Saturday

September 20, 2014

September 20, 2014

Number of results: 93,915

**Algebra**

Explain the difference between solving a linear equation graphically and solving a system of equations graphically. How would I go about doing this?
*February 18, 2009 by Suzanne*

**solving exponential equations graphically**

e^(3-2x) = 4 How do I solve this graphically? Thanks. Make a graph of e^(3 - 2x) vs x for various values of x from 0 to 2. The answer will be in that interval. Where the graph crosses f(x) = y = 4, read off the value of x. That will be the answer. When x = 0, e^(3-2x)= e^3 = ...
*February 17, 2007 by Jen*

**algebra**

hi could you please take me through the steps of solving the simultaneous equation graphically thank you. y-x+4=0 y-8+x=0
*October 8, 2009 by lila*

**Solving rational inequalities**

problem #1 (1+x)/(2x+3)<1 algebraically problem #2 1/(x^2+2x+1) > 2 graphically TIA please ignore this
*February 7, 2007 by Jen*

**Math - Solving Graphically**

1. 8 + 7x =2x² I used my calculator to graph this and got x is about 4.41 and -.904 2. 1/3x² - 15 = 0 Again, I graphed on my calculator and got x is about 6.70 and -6.70 Are these answers accurate and is there another way to solve?
*September 1, 2010 by Anna*

**Trigonometry**

Add 3+ 4i and -4+2i graphically My class got 1+ 2 radical 10 /2 and 1-2 radical 10 /2 . whenever i put this into the y= graph, nothing shows up on the graph. Can someone tell me how to solve this algebraically and graphically?
*November 3, 2011 by Tomtom*

**MATH**

Solving by graphing DQ 1 Solving by substitution Solving by elimination Which method do you think would be best to solve this system? y=10x-8 y=1/2x+5
*October 19, 2010 by Anonymous*

**Algebra**

Solve each system graphically. #6. 4x - y = 9 x - 3y = 16 I need to find at least one pair of points that fit. I tried using the elimination method and got (5 and 6/7, -22), which did not even work for the first equation. I also tried graphing it but it was too hard to tell. ...
*February 18, 2009 by Suzanne*

**math**

Solve graphically y = 2x - 6 and y = -2x + 10
*November 13, 2011 by p*

**Algebra**

if y varies direct as 8, and y is -60 when x is -5, find y when x is 3. gurl i dont no i need help myself Assume y's direct function is either a multiplication or division; I chose the second one. So a trial shows y at -60 = x at (-5 + const 1) x const 2 all divided by 8. If ...
*December 5, 2006 by Ashley*

**math**

Determine the value graphically. 2^x+1-8=5^(1/3x)
*March 15, 2009 by Allison*

**math**

Solve this system of inequalities graphically 3-y<6, x>1, y<3
*January 23, 2008 by sarah*

**math 20 system of equations**

I have been solving system of equations graphically and using addition and subtraction and now I'm being asked: Give any linear system of two equation that has a solution of (3,5). Does it have to be in y=mx+b form and if so how do I do it? I've been trying to find an example ...
*October 12, 2010 by Sandi*

**math**

What strategy did you use in solving this problem? 22. Suppose that you wanted to find the whole numbers represented by each of the letters in the following addition problem: Which problem-solving strategy might be most helpful to you in solving this problem? (You need not ...
*January 20, 2010 by kim*

**Math**

What does it mean to solve a system of equations like y=x^2+4x-5 and y=x-1 graphically?
*May 25, 2009 by Angie*

**Math**

Can someone explain to me how to do this please!!! Solve the system of equations graphically: x+y>3 x-y<6
*May 15, 2008 by Anonymous*

**Math**

How can I prove that sqrt(x) > ln x when x > 0? I can quickly see this graphically and intuitively, but how do I do a proof?
*June 8, 2009 by Sean*

**Math**

Hello! I need assistance in solving for a side for a right triangle in trigonometry. Can anyone give me the easiest way/formula how to go about solving it? Thank you!
*November 26, 2007 by Jenny Lynn*

**Math**

Explain how solving a linear inequality is similar to solving a linear equation. Explain how solving a linear is different from solving a linear equation.
*February 8, 2011 by Cindy*

**math**

a rectangle with a perimeter 70 feet can have an area of 150 ft^2. use A(x) to demonstrate this fact algebraically and graphically.
*August 15, 2013 by Shelby*

**MATH URGENT**

a. Solve a – 9 = 20 b. Solve b – 9 > 20 c. How is solving the equation in (a) similar to solving the inequality in (b)? d. How are the solutions different? I dont know how to do this i forgot ... could u help (Steve, or Mrs.Sue, or Writeteacher plz help)
*January 18, 2013 by Gabby*

**math**

two forces 30 N and 40 N both tensile are acting at an angle 90˚ between them. Find graphically magnitude and direction of the resultant
*January 9, 2013 by amit*

**Math**

Explain how solving a linear inequality is similar to solving a linear equation. Explain how solving a linear inequality is different from solving a linear equation.
*February 8, 2011 by Cindy*

**macro-economics**

1.In an attempt to curb the problem of unemployment and win the forthcoming elections the government of the republic of zambia has decided to hire unemployed workers who had previously been receiving unemployment benefits as government employees and will now pay them to do ...
*February 13, 2013 by jean*

**math**

solve the following system of equations algebraically or graphically for x and y: y=xsquare-6x+6 y-x=-4 For an algebraicc solution, show your work here. y=x^2-6x+6 y-x= -4 Let's substitute x-4 for y in the first equation. x-4 = x^2-6x+6 x^2 -7x + 10 = 0 (x-5)(x-2) = 0 x = 5 or...
*August 12, 2007 by Tashanna*

**12th grade - Math**

Explain. 1.) To solve x(x-5)=0 either factor may be equal to zero. 2.) | 8-15i | = 17 3.) The solution for x^2 = -2 cannot be found graphically. [any help or explanation is greatly appreciated]
*August 26, 2010 by Liz*

**MATH**

Determine graphically whether each given point is a solution to the system of linear equations. y = 4x-9 y = -2x+3 (2, -1) Is there any good online graph which could help me plot the points and stuff?
*January 5, 2011 by Anonymous*

**algebra attn Reiny**

Thanks for your help with the solving of the three equations! Yes, it was a typo. I just finished solving it a long way, solving for the 1st 2 equations then the 2nd and 3rd and plugging in variables...etc. etc. Your way gave the same answer, but quicker, does your way always ...
*February 24, 2009 by Terri*

**Math**

Can someone correct it Evaluate the following expressions numbers 3-4 3) [(2+3)^3-4(5)]+7 My way of solving: [(5)^3-4(5)]+7 [123-4(5)]+7 [123-20]+7 [103]+7 My answer: 109 4) [25/ (2^3-3)]*2 My way of solving: [25/(8-3)]*2 [25/5]*2 [5]*2 My answer:10 Thanks for showing your ...
*November 24, 2006 by Jasmine 20*

**Math **

Is there a case when you might prefer algebraically over graphically solving a system? Why or why not? Think about the type of possible solutions and how the method might affect your choice. My answer: A case when I would prefer a algebraically would be trying to figure out ...
*May 28, 2014 by Emily *

**Math**

9(x+2)(x+1)-2(x+2)-4(x+1)=0 I'm in the middle of solving an equation. I know that you have to FOIL but how did they get 9(x^2+3x+2)-(4x+4)=0 ? I thought you distribute the 9 through (x+2)(x+1). and why is it (4x+4) instead of (4x-4) because -4 x 1 = -4 .... Please help me ...
*June 9, 2013 by Beth*

**equation**

solve graphically. x^2 + y^2 = 10 y = 3x
*September 6, 2010 by Melanie*

**maath**

How to do you solve this 3^x=9 graphically? What do I do. Thank you
*October 29, 2010 by alainia*

**maths**

solve 4x-3y-6=0; x+3y-9=0 graphically
*May 12, 2011 by kirthana*

**derivatives**

Applications of derivatives A rectangle has its base on the x axis and its upper two vertices on the parabola y=12 - x^2. What is the largest area the rectangle can have, and what are its dimensions. Support your answer graphically. Thanks. Well, the parabola is symettric ...
*November 18, 2006 by Jen*

**math prob:(**

a. Solve a – 9 = 20 b. Solve b – 9 > 20 c. How is solving the equation in part a similar to solving the inequality in part b? d. How are the solutions different?
*January 22, 2014 by Princess Anna*

**math**

a. Solve a - 9 = 20 b. Solve b - 9 > 20 c. How is solving the equation in part a similar to solving the inequality in part b? d. How are the solutions different?
*December 19, 2013 by victoria*

**MATH**

a.) Solve a - 9 = 20 b.) Solve b - 9 > 20 c) How is solving the equation in part a similar to solving the inequality in part b? d.) How are the solutions different?
*January 17, 2014 by Cindy*

**Math**

a.) Solve a - 9 = 20 b.) Solve b - 9 > 20 c) How is solving the equation in part a similar to solving the inequality in part b? d.) How are the solutions different?
*January 17, 2014 by Jenny*

**Pre-Algebra**

explain how the process of solving x/-2=8 is different form the procss of solving x/4=8?
*February 8, 2012 by taylor*

**Maath**

What does it mean to solve each equation graphically? 5x+7=32
*September 1, 2010 by Alexia*

**Solving Equations with variable on Both Sides**

I need help solving this. I've never been really good with fractions, so, thats probably why.: 3p/8 + 7p/16 - 3/4 = 1/4 + p/16 + 1/2
*May 3, 2008 by Mitch*

**college al**

x and y intercept y=2x^3√9-x^2 I know x=(a,0), y(0,b)but from here solving x i get 2x^4-6x^3, 2x^3(x-3), then what and solving for y i get (0,0)
*April 1, 2009 by john*

**phys**

1. A vector has (at minimum) how many parts associated with it? 2. When adding three vectors graphically one needs to: a. Spin each one like a spinner on a board game. b. Do nothing because more than two vectors cannot be added graphically c. draw all the tails at the same ...
*August 29, 2005 by Jawad*

**pre-calc**

how would you solve 3/(x+2) - 6/3x = 6/(3x+6) algebraically and graphically?
*November 20, 2008 by Allie*

**art**

two vectors x1 = (20 m) x and x2 (15 m) x, compute and show graphically (a) x1 + x2, (b) x1-x2 and (c) x2-x1
*July 8, 2009 by Anonymous*

**Precalculus**

How do you determine graphically any local and absolute extrema. f(x)=x2+2x-15
*September 19, 2010 by Amber Hill*

**ALGEBRAIC METHOD**

HOW CAN I SOLVE THE INEQUALITY GRAPHICALLY 3X^2 + 10X - 8 > 0
*November 21, 2012 by JACK*

**physics**

1. A vector has (at minimum) how many parts associated with it? 2. When adding three vectors graphically one needs to: 1. Spin each one like a spinner on a board game. 2. Do nothing because more than two vectors cannot be added graphically 3. draw all the tails at the same ...
*August 29, 2005 by Jawad*

**math,algebra**

Can someone help me with this problem I don't understand what to really do or even how to graph them I show what i have so far. Directions: Solve each of the following systems of linear inequalities graphically. Problem:
*January 2, 2007 by jasmine20*

**algebra,math**

can someone correct these. and help me DIrections:Factor (3) 4x^2-4x-15 My solving: 4*x*x-4*x-15 (the star means multiply my final answer: x^3-15 (the ^ means for exponent) (4) 5x^2-26x+5 my solving: 5*x*x-26*x+5 my final answer: x^3-16 I don't understand what you did. The ...
*December 12, 2006 by jasmine20*

**solving for x**

y=e^x how do i solve for x. i use the LN process right. i forgot how to do that ln(e ^ x) = x Leo, you have merely stated an identity. David was solving y = e^x for x, which would be x = ln y Thanks reiny.
*January 9, 2007 by david*

**science**

derive all equation of motion mathametically & graphically.
*June 25, 2008 by sangam*

**Algebra**

Solve the equation 5x+7=13-7x graphically. then check your solution algebraically.
*November 2, 2011 by Adri*

**checking answers 4 algerbra**

1. What percent of 120 is 48? 57.6%? 2. collect like terms. 17T + T + 15/13T= 249/13T? 3. solve using the principles together. 3x-6=12 i am solving for x=6? 4. solve using the addition principle. -37+n=19 i am solving for n= -18? 5. solve using the multiplication principle. -...
*November 8, 2009 by Nashea*

**checking answers 4 algerbra**

1. What percent of 120 is 48? 57.6%? 2. collect like terms. 17T + T + 15/13T= 249/13T? 3. solve using the principles together. 3x-6=12 i am solving for x=6? 4. solve using the addition principle. -37+n=19 i am solving for n= -18? 5. solve using the multiplication principle. -...
*November 8, 2009 by Nashea*

**MATH**

I've been having problems with solving equations that involve fractions with the following problem can I get some help for solving equations that involve fractions? x+1=2/3x Thanks for the help.
*March 14, 2009 by Jen*

**Science math, science, social studies**

a cyclist travels a distance of 4km from P to Q & then moves a distance of 3 km at right angle to PQ . Find displacement graphically
*July 31, 2012 by Rohan*

**Calc**

How do I solve the system of equations graphically, accurate to the nearest thousandth (x^2/2) + (y^2/5) = 1 y=(1/3)x
*August 19, 2008 by Jared*

**trigonometry**

solve graphically. Estimate to the nearest tenth if the roots are not integers. x^2 y^2 --- + ---- =1 9 4 3x-2y=6
*April 27, 2010 by kelly*

**algebra**

solve graphically,giving real roots to the nearest tenth. x2-4x+3=0
*May 6, 2012 by heaven*

**Maths - HELP PLZ**

HOW CAN I SOLVE THE INEQUALITY GRAPHICALLY 3X^2 + 10X - 8 > 0 Any help would be appreciated
*November 21, 2012 by Jack*

**PrecCalculus**

How do I find the domain of the funcition algebraically and support my answer graphically? f(x) = sqrt(x2) + (4)
*September 7, 2008 by Ginny*

**precal 2**

Reprenesent the complex number 5/2(square root of 3-i) graphically and find its trigonometric form.
*July 29, 2011 by danielle*

**maths**

Find the coordinates of the points of intersection of the straight line y = 3x - 6 with the parabola y = x^2 - 6x + 8 and solve Graphically.
*May 12, 2014 by Shane*

**chemistry 1**

k2=[H][SO4]/[HSO4] .012=(.01+x)(x)/(.01-x) Solve for x, and calculate pH where H is .01+x When I am solving for x does it become .012= .01x + x^2/ .01 -x.. what is the next step of solving for x?
*March 26, 2008 by lyne*

**Psychology**

Why is problem solving considered the highest level of mental activity? What makes an individual good at problem solving?
*September 10, 2011 by Linda*

**college algebra**

use completeing the square to describe the graph of f(x)=4-16x-x^2 support your answers graphically
*November 14, 2012 by ladybug*

**college algebra**

compare and contrast the ways in which solving a linear inequality is similar / dissimilar to solving a linear equation please explain
*September 9, 2014 by Debra*

**english**

For this sentence, What are the sources that prevent solving the issue? do i need the "in" between prevent and solving
*January 22, 2011 by blaking*

**pre algebra**

solve the following system graphically. Check your solution. 3x+y=9 -2y=x-8 I know im supposed to put it in y=mx+b form but i dont know how to.
*June 9, 2009 by Kim*

**maths**

Find the coordinates of the points of intersection of the straight line y = 3x - 6 with the parabola y = x^2 - 6x + 8. a) Graphically b)Prove your answer in (a) algebraically
*May 2, 2014 by Shane*

**Math Analysis**

What is the approximate horizontal distance traveled by a soccer ball that is kicked at an angle of 30 degrees with an initial speed of 60 feet per second? a) 84 ft b) 88 ft c) 93 ft d) 97 ft e) 105 ft ==> I tried solving it by solving for x in the equation cos30 = x/60, x ...
*January 10, 2010 by Emily*

**math**

k i need to solve the following system: 7x - 8y = 24 xy^2 = 1 i figured out that x = 1/y^2 and i can reduce it to : 7=24y^2+8y^3 but i don't know how to reduce it anymore after that I think I would solve it graphically, that is, plot on my graphing calculator the two original ...
*August 12, 2007 by ricky*

**Physics**

Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 65.0. Dog exerts a force of 256 and dog exerts a force of 344 . A) Find the magnitude of the resultant force. B) Find the angle the resultant force makes with dog 's rope. You can do this ...
*November 4, 2006 by kuwaiti*

**math**

please anwer these: 1) how can i multiply and divide polynomials containing radicals? 2) how can i solve radical equations? 3) how can i solve qudratic equations by factoring ? 4) how can i solve quadratic equations graphically ? thank you !!!!!
*August 13, 2014 by chen*

**Science Physics**

You walk 30 m south and 30 m east. Find the magnitude and direction of the resultant displacement both graphically and algebraically
*December 28, 2009 by Anonymous*

**Calculus**

I am having trouble solving this problem: "Find where the tangent line is horizontal for r=1+cos(theta)" I would really appreciate the feedback, I'd like to know how to go about solving problems like these. Thank you!
*March 1, 2013 by Anonymous*

**Chemistry**

I need help in solving this problem: A certain substance has a heat of vaporization of 42.46 kJ/mol. At what Kelvin temperature will the vapor pressure be 5.00 times higher than it was at 291 K? I know that I have to use the Clausius-Clapeyron equation, but what would I be ...
*February 24, 2013 by Confused*

**Math**

ok so i'm kinda sort of confused... I had this for a equation X^2 + 4X - 1 = 0 and then I was like zero??? zero... really zero... hmm... X^2 + 4X - 1 = dy ???????? That zero does represent when Y equals zero correct??? this allows us to solve for X OH!!!!!!!!!!!!!! wait so I'm...
*January 3, 2010 by Kate*

**algebra**

Explain the difference between solving a system of equations by the algebraic method and the graphical method. Someone also wants to know why there are different methods for solving the same problem-what would you tell him? Tiffany Oakes
*July 12, 2010 by kiMBERLY*

**Math**

Can I get some help? 1. If v = (-5, -3), -5 ||v||^2 2. For the following vector v, find ||u||, the unit vector with the same direction angle as v. V = -25j Does u = -j? 3. True or False: To graphically add two vectors, V+w, using the tip-to-tail method, place the tail of w to ...
*June 8, 2013 by mysterychicken*

**College Physics**

When I graphically find a vector sum and then analytically solve for the resultant, I am getting two completely different answers. Why might this be?
*February 28, 2010 by Anonymous*

**math 12**

i got the wrong answer from the back, and i know that imnot dooing it right. please try to help me on this hard question. THE ANSWER WAS:16 solve the equation: 3log(x-15)= (1/4)^x i dont know how to solve it algerbrically. the teacher doesn't want us to solve it graphically. ...
*June 2, 2011 by kajal *

**algebra**

Solve graphically. x-y=0 y=x² The reason I don't understand the question is the second equation with the x². How do I graph that? I'm not sure if I ever graphed with an exponent, and if I did, it was a long time ago. Thanks!
*February 19, 2009 by Tessa*

**algebra**

College Algebra Directions: Solve graphically: x^(2/3)+x^(1/3)-2=0 I just dont know how to approach this?!
*December 8, 2010 by Courtney*

**Algebra 2**

Solve this equation graphically. xy=-7 I dont understand how you get your points to graph this equation. please help
*April 6, 2012 by Anonymous*

**Algebra**

I am solving for sytems of equations using the elimination method. Book says answers are 0,-1. I have tried solving for both x & y using both the 5 and 25 . I am not getting the 0,1 as my answer. 5x-5y=5 25x-25y=22
*April 1, 2008 by G*

**math**

Please help solving this problem. Solve the following word problem: One poll reported that 48% of city residents were against building a new stadium. The polling service stated that the poll was accurate to within 3%. What is the minimum percent of city resident that oppose ...
*April 6, 2010 by bindiya farswani*

**System of equation**

solve system of equations graphically and check 2x - y = 5 3x + 2y = 4
*September 6, 2010 by Genevieve*

**physics**

Graphically solve for the WORK done if F= 40N @ 30 degrees and d= 12 @ 0 degrees.
*November 21, 2010 by russell*

**Math**

State domain, range, period, vertical asymptotes, zeros, symmetry and y-intercept of y = -2tan(3x + 180°) + 3 I just need to know if there is a formula to find the vertical asymptotes, symmetry, and zeros or do I have to solve it graphically. Thanks.
*March 5, 2010 by Matt*

**BUS 401**

Which of the following statments regarding the cost of preferred stock is true? a.It is typically found by solving for an annuity’s discount rate. b. It is tpically found by solving for an annuity's due's discount rate. C. It is found similarly to a perpetuity's discount rate ...
*January 19, 2014 by Leo*

**Algebra**

Okay, I think I have arrived at all the answer to the questions thrown my way. However, how do I explain what is happening “graphically”, where the services are charging same rate?
*December 17, 2009 by H*

**math**

Solve each system graphically. Be sure to check your solution. If a system has an infinite number of solutions, use set−builder notation to write the solution set. If a system has no solution, state this. 6x – 2y = 2, 9x – 3y = 1
*August 1, 2012 by Deb*

**Algebra**

I am trying to figure out the zeroes of 2x^2-7x-30. I did this graphically in a way that matched up with the answers in my book, however, I couldn't get it by distributing. I tried (2x+-10)(x+3) but that didn't get -7x in the middle as logic told me it should. How would you ...
*November 3, 2009 by Anneliese*

**lattice math**

Why should we estimate before solving a problem? We should estimate before solving a problem to make sure our answer is close to the real answer. Here's a simple problem. Suppose we want to find wnat a 6% tax on a $10 purchase would be. When you do the math, the answer depends...
*October 3, 2006 by marc*

**physics**

a cyclist travels a distance of 4km from p to q and moves a distance of 3km at right angle to pq .find his resulted displacement graphically
*May 30, 2011 by gunjan*

**physics**

a cyclist travel a distance of 4km from P to Q then moves the distance of 3km at right angle to PQ. find its resultant displacement graphically?
*July 11, 2011 by lala*

**AP Calculus**

Find the total area enclosed by the graph of y=(e^sinx)*(cosx) and the x-axis from x=0 to x=pi I got .0563331993 but when I checked it graphically I got 3.22765
*March 6, 2011 by Leanna*

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