Saturday

August 2, 2014

August 2, 2014

Total # Posts: 25

**mathematics **

If z=xy f(x/y), show that x dz/dx + y dz/dy = 2z

**calculus**

Based on data from 1999 to 2001, the rate of change in the annual net sales of Pepsi-Cola North America may be modeled by R(t) = −131t − 749.5 million dollars per year and the rate of change in the annual operating profit may be modeled by P(t) = 12t + 76 million d...

**English**

write a story with these words

**math help**

4xpix8x8

**chemistry**

convert 725mm Hg into equivalent kPa

**chemistry**

what pressure would have to be applied to a 27.2 ml sample of gas at 25 Celcius and 1.00atm to compress its volume to 1.ooml without a change in temperature

**physics**

A tortoise and hare start from rest and have a race. As the race begins, both accelerate forward. The hare accelerates uniformly at a rate of 1.2 m/s2 for 4.3 seconds. It then continues at a constant speed for 11.7 seconds, before getting tired and slowing down with constant a...

**business**

Brown Inc. has just paid its monthly bill,what balance sheet and income statement accounts will this transaction affect?

**algebra**

solve 8x+4=3x+8

**math **

Use compatible numbers to estimate each difference.

**Math**

find an expression for the magnitude of the initial velocity that a projectile must possess in order to leave the earth when air friction is negelcted. The gravitational constant is given as G= 6.67428*10^-11 m^3 kg^-1 s^-2 Please give lots of details in answer

**Chemistry**

Please ignore my previous answer in which I assumed that [A-] = [H+]. I think [A-] should be calculated using the partial titration data, and [H+] is known from the pH. My latest attempt is below: 0.0447 L total neut'n with NaOH 0.03443 L partial neut'n 0.1 M NaOH 0.00...

**Chemistry**

anyone else get the same answer? 0.0447 L total neut'n with NaOH 0.03443 L partial neut'n 0.1 M NaOH 0.00447 moles T Total 0.04720169 T (M) 0.003443 moles P Partial 0.040779344 P (M) 4.8 pH 1.58489E-05 [H] = [A-] 3.91117E-08 Ka

**Physics**

An aluminum block slides along a horizontal surface. The block has an initial speed of 11.6 m/s and an initial temperature of 10.7°C. The block eventually slides to rest due to friction. Assuming all the initial kinetic energy is converted to heat energy and all this energ...

**chemistry**

if you start with 1.25g of Cu, calculate the amount that will precipitate

**8th grade science**

what functions does a nuclear membrane, chromatin, and nucleolus have

**social studies**

yes because they could have gave the an education, helped the financially, and could have made laws against racism and segregation right then and there

**Math**

If a shot is fired directly upward at 1200 feet per second from a ground elevation of 8oo feet above sea level, how high would it go above the ground level? Thanks, Gerry

**Math**

Two cards are drawn with replacement from an ordinary deck of 52 playing cards. What is the probability that the first card is a heart and the second card is a diamond?

**social studies**

what role did italy play in the resistance during world war 2

**lAM**

Calculate the density of oxygen, , under each of the following conditions: STP 1.00 atm and 25.0 C

**Project Management**

I need these answers badly

**critical thinking**

I am sorry but I just don't get it.. This course is making me crazy.. please help.

**critical thinking**

What fallacies, if any, are present in the following passage? Can you please give reasons for your answer, that is, if you say that a fallacy has been committed, then show where the fallacy occurred, and explain why you think it is a fallacy? Background: In this passage, Willi...

**Ethics ADJ 235**

As a manager you are charged with maintaining the business you are in. Your friend has breached the terms of his employment and you have a duty to report him to the appropriate authority or to demand he return or pay for the merchandise. This would be followed by his firing or...

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