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

448 results
1. ## Algebra

What is the quotient? [(x^2 -16) / (2x^2-9x + 4)] / [(2x^2 + 14x + 24) / (4x + 4)]

2. ## 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?

3. ## gr11 math

The graph of y=1/(14x+90) has A horizontal asymptotes, B vertical asymptotes, and the graphs of the functions y = 14x + 90 and y=1/(14x+90) will intersect C times. The values of A, B, and C are...?

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)

5. ## 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.

6. ## 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

7. ## 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

8. ## Algebra

Andy and Sylvie each incorrectly simplified the expression -3 - 4(2x - 3). Andy wrote -14x + 21 and Sylvie wrote -8 - 6. Explain their errors and give the correct answer. My answer: What Andy did wrong is adding instead of subtracting and adding the

9. ## 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

10. ## 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

11. ## 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

12. ## calculus

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

13. ## 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:

14. ## 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

15. ## 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

16. ## math

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

18. ## 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

19. ## 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

20. ## 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) +

21. ## 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

22. ## 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:

23. ## 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

24. ## Algebra

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

25. ## 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.

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 –

27. ## 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

28. ## 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

29. ## 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

30. ## 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

31. ## 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

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. ## 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...

34. ## 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)

35. ## 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... :-)

36. ## 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

37. ## 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!!!!!

38. ## 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

39. ## 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

40. ## 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?

41. ## 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.

43. ## 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

44. ## 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

45. ## 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.

46. ## 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) =

47. ## 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) =

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

49. ## 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"

50. ## 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.

51. ## 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

52. ## 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

53. ## algebra

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

54. ## math

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

55. ## cOllege math

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

56. ## math

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

57. ## geometry

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

58. ## algebra

what is 7y-14x=-28

14x+3x-40=11

60. ## math

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

61. ## Order of Operations

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

62. ## Algebra

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

63. ## algebra

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

64. ## algebra !help!

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

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

66. ## Math

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

−4x+60

68. ## 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.

4x-2=14x-92

71. ## math

14x=5 solve for x

72. ## algebra

For all x > 0, 2x^2+14x+24/x+4 simplifies to what?

-10x-3=14x+3

74. ## Math

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

75. ## Algebra

(8x^3 - 14x^2 - 27x - 9) / (4x + 3)

76. ## math

how do you factor 2x^4-14x^2+24 ?

77. ## Math

Solve the following for x X^2+14x+4=0

78. ## algebra

The solution for x = x^2+14x-4=0

79. ## Algebra 9

What is the quotient [(x^2) / (2x^2-9x + 4)] / [(2x^2 + 14x + 24) / (4x + 4)]

80. ## Algebra

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

81. ## Algebra

(2x^3)-(14x^2)+12x=0 x=?

82. ## Pre-algebra

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

83. ## calculus

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

84. ## math

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

85. ## algebra

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

86. ## algebra

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

87. ## algebra

-14x^2 -29x -12

88. ## Math

Factor 6x^2+14x

89. ## math

14x^2+19x+32=18

90. ## algebra

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

91. ## Algebra

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

92. ## Algebra

[(x^2 -16) / (2x^2-9x + 4)] / [(2x^2 + 14x + 24) / (4x + 4)] is the answer 1 / x + 3

Solve. For x 1. 3x^2-6=0 2. 1/x (6x^3+5x^2)=21 3. x/2+6=-10/x 4. 2x^2=14x

94. ## Algebra

How do I solve 14x/5 + 7x = 23

95. ## dma040

Solve for x. 13/14x + 8/7 = 6/7x

96. ## algebra

Please I need help! Solve and simplify: x^2+14x-4=0

97. ## ALGEBRA...HELP!!!!!!

Still cant figure this out (8x^3 - 14x^2 - 27x - 9) / (4x + 3)

98. ## Math

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

99. ## algebra

14x to the 5th y to the 3 plus 7xy5

100. ## math

factor: x squared +14x+49

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