Thursday

April 17, 2014

April 17, 2014

Total # Posts: 66

**Math**

One angle of a triangle measures 100. the other two angles are in a ratio of 3:5. What are the measures of those two angles?

**chemistry calculations**

An ore sample with a mass of 670 kg contains 27.7% magnesium carbonate .If all of the magnesium carbonate in this ore sample is decomposed to form carbon dioxide ,describe how to determine what mass of carbon dioxide is evolved during the process.

**probability**

hydraulic landing assemblies coming from an aircraft rework facility are each inspected for defects. Historical records indicate that 8% have defects in shafts only, 6% have defects in bushing only, and 2% have defects in both shafts and bushing. one of the hydraulic assemblie...

**accounting statistics**

Find the balance at the end of 6 years of $5000 investment in an account with a nominal annual rate of interest of 2.5% compounded quarterly over the first two years and then grows according to nominal annual rate of discount of 6% convertible monthly over the remaining 4 year...

**chemistry**

a 2.50mL sample of dry air in a cylinder exerts a pressure of3.00atm at room temperature. without changing the temperature, a piston is moved until the pressure in the cylinder is reduced to 1.00atm. what is the final volume of the gas?

**chemistry**

a 2.50mL sample of dry air in a cylinder exerts a pressure of3.00atm at room temperature. without changing the temperature, a piston is moved until the pressure in the cylinder is reduced to 1.00atm. what is the final volume of the gas?

**physics**

a man stands on the roof of a building that is 30m tall and throws a rock with a velocity of magnitude of 40m/s at an angle of 33 degress a bove the horizontal. Calculate the following: a.) The maximum height above the roof reached by the rock. b.) The magnitude of the velocit...

**Can someone help me?!**

the sum of the first 10 terms of the geometric sequence.

**Can someone help me?!**

My answer is 12276, is this correct?

**Can someone help me?!**

The 1st, 5th and 13th terms of an arithmetic sequence are the first three terms of a geometric sequence with a common ratio 2. If the 21st term of the arithmetic sequence is 72, calculate the sum of the first 10 terms of the geometric sequence.

**Chem. theromodynamics**

if you start with 300g of lead acetate in 850ml of water what is the Pb^2+ concentration at a pH of 4.8?

**phys1**

A carnival swing is fixed on the end of an 7.6-m-long beam. If the swing and beam sweep through an angle of 130°, what is the distance through which the riders move?

**physics14**

In a cathode ray tube, electrons are accelerated from rest by a constant electric force of magnitude 6.2 multiplied by 10-17 N during the first 2.2 cm of the tube's length; then they move at essentially constant velocity another 43 cm before hitting the screen. (a) Find th...

**Calculus**

On what interval is the function f(x)=x^2-6x+8 is increasing?

**physics**

A fully charged 98 uF capacitor is discharged through a 125 ohms resistor. How long will it take for the capacitor to lose 75% of its initial energy

**physics**

a 2 uF capacitor is connected in series with a 1.2 M ohms resistor and a 5 v battery for a long time. What is the current in the resistor 1s after disconnecting the battery?

**physics**

you do Fd=.5m*vfinal^2-.5m*vinitial^2 solve for vfinal and that is the correct answer.

**Chemistry 12**

How do we determine the specific gravity of a solution? and what unit is it in?

**calculus**

what is the derivative of y = (4x squared - 5/2x+3)raise to 3/2 three halves..

**calculus**

what is the derivative of y = (4x squared - 5/2x+3)raise to 3/2 three halves..

**english **

10 examples of back formation

**Chemistry 12**

Is O2(g) <---> O2(aq) an endothermic/exothermic reaction, and why?

**science**

if a person weighs 120kg on earth, how much would they weigh in space

**Chemistry 12**

If a 0.50 M solution of potassium hypochlorite, [OH^-]=3.0*10^-4. What is the Ka for hypochlorous acid? Can someone please help me with this question? I can't get the right answer

**Chemistry 12**

How do we determine the specific gravity of a solution? and what unit is it in?

**Chemistry 12**

is it true that at 20ºC, 100g = 100mL （for water)

**Chemistry 12**

NVM, i got it! thanks!

**Chemistry 12**

Thank you! I am still confused about b)

**Chemistry 12**

In s 0.30 mol/L HNO3(aq) solution. a) what is the concentration of nitric acid molecules. b)what is the hydroxide ion concentration?

**Geometry**

If angle AOB=4x+15 and angle AOC=3x+25, find the degree measured of AOB and AOC

**social studies**

N/A

**5th grade**

least of possible numberthat rounds to 510

**law and ethics**

Thank you..that is actually the answer i had i just wanted to be sure =)

**law and ethics**

Who determines the amount of and kind of diagnostic tests allowed for a medical condition?

**Physics**

I'm just going to post this again since it keeps cutting my answers off.

**Physics**

It didn't let me finish writing this. For number 1, option D is 3.0 x 10-10 m. For that question I got B. 2. A student wishes to make a measurement of the road distance from his dormitory to the physics building of his university. she uses her car's trip odometer, whic...

**Physics**

The professor gave us no background material or explanations for any of these questions. 1. Imagine that molecules of H20 are stacked up in a cubic array, like a large number of cubical boxes. Each water molecule is taken to be at the center of each cube in this array. Let the...

**Physics**

Also, I came out with D for 4 but again I'm not sure.

**Physics**

I kept working on these and now I have C for 2 and B for 3 but I'm still unsure.

**Physics**

The professor gave us no background material or explanations for any of these questions. 1. A contemporary computer chip dissipates 54 watts of power on a area of 1 square cm. due to the transistors inside this area. Assuming that transistors in succeding computer generations ...

**Canadian Political Science**

Is the Quebec National Assembly simply the provincial legislature of Qc? Are its members provincial MPs?

**earth science**

As an observer travels due east or due west, what happens to the angle of Polaris?

**Law and Ethics**

Stumbling across this has made me feel a little better that im not the only one a bit stuck. Everytime i try to sit down and research or read anything one of my children need something. So far i have nothing but the night is still young.......lol=)

**English**

Please help. How can I word this better? Rhea did not even question why they can not just all go together up to his room.

**English - Grammar**

Thank you.

**English - Grammar**

Should there be a comma before "be alone" in this sentence? The bond between them was so strong that Rhoda knew she could not leave Rhea and be alone.

**English**

Thank you.

**English**

Is the punctuation right in this sentence? (the semicolon doesn't seem right) In another of Oates’s stories; “Heat“, the main characters were also deprived of the future because of their curiosity and loneliness

**English**

thank you.

**English**

Is the comma right in this sentence? If not, what other punctuation can I use? “Where Are You Going, Where Have You Been?” tells the story of a teenager named Connie who is stalked by an older man, Arnold Friend.

**Organizational Behavior**

How can a person’s perception of others impact an organization’s behavior?

**english**

Thanks. That really helped me out.

**english**

How can I word these sentences better? 1)Regardless of how misery changes a person, everyone always wants to get rid of it. 2)The characters of the novel demonstrate how misery drives people to do things they would not normally do. 3)While standing near the dead body of his cr...

**investing**

Thank you Ms. Sue.

**investing**

1. What does calculating the weighted average cost of capital (WACC) tell you about a company's financial strategy including the level of risk involved in the business? 2. How could the company use WACC calculations in determining future investment?

**Fin215**

Then point me in the right direction and I will gladly quit "wasting" your time. Please.

**Fin215**

You are to assume that a firm’s cost of capital is 10%. Using this information, what are reasonable costs of capital for evaluating average-risk projects, high-risk projects, and low-risk projects. Based on your knowledge about this subject, I should have an estimated cos...

**investing**

Thanks.

**investing**

What if I just picked an operating capital of say 2M and used the current rates on low and high risk bonds added to the 10%, would this give me an answer for the three situtations?

**investing**

Suppose a firm estimates its cost of capital for the coming year to be 10 percent. What are reasonable costs of capital for evaluating average-risk projects, high-risk projects, and low-risk projects? Please help .

**Effects of religon**

One of the effects that organized religions have had on society in the past is persecution of Christianity. During the pre-Christian era of history Christians were imprisoned or put to death by pagans. One of the greatest persecutions in history happened during the years prior...

**sociology**

I hope this helps everyone. I had Ms. Aron for Ethics. I do believe that it is difficult to accurately measure prejudice. Some of the things that we associate with each other on a day to day basis have been there for so long that many of us do not even think about it. A good e...

**sociology**

I hope this helps.I had Ms. Aron for Ethics. I do believe that it is difficult to accurately measure prejudice. Some of the things that we associate with each other on a day to day basis have been there for so long that many of us do not even think about it. A good example of ...

**sociology**

It is great to see Axia still here. I have moved on to HUM130 and am in my third week here. Unfortunately I did not keep all my assignments. I have however kept a good many of them. I ended up with an A- for the class but it was because of procrastination.I will check back her...

**ETH125**

This has still got to be one of the coolest websites to just stumble across. I have had this site bookmarked for awhile and still get a smile out of it whenever I visit. GO ETH125!!!!

**ETH125**

This has still got to be one of the coolest websites to just stumble across. I have had this site bookmarked for awhile and still get a smile out of it whenever I visit. GO ETH125!!!!

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