algebra

Most popular questions and responses by algebra
  1. Algebra

    Find all the real square roots of 0.0036 A. 0.06 and -0.06 B. 0.0018 and -0.0018 C. 0.1897 and -0.1897 D. 0.6 and -0.6

    asked on February 26, 2019
  2. Algebra

    he spreadsheet shows the length of 3 movies in each of 3 categories. Choose the formula that could be used in cell B2.   A B C D E 1 Type of Movie Movie 1 (min. long) Movie 2 (min. long) Movie 3 (min. long) Mean Length 2 Animated 72 63 84 73 3 Drama 92

    asked on October 15, 2012
  3. algebra

    Arrange 9 square tiles having side of lengths2cm in different ways. Find the perimeter of The resulting figure in each case.

    asked on March 9, 2017
  4. math

    The wheelers' bill at a restaurant is $63.00.How much money should Mr.Wheeler leave as a tip 15%?

    asked on April 6, 2014
  5. Algebra

    Can someone check my work please? Fine the sum of the arithmetic series -4 + 1 + 6 + 11 + ..... + 91. I know that a1= -4, d=5, and a20=91. S20= 20/2 (-4 + 91) S20= 10 (87) S20= 870 The sum of the arithmetic series is 870.

    asked on April 26, 2019
  6. Algebra

    Hi, I just started learning about direct, joint, and inverse variation. I was doing a practice question and got -18 when the answer is -8. I'm having trouble solving the problem because my book only shows me how to find y not x. Please help me. If y varies

    asked on April 9, 2019
  7. algebra

    What is the quotient in simplest form? state any restrictions on the variable x^2/x+4 divided by x-2/x^2+x-12

    asked on June 3, 2015
  8. algebra

    Explain how you can determine from the graph of a system of two linear equations in two variables whether it is an inconsistent system of equations.

    asked on March 21, 2012
  9. spanish

    someone translate please Como son la mujer y las dos mudchachas del cuadro? Quien es la mujer, y que relacion hay entre ella y las ninas? Escrbibe una descripcion de las tres personas

    asked on September 28, 2010
  10. math

    There are 22 students on the debate team. The number of boys is two more than three times the number of girls. How many boys are on the team?

    asked on March 18, 2014
  11. Algebra

    ello i need help factoring I haven't had factorin sense Algebra one and now am in Algebra two and our school is screwed up were they shove in a year of Euclidean Geometry and Basic Trig inbetween first two years of Algebra... so i need to factor X^2-12X+35

    asked on December 7, 2008
  12. Lost

    The formula p = nc - e gives the profit p when a number of items n are each sold at a cost c and expenses e are subtracted. If p = 3750, n = 3000 and e = 900, what is the value of c?

    asked on August 26, 2016
  13. algebra

    what is one fourth of thirteen?

    asked on November 18, 2014
  14. algebra

    a city's main well was recently found to be contaminated with trichloreathylene (a cancer-causing chemical) as a result of an abandoned chemical pump that leached chemicals into the water. a proposal submitted to the city council indicated that the cost,

    asked on May 26, 2011
  15. algebra

    Given a right triangle whose side lengths are integral multiples of 7, how many units are in the smallest possible perimeter

    asked on January 20, 2011
  16. algebra

    i have another ? find the slope if it exists of the line containing the pair of points (-5.5,13.6) and (-5.3, 7.8) the slope m=?

    asked on December 20, 2009
  17. algebra

    a=3b for b The solution for a = b=3a did I do this backwards?

    asked on September 11, 2009
  18. math

    kenny can assemble a desk in 40 minutes while his friend paul can assemble the same desk in 20 minutes. kenny worked for 10 minutes and decided to ask paul to work together with him to finish the job earlier, so that they can go to see a football game. how

    asked on August 1, 2013
  19. math

    Sketch the graphs of f(x) = x^2 and g(x) = 2x. Find a number a between 0 and 2 so that when the region between the graphs of f and g for 0

    asked on December 31, 2012
  20. math

    The distance d when a spring is stretched by a hanging object varies directly as the weight w of the object. If the distance is 34 cm when the weight is 3 kg, what is the distance when the weight is 9 kg? 22. Find the variation constant and an equation of

    asked on May 15, 2011
  21. algebra

    solve for r: I = prt

    asked on September 27, 2010
  22. algrebra

    (2,4) and (6,6) what is the equation of the line y=

    asked on December 20, 2009
  23. John

    min/max point minimum or maximum f(x)=2x^2+8x-2 a=2 x=(-b)/(2a)=(-8)/(2)(2)=-4 x=-4 y=2(-4)^2+8(-4)-2 2(16)-32-2 32-32-2 y=-2 (-4,-2) axis of symmetry is x=-4 range[-2,oo] minimum value -2

    asked on April 3, 2008
  24. evans

    Find the least common denominator of the rational expressions. and

    asked on November 23, 2014
  25. algebra

    whys is 7-(-1) = 8, i don't understand why is it 8 how do you solve this!?

    asked on August 25, 2014
  26. ALGEBRA

    Checking algebra answer, Is it correct? 320km/1hr ↓ 320km /1hr →1m/1.609km =320m/1.609hr÷=199.3mph Answer: Round to nearest 10th =198.9mph

    asked on August 25, 2014
  27. Kos

    simplify. 5 _____ -5 - 3√3

    asked on April 17, 2013
  28. UOP

    Use the value d= rt to find the variable D= 100 feet t =25 second

    asked on March 24, 2013
  29. science

    A 1.98 10-9 C charge has coordinates x = 0, y = −2.00; a 2.73 10-9 C charge has coordinates x = 3.00, y = 0; and a -4.95 10-9 C charge has coordinates x = 3.00, y = 4.00, where all distances are in cm. Determine magnitude and direction for the electric

    asked on January 9, 2013
  30. algebra

    When you solve a system of equations by the substitution method, how do you determine whether the system of equations is inconsistent?

    asked on March 21, 2012
  31. Algebra

    Add and simplify: 2/x^2-16 + 3/x^2 -2x-8 Now if the numerator of your answer equals 6, what does x equal? My answer of 5x+16/(x-4)(x+4)(x+2) does not match theirs. The correct answer is -2. I don't know how they got there.

    asked on May 5, 2011
  32. Algebra

    could you show me how to solve for x it is killing me y/x^2 = b/(a-x)^2

    asked on September 13, 2009
  33. algebra

    solve y-8> -20 I get 28 am I correct?

    asked on September 11, 2009
  34. algebra

    simplify 5[-8-(34-49)]

    asked on September 11, 2009
  35. Algebra

    can show me how to do this with out just squaring 3x^(1/2) - x - 6 = 0 how do i do this and solve for x with out just squareing and using quadratic formula. I was never taught the proof of the quadratic formula and would like to know how to do with without

    asked on May 27, 2009
  36. Algebra

    X^2=14X+5X I got Lost and on this one -2X(X+7) - (X+7) I need to factor these problems

    asked on December 7, 2008
  37. algebra

    How would i solve this question? In 06, 74.2 million tax returns were filed electronically. This represents a 108% increase over the year 2005. How many income tax returns were filed electronically in 2005? Do I multiply 74.2 x 1.08?

    asked on August 29, 2008
  38. meg

    find the real solutions x= y^2 - 9 x-4y-12= 0 I got x= -3 and y= 7 and x= 40 but how do i know what x to use and whats the ordered pair? I'm confused! help please!

    asked on April 6, 2008
  39. math

    x8+x4+1

    asked on November 18, 2016
  40. math

    two paths each of width2.5 run across the middle of a rectangular field of15 long and 9m wide.find the area of the paths.

    asked on November 18, 2016
  41. Algebra Geometry 1 & 2

    A car traveled 281 miles in 4 hours, 41 minutes. What was average speed of the car in miles per hour?

    asked on June 28, 2016
  42. School subject mathe

    7x+5x+10x=

    asked on March 5, 2016
  43. Chelsea

    Solve the equation. (Find only the real solutions. Enter your answers as a comma-separated list.) x + 2 = 38 − (x/2)

    asked on August 31, 2015
  44. Algebra

    Esth had five times as many cards as Rich. Esth gave 1/4 of her cards to Rich. Rich. gave 1/6 of his cards to Esth in return. In the end, Esth had 90 cards more than Rich. How many cards did Esth have at first?

    asked on April 3, 2015
  45. cv

    possible values of n for 7n−(9n+1)>5

    asked on November 24, 2013
  46. Finance

    Find the amount of compound interest earned in an account that opens with $24,000, earns 7.8% interest compounded daily, and is held for 20 years. Assume 360 days in a year. (Round your answer to the nearest cent.)

    asked on August 29, 2012
  47. Math

    1. Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: , where

    asked on October 21, 2011
  48. math

    please solve this for me.. i feel as if i am doing this wrong.. (1000/s-120)- (1000/s) = 1/2

    asked on September 21, 2009
  49. algebra

    solve -0.6x < -12 I come up with {x|>20

    asked on September 11, 2009
  50. algebra

    2x + 3y =6 2x + 3y = 4 I get these lines are neither parallel or perpendicular. Am I doing this right?

    asked on September 11, 2009
  51. algebra

    evaluate x + y/8 x=65 and y=7

    asked on September 11, 2009
  52. algebra

    Pleas help with this. Explain the steps so I can understand what I am doing. solve 0.3x + 9

    asked on September 11, 2009
  53. Algebra

    this is same person from before what am I exactly suppose to do when I'm asked to factor 2X(3X+4)-3(3X+4)

    asked on December 7, 2008
  1. Algebra

    Yay!! Thank you so much for checking. Have a lovely day.

    posted on April 26, 2019
  2. Algebra

    Nvm I figured it out.

    posted on April 9, 2019
  3. algebra

    i love jesus

    posted on October 14, 2017
  4. pre algebra

    Compound Interest compounded semiannually A = P(1+(r/2))^2n r is annual rate as a decimal P is principle n is number of years A is present value A = 2000(1.0245)^16 = 2945.92

    posted on December 15, 2015
  5. algebra

    thank you ms sue and damon

    posted on August 25, 2014
  6. cv

    all the possible values of n that are solutions to 7n−(9n+1)>5.

    posted on November 24, 2013
  7. Computer Science

    I don't know.

    posted on September 12, 2013
  8. physics

    If I1 is the intensity at a distance 150 m from the source and I2 is the intensity at a distance of d m from the source , I1 *150^2 = I2 *d^2 d^2 =[ I1 / I2 ]*150^2 [I1 / I2] = 1.9 /0.8= 2.375 d^2 = 2.375*150^2 d =231.17 m.

    posted on January 10, 2013
  9. Physics

    5 waves pass in 26 seconds, period = 26 sec / 5 waves = 5.2 seconds, f = 0.192 hz

    posted on January 10, 2013
  10. math

    Sketch the graphs of f(x) = x^2 and g(x) = 2x. Find a number a between 0 and 2 so that when the region between the graphs of f and g for 0

    posted on December 31, 2012
  11. algebra

    The loan arranger? I'm just guessing I haven't started the worksheet

    posted on November 27, 2012
  12. Algebra

    Thanks! got it.

    posted on June 1, 2011
  13. algrebra

    it also says im supposed tp find an equation of the line containing the given pair of points?

    posted on December 20, 2009
  14. algrebra

    so what is y= then?

    posted on December 20, 2009
  15. algebra

    Then I get 12

    posted on September 12, 2009
  16. algebra

    if a=3b for b The solution is b =a/3 Do I understand this correctly now?

    posted on September 11, 2009
  17. algebra

    I did that wrong c=2d for d the solution is d= c /2 Correct

    posted on September 11, 2009
  18. algebra

    That does not come out right.

    posted on September 11, 2009
  19. algebra

    So they would be Parallel correct? Thank you

    posted on September 11, 2009
  20. algebra

    I still don't get it does that mean b=3

    posted on September 11, 2009
  21. Math

    how do i factor 8X^2+10X-3 I know the answer is (4X-1)(2X+3) I just guessed and checked not sure about thorught process that's suppose to go trough my head here when dealing with a number before X^2 please tell me cuz i can get the answer by guessing but

    posted on December 7, 2008
  22. Ap World History

    thanks

    posted on December 7, 2008
  23. Algebra

    (X-7)(X-5)

    posted on December 7, 2008
  24. Algebra

    thanks

    posted on December 7, 2008