| Subject | Date Asked | Expert |
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| please solve | 10/24/2004 | Jenny |
Q: 1.)Write the equation of a line that passes through the point (1, – 4) and is perpendicular ...
A: First of all, the slope of the line we are looking for is 4, because to be perpendicular, it needs ...
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| math homewok...help!!!! | 10/24/2004 | Bryan Dettmann |
Q: 1.)Write the equation of a line that has the given slope and passes through the given point. ...
A: well with these kinds of problems there is a definate pattern to follow if you can get this down you ...
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| The five step method | 10/23/2004 | Stephen King |
Q: I have some problems there kinda like word problems and im not understanding them you have to solve ...
A: I have no idea what the 5-step method is. But I can solve all of these problems for you: 1. ...
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| Proportions | 10/23/2004 | Richard J. Raridon |
Q: I need your help with 4 problems that im having trouble understanding you have to solve and simplify ...
A: 1. 4/x = 5/7 just cross multiply to get 28 = 5x so x = 28/5 2. 3a/7 = -2/5 3a = -14/5 so a = -14/15 ...
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| Stock Prices | 10/23/2004 | Stephen King |
Q: From my book, On Monday, GM stock opened at 54 3/4 per share and closed up 3/16, on Tue. it closed ...
A: The closing price would be what the price is after all the ups and downs by the end of the week. ...
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| The quadratic formula | 10/23/2004 | Bobby Soltani |
Q: I need your help on this problem you have to use the quadratic formula to solve the following step ...
A: The quadratic formula is: (-b +- SQRT(b^2 - 4ac))/(2a) where a,b, and c are of the form ax^2 + bx ...
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| Solving word problems involving quadratic equations | 10/23/2004 | Stephen King |
Q: I need your help with 2 word problems you have to use quadratic equations to solve problems step by ...
A: 1. "directly proportional" means multiplied by a constant. So translate the words into math ...
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| help with a formula | 10/22/2004 | Cindy Myers |
Q: I have a problem with some maths that I would really appreciate some help with. I have a range of ...
A: This is very difficult to do as a formula. But it should be much easier when actual numbers are ...
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| WORD ALGEBRA | 10/21/2004 | Cindy Myers |
Q: $10 DOLLARS LESS THAN THE TOTAL YOU PAID YESTERDAY
A: The key to working these out is to translate English into math talk. "less" means subtract, so 10 ...
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| LINEAR EQUATIONS | 10/21/2004 | Cindy Myers |
Q: SOLVE FOR Y 3X-2Y=-18 ALSO FIND Y WHEN X= -1 PLEASE SHOW STEPS AND ANSWER THANK-YOU
A: We cannot find an exact value because there are two unknowns and only one eq. To re-arrange the eq ...
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| algebra I exam question | 10/21/2004 | Bobby Soltani |
Q: 7/8 of the tickets had been sold and there were 560 tickets left. How many tickets are printed? ...
A: Since 7/8 of the tickets have been sold, that means that 1/8 of the tickets is equal to 560. When ...
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| Average speed....algebra | 10/20/2004 | Richard J. Raridon |
Q: junior drove his rig on Interstate 10 from San Antonio to El Paso. At the halfway point he noticed ...
A: You might be tempted to say 40 mph but that would be incorrect. ...
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| synthetic division | 10/20/2004 | Richard J. Raridon |
Q: synthetic division-can you show me step by step? 3x^3-2^2+2x-5 ------------- x-2 Express in ...
A: I presume you mean 3x^3 -2x^2 +2x -5. if you divide by x-2, the first term in the answer is 3x^2. ...
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| Multiplying 2 trinomials | 10/19/2004 | Bryan Dettmann |
Q: I was curious if you can help me understand how to multiply 2 trinomials by one another.
A: first you take the first term of the first trinomial and distribute it to the secound trinomial. ...
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| Algebra I- Need Assistance With Solution | 10/19/2004 | Jenny |
Q: Im really stumped with this algebra problem. I've been trying to get the formula to solve this math ...
A: Here's what you do. We need a common denominator to add these two fractions, right? So to make it ...
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| algebra | 10/19/2004 | Jeff White |
Q: My partner and I are working on a binary compression system. We are working with pyramids and ...
A: I looked up this formula online and I was only partially right earlier...it's real claim to fame is ...
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| pre algebra | 10/19/2004 | Jeff White |
Q: I have been out of school sick since sept 8th/04 but I have a teacher from school that comes to my ...
A: Since the perimeter is the distance around the outside, you just need to add up the measures of all ...
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| How you answer this? | 10/19/2004 | Bobby Soltani |
Q: A homeowner is installinga fence around the garden at the right. The gardenn has a perimeter of 220 ...
A: I hope I understand your question. You say that you have a rectangle with sides of length 3x, 3x, ...
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| algebra I | 10/18/2004 | Jenny |
Q: Katie has a collection of nickels dimes & quarters with a total value of $4.35. There are 3 more ...
A: You actually write several equations. Let d=# of dimes, n=# of nickels, and q=# of quarters. The ...
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| algebra | 10/18/2004 | Jeff White |
Q: My partner and I are working on a binary compression system. We are working with pyramids and ...
A: I'm not sure what you're asking...are you wanting to solve for n as a function of x? Otherwise, ...
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| compound interest | 10/18/2004 | Jeff White |
Q: I am currently in 8th grade and now we are doing compound interest. Algebra isn't to hard for me but ...
A: "Honeygirl"? Why "Honeygirl"? Interesting nickname. I'm going to refer you to my favorite algebra ...
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| Quadratic equations with perfect squares | 10/16/2004 | Richard J. Raridon |
Q: I need your help on some problems that im not understanding. You have to solve the quadratic ...
A: It's squared, not sqaured. 1. x^2 = 225 so x = +/- 15 2. x^2 = -225 so x = +/- 15i 3. a^2 -64 = 0 so ...
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| Grapghs of quadratic equations the discriminant | 10/16/2004 | Richard J. Raridon |
Q: I need your help with a couple problems Im not understanding, this is what you have to do. Without ...
A: 1. y = x^2 -5x +6 dy/dx = 2x -5 = 0 so x = 5/2 at the minimum or maximum. Put that value into the ...
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| The quadratic Formula | 10/16/2004 | Jeff White |
Q: I have 2 problems that I need help on fast. You have to use the quadratic formula to solve the ...
A: I had this all ready to send yesterday, then I hit something and deleted it, and didn't have time ...
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| Completing the square | 10/16/2004 | Richard J. Raridon |
Q: Im having trouble finding the answer and how to write these problems out, I understand them a little ...
A: 1. x^2 +12x +36 2. x^2 -6x +9 1. x^2 -6x +9 = 16+9 so (x-3)^2 = 25 and x = +/-5 +3 or x = 8 and -2 ...
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| quadratic equations with perfect squares | 10/16/2004 | Jeff White |
Q: I need your help on some problems that im not understanding. You have to solve the quadratic ...
A: 1.) x² = 225 x² - 225 = 0 (x + 15)(x - 15) = 0 x = ±15 2.) x² = -225 x² + 225 = 0 No real solutions ...
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| Multiplying, dividing, and simplifying radicals | 10/16/2004 | Jeff White |
Q: simplify and solve step by step. HERES THE PROBLEM. There is a 6 in front-outside of the square ...
A: First of all, I would write this problem like this: 6*sqrt(7) * 3*sqrt(5) What you have here is ...
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| Pecalculus | 10/15/2004 | Bobby Soltani |
Q: The book gives an answer but does not explain step-by-step how the answer was attained. Can you ...
A: To find a maximum for this equation, you take the derivative of P(t) and set it equal to zero(Since ...
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| slope intercept | 10/14/2004 | Jeff White |
Q: From: Massachusetts Reason for seeking help. Trying to help my daughter but am finding various ...
A: What you'll need on all of these is the point-slope formula, which is an equation used when you know ...
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| Word problems /travel | 10/14/2004 | Jenny |
Q: Carlos and Maria drove a total of 258 miles in 5 hours. Carlos drove the first part of the trip and ...
A: Let's see if we can figure this out. You're right on with the d=rt, so in our case, 258=5*r. We ...
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| exponents: BOOK-An Intermediate Course in Algebra--by: Warr, Curtis, and Slingerland | 10/14/2004 | Jenny |
Q: I am having trouble with the entire problem..my teacher is not the greatest in the world and i've ...
A: Let's solve for N: E=1.96(.25/N)^(1/2) The first thing we can do is divide both sides by 1.96. ...
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| ratio | 10/14/2004 | Bobby Soltani |
Q: How do I go about finding the number of women on a committee? Thanks in advance. harraineIf the ...
A: In this problem, we create two equations and two unknowns. When we do that, we can solve them. ...
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| begining algebra | 10/13/2004 | Bryan Dettmann |
Q: I'm twelve and my parents and i cant figure this out! can you help me find an equation that will ...
A: ok its a simple system of equations x = hotdogs y = hamburgers 2x + y = 3.39 3x + 3y = 6.57 now ...
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| Adding and subtracting Square root radicals | 10/12/2004 | Jeff White |
Q: The objective here is to simplify the sums and diffrences of radicals, you have to simplify and ...
A: You treat the radicals sort of like variables, meaning you can add like terms together. So for ...
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| -24=3(-2y-7), 3(x-1/4)=3/4, 3/8-1/4x=1/16 | 10/11/2004 | Jeff White |
Q: I understand basic algebra equasions but I am having trouble understanding problems with fractions ...
A: When there are fractions involved, multiplying both sides of the equation by the least common ...
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| RATIONAL SQUARE ROOTS | 10/11/2004 | Richard J. Raridon |
Q: THE OBJECTIVE HERE IS TO FIND THE SQUARE ROOTS OF THE NUMBERS WITH RATIONAL SQUARE ROOTS. I AM NOT ...
A: When you take square roots you get two numbers, one negative and one positive. You can indicate a ...
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| Properties of rational numbers | 10/11/2004 | Jeff White |
Q: Im having some problems with my homework and i need your help. 1. Which rational number is greater ...
A: Think of a rational number as one that can be expressed as a fraction. So any fraction is a ...
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| solving inequalities | 10/11/2004 | Richard J. Raridon |
Q: The objection here is to tranform inequalities in order to solve them and im not understanding it ...
A: You can add or subtract the same thing from both sides of an inequality without changing the result. ...
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| Algebra 1 | 10/11/2004 | Jenny |
Q: (-1 2/3)(-2 2/13) Im having trouble getting the right answer, everytime i do it I get the wrong ...
A: First we can make these improper fractions instead of mixed numbers. To do that, you take the ...
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| multistep algebra | 10/11/2004 | Bobby Soltani |
Q: find the answer for the varible 2z - 5(z+2)= -8 - 2z
A: Here are the steps to solve this problem. You want to manipulate the equation until it looks like z ...
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