and im to stupid to find out what it is!
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Equation Math

03/01/16

Answer to this equation: 6x=-3
help please imn really stuck
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02/24/16

Write the equation of the parabola with focus F(1,1) and directrix y=5
Write the equation of the parabola with focus F(1,1) and directrix y=5
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Equation

02/22/16

Solve the equation
4/x+2 + 3/x-2 = 5/x^2-4
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02/21/16

Write an equation with a variable on both sides of the equal sign that has infinitely many solutions.
Solve the equation and explain why it has an infinite number of solutions.  I do not understand this at all.. Please help? :) 
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Equation Math Math Help Volume

02/21/16

Solve the volume of a cone, V = 1/3pr^(2)h, for h.
Solve the volume of a cone, V = 1/3(pi)r2h, for h.
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02/19/16

Help with these equations
Perform the indicated operation. Write answers in the form a+bi    (7+i) - (3-4i)   (4-i)(3+7i)
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Equation

02/19/16

Solve the following equation please
5(2x+3)=7x-3      
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02/18/16

did i solve this correctly?
Solve the equation. Check all proposed solutions. Show work in solving and in checking, and state your final conclusion. (x + 3)/(x + 1) + 2/(x2+ x)=0   (x+3)/(x+1) +... more
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Equation

02/15/16

Each time you fold an ordinary sheet of paper in half, you double the thickness.
Each time you fold an ordinary sheet of paper in half, you double the thickness. A single sheet of 20-pound bond paper is about a tenth of a millimeter thick. Find an exponential formula that... more
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Equation

02/11/16

Mary started with 3 dollars in her piggy bank. Each month, her mom doubled the amount in the piggy bank. What is the equation for this situation?
Bdudjddbjdndndjfjfnfbfbfbf
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Equation

02/06/16

what is the equation of the line (0,2),(2,5)?
I need help solving the equatiion   What is the equaition of the  line (0,2),(2,5)?
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