Total # Posts: 1,022
How do you factor 2x^2-5x+2? (x-2)(2x-1) how do you figure that out? trinomials like that can usually be done intuitively, but you should have been taught a method that you can use for general cases. Look at the first term of 2x^2 and think where that can come from? (x...)(2x...
May 2, 2007
can you please check my work 19mm=? m ?=.19??? .017km=? cm ?=1700? 61500cm/min =? km/h ?=.615? thank youuu! .019 (missed a decimal space) 1700 is correct The last one is a little trickier. First, figure out how many km per minute you are moving: .615 km/minute Since that is ...
April 21, 2007
Does anyone know where I can find the last chapter in A Clockwork Orange? Perhaps online? Thanks! Since that book is not out of copywright, you will not find it on line. But this site has a good synopsis of the chapters. http://www.sparknotes.com/lit/clockworkorange/ If you ...
April 15, 2007
A continuously compounded account starts with $1500 in principal. The annual interest rate is 9.1%. What is the balance after 30 years? Help please. Thanks amount= 1500*e^.091*30= 1500 e^2.73 thanks
April 12, 2007
What is the general formula for the factorial notation? Hmmmm. Hard? n!= 1*2*3*4*...*n-1*n I have been missing from school and we have just learned it. So I am not very good at it. There is quite a lot on Wikipedia /wiki/Factorial Which includes the general formula and a ...
March 31, 2007
missed this in parade magazine, please answer for me man owns cows and chickens that total 30 when the son couned them his answer was 74 legs how many chicken did the farmer own x=cows y=chickens x+y=30 4x+2y =74 please finish for me Solve one equation for one variable. Take ...
March 7, 2007
The average of X numbers is 15. If the sum of the X numbers is 90, what is the value of X? A)5, B)6, C)8, D)15 or E)75 What is the correct answer and how do you set up the equation? The answer is b)6 because if there are 15 average numbers and the sum is 90 you just multiply 6...
February 25, 2007
6(7x - 5) = - 114 HELP!!!! distribute the 6 to the 7x and 5. then solve for x. Make sense? Thanks alot Marie! 6(7x-5)=-114 42x-35=-144 +35=+35 42x=-109 42x/42=-109/42 x=2 61/42
February 25, 2007
math, calc 2
Using the disk method, find the volume of a right circular cone with height h and base radius r. I know the answer is 1/3pier^2h, but how do you explain or work out the problem?
January 17, 2007
intro to algebra
how do i figure out this type of problem. 7(12t). im in college but never learned algebra in high school The seven multiplies by the innards of the parenthesis. 7*12t= 84t
January 16, 2007
What is the effectiveness of having a straightforward diction in a short story? It's probably more realistic, especially if the story is told in a 20th or 21st century setting. If you want to know what the difference would be, read a bit of Shakespeare, and then read a bit...
November 29, 2006
How do you afte entering data into the table find that equation of a line? Thank you for using the Jiskha Homework Help Forum. If the following site, which is a tutorial, does not help you,there are other sites on the Web as well if you use a Search Engine searching for "...
November 27, 2006
man alive! can someone check for me?
I am so bad when it comes to mathI I think I am slow! okay so my question is : a recrusive sequence is defined by tn= 2tn-1, where t1= 5 define the first five terms of this sequnce: so would I go like this to figure them out: 2tn-1, where t1= 5 so 2(5)(1-1)= 0 so the frist 5 ...
October 18, 2006
At Dec. 31st Prepaid Rent (an asset wccount)was 9000. On that same date Deposits (an asset account) was 900 The second one, from the viewpoint of the company manager, she would have an Account Receivable (from the company) of $3500.
September 25, 2006
any shape with 4 lines of symmetry and rotational order 2. A rectangle would fit that description. See http://www.icteachers.co.uk/children/sats/rotational.htm#Maths I hope this helps. Thanks for asking. i need some help on my maths and i am inbarresed to ask my teacher
September 17, 2006
Is the following a physical or chemical separations: salt water --> water+ sodium chloride Do you change the composition of the water? Do you change the composition of the salt. I can't say which because you don't tell me how you separated them. For example, if I ...
September 9, 2006
I looked and could not find anything on iron smelting? Could you explain to me why it is a chemical process? Iron ore is a chemical compound, it has to be decomposed into iron + other. Surely you jest!!! I went to www.google.com and typed in Iron smelting and got over 1 ...
September 9, 2006
Why is iron smelting a physical process? I didn't know it was. Go to www.google.com and type in iron smelting. Read one or more of the articles. You don't need to read but a few lines to learn what you need to know.
September 9, 2006
You need to provide more than a yes or no answer for this question. Consider both the selection sort and the bubble sort. If these algorithms will work with duplicates explain why they will still work. If they will not work, explain why they will not work. If one will work and...
July 29, 2006