Friday

March 6, 2015

March 6, 2015

Total # Posts: 3,882

**chem**

What amperage is required to plate out 0.315 mol Cr from a Cr3+ solution in a period of 9.00 hr? im writing the conversions and i started with 9hr -> seconds but where do i go from the seconds to the moles of Cr? i know that we have to use for every mole of Cr there are 3 ...
*May 13, 2011*

**Math/Algebra**

Simplify this expression... x^2-9/x^3-3x^2
*May 10, 2011*

**Math/algebra**

Simplify this expression.. x^2-5x/5x-25
*May 10, 2011*

**math**

Jane and Kathy are playing a game of marbles. In each game the loser gives the other girl a marble. When they are finished Jane had won 15 times and Kathy had 22 more marbles than wen she had started . How many games did they play?
*May 10, 2011*

**Calculus**

I;m sorry, I did not state that very well. I'm still new to calculus. I think I have figured it out. Thank you for responding anyway.
*May 10, 2011*

**Calculus**

For a class project, I have been asked to find the volume of the area bounded by two functions, with cross sections of equilateral triangles. The two functions in question are y = xsinx y = -xsinx , And I need to find the volume that would result if the cross sections were ...
*May 10, 2011*

**finance**

A Canadian exporter, Victoria Exports, will be receiving six payments of €10,000, ranging from now to 12 months in the future. Since the company keeps cash balances in both Canadian dollars and US dollars, it can choose which currency to change the euros to at the end of ...
*May 5, 2011*

**finance**

The owners’ equity accounts for Octagon Transnational are as follows: Common Stock [$2 par value] $20,000 Capital Surplus 360,000 Retained Earnings 1,173,000 Total owners’ equity $1,553,000 a. If Octagon’s stock currently sells for $50 per share and Octagon ...
*May 5, 2011*

**finance**

Assume that the export price of a Nissan XTerra from Osaka, Japan is ¥3,750,000. The exchange rate is ¥121.84/$. The forecast rate of inflation in the United States is 2.8% per year and is 0.6% in Japan. a. What is the export price of the XTerra at the beginning of the...
*May 5, 2011*

**finance**

Delphi is the US-based automotive parts supplier that was spun off from General Motors in 2000. With annual sales of over $26 billion, the company has expanded its markets far beyond the traditional automobile manufacturers in the pursuit of a more diversified sales base. As ...
*May 5, 2011*

**finance**

Farah Jeans of San Antonio, Texas is completing a new assembly plant near Guatemala City. A final construction payment of Q8,400,000 is due in six months [“Q” is the symbol for Guatemalan quetzals]. Farah uses 20% per annum as its weighted average cost of capital. ...
*May 5, 2011*

**Finance**

Dzell Printers, Inc. (DZ) of the United States exports computer printers to Brazil, whose currency, the reais (symbol R$) has been trading at R$3.30/US$. Exports to Brazil are currently 100,000 printers per year at the reais equivalent of $140 each. A strong rumor exists that ...
*May 5, 2011*

**psychology**

answer man's answer was correct! i just tried it! dont hesitant to put his answer bc its right :)
*May 4, 2011*

**Econ/statistics**

The monthly earnings of teachers is normally distributed with a mean of $3,000 and the standard deviation of $250. We select a sample of 87 teachers. The sampling distribution of the sample mean has an expected value and standard deviation of: a.) 3,000 and 26.8 b.) 3,000 and ...
*May 3, 2011*

**Statistics**

1. In thinking about doing statistical analysis, the sample mean should be interpreted as: A.)a constant value that is equal to the population mean. B.) a constant value that is approximately equal to the population mean. C.) a random variable that is approximately equal to ...
*May 3, 2011*

**Biology**

4 regulation
*May 3, 2011*

**math**

An airplane is 34 ground miles from the end of the runway and 6 miles high when it begins its approach to the airport. To the nearest mile,what is the distance from the airplane to the end of the runway?
*May 1, 2011*

**math**

a 20 foot ladder leaning against a building makes and angle of 60 degrees with the ground. How far from the base of the building is the foot of the ladder?
*May 1, 2011*

**Physics**

A crowbar is used to wrench open a wooden crate. The crowbar is situated so that a point 8 cm from the end digging into the box acts as a pivot point. The crobar is gripped on the other side, 29 cm away from the pivot. If the person exerts a force of 110 lbs on the crobar, how...
*April 29, 2011*

**Physics**

A crowbar is used to wrench open a wooden crate. The crowbar is situated so that a point 4 cm from the end digging into the box acts as a pivot point. The crobar is gripped on the other side, 35 cm away from the pivot. If the person exerts a force of 114 lbs on the crobar, how...
*April 25, 2011*

**Physics**

A woman is standing on the middle of a ladder that leans up against a building, with an angle of 56 degrees from the ground. The wall is very slippery and the ladder is very light. What is the minimum coefficient of friction needed between the ground and the ladder so that ...
*April 25, 2011*

**algebra**

i forgot how to convert a decimals to a fractions, can u help me solve this: 0.14 percent: 14% fraction: ?
*April 23, 2011*

**Physics**

Step One: Convert rpm to radians per second (12 rpm)(2pi rad/1rev)(1min/60s) = 1.26 rad/s = w Step Two: Determine the Angular Acceleration w = alpha t + w 1.26 rad/s = alpha (9.0 s) + 0 Alpha = 0.140 Step Three: Determine the moment of inertia of the disk and children Moment ...
*April 19, 2011*

**object oriented programming **

We want to define a class clockType, to implement the time of day in a program. The time is represented as a set of three integers: one to represent the hours, one to represent the minutes, and one to represent the seconds. We also want to perform the following operations on ...
*April 18, 2011*

**Chemistry**

If the amount of radioactive iodine-123 in a sample decreases from 0.8 g to 0.1 g in 36.2 hours, what is the half-life of iodine-123
*April 17, 2011*

**Computers**

I have project i need your help. this is the Project Description In this project, you will design a complete arithmetic unit of a microprocessor which can do addition, subtraction, multiplication, and division of two 2-bit binary numbers (A1A0 and B1B0). Using a 2x4 decoder ...
*April 17, 2011*

**chemistry**

Find te Yield of Carbon Dioxide in an Alkaseltzer Reaction. Equation: HCH3COO (Acetic Acid)+ NaHCO3 (Sodium Bicarbonate) -> NaCH3COO+ H20 (water)+ CO2 (Carbon Dioxide) So i know to find the Yield its Actual Yield / Theoretical Yield. How do i find the Theoretical Yield and ...
*April 15, 2011*

**calculus**

sectin 20 what about you?
*April 15, 2011*

**calculus**

thank you alot for your help I was really worried because i have to submit the answer tomorrow and i could not do any thing without your help thank you again
*April 15, 2011*

**calculus**

please can you give me an example?
*April 15, 2011*

**calculus**

Is it possible to find an example of a bounded region in the x, y plane that satisfies the following condition : when you revolve the region about the x axis you obtain a solid that has a volume equals its surface area
*April 15, 2011*

**calculus**

yes he does not care about the unit he just want the value using integration
*April 15, 2011*

**calculus**

Is it possible to find an example of a bounded region in the x, y plane that satisfies the following condition : when you revolve the region about the x axis you obtain a solid that has a volume equals its surface area
*April 15, 2011*

**math!**

Ohhhh ok I get it now.....so if you had a percent of decrease problem you would to the same thing but divide right?
*April 14, 2011*

**math!**

No my teacher said he thought it was like 6 out of 20
*April 14, 2011*

**math!**

Frank had a pretest score of 6, what must his posttest score be for his percent of increase to be 50 percent?
*April 14, 2011*

**English**

How would you describe this question?
*April 13, 2011*

**L.A. homework**

I need help with rewriting the final stanza (before the italized ones) of The Highwayman.
*April 12, 2011*

**calculus**

log (3x-9) = 2log3 - log27+ log(x+3) Solving the euqation using the properties of logarithms How do you do this?
*April 11, 2011*

**physics**

Suppose that 90 g of hot water at a temperature of 75 degrees C is poured into a cavity in a very large block of ice at 0 degrees C. (a) What will be the final temperature of the water in the cavity? (b) What mass of ice must melt in order for the water to cool down to the ...
*April 7, 2011*

**geometry**

Find the volume of a rectangular solid with the following dimensions: 2ã3 cm x 7ã5 cm x 4ã6 cm.
*April 7, 2011*

**Physics**

When throwing a ball, a pitcher exerts a torque of 150 N m for 0.15 seconds onto their arm before letting go of the ball. With an arm length of 0.9 m with inertia 0.6 kg m2, what is the speed of the ball just after it is released?
*April 6, 2011*

**Math**

can you figure out this problem? 10c+c(c-4)
*April 5, 2011*

**Chemistry**

158.5 mL of a AgNO3 solution at 5.0M was combined with a 3.5M CaCl2 solution. 110.5g of AgCl was recovered. Given that the CaCl2 is the limiting reagent, how many milliliters of the 3.5M CaCl2 solution was used?
*April 5, 2011*

**Chemistry**

A solution is prepared with 50.0 g of HNO3 and 130.0 g of H2O. It has a density of 1.21 g/mL. What is the mass/volume percent?
*April 5, 2011*

**Chemistry**

Label the following reactions as combination, decomposition, displacement, precipitation, or acid-base reaction. Also whether each reaction is a redox or non redox reaction. SO2(g)+H2O(l)-> H2SO3(aq) NH3(aq)+HS(-)(aq)-> NH4(+)(aq)+S(2-) Na2O2(l)-> Na2O(l)+O2(g) 3S(2...
*April 5, 2011*

**Chemistry**

A solution is prepared with 50.0g of HNO3 and 130.0g of H2O. It has a density of 1.21g/mL. What is the total volume (mL) of the solution?
*April 4, 2011*

**algebra**

What is the positive difference in the sums of the letters in the words MATH and COUNTS, if each letter is assigned a value as folows: A=1, B=-2, C=3, D=-4,..., Y=25, Z=-26?
*April 2, 2011*

**algebra **

A pair of emirps consists of two prime numbers such that reversing the digits of one number gives the other. How many pairs of two-digit emirps exist such that each number in the pair is greater than 11?
*April 2, 2011*

**Chemistry**

What is the molarity of the solution prepared by diluting 25.0ml of 0.220M NaCl to 75.0ml of final volume?( explain your steps)
*April 2, 2011*

**Math**

solve::: A=1/2(a+b)h
*March 30, 2011*

**7th grade math**

i could draw it, but i cannot write it. :( sorry...
*March 29, 2011*

**accounting**

Neer Department Store uses the retail inventory method to estimate its monthly ending inventories. The following information is available for two of its departments at August 31, 2011. Sporting Goods Jewelry and Cosmetics Cost Retail Cost Retail Net sales $1,000,000 $1,160,000...
*March 29, 2011*

**To Ms. Sue**

Ms. Sue could you please read my essay and tell me if it's good? I don't have time to rewrite it, would just like to know your opinion about it.
*March 28, 2011*

**Essay- Added a bit more**

If you could just change my conclusion a bit, I would really appreciate that.
*March 28, 2011*

**Essay- Added a bit more**

I don't have time to rewrite all this as it is due tomorrow. I'll just stick with what I have.
*March 28, 2011*

**Essay- Added a bit more**

Im doing an essay and this is the format for it. Intro of 5 or more sentences, where you introduce your thesis statement (that which you will be writing about - in the form of a statement, or point of view) Two or three paragraphs, of about 8-10 sentences each, where you ...
*March 28, 2011*

**Essay - Changed some things**

Im doing an essay and this is the format for it. Intro of 5 or more sentences, where you introduce your thesis statement(that which you will be writing about - in the form of a statement, or point of view) Two or three paragraphs, of about 8-10 sentences each, where you ...
*March 28, 2011*

**Essay **

Im doing an essay and this is the format for it. Intro of 5 or more sentences, where you introduce your thesis statement(that which you will be writing about - in the form of a statement, or point of view) Two or three paragraphs, of about 8-10 sentences each, where you ...
*March 28, 2011*

**physics (Science)**

If a bee flew 27 centimeters in 10 seconds what would its speed be?
*March 28, 2011*

**Finance**

ABC Mining is evaluating the introduction of a new ore production process. Two alter¬natives are available. Production Process A has an initial cost of $25,000, a 4-year life, and a $5,000 net salvage value, and the use of Process A will increase net cash flow by $13,000 ...
*March 26, 2011*

**Geography**

Thank you.
*March 25, 2011*

**Geography**

Why are there so many abandoned railway line in some states like Minnesota?
*March 25, 2011*

**Geography**

That would be prairie. Thank you for the help.
*March 24, 2011*

**Geography**

Flat grasslands would be the best
*March 24, 2011*

**Geography**

Where would be the best place to farm: a) Prairie b) Deciduous c) Conifers d) Swamps and Bogs
*March 24, 2011*

**Math**

A science museum requires 3 adult chaperones for every 15 students on a field trip. How many chaperones would be needed for a group of 125 students?
*March 24, 2011*

**Algebra**

7.7 divided by 1.4 = 5.5m
*March 24, 2011*

**Physics**

Two cars crash into each other at an intersection on a very icy road. One 3,000 lb car is traveling 45 mph NW. The other, weighing 2,000 lb, is traveling 30 mph E. After the collision, their bumpers lock together. What is the velocity of the wreck as it slides off the road ?
*March 23, 2011*

**Physics**

A cylindrical copper cable carries a current of 1070 A. There is a potential difference of 1.6 10-2 V between two points on the cable that are 0.22 m apart. What is the radius of the cable?
*March 22, 2011*

**english**

is experimenting a subject or predict nominative
*March 22, 2011*

**grammar**

what is the adverb in the following sentence?: I've never seen such a beautiful sight.
*March 21, 2011*

**Ms. Sue**

Ms. Sue Im going to do a biography on a well known person from Victorian era. Or anything like that. Like the first chapter was Colonies in the wildnerness, and then the second chapter was Building a nation. Im trying to look for a well known famous person in those times, that...
*March 21, 2011*

**chem**

thanks:)
*March 19, 2011*

**chem**

What mass of NaCl is required to precipitate all the silver ions from 19.2 mL of 0.100 M AgNO3 solution?
*March 19, 2011*

**social studies**

Rhode Island
*March 17, 2011*

**social studies**

How did the industrial revolution affect ri today
*March 17, 2011*

**physics**

need to know mass and acceleration of a 30.5 bloch connected to an empty 1.00kg bucket by cord running over a frictionless pulley coefficient of static friction between table and block is 0.405 and coeff. of kinetic frict. between the table and the block is 0.320 adding sand ...
*March 16, 2011*

**maths**

which one of these numbers 9,15,25,45,50,64,100,125,175 has a cube root of 5
*March 15, 2011*

**physics**

A dock worker loading crates on a ship finds that a 25 kg crate, initially at rest on a hori- zontal surface, requires a 90 N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 51 N is required to keep it moving with a constant ...
*March 14, 2011*

**physics**

A 5.4 kg block slides down an inclined plane that makes an angle of 38 with the horizontal. Starting from rest, the block slides a distance of 2.5 m in 5.3 s. The acceleration of gravity is 9.81 m/s2 . Find the coefficient of kinetic friction be- tween the block and plane.
*March 14, 2011*

**Socials**

Then how does that work out on the first question? It says nothing about the values and beliefs. So they werent allowed to play a role, by socializing, they spread their words right?
*March 14, 2011*

**Socials**

Yes they did. Although the delegates to the Charlottetown and Quebec conferences were men, they were accompanied by their families. Unofficial activities included banquets and parties. It doesnt say anything about them playing a role in the negotiations, the natives were ...
*March 14, 2011*

**Socials**

In what ways did the Conferences reflect Victorian social values and beliefs? In ur answer, consider the roles that women and Native people were allowed to play in the negotiations. The women were a force that helped to build a sense of communal solidarity amoing participants ...
*March 14, 2011*

**Socials**

Did Macdonald succeed in getting the kind of Confederation he had hoped for? Explain your answer. Im guessing not because Macdonald had hoped for a strong national government, which didnt happen. The nation was made into a federation. Am I right?
*March 14, 2011*

**Socials**

Alright, thank you:) So this would not be a selling point for them, because they do not wish to be called Americans. By being called Americans, they lose their own identity.
*March 14, 2011*

**Socials**

No I dont think they would. That is kind of being racist to their religion and stuff, their own identies are being withered away.I dont understand what it means by selling point? Wouldnt selling point be for the French-Canadians to accept being called Americans??
*March 14, 2011*

**Socials**

What does Mcdonald tell citizens of his proposed confederation would call themselves? Would this be a selling point for French - Canadians? Explain ur answer.....' He said they would call themselves Americans, and I dont get the second question.
*March 14, 2011*

**Socials **

Ok, thank you:)
*March 14, 2011*

**Socials **

Confederation: For and Against. How do Macdonald and Howe represent the presence of the United States? In a paragraph, describe who, in your opinion used the American factor most effectively. Macdonald mentions Americans, but I cant find where they talk about the US. I think ...
*March 14, 2011*

**Socials**

Alright, thanks:)
*March 14, 2011*

**Socials**

John. A Macdonald for Confederation... For 20 long years, I have been dragging myself through the dreary waste of Colonial politics. I thought there was no end, nothing worthy of ambition; but now I see something which is well worthy of all I have suffered in the cause of my ...
*March 14, 2011*

**Socials**

Alright, thanks so much for the translation:)
*March 14, 2011*

**Socials**

Those are the ones I dont really understand, what does he mean by those statements?
*March 14, 2011*

**Socials**

Confederation: For and against.. In a chart, list Joseph Hows's points against Confederation in one column, and Macdonald's points in favour of Confederation in another. This is what Joseph Howe said: Let us see what the Canadians desiere to do. They are not, as have ...
*March 14, 2011*

**Socials**

It says that it was held for representatives from the colonies of BNA to discuss Canadian Confederation. They whole idea was to unite with the maritimes.
*March 13, 2011*

**Socials**

What was the purpose of the Charlottetown Conference of 1864? The purpose of the Charlottetown Conference of 1864 was to unite the colonies and form a large colony... Is that right?
*March 13, 2011*

**Socials**

Alright, thanks:)
*March 13, 2011*

**Socials**

Which three men formed the "Great Coalition"? Why? George Brown, John A. Macdonald, and George Etienne Cartier. They formed the "Great Coalition" to save the government of Canada, and to try to unite the colonies. Am I right?
*March 13, 2011*

**Socials**

The corn laws, the development of steam and steel technology?
*March 13, 2011*

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