# 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 287-
## help

help show graph for 4(x+7) < 2x+31

*asked by Anonymous on February 15, 2011* -
## help

help show graph for 4(x+7) < 2x+31

*asked by Anonymous on February 15, 2011* -
## Mathematics

Show that y=|x-3|is not differentiable at x=3

*asked by Syam on December 29, 2014* -
## Algebra

Show that (1-2*x*y+1)/(x^2*y-x) simplifies to -2/x

*asked by Al on February 14, 2011* -
## algebra 2

2x^2-5x-3 show all the step please thanks

*asked by lisa on December 19, 2012* -
## College Math

Could you show me how to do 5z/7 - 5z/8 = 1 The answer is 56/7 But how did they get it ?

*asked by HM on October 2, 2011* -
## language arts

hw do i show you my answers

*asked by hailey on September 12, 2012* -
## 5th grade math

please show how to get the answer... w>2 d+64

*asked by casey on March 16, 2011* -
## math (fractions)

could you show me how to multiply 1/3 and 3?

*asked by popcorn010 on January 13, 2011* -
## math

Show that Sn is non-abelian for n>=3

*asked by Jackie on October 11, 2011* -
## math

2-4n=10 please show how you get the answer thanks

*asked by paul on September 22, 2011* -
## math

Show that one and only one of x,x plus 2 and x plus 4 is divisible by 3?

*asked by Dwithun Basumatary on June 26, 2013* -
## Philosophy

Show that (P → Q) ↔ (¬P ∨ Q) in fitch

*asked by Ashley on March 29, 2013* -
## Maths

1/3[22(x-8)+1=19.Show working

*asked by Anonymous 1 on January 27, 2011* -
## math

show me from least to greatest 6/11, 2/3, 4/7, 9/10, 15/22, 1/4, 2/5, 7/9, 1/6, 5/8

*asked by christine on March 20, 2014* -
## math

65% of 24.6 = 15.99 show me the calculation

*asked by Anonymous on January 28, 2012* -
## math

Can i show you a thing i need help with...

*asked by Amber on December 5, 2011* -
## Pre-cal

10.2 can someone show me this graph(x+2)^2/4+(y+2)^2/15=1

*asked by sandra on April 18, 2012* -
## Math

Show that tan(45/2)=2^1/2 - 1

*asked by Tommyt on February 9, 2013* -
## math

Show 2 more in a set with 5. Show 3 less in a set with 12.

*asked by Geanna on October 23, 2012* -
## science

how do you show staregy

*asked by sam on December 7, 2010* -
## math

x/4+2=1 -3+x/1=-3 please show steps thanks

*asked by paul on September 22, 2011* -
## math pre-algebra

1.x/4+2=1 2.-3+x/1=-3 please show steps thanks

*asked by paul on September 22, 2011* -
## pre-algebra

x/4+2=1 show step

*asked by rose on September 22, 2011* -
## maths

how to show the working out for 1.3*1.8

*asked by kirsty on October 17, 2014* -
## mat/simultaneous equation

2x-5y=13, 5x-3y= -15 can anyone show me how to find out the value of x , y please,thanks

*asked by wan on June 29, 2014* -
## math/algebra

What is the product of 11/15 and 12/7? Can you show me how this is done please?

*asked by Anonymous on May 30, 2012* -
## Algebra 1

6y^-3 Can you show steps on how to do this

*asked by Karen on December 5, 2013* -
## algebra

What is the product of 11/15 and 12/7? Show how this is done please.

*asked by Anonymous on May 29, 2012* -
## chemistry

show that 1mg/L = 1g/m3

*asked by Maria on January 15, 2011* -
## algebra 1

can someone show me how to graph this x+4y=8

*asked by robbie on January 15, 2011* -
## math

m=2/3 trying to help my child can someone please show me how to do this

*asked by ffe on August 27, 2014* -
## maths

Let a, b, c and d be vectors. (i) Show that (a - b) * (a + b) = a^2 - b^2

*asked by Jess on February 6, 2013* -
## vector algebra

For any two vectors u and v show that (u.v)^2-[(u.v)×v].u = u^2v^2

*asked by gourav on March 27, 2015* -
## math

Show that (-2;-6) (2;-4) and (4;-3) are collinear

*asked by lerato on August 30, 2014* -
## math

show me how to subtract 11/16-3/4=

*asked by pat on November 26, 2010* -
## math

-2x^2

*asked by Ellie on October 6, 2009* -
## mathematics need help

Given that y = e^f(x), show that y' = f'(x)e^f(x). Hence, find y' when f(x) = x. Given that y = e^f(x), show that y' = f'(x)e^f(x). Hence, find y' when f(x) = x.

*asked by philip on September 27, 2016* -
## math

show 3/8,3/4,1/4,2/4,and 5/8 from least to greatest

*asked by pj on May 13, 2016* -
## math

in = x out = x negative 2 so if 4 is in then what is the out please show how you got it

*asked by sam on May 6, 2010* -
## Maths

If y=tan^2x, show that d^2y/d^2x=2(1+y(1+3y)

*asked by Ande2 on May 9, 2019* -
## math please help

someone please show how to do Simplify, if possible: 6x^2y^3+9x^2y^3/3x^2y^2

*asked by sharon on November 27, 2007* -
## Math(Please help)

Show that (f X g)(x) = (g X f)(x) = x for f(x)= 3x-5 and g(x)= x+5 / 3 I have know idea how to do this.

*asked by Hannah on November 8, 2010* -
## math

by simplifying,show that (2x-3)(2x+3)-(x-4)^2= 3x^2+8x-25

*asked by xavier on April 9, 2008* -
## mathematical phyaics

For three vectors u, v and w show that: (u×v).[(v×w)×(w×u)]= [u.(v×w)]^2 .

*asked by gourav bhardwaj on September 13, 2016* -
## math

Why do graphs show "other"?

*asked by stacey on August 25, 2009* -
## math

Show that x^2+y^2-6x+4y+2=0 and x^2+y^2+8x+2y-22=0 are orthogonal.

*asked by dan on July 9, 2010* -
## Math

What's -6 + 2/12? Could you please show your steps? Thank you! :)

*asked by Hanna on November 3, 2015* -
## Algebra

s+(s-$0.45)+(s-$0.45)=$9.65 Please show me how to do this problem.

*asked by Rusty on October 17, 2007* -
## 8th grade

3x^2 - 1/3 = ? please show steps

*asked by Spanky on December 2, 2008* -
## Algebra

Please show steps need help! 7y + 1 < y - 5

*asked by Anonymous on October 12, 2010* -
## inverse operations - maths

what is a 6a + 12 = 55 - 2a please show workings

*asked by patricia on April 28, 2009* -
## maths

6a + 12 = 55 - 2a please show workings

*asked by patricia on April 28, 2009* -
## 11+ maths inverse operation

a = ? 4a + 12 = 7a - 9 please show workings

*asked by patricia on April 24, 2009* -
## MATH

1. Show, from the definition, that if A:B::C:D and C:D::E:F then A : B :: E : F.

*asked by Sara on March 13, 2017* -
## Maths

If y=tan^2x, show that d^2y/dx^2=2(1+y)(1+3y)

*asked by Ande2 on May 13, 2019* -
## Math

Let A and B be sets. Show that A\B(A\B) ⊆ B.

*asked by Winston on January 26, 2017* -
## algebra

Can someone show me how this would be simplifyed? 5^1/2 * 5^1/4

*asked by C on July 10, 2008* -
## math

Help subtract 7 4/5 from 18 6/15 Can someone show me how to do this please

*asked by Debbie on November 5, 2008* -
## math

How can you draw to show 42

*asked by shenique on March 18, 2016* -
## science

what does a cladogram show

*asked by bob on November 20, 2018* -
## math

show how to use four two's to get the quanity 14

*asked by mooch on September 2, 2007* -
## 4th grade

how do i show my answer for 2/3 of 90 = 60

*asked by kyndal on February 11, 2010* -
## maths

show that (4-

*asked by yvonne on May 11, 2017* -
## Math

Let A and B be sets. Show that A\B(A\B) ⊆ B.

*asked by Winston on January 27, 2017* -
## Math

Let A and B be sets. Show that A\B(A\B) ⊆ B.

*asked by Winston on January 26, 2017* -
## math

32.5 - 45.8 please show steps!

*asked by Andrew on September 17, 2010* -
## algebra

can you show me how to log 36=x

*asked by jay on June 6, 2010* -
## math

2x-3y=17 and 5y=-11 and Y show me how to figure out what is the value of x and y?

*asked by leslie on August 15, 2018* -
## laplace transformation:help damon or steve or rein

y"'-3y"-3y'=x^2e^x where y(0)=1, y'(0)=2, y"(0)=0 show step

*asked by mayeriwe on April 13, 2017* -
## Math

x^8y^-5 over z^-4 Can you please show me how you got the answer. Thanks

*asked by Heather on May 9, 2010* -
## Math (Vectors)

Show that x dot y = 1/2 ( |x + y^2| - |x|^2 - |y|^2 )

*asked by Michelle on February 28, 2008* -
## Math

What is 1/2% of 18 Can you show me the steps please?

*asked by kelley on February 4, 2018* -
## Algebra

How come there are no x intercepts for x^2-x+(5/4)? Can you show me why, please?

*asked by Erin on November 8, 2009* -
## Precalc

Can someone show me how to simply this: (5x^3 y^-1 z^-5)^-3 (x^2 y^0 z^-6)^2

*asked by Johni on August 26, 2015* -
## math

2x-3y=17 and 5y=-11 and Y show me how to figure out what is the value of x and y?

*asked by leslie on August 15, 2018* -
## mathematics-Algebra

3^x=9x please show workings

*asked by p1 on March 16, 2016* -
## Maths

If dy/dx = 8x - 3x^2 , then how you show that dy/dx is postive when 0

*asked by Remy on October 18, 2010* -
## Maths

Show that Cos 22.5=√2+√2/2

*asked by Ande2 on March 28, 2019* -
## Algebra

2{3x-(x-3)}=3(x-3) Can you please show me the steps on how to do this.

*asked by Melonie on August 23, 2010* -
## calculus - vectors

Show that x dot y = 1/2 ( |x + y^2| - |x|^2 - |y|^2 )

*asked by Michelle on February 28, 2008* -
## Algebra 1 HELP!

x+5/8+3x/4=2/3+5x Please show how you got the answer!

*asked by Anna on September 17, 2007* -
## math

can someone show me how to graph y+1=-3/2(x-0)

*asked by meme on September 11, 2010* -
## Reposting calculus help plz

Dy/dx=(X+x^3)/y help show working

*asked by Collins on January 1, 2016* -
## maths

show me the answer

*asked by dushimyimana regis on January 28, 2019* -
## math

how to show that 7/8 is bigger than 5/6

*asked by allison on November 13, 2008* -
## math

2x-3y=17 and 5y=-11 and Y show me how to figure out what is the value of x and y?

*asked by leslie on August 15, 2018* -
## Math

Given is the series 1+2+3+4+5+...+n Show that n(n+1)\2

*asked by Linda on January 22, 2019* -
## science

2) A roller coaster is at the top of a 98.2 m hill and has a mass of 1831.0 kg. It is traveling at a velocity of 23.7 m/s. What is the coaster car's TOTAL energy? I used the eg=m*g*h equation and got a value of 1762081.16 .. i then used the ek=1/2mv^2 and

*asked by Mary on December 7, 2009* -
## Math

Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. (Round your answer to the nearest cent.) $500 balance, 20% rate, $50

*asked by Anonymous on March 13, 2012* -
## ALGEBRA

Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. (Round your answer to the nearest cent.) $500 balance, 20% rate, $50

*asked by MONICA on November 26, 2011* -
## Business Math

Deduct Social Security, Medicare and FIT (by percentage method) from earnings. SS rate is 6.2% on 97,500 and 1.45% for Medicare. Richard is $1000 below the maximum level for SS earnings. He is married, paid weekly and claims 2 exemptions. What is Richard's

*asked by Kimberly on February 22, 2010* -
## dog behavior

please check my answer thanks Latent learning becomes evident when A. a puppy grows up B. the animal is motivated to perform C a dog has failed with the trial-and-error method D. a dog experiences social facilitation I picked A because latent learning

*asked by Anonymous on April 17, 2008* -
## Chem

Please tell me if these are right! What are the [H3O+] and [OH-] for a solution with the following pH values? a. 10.0 I got 1.0*10^-10 for [H3O+] and 1.0*10^-4 for [OH-] b. 5.0 I got 1.0*10^-5 for [H3O+] and 1.0*10^-9 for [OH-] c. 7.00 I got 1.0*10^-7 for

*asked by Jessica on December 8, 2010* -
## Chemistry

Calculate [H3O+] in the following aqueous solution at 25 ∘C: [OH−]= 1.9×10−9M Calculate [H3O+] in the following aqueous solution at 25 ∘C: [OH−]= 2.1×10−2M Calculate [H3O+] in the following aqueous solution at 25 ∘C: [OH−]= 6.1×10−12M

*asked by Brandon on April 29, 2014* -
## Chemistry

Can someone please tell me if I am doing this problem correctly. Thank you! Given: 450 mL (0.450L); 0.250 M KNO Need: Mass of KNO Q) What mass of KNO3 (MW=101) is needed to prepare 450mL of 0.250 M KNO3 in water? A) 0.450 L Solution x 0.250 M KNO/1 L

*asked by Kishwa on April 1, 2013* -
## Chemistry

You are required to prepare 100g of potassium nitrate crystals from its saturated solution at 75 degree Celsius. If the solubility of potassium nitrate at 75 degree Celsius is 155g and 20 degree Celsius is 31g, find the weight of potassium nitrate solution

*asked by Sagnik on September 18, 2016* -
## Physics

The (nonconservative) force propelling a 1.50E3 kg car up a mountain road does 4.70E6 j of work on the car. The car starts from rest at sea level and has a speed of 27.0 m/s at an altitude of 2.00E2 m above sea level. Obtain the work done on the car by the

*asked by Matoro on December 9, 2012* -
## World History

What was the impact of the Napoleonic Code? 1.) it became the set of civil laws adopted throughout Europe and other parts of the world. 2.) it established a way to use sociology to categorize European citizens for taxation 3.) It was the central method of

*asked by Kayla on February 23, 2018* -
## Physics/Math

A single force acts on a 5.0 kg particle-like object in such a way that the position of the object as a function of time is given by x = 3.0t - 4.0t 2 + 1.0t 3, with x in meters and t in seconds. Find the work done on the object by the force from t = 0 to

*asked by Technoboi11 on March 1, 2007*

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