Tuesday

May 24, 2016
Total # Posts: 943

**Algebra**

x+y=-8 3x-y=-4
*May 16, 2008*

**Chemistry**

I have to write a paper and bring in examples of each type of mixture for a class feast(so it needs to be edible). I want to know if i'm correct on the two that i have and i need an example of another and why it is it. I have Kool-Aid for a solution, jello for a colloid, ...
*April 13, 2008*

**Math**

12 is 40% of what number?
*March 17, 2008*

**algebra 2**

Suppose that you have received an unexpected inheritance of $36,000. You have decided to invest the money by placing some of the money in stocks and some in bonds. To diversify, you decided that five times the amount in bonds should equal three times the amount invested in ...
*March 12, 2008*

**chemistry**

how is a chemical mixture distinguished from a chemical compound?
*March 3, 2008*

**english**

what is a suffix
*March 3, 2008*

**more chem**

What is the pH that would result from the addition of 0.002 moles of HCl to 100 mL of a 0.1 M boric acid/borate, pH= 9.2 buffer solution?
*February 7, 2008*

**chem**

What should you mix with trisodium citrate to prepare a buffer solution, a strong acid or a strong base?
*February 7, 2008*

**English**

Thnks, I'll try them out
*January 22, 2008*

**English**

I need help quick, I need to write a speech with anecdotes and it needs to make the audience laugh. the title is How Not To Write A Speech or 30 Reasons Not To Do A Speech So what could I use for this?
*January 22, 2008*

**Calculus**

Given two problems: Problem A: Tau = Integral(0 to v) v/(q^2 - v^2) dv q = constant Problem B: Tau = Integral(V TO 0) v/(q^2 - v^2) dv q = constant Why is it that, SUBSTITUTION RULE is used in problem A, and QUOTIENT RULE is used in problem B? The two problems are somewhat ...
*December 19, 2007*

**algebra**

On Monday, Voltaire drove to town at 60 miles per hour. On Tuesday, he drove to town at 40 miles per hour. If the totaling traveling time for both trips was 15 hours, how far was it to town? I know distance=(rate)(time).so I set it up like this...x=distance X/(60)(15) + x/(40...
*December 11, 2007*

**algebra**

Charles opened the old trunk and found $6750 in $1 bills and $10 bills. If there were 150 more ones than tens, how many of each kind were there?
*December 9, 2007*

**Math**

I still do not understand how to solve the following problem. Please show step-by-step. x = Integral (0 to v) dv/(q^2-v^2) where q = constant the answer is --> x = 1/2q ln (q+v/q-v) 1) Where 1/2q came from? 2) Where ln came from? Is there a formula for it? Please help!!!!!!!
*December 8, 2007*

**Algebra**

Yea I think I get it now..thanks!..I'm working on a similar problem ..definetly will post to check if its correct
*December 7, 2007*

**Algebra**

Billye ran to town at 8 kilometers per hour and then walked back home at 3 kilometers per hour. How far was it to town if the round trip took 11 hours?
*December 7, 2007*

**Math**

step 1: x = integral(from 0 to v) dv/(z^2-v^2) step 2: x = 1/2z ln((q+v)/(q-v)) How do you get from step 1 to step 2 ?
*December 6, 2007*

**LANGUAGE**

ARE THE GUIDE WORDS THE WORDS AT THE TOP OF THE PAGE?
*October 24, 2007*

**LANGUAGE**

WHAT ARE ENTRY WORDS WHEN USING THE ENCYCLOPEDIA?
*October 24, 2007*

**Andrew**

What is a plastid
*September 26, 2007*

**Biology**

Are lysosome the digestive center of a animal or plant
*September 26, 2007*

**science**

Instrument used to find mass _ _ _ _ _ _ - _ _ _ _ balance I am confused!
*September 11, 2007*

**science**

what is the formula for calculating volume?
*September 11, 2007*

**science**

1 milliliter = 100,000?
*September 11, 2007*

**Science**

What is the name of the "curve" in measuring liquids?
*September 11, 2007*

**Science**

What is the term for the measure of the force of gravity on an object? Thanks for the help so far!
*September 11, 2007*

**Science**

What is the term for the measure of the force of gravity on an object? Thanks for the help so far!
*September 11, 2007*

**Metric System**

What is the metric unit for weight?
*September 11, 2007*

**Science**

Instrument used to find mass _ _ _ _ _ _ - _ _ _ _ _ _ _ _ _ _ _ ?
*September 11, 2007*

**Math/Calculus**

-200Acos(10t)-200Bsin(10t)-240Asin(10t)+240Bcos(10t)+200Acos(10t)+200Bsin(10t)=12sin(10t) do that step again, you did your math wrong. You should get A=-1/20 and B=0
*July 12, 2007*

**Science**

Granite is an intrusive, felsic rock, which may be produced by partial melting or fractional crystallization. Explain how these processes can produce felsix magmas from more mafic parent magmas. Since this is not my area of expertise, I searched Google under the key words &...
*March 19, 2007*

**Chemistry**

....CH3.................O........................... ...__/......................||.......................... ..// \\______N___C___CH___NH2. ..\==/.............|..................||…............. ........\...........H…….......CH3……….... ......CH3...
*March 12, 2007*

**Chem**

Sodium cyanide NaCN is a solid which melts at 564C to give a liquid that conducts electricity, It also dissolves in water to give a conduction solution. Deduce the type of bonding that holds the compound together and why? Write a balanced chemical equation for the reaction ...
*March 12, 2007*

**Chem**

Draw a Structural Formulae for Hydrogen Cyanide (HCN) and Cyanogen (C2N2 or CN2) Hydrogen = 1 Valency Nitrogen = 3 Valencies Carbon = 4 Valencies H-C(triple bond)N N(triple bond)C-C(triple bond)N Thank you And for a Lewis Structure they would be H:C:::N: and :N:::C:C:::N: very...
*March 12, 2007*

**Science**

A 0.21g sample of sulfuric acid is dissolved completely in sufficient water to make 0.25 litre of final solution. Calculate the hydrogen ion concentration in mol1-1 in this solution and show successive steps in the calculation: If 0.21g in 0.25l then 0.84g in 1l.You multiplied...
*March 12, 2007*

**deposition**

What is deposition? Effects of deposition? whats made by deposition? Thank you for using the Jiskha Homework Help Forum. Anytime you don't understand a word, be sure to look it up in a good dictionary. For example, here is what the online dictionary says: Main Entry: de&...
*February 25, 2007*

**Law(case analysis)**

1. Identify all potential lawsuits (eg. parties and theories) which could occur. Case: David is a former employee of 123 Bytes. He enters the property of 123 Bytes, claiming that the company owes him $1,000 in back wages. An argument ensues, and the 123 Bytes manager, Bill, ...
*January 29, 2007*

**Algebra 1**

how do you find slope intercept form? The general equation is y=mx+b
*November 30, 2006*

**math 4th grade question**

Rodney is 9. His sister is 3.
*November 5, 2006*

**math**

two more ones than they have tens ?
*October 25, 2006*

**math problem**

Your answer works, but it does not encompass all possible answers. The solution is far from unique.
*September 30, 2006*

**science - 6th grade**

do i halt to pay for this
*September 25, 2006*

**unscrambling word**

Spanish homework-how to unscramble words in spanish!
*June 14, 2005*