Wednesday

May 27, 2015

May 27, 2015

Total # Posts: 1,317

**Science**

What has a physical and chemical change at the same time, apart from a candle burning wood.
*December 5, 2006*

**Math Word Problem**

A turtle crawls a hill 2 feet and slides back 1 foot each attempt. How many attempts will it take to reach the 14 foot hill? Please explain. Thanks
*December 4, 2006*

**biology: chitinase**

In an experiment I did, Serratia marcescens grew really well in the Sherry cooking wine I used. Is this because the chitinase that the Serratia marcescens producing binds the carbs with the alcohol?
*December 1, 2006*

**egg weight**

Anyone know the weight of an egg. I need it to do some calculations for my science project. IT depends on the size of the egg. Eggs vary from 35 grams (small egg) to 75 grams (AA large).
*November 30, 2006*

**Math**

How do I use pythagorean theorem if I already know what c is, but I am missing one of the legs? If you know the length of one of the legs, a (besides the hypotenuse, c), then use b^2 = c^2 - a^2 and solve for the unknown leg length, b. This only works IF it is a right triangle.
*November 28, 2006*

**Social Studies . HELP!!!**

What are some foods in Jamestown? Thanks! Are you asking about present Jamestown, Virginia? Or about the colony of Jamestown in 1607? Please clarify your question and we'll be glad to help you find your answer. i need to know all you know about jamestown or at least where ...
*November 19, 2006*

**Algebra**

solve (3,5) and (9,8)
*November 3, 2006*

**Chemistry**

why does inoinzation energy tend to decrease from top to bottom within a group? i'm not sure, but i think it has something to do with the size of the element The electrons involved in ionization, that is, the outermost electrons, are farther away from the nucleus, and are ...
*October 31, 2006*

**math**

what is n! ? It stands for n factorial. For example, if n = 3, then 3! is 1 x 2 x 3 = ??
*October 31, 2006*

**math**

the radius of a circle when the numeric values of the circumference and the area are equal Start with what you know. If you know the formula the area of a circle, and the formula for the circumference of a circle, then you can set them equal to each other...from there you ...
*October 31, 2006*

**math**

only cube that is one less than a square. answer is from 1-31 actually, wouldn't any fraction's cube be less than its square? i.e.: (1/2)^3 = 1/8 (1/2)^2 = 1/4 1/8 < 1/4 julie the answer is from 1 to 31 not a fraction 8 its cubed root is 2 and 3 squared = 9
*October 30, 2006*

**math**

what is 45 times 20 900 900 Do you have a calculator? Do you know how to do multiplication by hand? Tell us what you don't understand. You need to learn how to do this instead of relying on someone to give you the answer.
*October 24, 2006*

**where is the oldest surviving parliament?**

The roots of parliaments are many and diverse. The oldest surviving parliament is generally regarded as being the Althing in Iceland, but a break in its function in the 19th century means that the longest continuous parliament is the Tynwald of the Isle of Man. Among the ...
*October 12, 2006*

**Spanish**

Hey, I have to write a 200-250 word paper on my life in the future as a famous person. I am in a magazine, and i have to write about how my life, career, and family are. I have recieved help from others, and I was hoping someone could double-check my work before I turn it in ...
*September 27, 2006*

**Algerbra**

solve for x ac+x=xy have all terms with x on one side ac=xy-x take x as common factor ac=x(y-1) now solve for x 25a^2 - 9b^4 can u please help me solve and check these equations
*September 26, 2006*

**Spanish**

Hey, I have to write a 200-250 word paper on my life in the future as a famous person. I am in a magazine, and i have to write about how my life, career, and family are. I would appreciate it if someone could proofread my Spanish. Thanks! SPANISH: La revista de prensa rosa, In...
*September 26, 2006*

**mathematics**

what is the factor of x^4-x^2+16 and x^4-7x^2y^2+9y^4 Replace x^2 with b. This would make x^2 turn into b and x^4 turn into b^2.
*July 28, 2006*