Monday

November 30, 2015
Total # Posts: 319

**AP Chemistry**

I know this is such an easy question, but I completely forgot how to do it. Can someone please help me out? Thanks. If 57.84 g of nickel (Cp = 0.0946 J/g Degrees C) originally at 97.4 degrees C is placed into a calorimeter with 48.24 g of water (Cp = 4.184 J/g degrees C), it ...
*October 4, 2007*

**Physics**

1.Can something have energy without having momentum? -No, it can have P.E. and no K.E., however if the object has no K.E. then it doesn’t have no velocity therefore it has no momentum. 3. If a 20 kg object fell to the surface of the Earth from a height of 30 m, what would...
*September 23, 2007*

**Physics**

I have some physics problems that I would like to get checked please?
*September 23, 2007*

**Algebra**

Could you please help in finding the domain? Thanxs! Find the domain of the function. g(x)= 3x/(x^2 -49)
*September 14, 2007*

**Functions**

I need help with the following problems please? How do I make a transformation using g(x)=|x-2|? How do I graph g(x)=f(x+1)? How do I graph g(x)= -f(x)+2? How do I graph g(x)=1/(3)x+3? How do I grahp g(x)= f(x-1)-2
*September 14, 2007*

**Functions**

How do I graph g(x)=f(x)+1?
*September 14, 2007*

**economics- opportunity cost**

i dont know
*September 10, 2007*

**math**

Thank you Cyleste
*September 4, 2007*

**math**

Thank you Michael
*September 4, 2007*

**math**

which of the following professonal baseball playershad the best batting average during 1999 season a. 188 hits in 620 at bat b.181 in 575 at bat c. 152 hits in 601 at bat? i chose b but i am not sure i am right please help me
*September 4, 2007*

**Fucntion Changes**

I am having some trouble figuring out to find where a graph decreses and increases. These are the directions: Identify the intervals where the functionis changing as requested. 5. On this graph it wants to find where it is increasing. How would I find out where the graph ...
*September 1, 2007*

**Piecewise Function**

The following questions I dont understand, could you please help me? Thanxs! Evaluate the piecewise function at the given value of the independent variable. 3. g(x){x^2+2 if x can not equal 2 {x+8 if x=2 Determine g(-5) options: a.-5, b.3, c.3/7, d. -27/7 4.f(x) {-5x+4 if x<...
*September 1, 2007*

**Algebra II**

I have some questions on my assignment, if you dont mind could you look over my answers. thanxs! Find all the numbers that must be excluded from the domain of the rational expression. x+8/x^2-16, my answer: x cant be -4 or 4 x-3/x^2+11x+24, my answer: x cant be -3 or -8 ...
*August 13, 2007*

**PLEASE HELP SOLVE RIDDLE**

solve this please
*March 23, 2007*

**biology**

Question: Calculate the frequency of the AA, Aa, and aa genotypes after one generation if the initial population consists of 0.2 AA, 0.6 Aa, and 0.2 aa. What I have done is: P = (0.2)+(0.5)(0.6)= 0.50 q = 1-p = 1 - 0.50 = 0.50 Can someone check my answer plz.
*December 7, 2006*

**the big idea of energy**

energy is neither lost or gained in a chemical reaction. you can never create or destroy energy
*December 5, 2006*

**PHysics**

Vector a has a magnitude of 5 m and is directed east. vector b has magnitude of 4m and is directed 35 degrees west of north. A)What is the magnitude and direction of vector a + vector b b)What is the magnitude and direction of vector b- vector a? I should have gotten a)4.2m at...
*October 2, 2006*

**Language Arts**

What is a text feature? This term refers to a variety of things, depending on how you want your text to look -- on a page, on a website, etc. http://www.answers.com/text%20feature =)
*September 17, 2006*

**Language Arts**

What is a text reference? The most common understanding of that term is a statement of the place (book, article, website, or ??) where you got some information that you used in a quotation or a paraphrase. These text references need to appear in two places in a paper, as this ...
*September 17, 2006*