Sunday

December 21, 2014

December 21, 2014

Total # Posts: 1,120

**Calculus**

find second derivative of f(t)=inverse cos(4t)
*April 7, 2010*

**computer science**

in one the chapter 3 programming challenges you were asked to write a program that converts a celsius temperature to fahrenheit. Modify that program so it uses a loop to display a table of celsius from 0 to 20 and their Fahrenheit equivalents.
*April 5, 2010*

**Electrical Engineering**

At what frequency is a 0.0001 uF capacitor operating if its reactance is 45 k ohm?
*April 4, 2010*

**Electrical Engineering**

what is one time constant of a 47 micro farad capacitor in series with a 120 kilo ohm resistor?
*April 3, 2010*

**Chemistry**

1)How many mL of H2O2 are in 969 mL in solution ? * Given: 5.0% of H2O2 by volume. 2)What is the mole fraction of the solute in a 1.35m solution of CaCl2?
*April 3, 2010*

**geometry**

Your math classroom has 4 computers in it. There are 18 students in the class. What is the ratio of computers to students? whats the equation ?
*March 22, 2010*

**8th grade**

To the nearest tenth, what is the volume of a cone with a diameter of 2.4 inches and height of 10 inches?
*March 21, 2010*

**Social Studies**

What was Josef Stalin's scapegoat? Im assuming it is the Bolshevik's and he took care of them through mass purging.
*March 21, 2010*

**Social Studies**

Thank you.
*March 21, 2010*

**Social Studies**

Well Im assuming the answer is that in order to become a dictator period, they need something, the scapegoat, in order to give a reason for all of the ills of the said country, for example, Adolf Hitlers blaming of the Jews and other minorities for all of the problems of Nazi ...
*March 21, 2010*

**Social Studies**

Why do you think dictators need to find scapegoats for their nation's ills? Explain.
*March 21, 2010*

**computer science**

i dnt have anything. im totally lost
*March 10, 2010*

**computer science**

write a program that calculates a customer's monthly bill. it should input customer name, which package the customer has purchased, and how many hours were used. it should then create a bill that includes the input informtion and the total amount due. the bill should be ...
*March 10, 2010*

**education**

A major goal of a child's transition to a new program is to: a.meet new people b.learn new skills c.meet new teachers d.transfer skills
*March 8, 2010*

**math**

two look out situations, which are 25 miles apart along the coast on a north-south shoreline, spot an approaching yacht. One lookout station measures the direction to the yacht at N33 degrees E, and the other station measures the direction of the yacht at S62 degrees E. How ...
*March 7, 2010*

**math**

Could you use doubling to multiply 7x 3? explain
*March 2, 2010*

**home economics**

nice
*February 25, 2010*

**CHEMISTRY**

How many moles of methanoic acid you have in a 25g sample of ethanoic acid
*February 23, 2010*

**french**

Je Suis Allee A Le Centre Commercial
*February 20, 2010*

**science**

sorry if you can't see the other words. they are Hammer faucet axle hinge
*February 11, 2010*

**science**

What do the words in the left column have in common that is not shared by any words in the right column? Ramp Hammer Faucet screw axle chisel hinge doorstop
*February 11, 2010*

**English**

Well i read most of the stuff online, and it seems as he a hero is b/c he took over the boat but also isn't b/c apparently he was short tempered and crazy. I can go both ways but i don't have enough resources to back my paper up.
*February 10, 2010*

**English**

Is fletcher christian an enlightenment hero? i need to write a paper about this and I have a clue what to write. Please Help!!
*February 10, 2010*

**Chemistry**

No that's correct. Im having trouble finding the # atoms/unit cell.
*February 8, 2010*

**chemistry**

Describe how to prepare a 1M solution of sodium hydroxide from concentrated sodium hydroxide (17.6 M)
*February 8, 2010*

**alegebra**

when do sky divers use decimals ?
*February 3, 2010*

**Philosophy **

What are we required to do and why are we required to do it? Define how the following theories attempt to provide an answer to the question above Natural Law, Virtue Ethics, and Contract Theory
*January 26, 2010*

**CHEM**

rank the fallowing elements by increasing atomic radius: carbon, aluminum, oxygen, potassium. please help!
*January 24, 2010*

**CHEM**

can u rank the fallowing elements by increasing electronegativity: sulur, oxygen, neon, and aluminum. please help!
*January 24, 2010*

**algebra**

wow... this is in algebra? how come i nvr got i problem like this? and i was just in it last year!.....sorry, i dnt know...i dnt knw why i posted this as an answer tho XP....
*January 20, 2010*

**challenges in the Classroom**

Respond to the following in 200 to 250 words. In your opinion, what are the most challenging obstacles teachers face when managing the classroom? What strengths do you possess that will help you meet and overcome those challenges?
*January 20, 2010*

**Physics **

A precious-stone dealer wishes to find the specific heat capacity of a 0.036-kg gemstone. The specimen is heated to 95.0°C and then placed in a 0.17-kg copper vessel that contains 0.086 kg of water at equilibrium at 25.0°C. The loss of heat to the external environment ...
*January 18, 2010*

**stratagies for success**

how can i describe an organization that may contribute to my professional knowledge?
*January 11, 2010*

**Biology**

Hi! If I have two plants with the genotypes Rrtt and rrTt where red color(R) is dominant over white(r) and being tall(T) is dominant over being short(t).If I complete a Punnet square, will it look loke this: R r r r t Rt rt T rT rT t rt rt t rt rt How can I diagram a cross ...
*January 8, 2010*

**Calc II**

dont forget that when you square a - number it becomes positive
*December 13, 2009*

**Accounting**

How would the exchange of stock for land be handled on a cash flow statement?
*December 6, 2009*

**math**

A neumber sentence has an equal sign, and is a sentence as long as it holds true ex true:3+7=10 False: 13+1=15 an expession does not have an equal sign ex: 3+4/5*3
*December 1, 2009*

**8th grade Algebra I (junior level math)**

Hello, I am currently in Unit 4-1 (Ratio, and Proportions) and I don't understand how pairs of ratios could form proportions. Could someone give me step by step instructions? Thank You
*December 1, 2009*

**English**

I'm writing an essay on March by Geraldine Brooks. My thesis statement is: Through the use of diction and syntax, Geraldine Brooks creates two women (Marmee and Grace) who initially represent two extremes of the same person. They are virtually more alike than different. I ...
*November 29, 2009*

**science**

How to present a grassland biome?
*November 29, 2009*

**BUAL**

.9664
*November 24, 2009*

**10th grade [URGENT]**

Create a journal of your fat intake over a two-day period. Prepare a brief analysis of your fat intake. In your analysis, answer the following questions: How many total grams of fat did I consume? How much saturated, unsaturated and trans-fats did I consume? Was my fat intake...
*November 20, 2009*

**math **

when making a circle graph how do you determine the number of degrees for 28%?
*November 19, 2009*

**Psycology**

Describe how hormones masculinize or feminize sexual development and behavior.
*November 19, 2009*

**algerbra(college)**

solve the system of equations by graphing -3x - 2y=24 3x-y=-6
*November 19, 2009*

**media and cultural studies**

‘Sports in the United States are male-dominated and exploit young athletes’ bodies, leaving most of them uneducated, injured, and impoverished.’ Discuss.
*November 13, 2009*

**algabra**

x = 187.5 Do it backwards.... 125 x 3 375 375/2 187.5
*November 8, 2009*

**math**

Put the PSP Down and do your homework.
*November 8, 2009*

**math**

34 per month minus 10 per month is 24. 24 divided by 2 (it was doubled on his 10th Bday) is 12 per month. Just do it backwards. answer is 12 per month.
*November 8, 2009*

**economic**

I HAVE AN ASSIGNMENT WHERE I HAVE TO PLOT POINTS ON A GRAPH IN EXCEL, THE INFORMATION GIVEN IS QS=2P-20 AND QD=80-2P AND I WAS TOLD TO USE PRICES 10,20,30,40,50 AND QUANTITIES 5,10,15,20,25,30,35,40 FOR THE GRAPH. I HAVE NO CLUE WHAT TO DO FOR THE CHART IN EXCEL
*November 7, 2009*

**Grammar and Composition**

i'm working on the exact same essay. i need help too.
*November 3, 2009*

**3rd grade**

Dean works with baby animals at a Zoo. This week he measured a giraffe, an ape and a tiger. The tiger had grown 4 inches less than the giraffe. The giraffe had grown twice as much as the ape. The baby ape had grown 6 inches since it was measured the last time. How many inches ...
*October 24, 2009*

**business law**

Identify and discuss the legal, ethical, and technological concerns of the accounting and financial reporting of businesses.
*October 20, 2009*

**chemistry**

write out the electron configurations for each of the metallic ions: 1. Ba^2+ 2. Cu^2+ 3. Li^+ 4. K^+ 5. Sr^2+ 6. Ca^2+ 7. Na^+
*October 18, 2009*

**world history**

how was propoganda used in world war 1
*October 7, 2009*

**world history**

What were the attitudes of france bitain usa toward germnay in the peace conferance? what were the main pooints aginst germnay in the treaty versailles?
*October 7, 2009*

**math**

Help me I am lost? I do not even know where to start: The shorter leg of a 30°–60°–90° triangle is 12. What are the lengths of the longer leg and the hypotenuse, to the nearest tenth?
*October 7, 2009*

**Math**

AB "union" AC, is a line, what is true about A,B and C
*October 7, 2009*

**statistics**

A blood donor center conducted a study over a one year period and found that an average of 55 donors per day checked in to the center. What is the probability that on any given day more than 75v donors will check in?
*October 4, 2009*

**statistics**

In a bank call center, it is determined over a one year period that 30% of the outgoing calls are answered by a live person as opposed to being unanswered or picked up on voice mail. The center makes over 200,000 outgoing calls per year. there is an operator at the center who ...
*October 4, 2009*

**mba**

The payments are $95 in year 1, 2 and 3 and $150 in year 3.5. The purchase price is $500. 500 = 95/(1+rate) + 95/(1+rate)^2 + 95/(1+rate)^3 + 150/(1+rate)^3.5 Solving for rate, the rate comes to -4.98%.
*September 27, 2009*

**math/chem**

yes
*September 12, 2009*

**math/chem**

1) 35.72 x 0.00590 2) 0.4832/5.12 3) (6.09 x 10^-1)(9.08 x 10^5) 4) (7.79 x 10^4)(4.56 x 10^3)/ (2.93 x10^3)(3.2 x 10^2) 5) 2.3 x 10^2 + 7.16 x 10^5
*September 12, 2009*

**chem**

whats the smallest size container that will hold 500 g of water? 500 g of alcohol?
*September 10, 2009*

**science**

it pretty much means if the earthquake is strong enough....or just by being near it can cause a volcano go off
*September 10, 2009*

**science**

yes, an earthquake can cause a volcano to errupt if the force is immense
*September 10, 2009*

**social studies**

The most useful indicator of the degree of democracy reached by a particular society is whether it has a
*September 2, 2009*

**Chemistry**

and how do you get moles of toluene? please
*August 2, 2009*

**Chemistry**

how do you get the volume of the solution
*August 2, 2009*

**Chemistry**

A solution is made by mixing 35.0 mL of toluene C6H5CH3d=0867gmL with 125.0 mL of benzene C6H6d=0874gmL. Assuming that the volumes add upon mixing, the molarity (M) and molality (m) of the toluene are
*August 2, 2009*

**Math**

Stephanie can clean a pool in 1 hour , and Mark can clean the same pool in 1.5 hours. If the rate at which they work together is the sum of their rates working separately, how many minutes should they need to clean the pool if they work together? (1 hr=60 min)
*July 13, 2009*

**Math**

If y is a number less than 0 but greater than -1, which of the following expressions has the greatest value? a 100y b y^2 c y^3 d y^4 e y^5
*July 8, 2009*

**MATH**

if 64^3=4^x what is the value of x ?
*July 8, 2009*

**MATH**

if 64^3=4^x what is the value of x ?
*July 8, 2009*

**Math**

if 12v=3w and v is not equal 0 then which of the following is equivalent to 2w-8v ? a 0 b 4w c -6w d 2v d -2v
*July 7, 2009*

**math**

Jerry grew 5 inches in 2003, and 2 inches more in 2004 before reaching his final height of 5 feet 10 inches . what percentage of his final height did his 2003-2004 growth represent?
*July 6, 2009*

**Math**

A mixture of water and sucrose is 10% sucrose by weight. How many grams of pure sucrose must be added to a 200-gram sample of this mixture to produce a mixture that is 20% sucrose?
*July 6, 2009*

**Math**

Each female of a certain species of fish lays 100 eggs each fall and then dies. If only 30% of these eggs mature to become egg-producing females the next year , then how many egg-producing females will descend from a single egg-producing female 2 years after she first lays eggs ?
*July 6, 2009*

**Math**

The population of Bumpton increased by 10% from 1980 to 1990 and decreased by 10% from 1990 to 2000 what is the net percent change in the population on Bumpton from 1980 to 2000 ?
*July 6, 2009*

**Chemistry**

What is the specific heat of Gold if 15.3 J of heat changes 12 grams by 8 degrees Celsius? I got 7.834, would this be correct do you think? Thanks Jiskha.
*June 9, 2009*

**Econ.**

what does c decreased by 6
*May 18, 2009*

**English**

I completed this quiz with 100% 1.D 2.B 3.B 4.D 5.B 6.B 7.A 8.A 9.A 10.D
*May 7, 2009*

**English**

THE ANSWER IS D!!!!
*May 7, 2009*

**speech**

Can you please help me out with a speech? I'm in 10th grade at High School and we're doing speeches soon. I'm not lazy and trying to get someone to write a speech for me but I seriously suck at speeches and have no idea what to write or talk about. Can you please ...
*May 3, 2009*

**English Comp II**

Running head: DIFFERENCES AND SIMILARITIES Differences and Similarities in the Film and Play A Raisin in the Sun Jay Dias Tulsa Community College Differences and Similarities Differences and Similarities in the Film and Play A Raisin in the Sun A Raisin in the Sun by Lorraine ...
*April 17, 2009*

**WORD PROBLEM**

NOAH BUILT A BIRDHOUSE. THE FRONT OF THE BIRDHOUSE IS 4 INCHES WIDE AND 7 INCHES HIGH. HE CUT A ROUND DOOR OUT OF THE FRONT. THE AREA OF THE DOOR IS 5.7 SQUARE INCHES WHAT IS THE AREA OF THE REST OF THE BIRDHOUSE?
*April 17, 2009*

**math**

is x+4=y squared....a function?
*April 14, 2009*

**math**

thanks drwls...and wow thanks for nothing reiny ..you sound like a know it all so sorry i didnt know what to do never mind im not..no need to be a jerk bout it....
*April 8, 2009*

**math**

write an equation for the line in point slope form...when it passes through (9,1) and the x intercept is 5 and then slope intercept form...im so confused
*April 8, 2009*

**math**

write an equation for the line in point slope form...when it passes through (9,1) and the x intercept is 5 and then slope intercept form...im so confused
*April 8, 2009*

**math**

How do i find the average rate of change of the function f(x)=5x from x1=0 to x2=3 .....im so confused
*April 8, 2009*

**math**

sorry your right i wrote something wrong down :)
*April 8, 2009*

**math**

wouldnt it be -1/2x + 11/2 because negative 1/2 times a negative 5 would be 11/2...i think
*April 8, 2009*

**math**

thanks :)
*April 8, 2009*

**math**

how do i write an equation in point slope form when the slope= -1/2 and it passes through (5,-8) and then how do i write an equation for the line in slope-intercept form? thanks
*April 8, 2009*

**Math**

Does x+y=35 define y as a function of x? ....basically is it a function or no
*April 8, 2009*

**1st grade math**

... since when has this become 1st grade maths? we never started this until high school, as simple as it is
*March 24, 2009*

**Math**

find the rate. 260 lbs of fertilizer divided by 5 lawns
*March 6, 2009*

**statistics**

n New York State, savings banks are permitted to sell a form of life insurance (SBLI). The approval process consists of underwriting, which includes a review of the application, a medical information bureau check, possible requests for additional medical information and ...
*February 9, 2009*

**Math-Statistice**

In New York State, savings banks are permitted to sell a form of life insurance (SBLI). The approval process consists of underwriting, which includes a review of the application, a medical information bureau check, possible requests for additional medical information and ...
*February 9, 2009*

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