Wednesday

November 25, 2015
Total # Posts: 13

**Calculus, derivatives**

Derivative of y=(a^x)+(x^a). Show steps, please.
*June 27, 2015*

**Chemistry**

Which of the following statements describes why ion exchange of 99% SiO2 - 1% B2O3 in a salt bath of molten postassium chloride (KCl) is not an effective way to increase the surface strength of the glass sample? The ion exchange works correctly, however both air-cooling and ...
*October 30, 2013*

**Math**

I want to build a landscaping block garden oval with twelve inch blocks. I want the second row to come out even. How would I figure this out.
*April 27, 2013*

**Math**

Yes, it was from yesterday, sorry if I should've just put this in that post. But thanks a bunch for checking my work.
*February 14, 2012*

**Math**

Can you check my work Please? Let N(t) be the number of bacteria after t days. Then N(t) = Pa^t for some constants P and a. Measurements indicate that N(4) = 5600 and N(8) = 362, 000 1. Write down the formula for N(t) using the rounded values of a and P. (But remember to use ...
*February 14, 2012*

**Math**

Can you Check my work please? Let N(t) be the number of bacteria after t days. Then N(t) = Pa^t for some constants P and a. Measurements indicate that N(4) = 5600 and N(8) = 362, 000. b. Write down two equations for P and a, one when t = 4 and the other when t = 8. c. Use ...
*February 13, 2012*

**Chemistry**

How many 9.5 gram ice cubes will you have to put into 500 ml of water to cool the water from 22°C to 18°C?
*November 14, 2011*

**Epidemiology**

You are right but I'm having some difficulties
*October 17, 2010*

**physics**

A 3000 pound car is pushed 500 feet by three boys, a force of 60 pounds is required to move the car. How much work did the boys accomplish? How much work can each boy claim if he did his share?
*March 30, 2008*

**math**

A 3000 pound car is pushed 500 feet by three boys. A force of 60 pounds is required to move the car. How much work did the boys accomplish? How much work can each boy claim if he did his share?
*March 30, 2008*

**math**

How much work does a 120 pound boy do in climbing to the top of the Washington Monument - a climb of 550 feet? If the climb in problem 2 takes 20 minutes, what is the average horsepower produced by the boy?
*March 30, 2008*

**math**

The head of a round piston has a pressure of 210 psi pushing down on it. The piston is 3 inches in diameter. What is the force pushing the piston down?
*March 30, 2008*

**Art History**

How do the Parthenon and Ise Shrine relate to their worshipers in different ways using ritual processions and ceremonies? How does accessibility to the inner portions of both complexes reflect their different political systems?
*February 23, 2008*

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