# Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

91,718 questions, page 396-
## MATH

A is the midpoint of BC. BA=2x+5 and BC=5x-3. solve for x and find the length of BC

*asked by BOB on January 16, 2011* -
## math

x-3y=1 x2-2xy+9y2=17 solve simalteneously

*asked by motlhalefi on January 16, 2011* -
## Algebra 2

Solve each equation below for x. (Use logarithms.) 10^(2x^(2)-5x+11) = 10000 9^(2(x-1)) = √(27)

*asked by Peter on February 19, 2012* -
## Algebra

Solve the inequality and graph. 7-12 Is that correct?

*asked by Emma on December 9, 2012* -
## Algebra 2

s=prt solve for t Don't know where to start help!

*asked by Becky-G on September 23, 2016* -
## algebra

Solve the equation-5y-9=(y-1)answers are-1/2, -2 1/2, -2, -4/5thank you

*asked by tina on February 24, 2014* -
## 11th grade

How do you solve for x^2 + square root of 6 times x -3 is > or = to 0?

*asked by Mike on October 2, 2010* -
## Math

Order of operations Solve: 8_2_1_3_4=5

*asked by melanie on October 2, 2010* -
## Math

solve the equation: 1/3+5/27=4/9-8m-2/3+9m+2/27 please please please i need help on thissss!!!!!! =D

*asked by Marcie <3s Jeffrey on January 12, 2011* -
## Algebra 2

Solve the equation x-1= square root 3x+15

*asked by Ashley on December 7, 2012* -
## Algebra2

Solve the equation 3^5sqrt(x+2)^3+3=27 My answer is 30

*asked by Steve on February 3, 2017* -
## algebra

(2x^2-8x-42)/6x^2=(x^2-9)/x^2-3x How do you solve this problem? Please list the steps.. Thank You

*asked by Shawn on January 27, 2010* -
## math help

can u solve x and y simalteneously for me thanks in advance x-3+2y=0 2y^2+3x^2+4xy=9

*asked by happy on March 30, 2015* -
## algebra

Solve using the addition and multiplication principles. 8-8y-5y < 47

*asked by Linda on September 7, 2009* -
## calculus

In a problem where you have to solve the limit f(x) as x approaches x sub zero, what does x sub zero mean?

*asked by Kaitlyn on August 8, 2011* -
## MAth

Solve 0.9x-3.6=3 for x, round to two decimal places

*asked by Anonymous on May 20, 2016* -
## Math Help Please

I can't solve this problem: 4x^3 + 5x^2 - 12 + 27/(x + 3) A. 4x^2 - 7x + 9 B. 4x^2 + 7x + 9 C. 4x^2 - 7x + 27 D. 4x^2 + 7x + 27 I can only get 4x^2 - 7x + 21 but obviously that isn't an answer..

*asked by Amy on February 18, 2015* -
## algebra

Use the distributive property to help solve the equation. 8(w-4)=-32 w =

*asked by Cassie on September 8, 2009* -
## Algebra 2

solve the equation x^2 - 3x^2-22x+24=0 do you use a graph?

*asked by Nancy on February 22, 2015* -
## Calculus

Solve the inequalities a)6x3+5x2

*asked by Zukii on January 13, 2011* -
## 10th grade

how do i solve X2 +4X-60 (the 2 after the x is supposed to stand for squared.)

*asked by arricka on September 7, 2010* -
## maths

solve this equation. log (2x + 1) base 2 = -3

*asked by Shane on May 8, 2013* -
## math

The area of a circle of radius r is A=πr^2.Solve for r. Please help!!!!!!!

*asked by Andrea on April 13, 2018* -
## Algebra

Solve y=1/4x-1 if the domian is (-4, -2, 0, 2, 4) Please help me answer thank you for in advanced!

*asked by brooke on January 28, 2010* -
## math

(please help me to solve this question) solving equation (1+x)^2/3 + (1-x)^2/3 = 4(1-x²)^1/3 are, value of x is

*asked by Nithin on September 13, 2014* -
## Algebra 2

Solve the equation x^3 - 3x^2-22x+24=0 do you use a graph?

*asked by Nancy on February 22, 2015* -
## Pre-Calculus

Solve the equation over the interval [0,2π) 4csc^2+1 = 0

*asked by Taylor on March 9, 2009* -
## Algebra 1

Solve 8x-9

*asked by esther on December 17, 2010* -
## Math

P;ease help me with the steps to solve this ratio 34:20=2:?

*asked by Rayne on September 7, 2014* -
## Math

Explain how you can solve 40 * 16 breaking apart the numbers?

*asked by Anonymous on October 15, 2018* -
## Algebra

How do you know when to solve a quadratic equation with factoring?

*asked by Bas on April 11, 2018* -
## math

Solve for s and t if 16/(y-2)=4st. I don't remember how to get y by itself so if someone could tell me how do that I would appreciate it.

*asked by Anonymous on September 8, 2009* -
## Math

Solve the equaton by completing the square. 4x^2-8x-3=0

*asked by Ashley on August 3, 2011* -
## 11th grade

4 x^3 - 4x^2 - 11x + 6 = 0 Need to solve the equation algebraically

*asked by sarabeth on September 13, 2010* -
## math

solve for sinx=cos2x (between 0 and 2pi)

*asked by rachel on September 1, 2011* -
## math

solve(x-1)^2=-4..... i used the quadratic formula but got stock ... please help thank you

*asked by devon on May 16, 2012* -
## Algebra 1

May I please get some help on how to solve this one step equation? 1/3x=12 All I need is for someone to walk me through it

*asked by Badger on September 26, 2018* -
## Math

y - 5 / 3 = 1 Could someone help me solve this equation? I'm stuck and I need an explanation on how to get it, please and thank you. (:

*asked by ShookySuga on December 7, 2018* -
## Algebra

Solve the equation w=Cr^-2 for r. This is what I got so far.... w/C=r^-2 Then I think it's... ok so I don't really know. I want to put w/C=1/r^2 but the r is still not alone and I'm not sure where I'd take it from there. Please help.

*asked by Anonymous on February 5, 2011* -
## mathematical physics

Solve the initial value problem. d^2x/dt^2+2dx/dt-3x =0, x(2π) = 1, x(2π) = 13

*asked by gourav on March 28, 2015* -
## maths

solve 43x+67y=-24 67x43y=24

*asked by devika on September 27, 2018* -
## Math

Solve for unknown quantity in each proportion K/3 = 3/9 A 1 B 3 C 9 D 27

*asked by Kyra on May 11, 2018* -
## algebra

how to solve this?? 13y=10 x+Y+Z=39 16x=13z

*asked by aldren on January 19, 2011* -
## Maths

Solve the equation 3log3 x-log3 x=2?

*asked by Pedlo on July 21, 2019* -
## Algebra

Solve for B. b(to the 3rd power) = 1,331

*asked by Seeeira on February 4, 2011* -
## Algebra

Solve for B. b(to the 3rd power) = 1,331

*asked by Seeeira on February 4, 2011* -
## math

Solve this equation: -9h - 6 + 12h + 40 = 22. can u please help i'm lost here.

*asked by me on February 5, 2010* -
## Calculus

Solve the integral (x+3)/(x-1)^3 So far, I'm stuck. This is what I have thus far: x+3 = A(x-1)^3/(x-1) + B(x-1)^3/(x-1)^2 + C(x-1)^3/(x-1)^3 x+3 = A(x^2-2x+1) + B(x-1) + C x+3 = Ax^2 - 2Ax +Bx + A - B + C x+3 =Ax^2 + 1(B-2A)x + (A - B + C)

*asked by Mike on September 22, 2018* -
## calculus

Solve the functional equation y(t+2)- Sy(t+1) + 6y(t)=0 If y(0)=5 and y(1)=1 find y(2) and y(3) How?

*asked by dema on July 24, 2019* -
## math

solve using the multiplication principle. -3/7x=6/35 I really need help with this problem. Thanks

*asked by cindy on November 12, 2010* -
## math

Solve by factoring: 12 w(squared) = 28w +5

*asked by Jane on February 12, 2012* -
## SCHOOL

SOLVE USING ADDITION AND MULTIPLICATION PRINCIPLE 6X-7

*asked by AMANDA on July 24, 2011* -
## Hard math

Solve by using the multiplication principle -2x> 1 over 9 I have tried this problem and can get no where with it can someone please help me????

*asked by Sally on January 19, 2011* -
## Math

Solve by using the multiplication principle -2x> 1 over 9 I have tried this problem and can get no where with it can someone please help me????

*asked by Brad on January 19, 2011* -
## math

I am solving a problem and have -cos(a)=-1/2. How do I solve for a?

*asked by Lyndsay on February 28, 2015* -
## math

I need help solving this problem please. Solve the equation. (x-2)(2x+1)=0

*asked by meka on April 21, 2013* -
## Algebra

r= -0.075t + 3.85 solve for t r=3.7 -0.075t + 3.85 < 3.7 -0.075t + 3.85 - 3.85 -0.185/-0.075 This is as far as I can get - now how do you solve for t?

*asked by Shirley on February 6, 2011* -
## algebra

Which properties did Carmen use to solve the following problem? 17 + (45 + 23) 17 + (23 + 45) (17 + 23) + 45 40 + 45 85

*asked by garrett on November 17, 2011* -
## math

solve for all real# sin2x(csc2x-2)=0

*asked by Anonymous on February 8, 2010* -
## maths

solve the linear equation: 3X2y-7=19,4y-y+27=4y-52=32.?

*asked by jonathan ahmadu on January 15, 2013* -
## math

solve sin t= .6 on the interval 0

*asked by Scott on November 28, 2011* -
## maths

solve the linear equation: 3X2y-7=19,4y-y+27=4y-52=32.?

*asked by jonathan ahmadu on January 15, 2013* -
## Algebra

Solve each of the following equations by first expanding the brackets. a) 4(5 - b) = 18 b) 2(1 - m) = 13 c) 5(3 - x) = 19

*asked by student #1 on July 28, 2019* -
## Math

Log8 4 + log16 2 x log 27 81= x solve for x

*asked by John on February 11, 2012* -
## Mathmatics

2a+6b-3(a+3b) raised to the power of 2 solve with steps

*asked by Nipunika on December 12, 2012* -
## algebra

how do you solve this compound inequality 5>-4x+4 or 9

*asked by Sarah on January 22, 2010* -
## math

i solved by factoring like this: 3x^2+5x-12=0 (3x+4)(x-3) -4 +3 x=-4 x=3 now i need to solve by the form x^2=k How do I do that?

*asked by keith on February 7, 2011* -
## Math

Solve integration using u substitution of (x+1)sqrt(2-x)dx

*asked by Hannah on January 17, 2011* -
## Solving an Equation in one variale

If x belongs Z, Solve the equation sq.rt(1) + sq.rt(2) + sq.rt(3) + .......... + sq.rt(x^) + sq.rt(x^+1) + sq.rt(x^2+2) = 5190

*asked by Jerrie on April 21, 2013* -
## maths

solve algebraically to 2 decimal places : 3(x-2) = x x 3

*asked by Amy on February 8, 2010* -
## Algebra

Use factoring to solve the equation: x^2+13x+36+0

*asked by Blanca on April 23, 2009* -
## 8th grade math

I have no idea how to solve this problem. Can someone help me??? 3x+3y=-6(this is a negative 6) 7x+4y= 1

*asked by lila on December 21, 2010* -
## math

solve for y' in the function y=sec^3(2x)-3sec2x

*asked by mica vega on July 14, 2015* -
## Algebra

Solve for x. Round to the nearest hundredth. ln x = − 4/9 x =

*asked by Tanya on May 3, 2013* -
## math

Solve the trigonometric equation 3sinθ=1.2 for 0≤θ≤4π

*asked by Pam on March 31, 2014* -
## geometry

Solve for x, given that ABCD is an isosceles trapezoid, AC = 2x + 12, and BD = 4x - 30.

*asked by Octaisha on January 16, 2012* -
## Math

Solve the following equations for x: X = 2 + (1/x) , X = 3 + (1/x) How do I do this type of problem? Thanks

*asked by Jon on February 6, 2011* -
## Math

How do i solve 2x+y > -3? And how do i graph it. This is Linear inequalities.

*asked by David on May 3, 2012* -
## Calculus

How did I solve this? Find the change in y if x changes from 1 to 3. The equation is y=f(x)=2x^2+5

*asked by Avalon on September 28, 2010* -
## Algebra

Solve for x. Round to the nearest hundredth. ln(x) = -1.8 x =

*asked by Tanya on May 3, 2013* -
## Algebra

Solve the inequality : 6/-5 < -18 i know it's false but it as some answers like 1. G < -23, 2. G > -90, 3. G >90, 4. G

*asked by melanie on December 10, 2018* -
## Math

Solve integration using u substitution of (x+1)sqrt(2-x)dx

*asked by Hannah on January 17, 2011* -
## math

Solve the following equation. ( x^2 + 8x + 7 = 0 x = 1 (smaller value) x = 2 (larger value)

*asked by latesha on December 17, 2011* -
## Diff eq

y'(x)=sqrt2y(x)+7, y(4)=1 Solve the seperable diff eq

*asked by Melissa on February 24, 2013* -
## Equation solving

Perpendicular. To x-3y=2 and contains ( 2,4) 2). That is parallel to 2x+5y=4 I don't get how to solve and use y=Mx+b

*asked by Jessica on January 23, 2014* -
## Math

Solve the following for the indicated variable. V=Bh for h(volume of a prism)

*asked by Aaron on October 3, 2012* -
## Math

how do you solve an equation with letters on both sides example y+1/2=-1/3(x+1/2)

*asked by Sam on November 3, 2008* -
## 8th Grade Math

5/2t - t = 3 + 3/2t I'm having a hard time to solve this problem >.

*asked by Cassidy on August 26, 2013* -
## Math241

How do I solve x^2+4y^3=-828 at pont (-6,-6) The slope=

*asked by Richard on October 4, 2012* -
## Algebra 2

solve the equation: x^2-x+2=0 is 1+9i/2 the correct answer?

*asked by Kiley on November 3, 2008* -
## geometry

I have a quadrilateral which is a rhombus and E is at the intersection and DE =2x+4 and DB=6X. How do I solve for x and DB?

*asked by shaelyn on April 5, 2011* -
## Algebra

Pytheorem Quadratic Help me solve this problem x^2(2x+6)(2x+4)

*asked by Mari on August 11, 2014* -
## algebra

Find the root (solve) of each equation. a)1/3 (2w-6)=-10 b)3a-7/4=4a+5/3 c)3k/2-k+3/3=8-k+2/4

*asked by bev on October 27, 2009* -
## Maths algebra

Solve: 66x^3+5280x^2-56847=0

*asked by Rabin on August 6, 2017* -
## algebra I

how do I solve for 16x^2+56x-120

*asked by Julia on March 6, 2013* -
## algebra 1

18t + 11v = w -13t solve for t

*asked by kamryn on October 15, 2015* -
## polynomials and polynomial functions

Solve the equation 3z3 − 300z = 0.

*asked by Anonymous on August 11, 2014* -
## High School Math

Solve the equation. -5=c/7 A. -7/5 B. Ã¢â‚¬â€œ12 C. -5/7 D. Ã¢â‚¬â€œ35 I got C but not sure how to do this

*asked by Brian on October 3, 2012* -
## Algebra

Solve the following proportion. 2/15 = 13/x A: 390 B: 1.73 C: 2.31 D: 97.5 *** Can someone explain why its 97.5??

*asked by Lexi on November 1, 2016* -
## Algebra 2

solve square root 2x-5 =7 the 2x -5 is under the sqaure

*asked by Zach on March 11, 2015*

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