Friday

February 24, 2017
Total # Posts: 72

**Math**

A petrol tank that is 3/4 full holds Y litres. How many litres can the tank hold when full?

*August 31, 2016*

**chemistry**

CH3CH2OH = dispersion forces, dipole-dipole forces, and hydrogen bonding

*February 4, 2016*

**Physics**

The block shown in (Figure 1) has mass m = 7.0 kg and lies on a fixed smooth frictionless plane tilted at an angle θ = 22.0 ∘ to the horizontal. If the block starts from rest 15.2 m up the plane from its base, what will be the block's speed when it reaches the ...

*November 28, 2015*

**college chemistry**

a gas sample in a vial originally at 0.6 atm and 300 k. What other property of gas has changed? What is the value of this property after heating?

*October 28, 2015*

**Social Studies Check my answers!**

Did you ever find the answer

*October 27, 2015*

**math**

Mars is 37.7 percent and moon is 16.6 percent thanks and have a wonderful rest of the day 💜🌺

*January 14, 2015*

**Physics**

An 85.7N box of clothes is pulled 26.2m up a 31.7 degree ramp by a force of 112N that points along the ramp. The acceleration of gravity is 9.81 m/s^2 How high does it rise above the point of release? What i got as the equation is Einitial +- work = Efinal

*December 11, 2014*

**Physics**

An 85.7N box of clothes is pulled 26.2m up a 31.7 degree ramp by a force of 112N that points along the ramp. The acceleration of gravity is 9.81 m/s^2 How high does it rise above the point of release? What i got as the equation is Einitial +- work = Efinal

*December 10, 2014*

**math**

A car travel 300 miles on 15 gallons of gas, what is the unit rate?

*November 5, 2014*

**science**

Which statement is true regarding the cost of climate change adaptation discussed in the text? (Points : 1

*February 28, 2014*

**Chemistry**

A gaseous hydrogen and carbon containing compound is decomposed and found to contain 85.63% C and 14.37% H by mass. The mass of 258 mL of the gas, measured at STP, was found to be 0.646 g.What is the molecular formula of the compound?

*February 23, 2014*

**Business Ethics**

Which of the following is NOT one of the key requirements for auditor independence? A. Auditors must disclose all other written communications between management and themselves. b. Public accounting firms must report if they are providing audit services to any company whose ...

*January 5, 2014*

**Business Ethics**

Which of the following represents the top categories of cyberliability, as listed in the text? A. Discrimination and harassment B. Discrimination, harassment, defamation and libel, information leaks, spam, and wasting time online C. Discrimination, harassment, obscenity and ...

*January 5, 2014*

**chemistry**

Calculate the magnitude of the cohesive energy of potassium iodide (KI). The ionic radii of K+ and I−, are 152 pm and 206 pm, respectively. Assume the Born exponent n is 10. Assume a Madelung constant of 1.7. Please report your answer in kJ/mol or how to calculate it.

*September 29, 2013*

**Physics**

When a shuttle bus comes to a sudden stop to avoid hitting a dog, it decelerates uniformly at 5.1 m/s2 as it slows from 9.6 m/s to 0 m/s. Find the time interval of acceleration for the bus. Answer in units of s

*September 16, 2013*

**ctu math**

calculate the interest charge on a $5.000 balance with the visa student card annual interest rate of 10.8%

*August 3, 2013*

**BioStats**

An observational study is conducted to investigate the association between age and total serum cholesterol. The correlation is estimated at r = 0.35. The study involves n=125 participants and the mean (std dev) age is 44.3 (10.0) years with an age range of 35 to 55 years, and ...

*July 5, 2013*

**Statistics**

You have spent a very long time training your dog to open the refrigerator and bring you a drink when you ask him to. Since your pet can’t read, his selection of the specific type of beverage he brings is completely random – although you notice that, for reasons ...

*April 12, 2013*

**Chemistry**

sodium hydrogen carbonate was added so the benzoic acid would dissolve hence leaving the acetanilide and dichloroethane. the benzoic acid and the sodium hydrogen bicarbonate was separated buy adding hydrocholoric acid and then using a suction funnel therefore leaving the "...

*January 23, 2013*

**Chemistry**

Separating a mixture of benzoic acid, acetanilide in dichloromethane An over zealous student decided to conduct this experiment by distilling all the dicholoromethane at the very beginning and then separating the solid residue of benzoic acid and acetanilide by ...

*January 23, 2013*

**statistics**

The latest in the "You may be a redneck if . . . " genre has produced a simple questionnaire. If more than 80% of the questions are answered in accordance with redneck"philosophy" (e.g., "You may be a redneck if grade 4 was the best 5 years of your ...

*December 8, 2012*

**algebra**

How to solve problem step by step 0.08x+0.09x

*November 18, 2012*

**Algebra**

I'm not sure how to format this You are putting fence around a rectangular garden whose length is twice its width. What are the dimensions of the garden?

*October 15, 2012*

**physics**

On your wedding day your lover gives you a gold ring of mass 3.68 g. 54 years later its mass is 3.28 g. On the average how many atoms were abrated from the ring during each second of your marriage? The atomic mass of gold is 197 u.

*August 25, 2012*

**physics**

A tortoise can run with a speed of 11.5 cm/s, and a hare can run 21.4 times as fast. In a race, they both start at the same time, but the hare stops to rest for 126 seconds. The tortoise wins by a shell (18.3 cm). How long does the race take? What is the length of the race?

*August 25, 2012*

**physics**

A driver in a car traveling at a speed of 55.3 mi/h sees a deer 108 m away on the road. Calculate the minimum constant acceleration that is necessary for the car to stop without hitting the deer (assuming that the deer does not move in the meantime).

*August 22, 2012*

**Quimica**

Qual o cÃ¡lculo para a preparaÃ§Ã£o de uma soluÃ§Ã£o de Ã¡cido clorÃdrico a 1%? normalmente o comercializado Ã© (HCL P.A. 37%m/m, 1,18g/ml).

*May 3, 2012*

**Math**

Round 52.23 (with a repeater over the .23) to five decimal places?

*April 30, 2012*

**Calculus AB**

Evaluate the indefinite integral of (ln(x))/(x + xln(x)) dx by using variable substitution. Show all steps of your work.

*February 29, 2012*

**Calculus AB**

I still do not understand how you found g'(x) to be 1/x. Could you please elaborate a little more on the reasoning behind this?

*February 29, 2012*

**Calculus AB**

The integral from a to b of f(x)/g(x) equals ln[(g(b)/g(a)]. Find g'(x), and explain your reasoning.

*February 29, 2012*

**spelling**

writers workshop using commas

*November 28, 2011*

**social studies**

Where did the ancient Olympic Games Begin?

*November 16, 2011*

**geography**

I think it is Oregon because it is farther North

*October 15, 2011*

**statistic**

How can the probability distribution of prices of new cars be described

*September 21, 2011*

**statistic**

How can the probability distribution of prices of new cars be described

*September 21, 2011*

**maths**

give a real world situation in which this concept applied personal

*June 29, 2011*

**statistics**

In a simple linear regression you are told that the estimate of the slope coefficient was 0.9 and that the "t-statistic" for testing whether the slope parameter was unity or not was -3.8. What is the estimated standard error for the estimated slope coefficient?

*May 29, 2011*

**social studies**

Describe the evolution of integration movement in the Caribbean

*March 29, 2011*

**Financial Management**

XYZ International’s bonds mature in 12 years and pay 7% interest annually. If you purchase the bonds for $1,150, what is your expected rate of return?

*March 25, 2011*

**math**

what is the answers to the following: 2x to the second power-3ab+27

*March 22, 2011*

**Chemistry**

Calculate the concentration of OH-(aq) in a solution which [H+] = 100 x [OH-]. Thank you.

*February 18, 2011*

**Math**

how do i do volume of a 3d shape

*February 9, 2011*

**chemistry**

28.09 amu

*September 27, 2010*

**science process**

Ihr seid öde!

*September 8, 2010*

**science process**

I don't no what I must do here: You observed something strenge. You noticed that your pet plant Bob is leaning toward the window in your room. He has been growing toward the window for some time and you wonder why he is doing that. 1.What process will you use to figure out...

*September 8, 2010*

**fiance**

Begin by opening individual savings and checking accounts in your name. Over time, your deposits, withdrawals, and transfers will demonstrate that you can handle money responsibly. Applying for a loan is another option, but be aware that this method of establishing a credit ...

*August 25, 2010*

**algebra**

So just to be clear, I wanted to make sure...the 6 is inside a square root box/sign..does this change ? Thx.

*August 24, 2010*

**algebra**

Diagonal brace. The width of a rectangular gate is 2 meters (m) larger than its height. The diagonal brace measures square root of 6. Find the width and height.

*August 24, 2010*

**algebra**

Sharing cost. The members of a flying club plan to share equally the cost of a $200,000 airplane. The members want to find five more people to join the club so that the cost per person will decrease by $2000. How many members are currently in the club?

*August 24, 2010*

**chem102**

where is the working?

*August 16, 2010*

**algebra**

how do i simplify the following expression ,writing the answer with a positive exponent only? (yz^-2)^4)(2y^-3z^-4)3/4y^9z^-5

*August 8, 2010*

**Algebra**

Decreasing cube. Each of the three dimensions of a cube with sides of length s centimeters is decreased by a whole number of centimeters. The new volume in cubic centimeters is given by V(s) equals s power of 3 - 13s power of 2 + 54s - 72. a) Find V(10). b) If the ...

*August 6, 2010*

**algebra**

Thx!!

*August 2, 2010*

**algebra**

if the diameter of a circle is 1.3*10power -12, what is the radius?

*August 2, 2010*

**algebra**

Thx!

*August 2, 2010*

**algebra**

9*10 power of -4 divided by 3*10 power of -6 What is the scientific notation?

*August 2, 2010*

**psychology**

sorry this doesn't help :(

*May 22, 2010*

**psychology**

i'm trying to find strengths to a deep processing vs shalow processing investigation procedure: 1)class split in half 2)class given 10 mins to remember 24 words 3)each member given piece of paper to write down the words they could remember 4)results taken in i can think of...

*May 22, 2010*

**algebra**

what is 4% of $500 dollars

*April 12, 2010*

**geometry**

Determine whether the triple of numbers can be the sides of a right triangle.

*March 23, 2010*

**social studies**

1) Recreation 2) Religion 3) Education 4) Protection 5) health

*November 20, 2009*

**social studies**

i don't know

*November 20, 2009*

**4th grade**

What is the answer of 40 degrees south and 160 degrees west?

*December 27, 2008*

**Accounting**

BJK Company purchased 1000 shares of its own outstanding $10 par value common stock for $14 per share and then sold 400 shares six months later for $17 a share. Prepare the journal entries for the purchase of the stock and for the sale.

*December 7, 2008*

**accounting**

On March 1, 2008, five-year bonds are sold for $254,013 that have a face value of $250,000 and an interest rate of 10%. Interest is paid semi-annually on March 1 and September 1. Using the straight-line amortization method, prepare the borrower's journal entries on March 1...

*December 7, 2008*

**AP Bio LAB**

would the water potential of potaot cells change if cylinders were alloewd to dry out? in what way? increase or decrease? thanks.

*October 2, 2008*

**AP Bio Lab**

the water potential of a solution is equal to the osmotic potential plus the pressure potential. Since there is no differential pressure acting on the solution, the pressure potential is equal to 0 making the water potential equal to the osmotic potential. If the equilibrium ...

*October 2, 2008*

**Calculus**

Never mind! I figured this one out! It is distributive law, and I used an example and got it! Yay!

*July 3, 2008*

**Calculus**

Use a specific example then expand to the general case to determine what happens under scalar multiplication. That is, determine if k(a * b) = (ka) *b = a* (kb)? What does this even mean? Merci beaucoup. I am thankful for the help.

*July 3, 2008*

**spanish**

i need help on presentacions

*February 12, 2008*

**Principles of Business**

Identify and discuss THREE features which could be used in determining if a company operates in a perfect competition. 1) The company produces something "generic" (e.g., mill lumber) that is also produced by several other compeating companies. 2) The company sells in...

*January 3, 2007*

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