| Subject | Date Asked | Expert |
|
| turning problems from point slope form to slope intercept | 12/4/2008 | Lynn Houston |
Q: a line passes through (1,-5) and (-3,7). write the equation in point slope form then rewrite in ...
A: slope is y2-y1/x2-x1 so the slope of the line through the two coordinates is 7-(-5)/-3-1 = -4. ...
|
| math | 12/3/2008 | Lynn Houston |
Q: what is f(-3) if f(x)=4xsquared + 1? what is the value of y when x=4 if y= 5x+2? what is f(-3) if ...
A: what is f(-3) if f(x)=4xsquared + 1? 37 what is the value of y when x=4 if y= 5x+2? 22 what is ...
|
| Slopes | 12/2/2008 | Lynn Houston |
Q: Hey i need to know the basic stuff about slopes. What the formula is. How to do it. Anything ...
A: Use this one and type slopes into the search box on the upper right. Apparently the search isn't ...
|
| SUBTRACTION METHOD | 12/1/2008 | Lynn Houston |
Q: WHAT IS IT
A: Hard telling with so little information, but I'm guessing it's algebra and that it's eliminating one ...
|
| Basic Algebra | 11/30/2008 | Lynn Houston |
Q: I've been given this1) Solve the below equation. 5-x/4 = 3 My teacher says to multiply everything ...
A: Treat it as an = sign and do the same thing (isolate the variable by "undoing" everything that has ...
|
| Basic Algebra | 11/30/2008 | Lynn Houston |
Q: I've been given this1) Solve the below equation. 5-x/4 = 3 My teacher says to multiply everything ...
A: No. What you do to one side of the equality, you have to do to the other. So, when your teacher ...
|
| Basic Algebra | 11/30/2008 | John Zalewski |
Q: I've been given this1) Solve the below equation. 5-x/4 = 3 My teacher says to multiply everything ...
A: Ryan (5-x)/4 = 3 Your teacher is correct. By multiplying the left side of the equation by 4, the ...
|
| hi | 11/30/2008 | Lynn Houston |
Q: wow you're pretty good :) 23. Write in scientific notation: 762.20 a.) 76.220 x 10^1 b.) ...
A: They're getting harder... what grade are you in? 23. Write in scientific notation: 762.20 c.) ...
|
| hello /algebra2 | 11/29/2008 | Lynn Houston |
Q: 13. Simplify: [3 / 4]^-1 [-4 / 3]^-2 a.) 1 b.) 4 / 3 c.) 3 / 4 d.) -1 ...
A: 13. Simplify: [3 / 4]^-1 [-4 / 3]^-2 c.) 3 / 4 14. Write without using fractions: x^2 / yz^4 ...
|
| help! algebra2 | 11/27/2008 | Lynn Houston |
Q: 31. Solve the inequality: t^3 < 9t^2 32. Solve the inequality: 4x(x + 1) ≥ 3 33. Factor ...
A: 31. Solve the inequality: t^3 < 9t^2 t<9 32. Solve the inequality: 4x(x + 1) ≥ 3 -3/2 > x > ...
|
| basic math | 11/27/2008 | John Zalewski |
Q: What are the prime factors of 700? A. 2 x 2 x 2 x 5 x 5 x 7 B. 350 x 2 C. 2 x 2 ...
A: Katelyn. The prime factors of a number are the numbers which multiply together to equal the target ...
|
| hello /algebra2 | 11/26/2008 | Lynn Houston |
Q: 1. Factor the polynomial: 121x^2 - 1 a.) (11x - 1)(11 - 1) b.) (11x + 1)(11x - 1) c.) (11x + ...
A: 1. Factor the polynomial: 121x^2 - 1 b.) (11x + 1)(11x - 1) 2. Factor the polynomial: 16x^2 + ...
|
| Help! | 11/26/2008 | John Zalewski |
Q: Can you please help me how to solve this equation? The answer should be in meters. 84m -48m -100m ...
A: Christine. The first thing you have to do is convert all of the units to meters. 499 cm x 1 ...
|
| hello /algebra2 | 11/26/2008 | Lynn Houston |
Q: 21. Simplify: 2z^2 - 5)^2 a.) 4z^4 - 20z^2 + 25 b.) 4z^2 + 10z^2 - 25 c.) 4z^4 + 20z^2 - ...
A: 21. Simplify: (2z^2 - 5)^2 a.) 4z^4 - 20z^2 + 25 22. Simplify: x^2(x - 3)(x + 3) b.) x^4 ...
|
| 4th Grade Question Regarding Line Plots | 11/25/2008 | Lynn Houston |
Q: We have been asked to make a line plot of Laura's test scores. The following has been provided. ...
A: Draw a horizontal line. Label the left end 80 and the right end 100. In the middle, between 80 and ...
|
| math | 11/24/2008 | Lynn Houston |
Q: Which of the following is the correct graph for x=3 and x= -2?
A: Well, without seeing the graphs, it's kinda hard to tell. However, if it's one question and it's ...
|
| Math | 11/24/2008 | John Zalewski |
Q: Solve. 5/18-13/24=
A: Tiara. 5/18 - 13/24 Step 1: Find the least common denominator for 18 and 24. The least common ...
|
| recipricols | 11/23/2008 | John Zalewski |
Q: How many 5/6ths are in 3?
A: Paul. To answer this, divide 3 by 5/6. 3 / 5/6 Step 1: Change the division sign to ...
|
| qustion | 11/23/2008 | Lynn Houston |
Q: 1. ratio of the father and son is 5:3 the sum of their age is 40.what will be the ratio of their age ...
A: The ratio is 5:3, so that means 5x + 3x = 40, 8x = 40, x = 5. That means, currently, the father's ...
|
| Tax | 11/22/2008 | Lynn Houston |
Q: I'm not sure on how to add the tax in exactly. Here's the problem: Ms. Munch bought a watch with ...
A: You add the tax in after you take of the discount. (129-(129(.2)))*1.06= $109.39 The above is the ...
|
| linear euaqation word problems | 11/22/2008 | Lynn Houston |
Q: Robert is on a diet and can have 500 calories for lunch. A 3- ounce hamburger on whole wheat bread ...
A: (500 - 315 - 145)/10 = 4 Algebra is logic, so think about this logically. Although it doesn't say ...
|
| math | 11/21/2008 | Lynn Houston |
Q: 1.if a,b,c share 1400 between themselves.A receive half of b:b receive half of c:how much c receive. ...
A: 1.if a,b,c share 1400 between themselves.A receive half of b:b receive half of c:how much c receive. ...
|
| this is the correct one | 11/21/2008 | Lynn Houston |
Q: i know your getting this one twice lynn but i forgot to add the powers^ to a couple of them -sorry ...
A: 21. h(x) = 2x^3 - 5x^2 Find h(-5) a.) -375 22. f(x) = 15 - 6x g(x) = 3/5 x Find ...
|
| 3 grade algerbra | 11/20/2008 | John Zalewski |
Q: The Jacksons have two dogs Beau and Max. Beau is 2 years older than Max. The sum of thier ages is 16 ...
A: David. Max = x Beau = 2+x x + 2+x = 16 Step 1: Combine the left side of the equation. Result: ...
|
| math please help | 11/19/2008 | Lynn Houston |
Q: can you help me to figure out how to simplify and solve line by line 12y=2y+40
A: The goal is to get y by itself, so you have to start by combining like terms. To do that, subtract ...
|
| algebra 2 | 11/19/2008 | John Zalewski |
Q: my name is sammy and I'm on online highschool. I need help figuring out this formula. i don't know ...
A: Sammy. I'm not sure what the 'V30' means, but all you have to do is plug in the numbers. For ...
|
| 5xsquared +5=250 | 11/18/2008 | John Zalewski |
Q: I'm trying to help my 11 year old Son with his homework but was never any good at algebra. How do we ...
A: John. 5x^2 + 5 = 250 Step 1: Subtract 5 from both sides. Result: 5x^2 = 245 Step 2: Divide both ...
|
| help! | 11/17/2008 | Lynn Houston |
Q: 11. f(x) = 4x + 2 h(x) = -7x - 5 Find f(x) - h(x) a.) 11x - 3 b.) 11x + 7 c.) ...
A: f(x) = 4x + 2 h(x) = -7x - 5 Find f(x) - h(x) d.) -3x - 3 12. f(x) = 4x + 2 h(x) = -7x - ...
|
| solving equation with fractions | 11/17/2008 | John Zalewski |
Q: -2/3(x-5)= 3/2(x+1) I know how to solve equation that are a fraction times x but how do I work with ...
A: Belinda. -2/3(x-5) = 3/2(x+1) You need to distribute the -2/3 and 3/2 through their respective set ...
|
| help =] | 11/17/2008 | John Zalewski |
Q: i cant work this out: find the value of x 1/27 - 1/3[to the power of x] 8 [to the power of 5] = ...
A: Leanne. 1/27 - 1/3^x There is no way to find the value of x, as this is not an equation. 8^5 = ...
|
| Locker problem | 11/17/2008 | Lynn Houston |
Q: Famous Locker problem Here is the famous locker problem: Imagine you are at a school that has 100 ...
A: All the lockers will be open except those that are perfect squares (ie, 9, 16, 25, 36, 49, 64, 81, ...
|
| prime factors | 11/16/2008 | John Zalewski |
Q: what are the prime factors of these numbers : 99 105
A: Stacey. A prime factor is a number which cannot be divided into evenly by any other number, with ...
|
| help! algebra2 | 11/16/2008 | Lynn Houston |
Q: 11. Martha's age is twice that of her brother Ned. The sum of their ages is 24. Find the age of ...
A: Not really a follow up, next time, start a new question.1. Solve the system: x + y = 4 ( y + 2 ) ...
|
| help! algebra2 | 11/16/2008 | Lynn Houston |
Q: 11. Martha's age is twice that of her brother Ned. The sum of their ages is 24. Find the age of ...
A: 11. Martha's age is twice that of her brother Ned. The sum of their ages is 24. Find the age of ...
|
| fractions | 11/15/2008 | John Zalewski |
Q: 6over11+7over33 4over10X6over15 4over9+7over30 these questions are fractions
A: Joseph. 6/11 + 7/33 Step 1 is to find the lowest common denominator. The lowest common denominator ...
|
| algebra2 | 11/14/2008 | Lynn Houston |
Q: appreciate it very much. what would you get for the problem? 12. Find the linear equation given ...
A: 12. Find the linear equation given the following information:m = -4/3 and y-intercept = -1 d.) y = ...
|
| FRACTION EQUATIONS | 11/14/2008 | Lynn Houston |
Q: How do I explain to my daughter the steps in solving this fraction equation. g+1 3/4=5 5/12-3 1/2
A: Before I can answer, I need to know the actual problem. Is the eq (g+1)(3/4) = (5 5/12) - (3 1/2) ...
|
| problem solving | 11/13/2008 | Lynn Houston |
Q: Execute each of the indicated multiplications: (1). x(a+b) (2). 3x^2(7x + 8y) (3). (3x +2)(8x +5) ...
A: (1). x(a+b)= xa+xb (2). 3x^2(7x + 8y)= 21x^3 + 24x^2y (3). (3x +2)(8x +5) = 24x^2 + 31x +10 ...
|
| Order Of Operations | 11/13/2008 | John Zalewski |
Q: My math teacher gave my class a worksheet and theres this one problem i don't get. It's order of ...
A: Bobbie. In order of operations, division comes before addition and subtraction, so we'll start ...
|
| expressions | 11/12/2008 | Lynn Houston |
Q: I am just not getting it :( Simplify the following expressions by combining as many terms as ...
A: combining terms, just means, take all the terms that are the same and add them together. Let's say ...
|
