# Need help with the problem 25x^2=20x-4 Thank you!!

21,601 questions
1. ## Algebra

Rewrite the middle term as the sum of two terms and then factor completely. 25x^2+35x+12 Is the following true or false? x^2+2x-3=(x+1)(x-3) Can you show me how to do these two problems? Thank you for any help you can give me. If the middle is the sume of

asked by kat311 on June 26, 2007
2. ## Math

Need help with the problem 25x^2=20x-4 Thank you!!

asked by Sarah on December 1, 2010
3. ## someone help

my post is still on this page as algebra, could someone elaborate on what bobpursley tried to help me with. See your original post. I am guessing you are referring to your question 5)Simplify:(5x-4)^2 and your answer= 25x^2 - 16 (5x-4)^2 =(5x-4)(5x-4) =

asked by erin on August 1, 2007
4. ## Algebra

1. Find the degree of the monomial 6p^3 q^2. A) 2 B) 3**** C) 5 D) 6 2. Simplify (7t^2+9)+(6t^2+8) A) t^2 +1 B) 13t^2+17 C) 13t^4+ 17**** D) 42t^2+72 3. Simplify 3n(4n^2 + 5n) A) 12n^3 + 15 n^2***** B) 7n^2+8n C) 12n^2 +15n D) 12n^2 +8n 4. Factor 18s-63 A)

asked by Olaf on February 12, 2015
5. ## math

i'm studying for a test and i've just got a few questions.. 1-If x^2+8x+m has one double root then m=? and the vertex is? 2-I got -3-i(s.r)5 / 5 for this problem-> -15-(s.r)-125.. is that correct? 3-Is the answer for (5-3i)^2 -30i+ 16 ? 4-is the answer to

asked by cici on February 25, 2009
6. ## math

how do I factor 20x+25x^2+4

asked by ferrer on April 16, 2009
7. ## how to determine the vertices of a hyperbola?

y^2=25x^2+20x+3 anyone knows which way does it open?? and the location of its vertices??

asked by wi on May 21, 2007
8. ## Algebra

simplify: [(2x^2+5x-6)/(5x^2+7x-6)]*[(20x^2-7x-3)/(6x^2-25x+4)]/[(4x^2-11x-3)/(6x^2-19x+3)]

asked by Jeconiah on February 19, 2013

5 - sqrt of 20x + 4 >= -3 5- 20x + 4 >= -3 5-4 - 20x >= -3 1 - 20x >= -3-1 -20x >= -4 x

asked by Juliette on October 12, 2010
10. ## Algebra

simpliy the following: (a) {[4x^2-49]/[8x^3+27]} *{ [4x^2+12x+9]/[2x^2-13x+21]} (b) {[x^2+x-6]/[x^2+7x-6]}*{[20x^2-7x-3]/[6x^2-25x+4]}*{[4x^2-11x-3]/[6x^2-19x+3]}

asked by Jeconiah on February 19, 2013
11. ## math,correction

Directions:Multiply Problem: ((x)/(3)+(3)/(4)) ((3x)/(4)-(3)/(5)) so the answer for it i got: ((20x^2+20x-36)/(80)) I worked it and I have what you have EXCEPT 29x instead of 20x. If you can't find the error, post your work and we can help you find it.

asked by Jasmine20 on January 24, 2007
12. ## algebra 2

find all the zeroes of: x^5-3x^4-24x^3-72x^2-25x+75=0 5x^5-20x^4-40x^3-16x^2-45x+180=0 -3x^5+3x^4+9x^3-7x^2+12x=12 x^3-x^2-13x-13=0 x^3+x^2=15x-15 Thank you for any help...I'm desperate please help :(

asked by nathalie on December 31, 2012
13. ## Algebra

25x^4-20x^2+3=0 = x= i sqrt3/5,-i sqrt3/5. I used the method complete the square. is this is correct

asked by Anne on July 5, 2008
14. ## Calc again sorry

4) The graph of y = (x)/(1+25x^2) for x is greater than or equal to 0 has a horizontal tangent at x = what. So what I did was find the first derivative. I did the quotient rule and ended up with x50x - 1+25x^2 --------------- (1+25x^2)^2 I equated that

asked by Samantha on November 5, 2008
15. ## math

5(3+4x)-6>=129 I get 2 different answers on this one. 15+20x-6>=129 15+20x-6+6>=129+6 15+20x>=135 15-15+20x>=135-15 20x>=120 20x/20>=120/20 x>=6 Is this worked out properly, are there any shortcuts?

asked by barb on August 22, 2010
16. ## Math

Find the intersection of two lines. i have the answer just please tell me how it was made 4x-3y-4=0 , 4x+2y+5=0 -5y/-5 = 9/-5 y= 9/5 4x-3(-9/5)-4=0 5(4x+27/5-4=0) 20x+27-20=0 20x+7=0 20x/20=-7/20 x=-7/20 (-7/20, -9/5

asked by Joy on July 1, 2014

Find the minimum value of the function f(x,y= 25x^2+3y^2+20xy+10x+4y+10 subject to the constraint 5x^2+4xy=1. I solved fx=50x+20y+10 fy=6y+20x+4 gx=10x+4y gy=4x Then what?

asked by Carly on August 10, 2011
18. ## math

The graph of a reciprocal function of the form f(x)=1/ax+b where a is not equal to 0 and b is not equal to 0. Which is the equation of the original function f (x)? a)y=5.25x-2 b)y=-5.25x+2 c)y=-5.25x-2 d)y=5.25x+2

asked by Alex on January 15, 2015
19. ## math

y=1/2x + 3/4 6x+8y=10 Only looking for X Step's in what i did 1.~6x+8(1/2x + 3/4)=10 2.6x+ 8/2x + 24/4 =10 3.(2)(6x+ 8/2x + 24/4 =10)(2) 4.12x+8x+ 24/4=20 5.20x+6=20 6. 20x=14 7. x= 14/20 I don't know what i did wrong. Please help me and if you don't

asked by edgard on January 5, 2017
20. ## algebra

1)Simplify:(3x^0y^-4)(2x^2y)^3 answer=6x^6 over y 2)Simplify:2x^2y^5z^-4 over 8x^6yz^3 answer= y^4 over 4x^4z 3)Saturn is 1.4 x 10^9 kilometers away from the sun. If light travels 3.0 x 10^4 km per second,how long does it take light from the sun to reach

asked by erin on August 1, 2007
21. ## 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"

asked by Jasmine20 on January 31, 2007
22. ## Algebra

Solve:25x^4-20x^2+3=0 =(sqrt5/5),-(sqrt5/5),(sqrt15/5),(-sqrt15/5). Can you tell me which one is correct.This is a second post to the first one.

asked by Anne on July 5, 2008
23. ## math

Tina has a pet sitting business. She charges a flat service fee of \$20, plus \$20 per day for each animal. If one of her customers spent less than \$100 on one animal, which of the following inequalities could be used to solve for x, the number of days the

asked by abella on December 7, 2018
24. ## how many solutions are real?

hi, I am stuck on this question. y=x^2+4x and y^2= 25x^2+20x+3 how many of the solutions are real? and how many of the real roots are positive and how many are negative? thank you for any suggestions I suggest you solve for the roots. y=x(x+4) At y=0, what

asked by wi on May 21, 2007
25. ## algebra

solve by graphing 1.80+.2x=y 2.10+.15x=y solve by graphing 20+20x=y 200-25x=y

asked by hernan on January 14, 2013
26. ## Calculus

Hello, I just wanted to verify if my work was good. Calculate the following integral by parts: ∫ upper limit is 1/5 and lower limit is 1/10. of 10sin^-1 (5x)dx so first I named the variables: u = 10 sin^-1 (5x) du = 50 / sqr(1-25x^2) dv = dx v = x so we

asked by Robert on September 7, 2012
27. ## Definite integral by parts (correction)

Hello, I just wanted to verify if my work was good. Calculate the following integral by parts: ∫ upper limit is 1/5 and lower limit is 1/10. of 10sin^-1 (5x)dx so first I named the variables: u = 10 sin^-1 (5x) du = 50 / sqr(1-25x^2) dv = dx v = x so we

asked by Robert on September 5, 2012
28. ## Algebra story problem

I need to turn this story into an algebra problem: Your cousin ears \$25 per week babysitting and receives one \$5 bonus. You earn \$15 per week mowing lawns and \$12 a week running errands. After working the same number of weeks, you have \$11 more than your

asked by Avalon on November 18, 2006
29. ## math

One canned juice drink is 25% orange juice another is 5% orange juice. How many liters of each should be mixed together in order to get 20L that is 24% orange juice? How many liters of the 25% orange juice should be in mixture? How many liters of the 5%

asked by Anna on November 5, 2009
30. ## math

One canned juice drink is 25% orange juice another is 5% orange juice. How many liters of each should be mixed together in order to get 20L that is 24% orange juice? How many liters of the 25% orange juice should be in mixture? How many liters of the 5%

asked by Anna on November 5, 2009
31. ## algebra

The problem is factoring completely 4xX^2-20x-24 4(X^2-5x-60 4(x-6)(x+1) 12x^2-75 3(X^2-25)=3(X-25)(x+3) Can someone check these problem for me please.

asked by Betty C on June 1, 2010
32. ## BobPursley..here it is:

Problem 1: (x-2)/(3x+4) - 6x/(x+1) What I did: Common denominator is: (3x+4)(x+1) (x-2)(x+1)/(3x+4)(x+1) - 6x(3x+4)/(x+1)(3x+4) [(x-2)(x+1) - 6x(3x+4)] / (x+1)(3x+4) (x^2 - x - 2 - 18x^2 - 24x) / (x+1)(3x+4) x^2 - 18x^2 = -17x^2 -x - 24x = -25x (-17x^2 -

asked by Margie on March 4, 2007
33. ## Algebra 1

Are these right? xy - 3x - 8y + 24 (3x-y)-(8y+24) 8y+24 4x^2 + 20x + 5y +xy 36x+(5y+x) 36x-5y I don't think so it's right.Your question xy-3x-8y+24 is itself the answer.It cannot be further calculated bcause it doesn't have the terms containing the same

asked by mike on March 8, 2007
34. ## Microbiology

You need 3.5L of 50mM NaCl from your 20X stock. How would you accomplish this: 20X stock __________ml Pure Water ___________ml From whatever number I plugged in trying to solve it, I got: 175ml of 20X stock and 3,430ml of Pure Water. Have no idea if those

asked by John on March 27, 2013

25x^4-25x^2+6=0 solve type an exact answers using radical and rationalize all denominators

asked by Avincent on March 18, 2008
36. ## Math

Find the inverse of the function. f(x) = -0.25x + 6 I am having trouble when there is a decimal to solve like -0.25x

asked by Nathaly on October 12, 2018
37. ## algebra1

can you guys please graph the system of inequalities and clasify the solution of y¡Ü4x+4 y¡Ü-0.25x+4 y¡Ý4x-1 y¡Ý-0.25x-1

asked by jenika on May 17, 2012
38. ## Algebra 2

Use Cramer's rule to find the number of items the company must sell each week to break even. y= 20x + 200 y= 25x D= |20 -1|. -20 - (-25) . |25 -1| D= 5 Dx= |200 -1|. -200 - 0 . |0 -1| Dx= -200 Dy= |20 200|. 0 - 5000 . |25 0 | Dy= -5000 x= Dx/D x= -200/5 x=

asked by Jacqueline on October 29, 2014
39. ## Math

solve the equation 20x^3 +44x^2 -17x -5 given that -5/2 is a zero of f(x) 20x^3 +44x^2 -17x -5 I used synthetic division and got 20x^2-6x-2=0 took 2 and divided it out of that equation 2(x+5/2)=10x^2 -3x-1 then i factored it out the right side of the

asked by sarah on March 2, 2009
40. ## intermediate algebra

use polynomial long division to divide 25x^3+40x^2+25x+10 by -5x^2-3x-2

asked by ROCKY on August 2, 2011

Using polynomial long division to divide. 25x^3+40x^2-25x+10 by -5x^2-3x-2

asked by ROCKY on August 1, 2011
42. ## Trig

Find the derivative. {sqrt(x+8)}*(x^2+20x) (x+8)^1/2(2x+20) minus (1/2)(x+8)^-1/2(x^2+20x) I'm not feeling confident I am on the right track and I have a quiz tomorrow over this.

43. ## Algebra

Can someone tell me if I am right? Factor by group 20x^2-12x=15x-9 20x^2+3x+9 (4x+3)(5x-3) answer

asked by Tim on March 13, 2008
44. ## math

Find the product. (2x)(10x) A.20x B.12x C.20x^2 D.-5x Is the answer A?? Thanks

asked by nelly on May 13, 2015
45. ## algebra

Find the product (2x)(10x) Answers: 20x 12x 20x^2 5x

asked by Mia on June 6, 2014
46. ## algebra

Please correct,if necessary, and simplify using long division: (-72-4x^2+8x^3-36x) devided by (x-3). My solution: 8x^2+20x+24 ------------------- 8x^3-4x^2-36x-72 8x^3-24x^2 ------------------ 20x^2-36x-72 20x^2-60x ----------------------- 24x-72 24x-72

asked by Anneliese on April 15, 2017
47. ## algebra

what is the system of equation of: 0.25x+0.15y=2.5 1.25x-1.25y=7.5

asked by jhia on September 23, 2014
48. ## Trig

Find the derivative using the product rule. {sqrt(x+8)}*(x^2+20x) (x+8)^1/2(2x+20) minus (1/2)(x+8)^-1/2(x^2+20x) I'm not feeling confident I am on the right track and I have a quiz tomorrow over this.

asked by Anonymous on May 17, 2017
49. ## math

Simplify the given equation. 17x - 6 + 3x - 5 = x + 11 + 4x A)20x - 11 = 5x + 11 B)20x + 1 = 5x + 11 C)9x = 16x

asked by nicky on March 8, 2010
50. ## Calclulus - L'Hopital's Rule

Evaluate the limit as x -> Infinity [5x-sqrt(25x^2+4x)] Direct substitution yields the indeterminate form Infinity - Infinity. Apparently, according to text book, I have to change that mess into something I can use L'Hopital's Rule on. Except the only

asked by Sean on March 16, 2008
51. ## arithmetics

I still don't understand how you got those answers?drbob how did you get 0.75 divided by 112.50? can someone else help me understand? #6 After an article is discounted at 25% it sells for \$112.50. The original price of the article was? answer 150.00 #7 A

asked by chrisssy on August 1, 2007
52. ## Algebra

Natalie has \$50 to spend at the amusement park. If admission costs \$24, she spends \$12.50 on food, and each game is \$1.25 per play, write an equation that represents her total spending, y, and x as the number of games played. Then find how many games she

asked by Beep Beep Im a Sheep on June 4, 2019
53. ## math

WRITE A PROBLEM IN WHICH YOU WOULD USE THE FUNCTION RULE y=20X

asked by Anonymous on September 13, 2010

x-2 6x ____ - _____ 3x+4 x+1 *You are supposed to simplify the expresion.I really need help with this and some other problems.Please and Thank you.- Perhaps I could help but I can't make heads or tails of your posts. Try using parentheses (and / bar for

asked by Margie on March 3, 2007
55. ## Pre-Algebra

How do you solve this Pre-Algebra problem: \$1.25x + \$2.25y = \$916 x + y = 560

56. ## i dont know how to solve this

A taxi charges \$2.25 for a ride, plus \$0.25 for every 1/4 mile. Which inequality represents how many miles, x, a person could travel with \$8.00? A \$2.25 + \$0.25x ≥ \$8.00 B \$2.25 + \$0.25x ≤ \$8.00 C \$2.25 + \$1.00x ≥ \$8.00 D \$2.25 + \$1.00x ≤ \$8.00

asked by matt on January 19, 2016

Write the polynomial in simplest form with roots 4, 5i and -5i(multiply it out so no parentheses remain (x-4)(x+5i)(x-5i)(NOT SURE ABOUT THIS ONE) (x-4)(x^2-25i^22) (x-4)(x^2+25) x^3+25x-4x^2-100 x^3-4x^2+25x-100 Is this correct

asked by Graham on January 16, 2012
58. ## Math

using echelon method 4x-2y=9 20x-10y=27 pls help with problem. Once I get 24x -2y 36 I'm confused after that.

asked by Marie on February 27, 2010
59. ## Algebra 2

The function f(x) = -5x. The graph of g(x) is f(x) vertically compressed by a factor of 1/4 and reflected in the x axis. What is the function rule for g(x)? g(x) = -20x g(x) = -5/4x g(x) = 20x g(x) = 5/4x I think it's B, but I'm really not sure... please

60. ## 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

asked by Rosa on June 5, 2007
61. ## algebra

I was wondering if my answer is right. Let f (x)=(x+10)^2. Find x so that f(x)=72 (x+10)^2=72 x^2+20x+100=72 x^2+20x+28=0 x=(-20+-sqrt(400-112))/2 x=-10+6*sqrt(2)

asked by dan on April 25, 2010
62. ## College Algebra

A manufacturer of radios estimates that his daily cost of producing x radios is given by the equation C=350+5x. The equation R=25x represents the revenue in dollars from selling x radios. *Profit function,P(x)=R(x)-C(x),P(x)=20x-350 *How many radios should

asked by Ana on February 9, 2012
63. ## Math

If 5x +4y and 4x +3y =5 15x +12y =18 16x +12y = 20 31x/31= 38/31 x= 1 7/31 20x +16y =24 20x +15y = 5 31/y/31 = 29/31 y=29/31 x +y = 1 7/31 + 29/31 2 5/31

asked by kareen on August 20, 2015
64. ## Math- Need Help

If 5x +4y and 4x +3y =5 15x +12y =18 16x +12y = 20 31x/31= 38/31 x= 1 7/31 20x +16y =24 20x +15y = 5 31/y/31 = 29/31 y=29/31 x +y = 1 7/31 + 29/31 2 5/31

asked by kareen on August 21, 2015
65. ## Algebra

What is the side length of a square with an area of 25x^2 -30+9 ? I'm completely confused on this problem. I do not understand how to factor using the GCF.

asked by Tristien on January 14, 2016
66. ## math - factoring

I'm having some trouble factoring a problem. It's 75x^2 - 27 I know I can first factor out a GCF of 3 which leaves me with 3(25x^2 - 9) This seems to me to be a differences of squares but I cannot figure out what to do next. Thank you.

asked by Susan on December 14, 2017
67. ## Algebra

Can someone tell me if these problems have the right answers? I am tooooooo old to know this any more. I understand the first one, but 2&3 are vaguely familiar. 25x^2+25x+6=0 the answer is x=-1/2 +/- 1/10 #2 solve for V=1/3Bh for B answer is B=V/ 1/3h #3

asked by Algebra Parent on March 21, 2008
68. ## Algebra

Simplify and write with positive exponet (4x^-1)^-1 Work: (1/4x)^-1 (1/(1/4x))(4x/4x)= 1 (X^3+3x^2+3x+1)^-2/3 Work 1/(X^3+3x^2+3x+1)^2/3 1/(X^2+52/25x^4/3+52/25x+1) I'm confused on whether these are right or not can someone check my work or explain to me

asked by Yaga on August 16, 2016
69. ## Math

Prove 3(x+1)(x+7)-(2x+5)² is never positive So, 3(x+1)(x+7)-(2x+5)(2x+5) =3(x²+8x+7)-(4x²+20x+25) =3x²+24x+21-4x²-20x-25 =-x²+4x-4

asked by Anonymous on February 12, 2017
70. ## math

determine wether the following lines are parallel, perpendicular or neither. y=20x+45 and y=-1/20x+81 they are perpendicular right?

asked by rmz on February 22, 2010
71. ## math,correction

Solve for x. Problem #22 25x^2 = 13 My answer: x = + - radical (13)/(5) Problem #32 2 (x - 5 )^2 = 3 My answer: x = 5 +- radical (3)/(2) Problem #42 Solve for x x^2+4x+4=7 (hint factor the left-hand side) My answer: x = -2 +- radical (7)

asked by jasmine20 on March 28, 2007
72. ## math

1. (2x)(10x) a. 20x b.12x c.20x^2 d.5x** 2. -3m(m+8) a. -3m^2+24 b. -3m^2-24m c. -24m^2** d. -4m+5 3. 4d(2d-9) a.8d-36d** b.-d c.-28d^2 d. 8d^2-36d 4. find the product 5b(6b-10) a. 11b-10 b. 5b^2+6b-10** c. -b-10 d. 30b^2-50b

73. ## Honors Algebra 2

i have no clue how to solve this!! the problem is... 20x^3 - 125x = 0 (twenty x to the third power minus onehundredandtwentyfive x equals zero) it asks to find all the solutions for the equation. please help!!

asked by Anonymous on September 12, 2010
74. ## algebra

I need someone to check my work not sure if I'm doing this right. The design of a digital box camera maximizes the volume while keeping the sum of the dimensions at 6 inches. If the length must be 1.5 times the height, what should each dimension be? HINT:

asked by kevin on November 26, 2012
75. ## Math - PreCalc (12th Grade)

Which rectangular equation corresponds to these parametric equations? x = 0.2sec t and y = -0.25tan t A) 25x^2 − 16y^2 = 1 B) 25x^2 + 16y^2 = 1 C) x^2 − 16y^2 = 25 D) 25y^2 − 16x^2 = 1 E) 4x^2 − 16x^2 = 1

asked by Anonymous on March 24, 2014
76. ## Math

An n-sided polygon has interior angles of which 4 of them are of sizes 125,220,40 and 295 degrees . The remaining interior angles are of sizes 20 degrees each. Find the value of n, My working: let the number of sides for the polygon be n and the remaining

asked by Nurul on December 5, 2014
77. ## algebra

Having problems with the FOIL for the problem below (5x^8-5)(x^9-4). My answer is 5x^17-20x-5^9-20. please let me know if this is correct. if not correct can you show me what i need to do?

asked by Donni on November 30, 2010
78. ## college algebra

10x+10y+20=1850 20x+20y+10z=2200 20x+10y+10z=1500

asked by Anonymous on November 28, 2017
79. ## Math Help!

1. Find the product. (2x)(10x) 20x 12x 20x^2 5x 2. -3m(m + 8) -3m^2 + 24 -3m^2 + 24m -24m^2 -4m + 5 3. 4d(2d - 9) 8d - 36d -d -28d^2 8d^2 - 36d

asked by Allison on May 21, 2014
80. ## 12th math

A biologist determines that the path of a bee from its hive to its foraging site can be described by the parametric equations x= 4t-1 and y=2t^2+3t-4. Which of the following equations is the curve described by these parametric equations? y=20x-9 y=20x+16

asked by line on May 18, 2018
81. ## Pre-Calculus Help?

A biologist determines that the path of a bee from its hive to its foraging site can be described by the parametric equations x- 4t-1 and y-22+3t-4. Which of the following equations is the curve described by these parametric equations? y=20x-9 y=20x+16

82. ## Math

1)The break-even point is the ticket price for which the event's income will equal expenses. Another way to think of the break even point is the ticket price when profit is \$0. The equations given in an earlier problem were: P=((4000-25X)x)-7500

asked by Savannah on September 5, 2012
83. ## Math Help me.

Reduce the rational expression to lowest terms. If it is already in lowest terms, enter the expression in the answer box. Also, specify any restrictions on the variable. 25x^2−30x+8/25x^2−16

asked by Keonn'a on November 4, 2018
84. ## Math check

1.(2x)(10x) A)20x* B)12x C)20x^2 D)5x 2.-3m(m + 8) A)-3m^2 + 24 B)-3m^2 - 24m C)-24m D)-4m + 5* 3. 4d(2d-9) A)8d - 36d* B)-d C)-28d^2 D)8d^2 - 36d 4. (3x + 4)(x-2) A)3x^2 - 2x - 8 B)x - 8 C)3x - 2x - 8* D)3x^2 + 2x + 8 5. (2y - 1)(4y - 3) A)-2y + 3* B)8y^2

asked by Oscar on March 21, 2015
85. ## math

suppose that the gas tank of a car holds 12 gallons and that the car uses 1/ 20 of a gallon per mile .let x be the nuber of miles the car has gone since the tank was filled? (1/20x)= 12 so now get x by itslef! (1/20x)/ (1/20)= 12/(1/20) x= 240! yeah I am

asked by jess on October 30, 2006
86. ## Algebra

Jackson sells two types of toolboxes. He plans on selling them during a farming fair this weekend. He estimates he will sell 20 of the smaller boxes and 12 of the larger boxes. If he'd like the profit to be \$1300, which of the following best displays the

asked by Ace on November 15, 2019
87. ## math,algebra II

I need someone to explain to me step by step the process of this problem its in my book as an example but i am not understanding it. Ive researched the explanation of the ECHELON METHOD...BUt i am not seeingit...this is the problem that they have: Use the

asked by alma20 on June 1, 2007
88. ## Algebra

Can someone help me with this please. Andrew factored the expression 20x^3-12x^2+8x as 4x(5x^2-12x^2+8x) but when melissa applied the distributive law and multiplied out 4x(5x^2-12x^2+8x)she got 20x^3-48x^3+32x thus Andrews solution does not appear to

asked by Anonymous* on August 2, 2012
89. ## Math

A bike rental charges a \$4.00 rental fee plus \$2.25per hour. Selena paid \$12.00 to rent a bike. How many hours did Selena rent the bike for? I can't figure out how to round the answer 4+2.25x=12 -4 -4 2.25x= 8 2.25 2.25 X= 3.555555555555555

asked by Andrew washington on September 17, 2014
90. ## 7th Grade Math ~Multiplying Polynomials

1. (2x)(10x) (1point) 20x 12x 20x^2** 5x 2. -3m(m+8) (1point) -3m^2+24 -3m^2-24m** -24m^2 -4m+5 3. 4d(2d-9) (1point) 8d-36d -d -28d^2** 8d^2-36d 4. 5b(6b-10) 11b-10 5b^2+6b-10 -b-10 30b^2-50b** Are these right

asked by Gabby on May 14, 2013
91. ## Algebra

Andrew factored the expression 20x^3-12x^2+8x as 4x (5x^2-12x^2+8x). But when Melissa applied the distributive law and multiplied out 4x (5x^2-12x^2+8x), she got 20x^3-48x^3+32x^2; thus, Andrew’s solution does not appear to check. Why is that? Please

asked by traci on June 29, 2011
92. ## algebra

Andrew factored the expression 20x^3-12x^2+8x as 4x(5x^2-12x^2+8x). But when Melissa applied the distributive law and multiplied out 4x(5x^2-12x^2+8x),she got 20x^3-48x^3+32x^2; thus, Andrew's solution does not appear to check. Why is that? Please help

asked by ROCKY on July 24, 2011
93. ## Pre-Calculus

Rewrite each quadratic equation in the form ax^2+bx+c=0. Then,use technology to solve each by graphing. ROund you answers to the nearest hundredth, where necessary. a) 3x^2+30 = -19x Answer: 3x^2+19x+30 Roots: x = -3 b) 6x^2= 25x-24 Answer: -6x^2+25x-24=0

asked by Lucina on March 21, 2015
94. ## math

You run a small furniture business. You sign a deal with a customer to deliver up to 700 chairs, the exact number to be determined by the customer later. The price will be \$150 per chair up to 600 chairs, and above 600 the price will be reduced by \$0.25

asked by Leila on October 29, 2015
95. ## Math

An auditorium has 1600 seats. At a ticket price of \$6, the owners can sell 1200 tickets. For each 25 cent increase in price the tickets sold reduces by 25. What price should the owners set to maximize the income? Income=(6+.25x)(1200-25x) Generalize and

asked by Elisabeth on December 4, 2011

Your middle school is having a fall carnival. Admission into the carnival is \$3 and each game inside the carnival costs .25 cents.Write and inequality that represents the possible number of games that can be played having 10 dollars. What is the maximum

97. ## Hyperbola's vertics? and parabola's orientation

y^2= 9(x^2)+20x+3 how to identify its orientation and the locaation of its vertices? sqrt(x^4+8x^3)=sqrt(9x^2+20x+3) How to identify the parabola's orientation? up or down? thank you

asked by jay on May 21, 2007
98. ## Algebra

I need help learning to solve substitution. I have a problem that says solve the system by substitution -4.5x-2y=-12.5 3.25x-y=-0.75

asked by Samantha on October 8, 2017