# Margie

Newest questions and responses by Margie
1. ## beginning algebra

find 3 ordered pairs the satisfy the equation 2x + 10y = 25

2. ## Geometry

A plant is picked at random. There is a 30% chance the plant was purchased this year. There is a 6% chance that the plant was purchased this year and will produce berries. What is the probability that the plant was purchased and will not produce berries?

3. ## Geometry

There were 30 people. 9 visited the museum and zoo. 14 visited the zoo but not the museum, 5 visited the museum and not the zoo and 2 visited the zoo but not the museum. What is the probability that a person picked at random visited the museum and not the

(12xy)4

5. ## Algebra 2

Write this expression in expanded form. 4(a-b)2

6. ## arithmetic

Using math to fine 9:20 am to 5:05 pm

7. ## physics

Sorting Elements: Give out bags of small, varied objects of different shapes colors, and sizes, such as seashells, beads, or rocks. Have groups of students orgasnize the shells so that similar objects are near each other, but make sure that they are

8. ## Pre-Algebra I

Write in exponential notation... 95.214 how do I do this?

9. ## Chemistry

Xylose, a sugar isolated from wood, has the empirical formula CH2O. If a 6.25 mole sample of xylose has a mass of 938.3 g, what is xylose's molecular formula?

10. ## Engineering Economics

Sales of bottled water in the U.S totaled 16.3 gallons per person in 2004. Water costs .40 cents per bottle.A municipal company provides tap water for \$2.10 per 1000 gallons. If the average person drinks two bottles of water per day or uses 5 gallons per

11. ## area an perimeter

a parallelogramhas an area of 4yd squared the height is 1yd find the base

12. ## math

solve by the elimination method x+6y=12 -x+7y=1

13. ## finite math

1. what are the mean and standard deviation for this distribution of weekly take-home pay amounts? 2. what percentage of the pay amounts lie within 1 standard deviations of the mean? 3. what percentage of the pay amounts lie within 2 standard deviations of

14. ## finite math

kris scored 630 points on a particular section of a CPA exam for which the score were normally distributed with a mean of 600 points and a standard deviation of 75 points. At a differenttime, kerry scored 540 points on the same section, for which scores

15. ## finite math

The weights of boxes of Brand Z cereal were found to be normally distrubted with a mean of 16.5 ounces and a standard deviation of 0.4 ounces. a. what percentage of the boxes will weigh more than 16 ounces? b. what percentage of the boxes will weigh

5ã-1/1024

17. ## algebra

convert to decimal 8.93x10^7

18. ## math

given an 8 foot by 10 foot wall how many 6 inch square tiles would be needed to cover the wall

19. ## algebra

If I receive \$6570 from the sale of my car and the sales person got a 10% commission, how much did my car sell for.

20. ## Physical Science

Suppose you are traveling in a bus at highway speed on a nice summer day and the momentum of an unlucky bug is suddenly changed as it splatters onto the from window. a. Compared to the force that acts on the bug, how much force acts on the bus? (more) (the

21. ## math

Fill in the blank: gamma = 2(inverse tangent of e to the x) - pi/2 is the _______ of x.

22. ## math

Fill in the blank: Gamma = 2(inverse tangent of e to the x) minus pi/2 is the _________ of x.

23. ## Physics

Two students walk in the same direction along a straight path, at a constant speed - one at .90 m/s and the other at 1.90 m/s. a.) assuming that they start at the same point ant the same time, how much sooner does the faster arrive at a destination 780 m

24. ## Physics

What is the shortes possible time in which a bacterium could travel a distance of 8.4 cm across a Petri dish at a constant speed of 3.5mm/s?

25. ## English - beowulf

so Beowulf is an epic poem but what sorts of conflicts with or resistances to the idealogy of epic can be expressed. What are some examples in the poem?

26. ## English - beowulf

The relationship between the narrator andthe story, and between the narrator and the audience, in Beowulf?

27. ## Math

What is a polynomial in x?

28. ## Math (polynomials)

solve for x: and could you show me the step on how to do it? thank u! 1) 5.8 = .17x(sqaured)+.95x + 5.68 2) 5.8 = .09x(squared) + .01x (cubed) + 1.1x + 5.64

square root of 3 plus the cube root of 15

8^(-4/3) + 2^(-2) OVER 16^(-3/4) + 2^(-1)

31. ## french

i need 10 french slang terms. but they need to be 10 slang terms that teens use . =]

32. ## Thesis For History

My topic for History is,"French Troops refusing to fight in WWI." How can I make my thesis?

Solve the following quadratic by either factoring or using the quadratic formula: 6x2 - 5x = 6 6x^2 -5x -6 = 0 (3x+2)*(2x-3) = 0 Take it from there

34. ## Math[more]

Directions:Subtract and simplify. Problem: m+9/(m+3)-(-4m-6)/(m+3) Choices: a.5 b.-3 c.-3(m-1)/(m+3) d.m-1/m+3 What I Think: I think it is letter d. (m+9)/(m+3)-(-4m-6)/(m+3) = (5m+15)/(m+3) =5(m+3)/(m+3) = ? Your answer is not correct

35. ## Math23456

Problem:4x^2y^3 Choices: a.2nd degree b.3rd degree c.4th degree d.5th degree What I think:I think it is letter C. It is degree 3 in y. It is degree 2 in x. Normally, one would call this a degree equation , or a cubic equation.

36. ## Math133

Diections:Add and Simplify Problem:x/3+(5x)/3 Choices: a.2x b.x c.5x^2/9 d.5x^2/3 What I think:I think it is letter A. yes, it is A. (6/3)x = 2x

Solve the equation:(x+3)/-3=(x+3)(x-1) Divide both sides by (x+3), multipy both sides by -3. I Will be happy to critique your work. will it be x=-2? no. 1=-3(x-1) 1=-3x+3 -2=-3x x= 2/3 check that.

38. ## BSHRM

1.how will you know that the food is safe to eat? 2.what are the factors involved in food safety? thank you :-) http://www.foodsafety.gov/

39. ## BSHRM

I can't find any classification of food service operations. ;-) http://www.answers.com/classification classification = type = kind =)

40. ## BSHRM

1.What are the different classification of food service operations? 2.What are the different types of food service system?

41. ## Math Help

Directions:Solve and graph equation using words.Then include wether it is solid line or dotted,hoe to graph it,and which side shading is on. Problem:5x+3y>-6 and 27+x-6 and 2y+x-5/3 x-2 draw the dotted line y=-5/3x -2 Notice the equation says y above the

y

43. ## Simplify Completley

x/(6)+ 11x/6 2x

44. ## Math2

Directions:Solve and graph the inequalities using words. Problems: 4.-3x>-6 or x-52x-1 or -6>-2x-2

45. ## Math1

Directions:Solve and graph the inequality using words. Problem: 1.)2x>-4 and x-42x+1 and -4x

46. ## Research Paper

WHat do I do if I have a a source but I don't have the authors name and I have to put it in the paper...?understand.? Many internet sources don't list the author. You can use the URL and title of the site. oh ok thank you...so for example: blah blah

47. ## Thesis Statement for Research Paper

I need a thesis statement for my research paper on The Place de la concorde.How can I do that? http://www.indiana.edu/~wts/pamphlets/thesis_statement.shtml http://www.unc.edu/depts/wcweb/handouts/thesis.html Above are two very good sites on how to write a

Directions:Solve and explain the inequality using words.Tell which wa shading goes. Problem: x+3=>2x+1 and -4x

Directions:Solve and explain the inequality using words.Tell which wa shading goes. Problem: 2x>-4 and x-4-4 x>-2 x-4

Directions:Solve the rational expression. Problem: 1/(x+3)+1/(x-3)=1/(x^2-9) get (x+3), (x-3), and (x^2-9) to the same denominator...

Problem: x/4 - 4/x = 0 Directions:Solve the rational expression. x = -4 x = 4

Solve and graph(using words)the inequalities.Then describe the graphs using words. Example:x>5andx

*Describe your graphs using words. 2x > -6 and x - 4 < 3 You have to solve for x. x>= -3 and x

Problem: (y+2)/(y) = 1/(y-5) Directions: Solve the rational expression. Remember that if: a/b = c/d then: a * d = b * c I believe in school they call this the fraction crossover rule or fraction cross rule or something like that. i would work it like a

55. ## Please Check my Journal for MacBeth

Running Journal: Macbeth (Act 1 Scene 1) Thunder and lightning; enter three Witches: In the play as a whole, people are tossed about by forces that they cannot control, and so it is in the opening scene. The witches, blown by the storms of nature and war,

Problem: (2x+1)/(x^2-16) - (x^2-6x-7)/x^2-11x+28 What I Got: -x^2-3x-3/x^2-16 correct RIGHTAMUNDO WLCM :)

Problem: (x+2)/2x^2+5x+2 + (x-3)/2x^2-5x-3 What I Got: 0 at x=0, one gets 2/2 + -3/-3 which is not zero. You messed up a sign, I suspect. you are right girl

Problem: 4x/(x+2)-8/(x-1) What I Got: 4x^2-4x-16/(x+2)(x+1) *I had to simplify the rational expression No. At x=0, it doesn't check. The starting problem gives 8, your answer gives -8. I suspect a sign error somewhere. Probably in the denominator, the x+1

59. ## math444

x^2/x+3 - 5/x+3=0 *Please solve the rational equation Your non use of parenthesis is annoying and most confusing. I assume you meant x^2/(x+3) - 5/(x+3)=0 multiply both sides of the equation by x+3, and solve.

60. ## math3333

y+2/y =1/y-5 *Please solve the rational equation I am not certain if the right term is 1/(y-5) or the right side is 1/y -5

61. ## Math Help 222

x^2/x-4 - 7/x-4=0 *Please solve the rational expression. multipy both sides by (x-4) then you have x^2-7=0 x= +- sqrt 7

x/3-2/3=1/x *Solve the rational below. I really need help. multiply both sides by x. x^2/3 -2x/3 = 1 multiply both sides by 3 subtract three from each side x^2 -2x -3=0 (x-3)(x+1)=0 Then either of the factors can be zero, or x=3 or x=-1

*Please solve the rational expression. x^2/x-4 - 7/x-4=0

y+2/y=1/y-5 *Please solve the rational equation. Done the same way as the previous post.

x/3-2/3=1/x *Solve the rational below. I really need help. Multiply through by 3x x^2 -2x = 3 And solve. I don't get it... can you explain it more.then I can help you Margie

66. ## BobPursley3...another one..

Problem 3: 4x/(x+2) - 8/(x-1) What I did: Common denominator is: (x+2)(x-1) 4x(x-1)/(x+2)(x-1) - 8(x+2)/(x+2)(x-1) [4x(x-1) - 8(x+2)]/(x+2)(x-1) multiply the numerator out. 4x^2 -4x -8x-16 4x^2-12x-16 factor 4 out 4(x^2-3x-4) factor 4(x-4)(x+1) and that

67. ## bobPursley2...the other one

Problem 2: (x+2)/(2x^2+5x+2) - (x-3)/(2x^2-5x-3) What I did: 2x^2+5x+2 factors are (2x+1)(x+2) 2x^2-5x-3 factors are (2x+1)(x-3) Then: (x+2)/(2x+1)(x+2) - (x-3)/(2x+1)x-3) So the common denominator is (2x+1)(x+2)(x-3) using that combine the fractions. I

68. ## 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 -

69. ## Writeteacher...

how come if I wanted to help someone I can't post a website?What do I do if I need to post a website? You cant. We do that to keep porn links off of the forum. but that kid was looking for websites on jesus and mohammad and I couldn't give him the awesome

70. ## Bobpursley can you help me with my problems below?

I had problems from yesterday but I still don't get them can you help?do you want me to repost? repost: I cant find them.

71. ## Math33333

Please help me! Problem: x+2 x-3 _________ - _________ 2x^2+5x+2 2x^2-5x-3 *Simplify the expression 2x^2+5x+2 =(x+2)(2x+1) 2x^2-5x-3 =(2x+1)(x-3) So x+2/(x+2)(2x+1) = 1/2x+1 x-3/(2x+1)(x-3) = 1/2x+1 Finally 1/2x+1 - 1/2x+1 = 0 Let's take a look at the

4x 8 ___ - ______ x+2 x-1 *Simplify The Expression I'm going to assume your problem is this: 4x/(x+2) - 8/(x-1) Use a common denominator since the denominators are not the same. Common denominator is: (x+2)(x-1) Rewriting the problem, we have:

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

74. ## "It Happened To Nancy'

How do you feel about what happened to Nancy? *My homework is to create a table showing what people felt about what Happene to nancy. Thank you for using the Jiskha Homework Help Forum. I answered this earlier but I see it didn't post. First of all, make a

75. ## sports

um...wasn't it the colts? wo won the super bowl in football no lik i sed

Problem: 6-3x 25 ---- * ---- 5 4x-8 *I have to multiply the expression and simplify it.Thanks for your help. The five goes into the twenty five, and you can factor out a three from the first term in the numerator, and a two from the second term in the

77. ## More Math 2 See If You Can Help Me... :)

Problem: a^2-9 a^2-3a ----- * -------- a^2 a^2+a-12 Here Is What I Got: (a+3)3a ------- (a+4) *Please Check It.I think I did it wrong though.. =[ I'm going to assume your problem is this: (a^2-9)/a^2 * (a^2-3a)/(a^2+a-12) Note: I'm using * to mean

Problem: 25-x^2 6 ------ * --- 12 5-x What I Got: 5-x --- 2 *Please Check My Work And Tell Me If I am Correct or wrong.If I am wrong please help me as much as possible.Thank you~ Wrong. When are you going to factor the 25-x^2 ? The 5-x then will divide

Find the sum and express in simplest form. Show all work: x^2 2x-15 ----- *------ x^2-9 x^2-9 *I don't get this at alll.Plz help me. I assume you are trying to add, since the problem says "find the sum" and express in simplest form. x^2/(x^2-9) +

Solve the inequality x > 6x - 10 and write a description of the graph. Show all work Subtracting x from both sides does not change the inequality sign direction. 0 > 5x - 10 Add 10 to both sides 5x < 10 Divide both sides by 5. x < 2.

Problem: a^2-9 a^2-3a ----- * -------- a^2 a^2+a-12 What I Got: 3-3a ---- a-4 *Please Check My Work.* Nope. factor the denominator to a^2(a+4)(a-3) The last factor divides out in the numerattor (second term factors to a(a-3). The a in the numerator reduces

Problem: 25-x^2 6 ------ * --- 12 5-x What I got: 5-x --- 2 *PLease Check My Work. No. Factor the 25-x^2 into two factors. Then the 5-x in the denominator divides out. So then is it: 5+x --- 2 yes. 12x12

83. ## PLease Check My Work

3. T^2-25/t^2+t-20= (t-5) (t+5)/ (t-10) (t+2) 4. 2x^2+6x+4/4x^2-12x-16= 2(x+2) (x+1)/4 (x-4) (x+1) 5. 6-y/y^2-2y-24= 1/(y+4) *Please check them.- 3. (t-5)(t+5) / (t+4)(t-5) 4. 2((x-1)(x+2)) / 4((x+4)(x-1)) 5. (6-y) / (y+6)(y-4) i don't really understand

You have to simplify each expression: 1/R+1/T multiply the first term by t/t, and the second R/R You should then get... (T+R)/RT

a^2-9 a^2-3a ----- * ------- a^2 a^2+a-12 *I got: 3-3a/4 I don't think so. factor the a^2-9, and the second numerator to a(a-3) Then the denominator factored is a^2*(a+4)(a-3) So wait... don't I have to first have to take out the repeated thingys.? I don't

25-x^2 6x^2 ------ * ------ 12 2x *I got: 5-x/2 No. Try again. Can you tell me what I did wrong please.? You have to factor the numerator, you should have two factors for the first, and one for the second. In the denominator, you will have 24 x. I think

* I don't get this problem at all... 4(x+2) 6x^2 ------ * ---- 5x 2x what are the directions? in the denominator, you have 10x^2 in the numerator, you have 24x^2(x+2) the x^2 divides out, and the numbers can be reduced. that would be (12(x+2))/(5) the

m-2 m+5 --- * ---- m-5 m-2 *I got : m+5 ---- m-5 you're absolutely correct. the m-2's cancel out and you're left with m+5/m-5 thank you hopefully you can help me with the others...

89. ## MATH PLEASE CHECK IT!!2

m-2/m-5*m+5/m-2=-1 If your problem is this: (m - 2)/(m - 5) * (m + 5)/(m - 2) = -1 (m - 2) cancels out in both the numerator and denominator on the left-hand side since you are multiplying. That leaves us with this: (m + 5)/(m - 5) = -1 To solve for m:

90. ## Please Check This 2!

p^4-1=(p^2)(p^2+1) Typo? p^4-1=(p^2-1)(p^2+1)

91. ## More Math To Check Please

4c^2 - 12c + 9 This is what I got: (2c+3)(2c-3) *Is that correct.? No, it is (2c-3)^2.

92. ## Please Check My Math Work

a^2 - 2ab - 15b^2 This is what I got: (a-5b)(a+3b) Correct! x^4+2x^3-4x^2-5x-6 DIVIDED BY x^2+x-2 My answer: x^2+x-3 remainder of -12\x^2+x-2

93. ## Thanks TRISH

thanks...even though you didn't help me with that you still helped me.. You're welcome. Like BobPursley told you, I just can't give you the answer. Not only is it not what this site is for, you would never learn anything, and like he mentions, it is

5. Find the x and y intercepts of each linear equation. Be sure to write your answers as ordered pairs. a.y=3x-6 b.6y=-x+2 Set x = 0 and y = 0 to find the intercepts. will that get me 2 thingys for each.? Again, you should show your own answer first, but

95. ## Math for Trish To Help Me With

Factor the following. You will earn 5 points for each polynomial that is factored correctly. Please label your individual answers with a – f. a.) 4x2 - 25 b.) 3x2 + 6y c.) x^2 - 7x + 10 d.) 2x^2 - 9x – 18 e.) 2ax + 6bx + ay + 3by f.) 6x^2 + 12x – 48

1. Which line is the flattest (or is less steep)? Why? a.y = 5x -6 b.y = 5x + 6 c.y = x - 3 d.y = 1/2x + 3 I think It is C.It has the smallest slope. Someone Please Help me! ...Help me... Doesn't d have the smallest slope? 0.5x. Please...I just want to

(-2x^2y)^3*(5xy^3)^2=(-2x^2y)^3 = -8 x^6 y^3 *Please check my work. What did you do with the (5xy^3)^2 part. The first part you did ok. But you can't just throw away part of the equation. I don't get that part.What do I do there.? (5xy^3)^2=25x^2y^6 You

98. ## More Math2(MathGuru)

5. Find the x and y intercepts of each linear equation. Be sure to write your answers as ordered pairs. a. y = 3x - 6 b. 6y = -x + 2 *What do I do here.?

99. ## Pleas Check More Of My Work(MathGuru)

1. Which line is the flattest (or is less steep)? Why? a.