30y = x^2 - 14x + 13 FOR X

473 results
  1. math, breakeven point

    AutoTime, a manufacturer of electronic digital timers, has a monthly fixed cost of $48,000 and a production cost of $8 for each timer manufactured. The timers sell for $14 each. My cost function is 8x+48,000 My revenue function is 14x My profit function is

  2. Math(Please check answers)

    Factor completely. If the polynomial cannot be factored say it is prime. 1) 15x^3 + 19x^2 + 6x A) (3x^2 +2)(5x+3) B) x(3x+2)(5x+3) C) x^2(3x+2)(5x+3) D) x(5x+2)(3x+3) E) Prime I chose E) Prime. 2) 2x^2 - 14x - 6x + 42 A) 2(x+7)(x+3) B) (x+7)(2x-6) C)

  3. algebra

    the area of a square garden in square feet is 49x^%2-14x+1. Find the dimensions of the garden in terms of x. Factor 49x2 -14x + 1, it should be a perfect square.

  4. algebra

    Which equation is the standard form of −56x+14x^2=−51? 14x^2−56x+51=0 14x^2+51−56x=0 −56x+14x^2−51=0 14x^2−56x−51=0 I do believe it is A or D, is one of these correct?

  5. math help pls pls pls

    Given f(x) = 4x + 13 and g(x) = 10x − 2, solve for (f + g)(x) and select the correct answer below. (f + g)(x) = 14x + 15 (f + g)(x) = 14x + 11 (f + g)(x) = 6x + 11 (f + g)(x) = 6x + 15 is it b pls help me

  6. MATH ALGEBRA

    Which of the following coordinates are intercepts of the linear relation 2x- 3y + 30 = 0 ? I. (0 , 10) II.(0 , 2/3) III.(-10 , 0) IV.(-15, 0) A. I only B. I and IV only C. II and III only D. II and IV only This was what I was trying to do: 2(0)-3(10) + 30

  7. Maths

    find the equation of the perpendicular bisector of the line joining P(2, -4) to Q(-5,1) A. 8y-14x 13=0 B. 8y-14x-13=0 C. 8y 14x-13=0 D. 8y 14x 13=0 Please I need someone to help me with this, with an explanatory workings.

  8. algebra

    can you check my answers? i have to write the slope intercept form of the equation key (a= means answer is) 1. 3x-2y=12 a= 3/2x-6=y 2. x+y=7 a= y=-x+7 3. -13+6y=x a= y=x/6+13/6 4. -2y=24+6x a= y=-3x-12 5. 49x-y=558 a= y=49x-558 6. 3x+14y=-56 a= y=-3/14x-4

  9. math

    which equation is equivalent to 5x-2(7x+1)=14x? why? a -9x-2=14x b -9xt1=14x c -9x+2=14x d 12x-1=14x

  10. Math

    Maximize P = 16x + 80y subject to these constraints: 2x + 20y ≤ 430 4x + 70y ≤ 1400 8x + 30y ≤ 980 10x + 10y ≤ 1000 4x + 30y ≤ 700 x ≥ 0, y ≥ 0 Maximum value for P = ?. This value of P occurs when x = ? and y = ? If u1, u2, u3, u4, and u5

  11. Math

    P=20x+30y subject to: 2x+3y>30 2x+y

  12. algebra

    Solve 14 - ln(2-x)=0. solve for x -ln(2-x)=-14 ln 1/(2-x)=-14 1=-14(2-x) 1=-28+14x 29=14x 29/14=x not sure where I'm going wrong

  13. Math Help

    What is the sum or difference? A)-7y^5* B)-30y^5 C)-30y^10 D)-7y^10

  14. MATH

    explain how to put 7y-14x=21 in slope intercept form. You want y=mx + b 7y-14x=21 add 14x to both sides, divide both sides by 7. thanks you

  15. algebra

    How do you simplify (4x^3y^5)^2? are you using the carrots for symbolising "the power of..." or fractions? if i know what your using them for then i can help you. yes. 3^2=9 okay. then it would help to put the exponents out of the parenthesis:

  16. Algebra

    14x^2+4+3x-12x^2-3+11x A) 2x^2+7x+1 B) 2x^2+14x+1 C) 2x^2+14x+7 D) 26x^2+7x+7 i think its a i really really need help

  17. Algebra

    Use slopes and intercepts to determine if the following system is consistent, inconsistent, or dependent. -4x - 5y = 20 -12x - 30y = 60

  18. algebra1

    could you walk-through the steps to solving this problem because I am stuck; 3x-5(3x-7)=2(x+9)+45 Let me know if you have a question in any step. 3x-5(3x-7)=2(x+9)+45 3x-15x+35= 2x+18+45 -12x+35 = 2x+63 -35 -35 -12x= 2x +63-35 -12x= 2x +28 -2x -2x -12x-2x

  19. Math

    Solving ya Systems of Equations by elimination -14x+15y=3 21x-20y=-10 The LCM is 42 so I am able to get (-14x +15y=15)3 = -42x+45=45 (21x-20y=-10)2 = 42x-40y=-20 y =7 but when I plug it in to try and figure out x I do not get a whole number, can you help?

  20. Maths

    Did I differentiate these two functions correctly? y=2cos(2x)cos(14x) y'=-14 sin⁡(14x)2 cos⁡(2x)-4 sin⁡(2x)cos⁡(14x) y=2[cos 1/2(f1-f2 )x][cos 1/2(f1+f2 )x] y^'=-[(f1+f2 )/2]sin[(f1+f2 )/2 x]2cos⁡[(f1-f2 )/2 x] - [2(f1-f2 )/2]sin[(f1-f2 )/2 x]cos

  21. algebra

    Andrew factored the expression 28x©ø-6x©÷-10x as 2x(14x©ø-3x©÷-5x) . But when Melissa applied the distributive law and multiplied out 2x(14x©ø-3x©÷-5x), she got 28x©ù-6x©ø-10x©÷; thus, Andrew¡¯s solution does not appear to check. Why is

  22. math

    can you check my answers? i have to write the clop intercept form of the equation key (a= means answer is) 1. 3x-2y=12 a= 3/2x-6=y 2. x+y=7 a= y=-x+7 3. -13+6y=x a= y=x/6+13/6 4. -2y=24+6x a= y=-3x-12 5. 49x-y=558 a= y=49x-558 6. 3x+14y=-56 a= y=-3/14x-4

  23. math

    The rectangle given has a perimeter of 14 units. Find the value(s) of x by factoring a quadriatic equation. one side= 12/(x+1) other side= 6/(4-x) Remember that the perimeter of a rectangle is: P = 2L + 2W Note: P = perimeter, L = length, and W = width.

  24. geometry

    State what conclusion can be made IFx=5 and the given statement is true IFx>x=z, then y=14z. I don't understand this part of your statement: "IFx>x=z," Please clarify this. If x>X-2, then y=14x Ok, I will suppose this is the question then "State what

  25. Algebra

    1. What can you tell about the parabola by just looking at the equation in expanded or standard form y=x^2+14x+45 2. What is Y=x^2+14x+45 in factored form? 3. What can you tell about the parabola by just looking at the equation in factored form

  26. math

    x^3-14x+8 / x-4

  27. algebra 1

    14x+3x-40=11

  28. algebra

    8y=7+14x 18y-2=-7x

  29. math

    14x^5y^2 / -21x^2y^8

  30. Pre-algebra

    solve: 4(4-3x)+14x>32

  31. Math

    -10x-3=14x+3

  32. Math

    why is this not correct 30y = x^2 - 14x + 13 - 13 30y - 13 = x^2 - 14x _________ ___________ -14 -14 x = sqrt 30y-13 _______ -14 sorry the division signs didn't line up

  33. Math

    30y = x^2 - 14x + 13 FOR X

  34. Math

    solve for X 30y=x^2-14x+13

  35. algebra

    solve the following equation by clearing fractions show all work want to know if this right -7/3-5/2x=8+2x 6(-2/3)-(5/2x)(6)=6(8)+2x(6) 14x-15=48+12x 14x-12x-15=48+14x-14x 2x-15=48 2x-15+15=48+14x-14x 2x-15=48 2x-15+15=48+15 2x=-33 2x/2x=-33/2 x=-33/2

  36. Algebra

    Angelo is trying to save up to buy the new iPhone 11. He has $40 in his wallet. He decides to shovel snow off driveways for $30 per house to earn some money. Which equation models the situation? 1. x = 40 + 30y 2. y = 40 + 30x** 3. y = 30 + 40x 4. x = 40

  37. algebra

    solve the following equation by clearing fraction want to know if this right -7/3-5/2x=8+2x 6(-7/3)-(5/2)(6)=6(6)+2x(6) 14x-15=48+12x 14x-12x-15=48+14x-14x 2x-15=48 2x-15+15=48+15 2x=-33 2x/2x=-33/2 x=-33/2

  38. algebra

    20. At a local candy store, Malcolm purchased some 25-cent candies and some 30-cent candies. He spent a total of $4.75. Which equation below describes the number of each type of candy he bought? A25x + 30y = 4.75 Bx + y = (4.75)/(0.25 + 0.30) C25 + x + 30

  39. Math - Derivatives

    Differentiate the given function. Simplify the answer. f(x) = 28x*ln√x + 42 f'(x) = 28*ln(x)^(1/2) + (1/(x^(1/2))*(1/2(x)^(-1/2)28x) f'(x) = 28*ln(x)^(1/2) + (14x*x^(-1/2))/x^(1/2) f'(x) = 28*ln(x)^(1/2) + (14x^(-1/2))/x^(1/2) f'(x) = 28*ln(x)^(1/2) +

  40. Algebra

    Really need some help 1. 14x^2+4+3x-12x^2-3+11x A) 2x^2+7x+1 B) 2x^2+14x+1 C) 2x^2+14x+7 D) 26x^2+7x+7 2. 4x^2+4-5x+x-2x^2+8 A) -2x^2+4x+12 B) -2x^2-4x+12 C) 2x^2+4x+12 D) 2x^2-4x+12

  41. Linear Programming

    Maximize P = 16x + 80y subject to these constraints: 2x + 20y ≤ 430 4x + 70y ≤ 1400 8x + 30y ≤ 980 10x + 10y ≤ 1000 4x + 30y ≤ 700 x ≥ 0, y ≥ 0 Maximum value for P = ?. This value of P occurs when x = ? and y = ? If u1, u2, u3, u4, and u5

  42. math, algebra

    this next one i want to make sure that what i'm answering is correct. (1) A rectangle has sides of 3x-4 and 7x+10. Find the expression that represents its perimeter. My answer for solving: P=2L+2W P=2(3w-4)+ 2(7x +10) p=6w-6+14x+10 My final answer:

  43. Algebra

    Is (5v+2) + 14x = 5v + (2+14x) an example of associative property of addition? My answer is yes

  44. Algebra2

    The area of a square garden in square feet is 49x^2-14x+1. Find the dimensions of the garden in terms of x. x^2=49x^2-14x+1 Then solve for x. 48x^2-14x + 1=0 (8x-1)(6x-1)=0 and solve for two values of x that are possible.

  45. Please check Algebra

    Please take a look at my work and let me know if I made any mistakes. You don't have to give me the answers. I'd just like to know if I made any mistakes so that I can correct them. Thanks! 1. 3x – 7 = 8 + 7 +7 3x = 15 3 3 x=5 2. 14x -2 = 3x + 53 14x –

  46. math

    how do i do x2+12x+32 x2+12x = 14x+32 subtract 14x from each side 14x=32 divide by 2 7x=16 x=16/7, which is 2 and 2/7 ok maybe you typed that question wrong? is it x^2 + 12x + 32 ? if it is then the solution is: (x+8)(x+4) because when you multiply them

  47. Science (Chemistry)

    Hello DrBob222 Regarding the answer you gave me thank you very much. However when you expand the denominator, I don't get -0.14 but I get -0.28. I get that because when I first expand I get 0.0049 - 0.14x - 0.14x + 4x^2. So when I simplify that I get

  48. calculus

    take the limit as x goes to infinity: (14x/(14x+3))^(4x)

  49. math

    Is this right 6(5y-4) 30y-24 Need help with this one -3+2(6z-3+4)

  50. algebra

    6(5y-4) 30y-24 -3+2(6z-3+4)

  51. math

    Need help with this quadratic math equation... Question: (x+1/x)^2 - 14(x+1/x) = 72 ended up with: x^2 + 1 - 14x^3 - 14x -70x^2 = 0 Where do I go from here? I'm trying to find a way to apply the quadratic formula to my results, but I'm having trouble. Is

  52. Completing the square

    Please show the procedure for answering this quadratic equation using the completing the square method: x^2+14x+98 I think i understand the basics of the method, but in this particular question I'm finding it hard to use the appropriate factors of 98 - 7

  53. algebra

    6x-30y=120

  54. Maths

    y = 2[cos1/2(f1 - f2)x][cos1/2(f1 + f2)x] let f1 = 16 let f2 = 12 therefore y = 2[cos1/2(16 - 12)x][cos1/2(16 + 12)x] y = 2cos(2x)cos(14x) derive y = 2cos(2x)cos(14x) y' = 2[-2sin(2x)][-14sin(14x)] is all of this correct? Additionally, I am unsure how you

  55. Math

    Simplify the following expression as far as possible. 1. 9x - 2x .2. -3y - 30y . .3. 2a - 9a

  56. algebra

    How do i solve 8y to the 2nd plus 30y plus 13

  57. Calc

    find the area between y=x^3–14x^2+45x and y=–x^3+14x^2–45x i am having trouble how the graphs look like and how to do this...

  58. Mathematical Studies

    A right triangle has three sides known to be (x-5) (2x+1) and 2x. By use of the pythagorean theorem show how the sides of the triangle can yield the equation: x^2-14x+24=0 this is my work below: (x-5)^2+(2x+1)^2=2x^2 which expanded is:

  59. math

    Can someone please check my work? Question~ Find the point-slope form of the equation that goes through these two points. (1, 20) and (8, 4.5) My Answer~ Y= y2-y1/x2-x1 (4.5-20)/(8-1) = -15.5/7 Rewrite -15.5/7 as (-15.5)/7 Rewrite -15.5 as -31/2 = (-31/2)

  60. math

    3x^2+3y^2-12x-30y+84=0 is the equation of a circle with center (h,k) and radius r For: h= k= and r=

  61. Equation

    Can anyone check this answer for me, simultaneous equation. Where y = 14 + 0.11x and y = 10 + 0.14x use algebra to solve, is the answer 14 + 0.11x = 10 + 0.14x y = 4 x = 0.03 If not where am I going wrong Thanks... :-)

  62. algebra 2

    factor completely 3x^2-14x-24 I do not see the gcf for the problem I am totally lost can some explain please I have several these problems and i need to figure out how to solve them You put 3x^2-14x-24 = (a x + b)(c x + d) Equating the coefficients on both

  63. Math

    -14x^3 ———— X^3-5x^4 I know the answer is 1-5x —— -14x But does x ≠ 1/5,0 x ≠ 0 x ≠ 1/5 I think x ≠ 1/5, 0, but I’m not sure. Thanks!!!!!

  64. Algebra

    Could someone just double check my work sqrt280x^6/sqrt7x I got 2x^3 sqrt10\sqrtx Also 1/5(30y+40)+2/3(9y-27)=18 I got 7/3

  65. math

    (a) Complete the square by writing in the form . Note: the numbers and can be positive or negative. x^2-14x-17=(x-7)^2+ (b) Solve the equation by completing the square or using the quadratic formula. If there is more than one correct answer, enter your

  66. Math

    Classify the conic section 4x^2+5y^2-16x-30y+41=0 as a circle, ellipse, hyperbola, or parabola?

  67. Math

    Factor 3y^2z-5yz-9y^2+30y-25 I can't seem to figure this one out... Give me a step by step answer please and thank you :)

  68. CP Algebra

    15y^2-30y-45 ____________ 5y^2+10y-15 this is simplifying multiplying and dividing i got this far: 15(y^2-2y-3) 15(y+1)(y-3) ___________ = ___________ 5(y^2+2y-3) 5(y-1)(y+3) then i simplified the 15 to 3 and the 5 to 1

  69. math

    -5y^3(y-6)+4y^3(y-7) OK - first, distribute -5y^3 to the (y-6). You should get -5y^4+30y^3. Do the same thing by distributing 4y^3 to the (y-7), leaving you with 4y^4-28y^3. Then combine the y^4 terms and the y^3 terms to get the answer of -y^4+2y^3.

  70. Algebra 1 Answer Evaluation

    Factor. 1. 30y^3 - 50y A: 10y(3y - 5y) 2. Factor a^2 - 5a^2 + 2a -10 by grouping. A: ?

  71. Calculus

    A function f(x) is said to have a removable discontinuity at x=a if: 1. f is either not defined or not continuous at x=a. 2. f(a) could either be defined or redefined so that the new function IS continuous at x=a.

  72. Calculus

    In a study conducted by a certain country's Economic Development Board, it was found that the Lorentz curve for the distribution of income of college teachers was described by the function f(x) = 13/14x^2 + 1\14x and that of lawyers by the function g(x) =

  73. Calculus

    In a study conducted by a certain country's Economic Development Board, it was found that the Lorentz curve for the distribution of income of college teachers was described by the function f(x) = 13/14x^2 + 1/14x and that of lawyers by the function g(x) =

  74. calculus-can someone please help me with this ques

    I have two questions if someone can PLEASE help. 1.solve the equation in the real number system. x^4+11x^3+24x^2-23x+35=0 **Please show work** 2.Use the remainder theorem to find the remainder. When f(x)is divided by x-3. Then use the factor theorem to

  75. Science

    A persistent organic pollutant is estimated to have a half-life of 30y. If 3 tonnes of the chemical exists in a polluted area today, how much of the chemical will remain after 120y.

  76. math,factoring,help

    Can someone please show me step by step how to do these. I've read the book and there examples and It is just not clicking. Directions: Factor each of the following polynomials completely Problem:#1 14x^2-20x+6 Directions:Find all positive values for "K"

  77. math

    i only need help on these two that's it so please help me(step by step if you could) 1)1.5x-2.5y=8.5 6x+30y=24 2)3x-2y=8 x+3/2y=8 THANKS SO MUCHHHHH!! :))))

  78. Math Algebra

    Resolve(17x²+14x + 9) – (-13x² +6x - 12) 30xsquared+20x+21 I'll try to be helpful and show the work. This is the method I learned last quarter. (17x"sq"+14x+9) + (13x"sq"+6x+12) = (30X"sq"+20x+21) I used the vertical method but the step are the same

  79. math

    5x^3y^4/14x^5y^-8

  80. math-calculus

    4x+3/2x-1-2 = 6x+2/2x-1 (4x+3)(-2) = (6x+2) -8x-6 = 6x+2 -14x-6 = 2 -14x = 8 x = 4/-7 i not think i did this right.

  81. 12th grade

    2x^2+6x-16 and 14x^2-3x-2

  82. Math

    x^3 - x^2 - 14x +24

  83. Maths

    4x-2=14x-92

  84. algebra

    what is 7y-14x=-28

  85. math problem

    please help x^2+14x-4=0

  86. algebra !help!

    (6x^3-8x^2-14x+13)/(3x+2)

  87. algebra

    3/x+5/3x=1 9x+5x=1 14x=1 x=-13 is this right

  88. math

    x^3-14x+8 / x-4

  89. Algebra

    X^2(y-7)-14x(y-7)+45(y-7)

  90. geometry

    if ac=7x+5 and bd=14x-2,what is the value for ac?

  91. algebra

    B(x)=x2+14x+24/x2-25=

  92. Order of Operations

    85/5+14x(12-8) 82?

  93. cOllege math

    14x^2+5-[7(x^2-2)+4]

  94. math

    −4x+60

  95. calculus

    Evaluate the following (x+7)dx/x^2+14x+55

  96. Algebra

    x^2 + 14x - 4 = 0 Solve please?

  97. math

    14x^5y^2 / -21x^2y^8

  98. Algebra

    3x^4−6x^2+4x−9 +5x^4+3x^2+10x+2 -------------------------- 8x^4−3x^2+14x−7 Is this right?

  99. algebra

    1. 100x^2-9 2. 8x^2+14x+6

  100. algebra

    x^2+14x+4=0 solve for x

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