| Subject | Date Asked |
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| Linear Functions and Exponential Models | 11/12/2009 |
Q: I am having a hard time understanding how to get the linear function y=mx+b out of this table. The ...
A: Find the slope for each pair of data. For instance the first pair will be x1=1, y1=3 x2=3, y2=7 ...
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| urgent math | 11/3/2009 |
Q: Hey there I have a test tomorrow nigh for Calc and I just can't seem to get the answers for these ...
A: This is too long I don't have the time to help you with everything. I will give you some hints to ...
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| im trying to study for exam | 11/2/2009 |
Q: i am studying for a vetassess exam and i doing practice questionsi found on there website. i can ...
A: I'm a bit confused about the question. Do you mean A=20 - 10/Z2 ? What is Z2 ? or is it Z*2 (Z ...
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| how to solve (x + 2x^3)^4 = -1 | 10/31/2009 |
Q: I am stuck on how to start a calculus problem. The problem is to show why the function f(x)=(x + ...
A: I'm a little bit confused. Specifically, I don't understand what "a" is. Do you mean: "Show that ...
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| Algebra1 | 10/28/2009 |
Q: I am trying to check my son's homework but I'm stuck.It says to find the value of x so the function ...
A: If I understand correctly, the question is: Find the value of x such that n(x)=39 given that ...
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| urgent math | 10/21/2009 |
Q: I REALLY need to know how to go about finding the inverse of a transcendental function. I have no ...
A: Every transcendental function has it's inverse. In the case of trigonometric functions you have ...
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| trig | 10/14/2009 |
Q: The function cot 115 degree is equivalent to
A: cot 115 degree is equivalent to many things. You would have to tell me in terms of what you want to ...
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| Weighted Averages | 9/28/2009 |
Q: I need some clarification regarding the following calculation: (A) 5% X $1000 = $50 (B) 2% X $2000 ...
A: I'm not sure I understand the question. Could you be more specific about what you mean by: "This is ...
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| Hey | 9/25/2009 |
Q: I'm in deep sh!t right now. I'm in honors 8th grade math. Lets say i bombed 2 quizzes and my ...
A: Alex, do you need help with a specific problem or help with the course in general? If you are stuck ...
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| algebra | 9/23/2009 |
Q: I'm having a test this friday and we need to know how to write down various representations of a ...
A: I copy-pasted your pattern into a text editor and it looks like this (not: actually it doesn't look ...
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| consecutive number | 9/11/2009 |
Q: David, I am a cobol programmer and have a unique problem. I want to be able to determine if a ...
A: OK, you say you have a 9 digit number so I am going to assume that this is always the case. I'm also ...
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| Mr.David Montiel, | 9/10/2009 |
Q: can you please verify why any variable or number having power zero equals to one?
A: There are many ways to show this, but I like the following one. I'm assuming you are familiar with ...
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| math | 9/6/2009 |
Q: sin(2A)=2sinA cosA =(2sinA cos^2A)/cosA =2tanA/sec^2A =2tanA/1+tan^2A please explain it
A: To answer your question we will need a few trigonometric identities; I'll tell you which as we go ...
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| Linear Algebra | 9/2/2009 |
Q: I am trying to calculate a complex numbers problem... I need to show that ((-1+sqrt(3)i)/2)^3 is ...
A: So you have ((-1+sqrt(3)i)/2)^3 The first thing you should realize is that you can write this as ...
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| Integration the volume | 8/30/2009 |
Q: The diagram shows the curve y=(e^-.5x) (1+2x)^.5 and its maximum point M. The shaded region between ...
A: Looks like at least your formula is correct. I'm guessing you know that the limits of integration ...
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| Zeros of the function | 8/29/2009 |
Q: In this problem i have to solve it algebraically and i do not know how to approach it.Can you please ...
A: As you probably know, the zeroes are the solutions of the equation. F(x) = 0 ...(1) In ...
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| linear algebra | 8/28/2009 |
Q: Question is show that the curve of intersection of the surfaces x^2+2y^2-z^2+3x+z=1 and ...
A: Let me give you a hint: Multiply the first equation by 2. Then substract the second equation from ...
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| Factoring | 8/27/2009 |
Q: I'm having some trouble with factoring. I got stuck with this problem 20x^2-93x-34. Can you please ...
A: You can always factor an expression like the one above into the form: (cx+b)(cx+a) However it ...
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| algebra | 8/26/2009 |
Q: The question is : A local department store is having a coupon sale in which you recieve $30 off any ...
A: Before I get to your question, I should let you know that my policy is not to give full solutions ...
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| help | 8/25/2009 |
Q: how do you solve 15= -h
A: I'm not sure I understand the question. Do you want to find the value of h? If that is the case, the ...
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| math | 8/24/2009 |
Q: If x = –1 and y = 2, what is the value of the expression 2x3 – 3xy ? A. 8 B. 4 C. –1 D. –4 E. ...
A: Before I get to your question, I should let you know that my policy is not to give full solutions ...
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| algebra | 8/20/2009 |
Q: The length of a rectangle is 3cm more than twice the width. The area is 90cm^2. Find the dimensions ...
A: That equation is correct, and it can be factored. My first suggestion is that you multiply ...
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| HELP | 8/17/2009 |
Q: i have no idea how to solve this problem! please please please help me! if r does not equal + or - ...
A: What I meant is writing a polynomial as the multiplication of binomials. Let me give you some ...
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| differential equation | 8/17/2009 |
Q: An underground storage tank is being filled with liquid as shown in the diagram.Initially the tank ...
A: Did you get that expression from this equation? dt/dh = -20 + 100/(10+h) + 100/(10-h) If you did ...
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| differential equation | 8/14/2009 |
Q: An underground storage tank is being filled with liquid as shown in the diagram.Initially the tank ...
A: Before I answer I have to tell you that my policy is not to give full answers to problems, or even ...
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| HELP | 8/13/2009 |
Q: i have no idea how to solve this problem! please please please help me! if r does not equal + or - ...
A: I have the policy of not giving the full solution to problems, but I'll be glad to help you get ...
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