1,081 Answered Questions for the topic Equations

Equations Math Algebra 2

05/18/14

5^y=5^2y+4
Solve for y I guess? not sure... ? :l
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Equations

05/16/14

-7(2-2x)=-98 its equations
-7(2-2x)=-98 its equations      
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05/13/14

-20 = -4n - n
Need help with math homework. It's about solving multi step equations.
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Equations Math

05/12/14

What are the set of solutions for y=2x-4
Me and my son have been struggling to find the set of solutions. We need answers
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Equations

05/07/14

how do I get bolth "x's" one one side
during a equation   
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05/07/14

word problem library
The number o books in a small library increase according to the function B=6,700e0.03t, where t is the measure of years. How many books will the library have after 2 year(s)?   a) 7,693 b)... more
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05/02/14

solving rational inequalities with a sign chart
Hi, i have 2 application questions about rational inequalities that i hope you will help me solve and explain to me how are they solved:1)When successful new software is first introduced, the... more
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04/27/14

Temperature and equations
 The change in temperature in a certain chemical reaction is given by the equation:T(x)=-0.324x^3+10.3x^2-3.23 x is the length of elapsed time since the start of the reaction and T(x) is the... more
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Equations Algebra Proportions

04/23/14

There are a total of 135 seats, 118 front handlebars, and 269 wheels. How many bicycles, tandem bicycles, and tricycles are in the shop?
There are some bicycles, tandem bicycles, and tricycles. Also, when is says 118 handlebars, it just means the ones in the front, so the problem is only counting 1 handlebar for each of the tandem... more
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Equations

04/22/14

what is the equation for x + y = -3
I need (4) ordered pairs
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Equations Math Geometry Math Help

04/21/14

Write an equation of a line parallel to y = x -5 in slope-intercept form that passes through the point (-6, -1).
y= x + 3 y= x − 6 y= −3x − 1 y= 3x + 6
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04/17/14

Solve ,equation ,check all proposed solutions Show work
Solve the equation. Check all proposed solutions. Show work in solving and in checking.   √(x+7)-5=x
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04/17/14

Solve the equation. Check all proposed solutions. Show work in solving and in checking.

Solve the equation. Check all proposed solutions. Show work in solving and in checking.      x      +    x     =  102   x-3         x+3      x^2-9  
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04/15/14

Consider the equation. show work
Consider the equation 9x2 + 12x - 5=0. (a) Find and state the value of the discriminant, b2 – 4ac. Then state whether one real-number solution, two different real-number solutions, or two... more
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04/14/14

Equation help
Consider the equation 9x2 + 12x - 5=0. (a) Find and state the value of the discriminant, b2 – 4ac. Then state whether one real-number solution, two different real-number solutions, or two... more
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04/14/14

solution of the equation
Find the solutions of the equation 2x2 + 6x = 1. Show work
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04/12/14

Applications of Sinusoidal Functions and Their Derivatives
A differential equation is an equation involving a function and one or more of its derivatives. Determine whether the function y=πsinθ+2πcosθ is a solution to the differential equation d^2y/dθ^2 +... more
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04/12/14

points help show work
Consider the points (4,-7) and (-6, 13). (a) Find the midpoint. Show work. (b) If the point you found in (a) is the center of a circle, and the other two points are points on the circle, find the... more
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04/12/14

points help
Find the slope-intercept equation of the line perpendicular to the line x - 3y = 4 and containing the point (6,-9). Explain/show work.
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04/08/14

Differentiation Rules for Sinusoidal Functions
1. Find the slope of the function y=2cosxsin2x at x=π/2   2. Find the equation of the line that is tangent to y=x2sin(2x) at x=-π   3. Determine the second derivative for y=x2cosx
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03/31/14

help help help help
Loudon County Phone Company charges a $100 activation fee plus a monthly fee of $0.05 per minute for every minute over 200 minutes each month. (So, there is no monthly charge for 0 – 200 minutes of... more
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Equations

03/27/14

how do i write an equation with a focus of (1,1) and a directrix of x=6?
i dont know how to write this
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03/27/14

solve the equation and show work
Solve the equation . Show work.   11-(6x-3)=-2(2x+5)
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Equations Math Pre Algebra

03/23/14

How do I solve two step equations?
I am very confused with this problem, I do not know how to solve them  2k+16=4k   there are many others like this, and I really need to know how to solve them :)
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Equations

03/19/14

2x-3y-1 -2x +3y-1 AND -4x+7y - 2 -x-y-5
Please help 2 questions, solve and how many solutions? 1 inf or none
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