Friday

February 12, 2016
Total # Posts: 1,827

**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*

**Math**

41.66 ft
*September 27, 2011*

**Calculus**

implicit differentiation... I keep getting stuck on this question, any help would be appreciated
*September 27, 2011*

**Calculus**

tan^-1 (x^2 y) = x+xy^2
*September 27, 2011*

**Math**

If B is between A and C, AB=3x-1, BC=2x+4 and AC=38, what is the value of AB?
*September 27, 2011*

**science**

find the work done in raising 100 kg of water though a vertical distance of 4.5 m
*September 27, 2011*

**science**

how muchwork is done by a shopper in pushing her grocery cart by afroce of 32 N a distance of 4.5 M
*September 27, 2011*

**statistics**

Assume that a population is normally distributed with a mean of 100 and a standard deviation of 15.
*September 26, 2011*

**math**

12/210 in the simplest form
*September 25, 2011*

**physics**

A runner’s velocity along a straight track is 3.2 m/s at time 8.0 s and 2.2 m/s at time 11 s. Find the runner’s average acceleration during this time interval.
*September 23, 2011*

**math**

PUC raised money for the recent disaster victims.They decided to allocate the money in manner: 1/3 of the money goes for medical supplies, 1/4 of what was left brought tents,2/3 of the remaining went to water purification systems, the rest of the money was spent on shipping ...
*September 21, 2011*

**math**

Carla always sorts her M&M's before eating them. One Day she noticed that 2/5 of of them were red, 1/4 of them were brown,3/10 of them were green, and that 10 of them were yellow. How many total M&M's? How many were red? How many were brown? How many were green?
*September 21, 2011*

**Math**

Dan had 12 3/4yard of cable. He used 3 1/2yards for one computer and two more cables of 2 7/8 for two other computers. He needs 3 1/3yard for the last computer. a. Does he have enough? b. If not, how much more does he need? c.If so, how much does he have left?
*September 21, 2011*

**Math**

Gayle had 5 1/3pounds of candy.She put 1 1/2 pounds of candy into each gift bag.How many gift bags could she fill completely fill? What fraction of a gift bag will she have left? what fraction of a pound of candy will she have left?
*September 21, 2011*

**Math**

Gayle had 5 1/3pounds of candy.She put 1 1/2 pounds of candy into each gift bag.How many gift bags could she fill completely fill? What fraction of a gift bag will she have left? what fraction of a pound of candy will she have left?
*September 21, 2011*

**Math**

PUC raised money for the recent disaster victims.They decided to allocate the money in manner: 1/3 of the money goes for medical supplies, 1/4 of what was left brought tents,2/3 of the remaining went to water purification systems, the rest of the money was spent on shipping ...
*September 21, 2011*

**math**

Carla always sorts her M&M's before eating them. One Day she noticed that 2/5 of of them were red, 1/4 of them were brown,3/10 of them were green, and that 10 of them were yellow. How many total M&M's? How many were red? How many were brown? How many were green?
*September 21, 2011*

**Math**

A Woman has cat's and birds. When asked how many of each she has she answers... " I have between both cats and birds 400 feet and 232 eyes.(Cats have 4 feet and Birds have 2 feet) How Many Total? How many Birds? How many Cats? Please help me solve this. Please Please...
*September 21, 2011*

**Algebra**

(1,1) is x=1 and y=1
*September 19, 2011*

**Algebra**

The ordered pairs represent values for x and y. (1,1) is x =1 and y=1. Substitute these ordered pairs in the equations and evaluate to see if are true. Then, graph the points and line to find another solution.
*September 19, 2011*

**Algebra**

(-1,4) and (5,8) is (x1,y1) and (x2,y2). The slope is m=(y2-y1)/(x2-1). Substitute and evaluate to find the slope.
*September 19, 2011*

**Politics**

Ah, you sound right about Libya, actually.. But I'm not big on politics so I honestly didn't know much about it. but from what I'm seeing.. the UN is helping by enforcing the no-fly zone? Other than that I don't really know/understand the backstory behind what ...
*September 17, 2011*

**Politics**

Thank you! That was really helpful. :)
*September 17, 2011*

**Politics**

Hello! I have another question about Syria.. So I'm trying to write a congressional speech about why the UN should go and help Syria. I need to find 3 reasons to write about, but I only have 2 at the moment. My first reason is that the President of Syria is an extreme ...
*September 17, 2011*

**geography**

How imoortant is trade to Canada? Consider the impact on our lifestyle, jobs, and economy.
*September 17, 2011*

**Politics?**

Hello! I have to write an affirmative congress speech on this bill, but I'm not really sure about what the bill means..? Can anyone help me figure out what it's talking about/what I'm trying to affirm? "A resolution to promote justice and human rights in syria...
*September 16, 2011*

**math**

Trying to convert 465 litres of trunk space to inches or sq. feet. Need to know how many suitcases will fit
*September 10, 2011*

**trig**

tan ø = 5; Quad I How do I find the other 5 function values?
*September 9, 2011*

**Business**

Pick any 3 firms to research. Based on Internet research on these companies, write a 500–750-word research paper proposing at least 3 marketing opportunities that you would strongly suggest that each firm pursue
*September 8, 2011*

**critical reading**

pls help me with this question. A powerful general fallacy category is jumping to conclusions which consists of a. using humor or ridicule b.closing an issue before all the evidence is in. c. arguing from ignorance. i think is a but am not sure.
*September 7, 2011*

**Geography**

Does Mexico border 3 countries? The United States, Belize and Guatemala?? Thank You
*September 7, 2011*

**Geometry**

Point C is located on the perpendicular bisector of AB. What is the distance from A to C given the following? AC = 2x+9 BC = 8x-3
*September 4, 2011*

**Microeconomics**

Suppose you are a painter, and the price of a gallon of paint increases from $3.00 a gallon to $3.50 a gallon Your usage of paint drops from 35 gallon a month to 20 gallons a month. Perform the following Compute the price elasticity of demand for paint and show your ...
*September 3, 2011*

**science**

I have used dilute-IT to make a o.1N solution of HCl in .6 N NaCl after bringing the solution to the exact mark on the volumetric flask it lost volume do to off gassing, do I bring it back up to the exact volume?.
*September 2, 2011*

**communications100 **

The first one yes, second didn't help as much, but I figured it out.
*September 1, 2011*

**communications100 **

Thank you ms. sue
*September 1, 2011*

**communications100 **

Also, Which of the following words is the most abstract? African-American literature education Toni Morrison college degree I think college degree, because you can see it and touch one, but also I am unsure who Toni Morrison is and you can probably see them.
*September 1, 2011*

**communications100 **

Select the phrase below that uses the least biased language: 1.When greeting your new boss, be sure and shake his hand. 2.The linguists received their training at Oxford. 3.Mankind should celebrate this invention. 4.Due to the bravery of the fireman, the young child was ...
*September 1, 2011*

**algebra**

this is algebra review but I can't remember how to solve this at all. I need to graph this equation.. 3x=2y-7 I don't know how to get the Y by itself
*September 1, 2011*

**physics**

A ball moving in a vertical circle of radius 0.8 meters has a speed of 4 m/s at the top. To the nearest tenth what is its acceleration at the top?
*August 29, 2011*

**Accounting**

What would be the effect of removing either the Matching Principle or the Revenue Recognition Principle from the process? Use a concrete example of how doing so might affect accounting in a given period.
*August 24, 2011*

**statistics**

For a class actvitity, your group has been assigned the task of generating a quiz question that requires use of the formuala for conditional probability to compute P(B|A). Your group comes up with the following question: "If P(A and B) = 0.40 and P(A) = 0.20, what is the ...
*August 16, 2011*

**Math**

what is the arithmetic oe 3,5,7,9,and 11
*August 7, 2011*

**Math (Statistics)**

Five college engineering students are choosing specialized fileds of engineering to study. Each student is allowed to select 1 field. The available fields are Electrical Engineering (EE), Mechanical Engineering (ME), and Computer Engineering (CE). If the second student does ...
*August 4, 2011*

**stats**

A manufacturer of automobile batteries claims that the distribution of battery life is 54 months with a standard deviation of 6 months. We take a random sample of 50 batteries. a. Find the probability that their mean life is less than 52 months. b. Find the probability that ...
*July 31, 2011*

**stats**

We are interested in customer satisfaction ratings for a particular video game. In a group of 65 customers, we nd a sample mean of 42.95 and the standard deviation is 2.64. Find a 95% Con dence interval for u.
*July 31, 2011*

**chemistry**

calculate the amount of energy (kJ) lost when 50 mL of water at 0 Celcius freezes at 0 Celcius
*July 24, 2011*

**chemistry**

What volume of 14 N H2SO4 is needed to make 250 ml of 3.2 N H2SO4 solution?
*July 21, 2011*

**child development and human behavior**

attempts at suicide are more common in girls or is it a result of generativity?
*July 19, 2011*

**Med terms**

dysphnea---->dyspnea
*July 12, 2011*

**Math**

2. Your firm is considering two projects: Project A and Project B with the following cash flows: A YEAR B YEAR -$75 0 -$60 0 $15 1 $20 1 $33 2 $13 2 $44 3 $15 3 $55 4 $18 4 a. Calculate the NPVs based on WACCs of 5% and 7% b. What are the IRRs based on the WACCs? c. Calculate ...
*July 6, 2011*

**Math**

1. Bob’s Country Bunker (BCB), a chain of economically priced motels in the Midwestern United States has reviewed its current target structure of 40% debt and 60% equity. It can issue debt at a rate of 9%. The last dividend paid on its stock was $1.25. The company is ...
*July 6, 2011*

**Financial Management (Math)**

2. Your firm is considering two projects: Project A and Project B with the following cash flows: A YEAR B YEAR -$75 0 -$60 0 $15 1 $20 1 $33 2 $13 2 $44 3 $15 3 $55 4 $18 4 a. Calculate the NPVs based on WACCs of 5% and 7% b. What are the IRRs based on the WACCs? c. Calculate ...
*July 5, 2011*

**Financial Management (Math)**

1. Bob’s Country Bunker (BCB), a chain of economically priced motels in the Midwestern United States has reviewed its current target structure of 40% debt and 60% equity. It can issue debt at a rate of 9%. The last dividend paid on its stock was $1.25. The company is ...
*July 5, 2011*

**Math**

A merchant buys cloth at $1.60 per yard. At what price per yard should he list the cloth so that he may sell it at a discount of 20% from the list price and still make a profit of 20% of the SALE PRICE?
*July 5, 2011*

**Math-word problem**

A new train goes 20% further in 20% less time than an old train. By what % is the average speed of the new train GREATER THAN that of the old train?
*July 5, 2011*

**Math**

A row of seats in a stadium has 100 seats. If 12 people sit in a row so that there are 2 empty seats between any person and the next person, how many empty seats in the rpw are not between the two end people?
*July 5, 2011*

**COM/155**

Students are often confused about the use of the words good and well in their writing. Write a 100-word passage to Scott McLean, the author of the course’s textbook, in which you describe five details from her book that are good and five details about the book that are ...
*July 5, 2011*

**physics**

In an experiment similar to that done by Michelson,the frequency of rotation of the eight-sided mirror is 530 Hz. Calculate the speed of light in air if the distance from the rotating mirror to the stationary mirror is 35.0 km.
*June 28, 2011*

**Chemistry**

How many Silver Coins (weighing 26g each) would it take to provide 5 moles of Silver (Ag)?
*June 26, 2011*

**algebra**

Calculate the pH of a sample of acid rain that has the H30t concentration of 3.0x4-5m
*June 25, 2011*

**Chemistry**

how can i find out how many moles of oxygen are in 9.85g of (NH4)2CO3 ? i want to know what steps to take and in what order.. please help
*June 24, 2011*

**Math**

Can somebody help me with the following probability question? There is none like it to refer to in my textbook and I am confused. Explain how you would determine the probability that a given household in your community is watching the 10:00m tv news on a Wednesday night?
*June 18, 2011*