Sunday

November 23, 2014

November 23, 2014

Total # Posts: 233

**chemistry**

the specific heat capacity of mercury is 0.033 cal/(g))degrees Celsius)How many grams of Hg could be raised to 50 degrees celsius from 27 degrees celsius with 381 joules?
*April 16, 2009*

**geometry**

in parallelogram abcd, diagonals ac and bd intersect at e. AE=3x-4, and EC=x+12. what is the value of x? i believe that x=8. i set them as equal and i minus x from 3x and 4 from 12. is this right?
*April 6, 2009*

**math**

if i wanted to solve for r: s=(a/1-r)
*March 21, 2009*

**math.....need help**

Solve the problem. An open box is to be made from a rectangular piece of tin by cutting two inch squares out of the corners and folding up the sides. The volume of the box will be 100 cubic inches. Find the dimensions of the rectangular piece of tin.
*March 21, 2009*

**math**

Solve the problem. Round to the nearest tenth, if necessary. A rock falls from a tower that is 432 feet high. As it is falling, its height is given by the formula h = 432 - 16t2. How many seconds will it take for the rock to hit the ground (h=0)?
*March 21, 2009*

**5th grade**

need answers complete 7 km 8 m = 6 km __m 2. 3mi 27 ft = 2 mi __ ft
*March 5, 2009*

**Calc**

evaluate the indefinite integral: x^13(cos(x^7))dx I've tried using integration by parts but I haven't ssem to be getting the right answer. I've used u=x^13 and dv=cos(x^7) and vice versa... much help is appreciated
*February 26, 2009*

**History/admendment 5**

Mr.Daly is running short on cash and needs to gas up his car. After filling his car up at the local gas station he takes off without paying. He is put on trial and somehow (miraculously for Mr. Daly) he is found innocent. The prosecution finds new evidence that will surely ...
*January 16, 2009*

**calculus**

find dy/dx of xsiny+cos2y=cosy
*December 8, 2008*

**english**

will folded up their map and slid it into his pocket between them they carried torches string a penknife
*August 24, 2008*

**8th grade science**

what is an example of suspension
*August 20, 2008*

**7th grade science**

what is an example of a solid solution>?????
*August 20, 2008*

**science**

why do particles of a solution not seporate?
*August 20, 2008*

**science**

what is one example of a solution?
*August 20, 2008*

**chemistry**

acid
*August 3, 2008*

**math**

complete the table that shows the length of the chain formed when rings are liked in a staright line 1)number of rings 1 length of chain 16mm 2)number of rings 2 length of chain 30m 3)number of rings 3 length of chain 44m 4)number of rings 6 length of chain ( ) 5)number of ...
*May 19, 2008*

**chemistry**

Please calculate the solubility of calcium sulfate in 0.010 mol/L calcium nitrate at SATP. This very question has been bugging me all weekend. Can some one please solve this quesiton it would really be appreciated.
*March 30, 2008*

**chemistry**

Calculate the solubility of zinc hydroxide at 25 °C. The Ksp of Zn(OH)2(s) is 4.5 x 10^-17 at 25 °C? What did I do wrong? Zn(OH)2 <----> Zn2+ + 2 OH- let x = moles/L of Zn(OH)2 that dissolve. This gives us x moles/L of Zn2+ and 2x moles / L of OH- [Zn2+] = x [OH...
*March 30, 2008*

**Algebra**

ã[81x12y8z10]
*March 19, 2008*

**Planets**

Thank you very much. This helps a lot. Marcus, age 10
*March 11, 2008*

**Planets**

Why is Venus hotter than Mercury even though Mercury is closest to the Sun?
*March 11, 2008*

**Science**

How would day and night be different if Earth's axis were not tilted?
*March 7, 2008*

**Math: Geometry**

The circumference of the base of a cylinder is 16 cm. The height of the cylinder is 10cm. a. What is the surface area of the cylinder? b. What is the volume of the cylinder? Need help on this one. I have the formula but I'm a little confused because I don't know what ...
*February 21, 2008*

**Kaplan University**

The Linear equation y=6x-5 graphs as a horizontal/vertical/diagonal line ( choose the correct label and type it below)
*February 19, 2008*

**math**

What is the relationship between shapes and shapes?
*December 19, 2007*

**Math**

What is the relationship between shapes and other shapes
*December 19, 2007*

**media analysis**

Just some sources of info, maybe ideas, i have to do an in-class essay and im having a bit of trouble locating information
*November 15, 2007*

**media analysis**

Who is a jounalist responsible to, they're employer or the viewing public? I also need particular examples of when news has been withheld for the good of the public or vice-versa for profit/ratings. if you can help then thanks :-)
*November 15, 2007*

**7th grade math**

Thank you DrBob222 I am having lots of problems with this homework
*September 4, 2007*

**7th grade math**

place the operation signs (+,-,x, divide) in the order that makes each sentence true 18__6__2=15
*September 4, 2007*

**social studies**

I need names of twenty famous people in world history, who are not americans. Here is web site that will not get 20 but will get close. The disadvantage is that all of them are from or lived in a small town AND it was years ago. You may want newer faces. You can add the names ...
*October 14, 2006*

**4th Grade math**

Solve. I have no digits the same. My thousands digit is less than my tens digit. My hundreds digit is twice my ones digit. If you add my digits, the sum would be 25. Who could I be? Could I be 2 numbers? We can not figure this out. Can someone help please. Let's find out ...
*September 7, 2006*

**spanish**

mis padres y yo ____ de carldo. whats the correct verb
*July 21, 2006*