Sunday

July 24, 2016
Total # Posts: 1,895

**Physics**

A skier with a mass of 56 kg starts from rest and skis down an icy (frictionless) slope that has a length of 70 m at an angle of 32° with respect to the horizontal. At the bottom of the slope, the path levels out and becomes horizontal, the snow becomes less icy, and the ...
*February 16, 2012*

**PHYSICS**

DO i use uk or us for u cuz i used both n it was wrong I put 9(9.8)x9(.69)(.41)cos(30) :/
*February 16, 2012*

**Chemistry**

the equation is TiCl4 + O2 (yields) TiO2 + 2Cl2. How much titanium(IV) chloride must react with excess oxygen to prepare 175 grams of the pigment? The reaction is found to be 85% efficient? (%yield)??
*February 15, 2012*

**chemistry**

Write balanced equation for: Al + NH4CLO4 (yields) Al2O3 + AlCl3 + nitrogen monoxide gas, and steam
*February 15, 2012*

**physics**

A 42kg person on a merry-go-round is traveling in a circle with a radius of 2m at a speed of 5 m/s. It asked for the acceleration which I got a 12.5 m/s (second square) and it also asked for the net horizontal force which I got at 525 N but I couldn't figure out how to get...
*February 15, 2012*

**physics**

Thanks so much I couldn't figure it out.
*February 15, 2012*

**physics**

If you are holding a 20kg dumbbell straight out at arms length assuming your arm is .69 m long, what tourque is the dumbbell exerting on the shoulder?
*February 15, 2012*

**history**

Thank you very much. Once I get it written I will let you take a look at it.
*February 14, 2012*

**history**

I "suck" at history! I read and I just don't understand it. I am to get some information on the years from 1945 to 1974. I am suppose to find a social activist who inspired reform. Whether they had a good or bad influence on the times.
*February 14, 2012*

**egd**

what does egd stand for?
*February 6, 2012*

**math**

Write an expression from the model below and then simplify the expression. Positive Negative Which equation is modeled on the number line below? (-56)/(-8) = 3- (-4)= 7.1 (Rational Numbers) No Calculators Fill in the chart below. Base of 10 Whole Number or Fraction Decimal ...
*February 2, 2012*

**geometry**

Gail and her 3 friends all share half a pie. All the pieces in thwe pie put together make up 180 degrees. Gail and her friends finish the pie and they each eat an equal piece. They believe each piece has an angle equal to 25 degrees. are their calculations correct? Explain.
*January 30, 2012*

**geometry**

The hypotenuse of a right triangle is 8cm and one leg is 6cm. Find the length of the other leg. How did my teacher end up with 2 x square root of 7?
*January 26, 2012*

**Calculus 2**

U subtitution for Arc Tan(x)/ x^2 +1 dx
*January 26, 2012*

**English. Punctuation and Mechanics**

I don't know. That's why I posted it on here.
*January 23, 2012*

**English. Punctuation and Mechanics**

Identify the sentence with the correct punctuation. a) Do you have everything - such as extra clothes; for your trip? b) Do you have everything: such as extra clothes, for your trip? c) Do you have everything - such as extra clothes, for your trip? d) Do you have everything (...
*January 23, 2012*

**English**

B, I meant.
*January 23, 2012*

**English**

Identify the sentence that uses apostrophes correctly. a) Suzannes car needs’ a new muffler. b) Suzanne's car needs a new muffler. c) Suzanne’ car needs a new muffler. d) Suzannes’ car needs a new muffler.
*January 23, 2012*

**chemistry**

Hgl2(s)=2NaNOg(ag) a combination,decomposition,single replacement or double replacement
*January 23, 2012*

**Geometry**

A conditional statement is always logically equivalent to its a.) contrapositive b.) converse c.) conjunction d.) inverse
*January 7, 2012*

**Algebra 2**

Simplify 3 square root of 128 please help!!! <3
*January 7, 2012*

**university of phoenix**

The weight of a small Starbucks coffee is a random variable with a mean of 360 g and a standard deviation of 9 g. Use Excel to find the weight corresponding to each percentile of weight. a. 10th percentile b. 32nd percentile c. 75th percentile d. 90th percentile e. 99.9th ...
*January 4, 2012*

**chemistry**

what mass of sodium chloride can dissolve in 14.8g water at 100 degrees Celsius?
*January 3, 2012*

**English**

Thanks so much! :)
*December 30, 2011*

**English**

What crisis' did Marilyn Monroe have/suffer through?
*December 30, 2011*

**English**

They never mentioned any responsibilities she had.
*December 30, 2011*

**English**

What responsibilities did Marilyn Monroe have?
*December 30, 2011*

**math**

An good hint for memorizing the 9's in multiplication tables are: the product/total's two digits will always add up to nine. Ex: 9*4=36 ... 3+6=9 Also, when you multiply a number by nine, the product will always be one lower than that digit you just multiplied by (not ...
*December 29, 2011*

**evolutionary machanism - BIOLOGY**

2) Explain how genetic drift can lead to a reduction in the genetic variation within a population.
*December 28, 2011*

**evolutionary machanism - BIOLOGY **

A flock of migrating birds is blown off course by a storm and carried towards a small island that has no birds. Only three of the birds survive the storm and make it to the island. They start to reproduce and, after several years there are 500 birds on the island. Does the ...
*December 28, 2011*

**Geometry**

what is the contrapositive of ~b ->a? a.) a -> b b.) ~a -> ~b c.) ~a -> b d.) b -> ~a
*December 22, 2011*

**pre calculus**

solve the following equation in the complex number system Please show all your work. 5x^5 + 32x^4 - 5x - 32 = 0
*December 21, 2011*

**pre calculus**

Find the inverse of the function below. Graph the function below and the inverse. Determine the domain, range and asymptotes of the function below and the inverse function. Please show all your work. f(x) = 2e^-x + 5 Just looking at this gives me a headache. HELP!
*December 20, 2011*

**english**

A radical skeptic might be willing to doubt which of the following
*December 15, 2011*

**history**

The sector of the American public that is interested in politics and understands how government works is called the __________. A.attentive public B.activists C.lobbyists D.public action members A?
*December 4, 2011*

**history**

found the answer in my book!
*December 4, 2011*

**history**

Techniques for interest groups to reach a wide number of people and influence policy makers and voters include all of the following except _________. publicity and mass mailings offering tax write-offs litigation and amicus curiae briefs protests not sure, can't find it in...
*December 4, 2011*

**Accounting**

Kelly B. Roach Single, 1 Allowance $415/week Deduction for 401(k) plan 50/week Annual Taxes Withheld 1,337.96 Social Security tax withheld 313.04 Medicare tax withheld 662.48 State Income tax withheld 928.20 Local Income tax withheld Ralph Volpe Married, 1 Allowance 485/week ...
*November 27, 2011*

**trig**

A and B are acute angles such that cosA =3 over 5 and cosB =12 over 13
*November 21, 2011*

**physics**

How many calories of heat are required to convert 230 grams of ice at -10.0C to a gas with a temperature of 1500C?
*November 14, 2011*

**COMM 100**

Ok I wasn't sure if that was what it was meaning or not, thanks!
*November 13, 2011*

**COMM 100**

LAST ONE: Public speaking decisions about content, organization, and delivery need to be based on your personality. true or false false?shouldn't organization and everything be the same for everyone? maybe I am reading into it too much.
*November 13, 2011*

**COMM 100**

Your self-concept is not usually influenced by your communication with others or their feedback to you. true or false true?
*November 13, 2011*

**COMM 100**

Assertive speakers tell their listeners what they mean and what they expect. true or false, Assertive communication is said to be where you take in the other persons feelings and rights into consideration, however assertive makes me think of firm, so I would get true?
*November 13, 2011*

**Comm 100 college**

ok yeah I don't like the way it is worded. thank you
*November 13, 2011*

**Comm 100 college**

Persuasive speeches focus on forcing the audience to change the way it thinks and feels. TRUE OR FALSE I just wanted to double check on this, because I don't think you are for say "forcing" them to think differently, but giving them the info to let them possibly...
*November 13, 2011*

**COMM 100**

One of the biggest benefits of using primary sources in your speech is ________. A.to show that you have been thorough enough to go to original sources B.to give you more material to memorize C.to give you more materials to include in presentation software A or B?
*November 13, 2011*

**communications **

I took it as introducing yourself to someone. Then my next guess would be C.
*November 13, 2011*

**communications **

Which of the following are the qualities of effective interpersonal communication conversation skills? A.making introductions, relevance, tact,and sincerity B.relevance, tact, sincerity, and giving directions C.relevance, tact, courtesy and sincerity I really can't find ...
*November 13, 2011*

**Comm 100 college**

thanks!
*November 13, 2011*

**Comm 100 college**

The most important principle of language adaptation is to A.adapt the level of language to the situation and the audience. B.adapt to less formal and more colloquial so that all people will understand you. C.adapt to spoken and written substandard language A?
*November 13, 2011*

**communication**

In general, thesis or central idea is supported by claims; claims are supported by proof; and A.proof is supported by development,including details and examples B.proof is supported by the specific purpose C.proof is supported by solutions A?
*November 13, 2011*

**statistics**

On average, 30-minute television sitcoms have 22 minutes of programming.If a probability distribution for minutes of programming can be approximated by a uniform distribution from 18 minutes to 26 minutes. What is the probability a sitcom will have 25 or more minutes of ...
*November 11, 2011*

**statistics**

On average, 30-minute television sitcoms have 22 minutes of programming.If a probability distribution for minutes of programming can be approximated by a uniform distribution from 18 minutes to 26 minutes. What is the probability a sitcom will have 25 or more minutes of ...
*November 11, 2011*

**statistics**

On average, 30-minute television sitcoms have 22 minutes of programming.If a probability distribution for minutes of programming can be approximated by a uniform distribution from 18 minutes to 26 minutes. What is the probability a sitcom will have 25 or more minutes of ...
*November 11, 2011*

**government-pos110**

thanks
*November 10, 2011*

**government-pos110**

Which of the following characterizes the differences between House and Senate campaigns? a.House campaigns have more funding than Senate campaigns. b.House campaigns are less contested than Senate campaigns. c.House campaigns are less affected by the coattail effect than ...
*November 10, 2011*

**Economics**

Say you are the manager of a perfectly competitive firm selling a product. Your business is making a loss because total revenue is less than total costs. What would you do--shut down or continue to operate? Use hypothetical numbers to explain. Information you need to provide ...
*November 9, 2011*

**physics**

a 3.0 kg wood box slides from rest down a 30.0 degree inclined plane. How long does it take the box to reach the bottom of the 4.75 m wood incline? The coefficent of friction is 0.30.
*November 2, 2011*

**Physic**

A 23.0 kg block is sitting on the ground. Two ropes are attached to the top of the block. Rope A is pulled upward with a force of 20.0 N and rope B is pulled upwards with a force of 5.0 N. What is the normal force on the block?
*October 30, 2011*

**Calculus**

Find the area of the region enclosed between y = 2sin (x) and y = 2cos (x) from x = 0 to x = pi/4. Thanks for your help :)
*October 27, 2011*

**chemistry**

thanks.. tried this formula several times, must be putting numbers in the wrong place..if R equals 0.0821L x atm per mole x K..and I don't know what the temp is?
*October 26, 2011*

**chemistry**

a 0.296g of CO2 has a volume of 565ml and a pressure of 425mmHG, what is the temperature??????
*October 26, 2011*

**chemistry**

thanks...the whole R thing is throwing me off...
*October 26, 2011*

**comm 100**

You would cite the sources in your speech for all of the following except: 1.)if you use nonoriginal visual materials. 2).if you use literal analogies. 3.)if you use direct quotes or paraphrased information. 4.)if you use statistics. I swear I know this and I am drawing a ...
*October 25, 2011*

**Physic**

A dolphin experiences a force of 320 N [up] when it jumps out of the water. The acceleration of the dolphin is 2.6 m/s 2 [up]. (a) Calculate the mass of the dolphin. (b) What would be the acceleration of the dolphin if it had the same strength but half the mass
*October 20, 2011*

**Physic**

A 55-kg female bungee jumper fastens one end of the cord (made of elastic material) to her ankle and the other end to a bridge. Then she jumps off the bridge. As the cord is stretching, it exerts an elastic force directed up on her. Calculate her acceleration at the instant ...
*October 19, 2011*

**Physics**

A tennis player hits a ball 2.0 m above the ground. The ball leaves his racquet with a speed of 15.0 m/s at an angle 5.5 degrees above the horizontal. The horizontal distance to the net is 7.0 m and the net is 1.0 m high. By how much does the ball clear the net? Thanks
*October 19, 2011*

**math**

Leon had $628 and Wayne had $2371. Every month, Leon saves $28 while Wayne saves $7. How many months will it take for both to have the same amount of money?
*October 18, 2011*

**geography**

thks
*October 17, 2011*

**geography**

So its winter?
*October 17, 2011*

**geography**

north?
*October 17, 2011*

**geography**

If it is summer in Africa whatis it saudi arabia?HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
*October 17, 2011*

**geography**

Question:If it is winter in New York what is it in Minnesota?PLEASE HELP!!!!!!!!!!!!!!
*October 17, 2011*

**geography**

Can you please help me with climate zones?
*October 17, 2011*

**Physics**

Suppose the force of friction on a sliding object is 25 N. What is the force needed to maintain a constant velocity?
*October 13, 2011*

**PHYSICS**

Suppose the force of friction on a sliding object is 25 N. What is the force needed to maintain a constant velocity?
*October 12, 2011*

**Physic**

How long would it take a laser beam to go to the Moon and back if the distance to the Moon is 3.8 x 108 m? I know that Velocity of light is 3x10^8 m/s
*October 11, 2011*

**algebra**

_______________________________________ MATH133 Unit 1 Individual Project 2 A 1) The following graph shows the depreciation for the corporate airplane from 2006 to 2009. The plane was purchased new in 2006; therefore, x = 0 represents the year 2006. X – axis (horizontal...
*October 10, 2011*

**culinary arts **

______ is a cold, uncooked Spanish soup made of pureed raw vegetables.
*October 5, 2011*

**culinary arts**

a(n) ___ is a uniform mixtue of two unmixable sustances.
*October 5, 2011*

**culinary arts**

_________________ is an uncooked mixture of equal parts butter and flour, used as a thicking agent.
*October 5, 2011*

**calculus - limits**

limit approaches 6 x+6/x^2-36
*October 4, 2011*

**Math**

The smallest real number in the solution set of 2x > 6 is 4. A) True B) False - The smallest real number in the solution set of 2x > 6 is 3. C) False - The smallest real number in the solution set of 2x > 6 is a number greater than 3. For example, 3.01 is a real ...
*October 4, 2011*

**statistics**

what is the probability of randomly selecting a student who exercises between 55 and 80 minutes per week?
*October 3, 2011*

**Algebra 2**

The phrase "$23.95/day" means you pay $23.95 for every day, or the number of days is multiplied by the amount. So, this becomes 23.95(# days). Likewise, the phrase "$.10/mi." means you pay $.10 every mile. So, you would multiply the number of miles by $.10...
*October 1, 2011*

**Chemistry**

Please help me with this! Rank the solvents according to their polarities, from the most polar to nonpolar. ethyl acetate, water, acetone, hexane, ethanol
*September 28, 2011*

**Math 124**

-4.99 1.9435 3.25E4 1.56e-9
*September 28, 2011*

**science - physics**

A plane flies with a velocity of 52 m/s east through a12 m/s cross wind blowing the plane south. Find the magnitude and direction (relative to due east) of the resultant velocity at which it travels.
*September 27, 2011*

**math**

6/10 * 5/9 = 30/90 = 1/3
*September 27, 2011*

**chemistry**

0.0142 L
*September 27, 2011*

**statistics**

normalcdf(-100,20,30,5) 0.0228
*September 27, 2011*

**Maths**

pi r squared multiplied by height
*September 27, 2011*

**math**

perimeter = the sum of the all the sides 8cm +6cm+8cm+6cm = 28cm
*September 27, 2011*

**math**

a. 10/4280 0.0023 b. (10+12) = total tickets 22/4280 = 0.051 c. (4280-22) divided by 4280 0.9949
*September 27, 2011*

**algebra find outlier describe affect**

the first two are correct in the third one what r u looking for?
*September 27, 2011*