Tuesday

June 30, 2015

June 30, 2015

Total # Posts: 929

**Precalculus**

Perform the indicated operation and the write the result in standard form (6+ sq root -5)(6 + sq root -7)=
*October 19, 2007*

**statistics**

On an exam on probability concepts, Mary had an answer of 13/8 for one problem. Explain how she knew that this result was correct
*August 29, 2007*

**statistics**

Suppose you buy 1 ticket for $1 out of a lottery of 1,000 tickets where the price for the one winning ticket is to be $500. What is your expected value?
*August 29, 2007*

**statistics**

1. Express the indicated degree of likelihood as a probability value. "There is a 40% chance of rain." 2. Find the indicated probability A bag contain 6 red marbles, 3 blue marbles, and 7 green marbles. If a marble is randomly selected from the bag, what is the ...
*August 29, 2007*

**statistics**

1. Express the indicated degree of likelihood as a probability value. "There is a 40% chance of rain." 2. Find the indicated probability A bag contain 6 red marbles, 3 blue marbles, and 7 green marbles. If a marble is randomly selected from the bag, what is the ...
*August 28, 2007*

**Science**

What is plant food production?
*August 26, 2007*

**CHEMISTRY**

Where can I find a chart that shows the solubilities of various chemicals for the qualitative analysis lab? I'm trying to determine if the compounds are soluble in HCl, NaOH, and AgNO3, but there are many of them of which I am unsure. Therefore, I need something to check ...
*May 19, 2007*

**math**

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*

**math!!!**

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*

**literature**

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*

**algebra**

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*

**math HARD**

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*

**math**

How do you determine whether something is a function or not? If it is a rule or formula that lets you input one number to get another, then it is a function.
*March 19, 2007*

**math**

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*

**Math**

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*

**Algebra HELP!**

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**

m= (-1800)ft* (1 mi/5280 ft) / 3.25 mi = - 1800 / 5280 / 3.25 = - .1048 = - .10
*February 13, 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*

**English!**

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*

**TI-86 calculator**

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*

**English**

how can you tell is something is in an informal styles of narrative writing what website can i go to learn more english and that can help me with the homework?
*October 30, 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*

**Accounting**

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*

**math**

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*

**Chemistry**

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*

**Chemistry**

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*

**Chemistry**

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*

**java programming**

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*