Sunday

January 25, 2015

January 25, 2015

Total # Posts: 97

**Chemistry**

Bromine has two naturally occurring isotopes, the first of which is 79Br with a mass of 78.904 amu and an abundance of 50.54%. Calculate the mass of the other isotope.
*November 30, 2014*

**math**

An airport passes over an airport and continues flying on a heading of N 70¡ãW for 3 km. The airplane then turns left and flies another 2 km until the airport is exactly due east of its position. What is the distance between the airplane and the airport, to the ...
*November 3, 2014*

**Chemistry**

My prelab is telling me to find the initial concentrations of I(^-) and S208(^2-) given the following reaction: 25 mL of 0.2 M KI + 48.00 mL 0.2 M KNO3 + 1 mL 0.4 M Na2S2O3 + 1 mL starch + 25 mL 0.2 M (NH4)2S2O8 + 1 drop EDTA How do I calculate the concentration of I^-1 when I...
*October 4, 2014*

**Chemistry**

My prelab is telling me to find the initial concentrations of I(^-) and S208(^2-) given the following reaction: 25 mL of 0.2 M KI + 48.00 mL 0.2 M KNO3 + 1 mL 0.4 M Na2S2O3 + 1 mL starch + 25 mL 0.2 M (NH4)2S2O8 + 1 drop EDTA How do I calculate the concentration of I^-1 when I...
*October 4, 2014*

**Chemistry**

My prelab is telling me to find the initial concentrations of I(^-) and S208(^2-) given the following reaction: 25 mL of 0.2 M KI + 48.00 mL 0.2 M KNO3 + 1 mL 0.4 M Na2S2O3 + 1 mL starch + 25 mL 0.2 M (NH4)2S2O8 + 1 drop EDTA How do I calculate the concentration of I^-1 when I...
*October 4, 2014*

**Trigonometry**

find the perimeter of an isosceles triangle whose base is 20cm and the vertex angle is 120 degrees.
*August 9, 2014*

**MATH**

thanks
*April 1, 2014*

**MATH**

what is a 3 sided polygon with 1 right angle?
*April 1, 2014*

**Math**

I am a multiple of 10. My factors include an even # & an odd #. I am greater than 3 x 5 and less than 4 x 7. What number and I?
*December 18, 2013*

**math 115**

Let x be a continuous random variable that follows a normal distribution with a mean of 200 and a standard deviation 25. Find the value of x so that the area under the normal curve between ì and x is approximately 0.4798 and the value of x is greater than ì.
*November 19, 2013*

**math**

thanks!
*September 29, 2013*

**math**

cellular phone companies. 1. with this plan each person is charged $19.95 per month and $0.31 per minute 2. with this plan each person is charged $40.95 per month and $0.16 per min 3. with this plan each person is charged $80.95 per month with unlimited minutes....define the ...
*September 29, 2013*

**chemistry 101**

I have a question that I am not sure how to even start. A 15.0 g sample of a liquied has a density of 0.875 g/ml a what is the voulme in milliters of the liquid? use conversion factors to calculate answer b. What mass, in grams of the liquid is in 34.6ml of the liquid? I am ...
*September 5, 2013*

**Finance**

a firm wants to create a weighted average cost of capital (WACC) of 10.4 percent. The firm's cost of equity is 14.5 percent and its pre-tax cost of debt is 8.5 percent. The tax rate is 34 percent. What does the debt weight need to be for the firm to achieve its target WACC?
*June 14, 2013*

**Legal aspect of business**

ABC is a multinational enterprise (MNE) incorporated in State X. ABC entered into a joint venture agreement with XYZ, an MNE incorporated in State Y, to jointly produce a new line of hydraulic equipment in ABC's new factory in State Z, a developing nation. ABC & XYZ have ...
*May 23, 2013*

**Math**

How high is a pole if it casts a shadow 6 meters long when the sun is 30 degrees above the horizon?
*May 7, 2013*

**Math**

Solve for y (3/4)(8x+4x)+5y+4=(2/3)(12X+9)
*April 7, 2013*

**algebra**

creat a graph for the function that models the percentage of adulat height attained by a boy who is years old. then creat a graph for the function that models the percentage of adulat height attained by a girl who is years old.
*March 10, 2013*

**Science**

How can I compare the terms rotation and revolution by creating a Venn diagram? How does the diagram look like?
*December 4, 2012*

**managerial economics**

Total cost function of a firm is TC= 200+4Q+2Q squared If the firm is perfectly competitive and the price of its product is $24, what is its optimal output rate?
*November 13, 2012*

**geometry**

What is a transformation that creates a mirror image?
*November 6, 2012*

**geometry**

Need help on perpendicular bisectors!:(
*November 6, 2012*

**geometry**

Each side of a equilateral triangle measures 12 cm. Find the height, h of the triangle.
*October 15, 2012*

**geometry**

Yuki just bought a big screen TV set. The screen has a diagonal measure of 40 in. If the screen is 32 in. wide, how high is it?
*October 15, 2012*

**Physics**

A 0.5kg ball is thrown over a net and gains 36J of energy. What is the velocity of the ball as it passes over the net?
*September 9, 2012*

**algebra**

$5650 is compound semiannually at a rate of 16% for 14 years how much is the total amount in the compound interest account?
*July 24, 2012*

**chemistry**

What quantity of heat would be evolved if 1.00g of sodium vapor condensed at its normal boiling point?
*April 15, 2012*

**chemistry**

What is the molarity of 100 ml of ethanol dissolved in 1.5 liters of water? Ethanol has a specific gravity of 0.789, and its molecular weight is 46 g/mol.
*March 16, 2012*

**english**

can anyone please let me know my grammatical mistakes in this paragraph:- Presently, I am pursuing diploma in medical administrative assistant from Penn Foster. Since last month I have been looking for job in administration department in a hospital, so I applied for medical ...
*November 9, 2011*

**writing sentences and paragraph**

thank you so much, i have prepared other paragraph please let me know my mistakes and also i want to know does my idea match the requirement of assignment or no? thanks again for your prompt replies. This is what i have prepared:- Presently, I am pursuing diploma in medical ...
*November 8, 2011*

**writing sentences and paragraph**

Presently, I am pursuing diploma in medical administrative assistant from Penn Foster. Since last month I have been looking for job in administration department in a hospital, so I applied for medical administrative assistant position available at your Kaiser location in Tracy...
*November 8, 2011*

**writing sentences and paragraph**

thank you so much, i have prepared other paragraph please let me know my mistakes and also i want to know does my idea match the requirement of assignment or no? thanks again for your prompt replies. This is what i have prepared:- Presently, I am pursuing diploma in medical ...
*November 8, 2011*

**writing sentences and paragraph**

revised paragraph:- I am applying for the Medical Assistant position now available in your Ten Broeck Hospital at Newark, CA. I have 2 years of experience working as a medical assistant volunteer, where, I enjoyed the versatility of medical assisting. I like working directly ...
*November 8, 2011*

**writing sentences and paragraph**

ok thanks again i will do that
*November 8, 2011*

**writing sentences and paragraph**

thnaks for the reply can you please help me to write a correct paragraph
*November 8, 2011*

**writing sentences and paragraph**

i need help on my assignment , please correct where i am wrong . Assignment You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to evaluate your...
*November 8, 2011*

**math**

what are triangular number's
*November 2, 2011*

**math's**

how do you add together all the number's up to 100, Quickly though.
*November 1, 2011*

**math**

First of all you work out the sum's in the brackets, then you do the question normaly.
*November 1, 2011*

**math's**

how do you check a Pascal's triangle with a calculator.
*November 1, 2011*

**world geography**

Can you give me a link with an excellent map to find the answer to these questions? What oceans border Australia? And What continent is south of the four major oceans of the world? Thank You!!
*October 3, 2011*

**algebra II**

find the 7th term of (x^3/2 y+b^2)^14
*July 31, 2011*

**algebra II**

expand (2-i)^12
*July 31, 2011*

**math**

expand (1/a+√a)^5
*July 31, 2011*

**Math**

In how many different ways can you arrange three 4 X 8 tiles to form a rectangle?
*May 27, 2011*

**Maths**

Are zeros which are after the decimal point significant?
*April 19, 2011*

**english**

By language I mean, if he uses similies and how descriptive it is, stuff like that.
*March 31, 2011*

**math helper plese**

I still dont' get how it the base is half the size?
*January 17, 2011*

**GCSE history -history teacher if poss**

please could someone help me answer this question:- explain why relations between the usa and the Soviet Union grew worse in the years 1943-1956 was it because of what happened at the Yalta and Potsdam conference and the berlin blockade.?
*October 28, 2010*

**math**

hi i need to solve this question but i don't know how to do it when there is dividing included x(x-8):5=92 i did this much and then i found out that what i was doing was wrong x(x-8):5*5=92*5 2x-8=460 2x=468 x=234 but it seems wrong
*October 27, 2010*

**Math PIZZAZZ**

But.. but this doesn't make sense!!
*October 25, 2010*

**math**

how do you write an equation of the line containing point (4,-3) and perpendicular to the line y=3x-5? show steps please
*October 21, 2010*

**conputer literacy**

How is searching in a specific database, such as Ashford’s library, different than searching in
*October 8, 2010*

**stats**

IHI insurance is interested in determining whether younger drivers (below the age of 25) are more prone to motor accidents than older drivers (25 or older). A random sample of 68 IHI policyholders below the age of 25 were selected and whether they had been in less than 2 (or 2...
*October 7, 2010*

**Math**

The weights of individual nails produced by the 'Hammer 'n Nail' hardware company follow a normal distribution with the average nail weight being 5.1 grams and the standard deviation in nail weight being 1.6 grams. When a nail is produced it is discarded if it ...
*September 28, 2010*

**conpute **

which of kurzweil predictions do you agree with
*September 22, 2010*

**chemistry**

WHAT TYPE OF CHEMICAL REACTION IS FORMED FROM Mg + O2----MgO
*September 14, 2010*

**psy**

Based on the information covered in chapter 5, contrast two theories or perspectives from late stage adult development,
*September 10, 2010*

**british literature**

i'm take british lit in the american academy too... this is what i think the answers are 1 simile (use of the word as/like) 2 repetition(repeats the word I) 3 also a simile (compares Gwedolyn to a trivet and use of the word "as") hope this helps, good luck
*September 9, 2010*

**Math**

The next number in the series 3, 4, 6, 7, 9, 10 is
*June 26, 2010*

**Math**

A farmer is planting a straight row of crops with 3 feet between each plant. If 23 are planted, what is the distance between the first and last plant?
*June 26, 2010*

**Math**

Mary buys 8 widgets for $40.00. She adds $1.00 in enhancements to each widget and sells them for $9.00 each. What is Mary's estimated gross profit margin?
*June 26, 2010*

**math 11th grade**

If a man runs for an hour and a half at 8 miles an hour due south; and then he continues south on a bus traveling at 55 miles an hour, for 24 minutes. How far did he travel?
*June 26, 2010*

**Math**

I have been working all day to figure the problem out I just don't know any advice?
*June 26, 2010*

**Math**

George saves 18% of his total gross weekly earnings from his 2 part-time jobs. He earns $6.25 per hour from one part-time job and $7.50 per hour from the other part-time job. George works a total of 40 hours between the two jobs each week. What additional information is needed...
*June 26, 2010*

**calculus**

Solve the equation (the square root of x+2)+ (the square root of x-2)=(the square root of 4x-2)
*May 14, 2010*

**Biostatistics**

Age(10-14)(15-19)(20-29)(30-39) (40-44) Mid 12.5 17.5 25 35 42.5 P(X=x) .003 .100 .500 .300 .097 If we select a birth at random, what is the probability the mother is 19 years or younger?
*March 28, 2010*

**Math- CAN SOMEONE PLEASE CHECK MY WORK?**

You are correct. The answer is -6. 7(28-6y)+5y=-26 196-42y+5y=-26 37y=-222 37y/37=-222/37 y=-6
*March 28, 2010*

**how children learn**

Which of the following techniques will help to meet the student’s need for autonomy? A. Give them clear directions B. Show them a model of exactly what they’re to do. C. Give them choices. D. Give them deadlines
*March 22, 2010*

**grade 6**

is 0.273 bigger than 0.41 ?
*January 19, 2010*

**Critical Thinking**

What causes a plant to wither in conditions when additional heat, light and a fan is introduced in the environment?
*November 28, 2009*

**Critical Thinking**

What is a stomata do to prevent water loss?
*November 28, 2009*

**re-Ms Sue ICT**

Ms Sue you are a star thankyou!
*November 23, 2009*

**RE**

can science prove God exists? thanks
*November 23, 2009*

**early years**

I need help with answering questions in unit 206 please
*June 14, 2009*

**Critical Thinking**

What kind of statement is"The ventilation fans will be taken care of in a more timely manner because we know that women love to clean".
*May 24, 2009*

**Algebra**

I understand how you solve 8+3^x=10, but I don't understand what becomes of the +8. Thanks for your help
*January 12, 2009*

**Algebra**

I need help with the following problems: ~23. 3^(x-6)=81 How do you solve this? I'm not sure what becomes of the -6. ~24. 11-6^x=3
*January 12, 2009*

**History**

Did Mayans sacrifice by using fire? Thanks for your help!!
*January 7, 2009*

**food**

this is going to sound a bit silly but are vine tomatoes italian i thought that they are am i right? im cooking at school nad need to bring in only italian ingrdients . thankyou!
*November 11, 2008*

**dt -food**

sorry to be a pain and ask again but i need to name a greece bread. thanks!
*September 30, 2008*

**dt -**

dt means design technology. im doing food technology
*September 30, 2008*

**dt -**

it is for dt food .sorry i should have put it was food technology
*September 30, 2008*

**dt**

5 types of pathogenic bacteria. thanks!
*September 30, 2008*

**ICT**

flowchart .i need help with my ict homework i need to explain what the symbols are and give a reason on how to use them. one is a rectangle shape, one is a rectangle with rounded ends and one is a diamond. thanks for help
*April 30, 2008*

**Physics**

I know C is 4059 nm
*April 23, 2008*

**Science**

How Does Heat Energy Travel?
*October 16, 2007*

**Chemistry**

What gas is produced by the reaction of magnesium and HCl as evidenced by the "poof" test? acids react with active metals to yield hydrogen gas and a salt.
*May 16, 2007*

**Business Management**

I have just came across the words product-led and market-led and have no idea what they mean, could someone please give me a detailed explanation thanks Thank you for using the Jiskha Homework Help Forum. Look at "market-led" as "what the customer wants." ...
*May 13, 2007*

**Thermodynamics**

In exercising, a weight lifter loses 0.100 kg of water through evaporation, the heat required to evaporate the water coming from the weight lifter's body. The work done in lifting weights is 1.30 x 10^5 J. (a) Assuming that the latent heat of vaporization of perspiration ...
*April 16, 2007*

**music**

what is a pentotinc piece of music in china or japan? Please check your spelling of the term pentotinc.... then repost. We have not been able to find any information on that term as it is spelled. She's talking about pentatonic music. It's made up of do, re, mi, sol, ...
*March 26, 2007*

**english**

please send me some example about that essay, "Away to decrease your chance of becoming a victime of random violence" There are no "examples" of essays here. You must write your own; then post it and someone here will be able to give you feedback. Here are ...
*November 30, 2006*

**english**

I woul like to review my essay please? Post it. Can you please help me write that essay" A way to decrease your chance of becoming a victim of random ciolence". Hmmm. You have an assignment to write an essay, a teacher offers to review your essay, and you respond ...
*November 30, 2006*

**English**

Where can I go to check about my essay when your are finished? I have not seen any essay from you for help with proofreading. If you post the entire essay in a message, someone will respond directly to that message. =) I need your help to write that essay,"A way to ...
*November 30, 2006*

**English**

May I see my essay now?
*November 29, 2006*

**English**

Can anybody help me to write an essay about"A way to decrease chance of becoming a victim of random violence". Don't walk in parking garages alone late at night. carry around pepper spray. easy as that. Martial arts can be very helpfull in some situations First, ...
*November 29, 2006*

**Geography**

Hey ya'll need a bit of help with a report i have to do on an environmental issue. Basically I need to choose an issue to research which has a two sided argument (something on bird flu or world debt, power stations etc) Really stuck, appreciate any suggestions that I could...
*August 13, 2006*

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