# Posts by CHRISTOPHER

Total # Posts: 770

Physics
am sorry but could you explain how you got 7.7 revolutions as your final answer ? I do 19sin of 55 I get =15.5639 and then Im lost , thanks again

Physics
The ball spins at 7.7 rev/s. In addition, the ball is through with a linear speed of 19 m/s at an angle of 55 degrees with respect to the ground. If the ball is caught at the same height at which it left the quarterback's hand, how many revolutions has the ball made in the...

science
Marianne poured salt crystals into water to form a solution.In the solution, which best decribes the salt.

Readind and writing number
It is greater than 43 and less than 52. If you add the digits, the sum is 8. Write the number word

economics
Determine the highest purchase price that a company could afford to pay for the new harvester and still have a positive Net Present Value project. These are the facts: There is an 5 year old harvester with 10 years of life remaining, it was purchased for \$54,000 and has been ...

4 grade FL social studies weekly
HELP SMS SOCIAL STUDIES IS BORING

Ecnomics
Wilpen Company, a price-setting firm, produces nearly 80 percent of all tennis balls purchased in the United States. Wilpen estimates the U.S. demand for its tennis balls by using the following linear specifications: Q= a + bP + cM + dPr Where Q is the number of cans of tennis...

Economics- Managerial
Discuss the statistical significance of the parameter estimates a^, b^, c^, and d^ using the p-values. Are the signs of b^, c^, and d^ consistent with the theory of demand? What is the estimated number of cans of tennis balls demanded? At the values of P, M, and Pr given, ...

Economics- Managerial
Yes, sorry it wasn't added in... a. Discuss the statistical significance of the parameter estimates a^, b^, c^, and d^ using the p-values. Are the signs of b^, c^, and d^ consistent with the theory of demand? b. What is the estimated number of cans of tennis balls demanded...

Economics- Managerial
Wilpen Company, a price-setting firm, produces nearly 80 percent of all tennis balls purchased in the United States. Wilpen estimates the U.S. demand for its tennis balls by using the following linear specifications: Q= a + bP + cM + dPr Where Q is the number of cans of tennis...

Economyst please help
Yes can you elaborate on question A & C please Economyst?

Chemistry Re-Post Please Help
We did a lab on fractional distillation and I am unsure what the three fractions were. I think the first one is ethanol, and the third one is water, but I'm unsure what the middle one is. Would it be an ethanol/water compound? What do you think it would be? Thanks so uch ...

Chemistry
We did a lab on fractional distillation and I am unsure what the three fractions were. I think the first one is ethanol, and the third one is water, but I'm unsure what the middle one is. Would it be an ethanol/water compound? What do you think it would be? Thanks so uch ...

Accounting PLEASE LOOK THIS OVER!
This is not homework, this is a final. Do it yourself!

Science
A scientist needs to take a picture of the well-ordered arrangements of the atoms and molecules within a substance. What instrument would be best for a scientist to use?

Law
A 501 (c) 3 status does not mean you have a tax exempt form, right? 501 (c) 3 status only means you are nonprofit?

Science
Is there a good explanation, of why a ball would roll down a steeper hill faster than a less steep one? ***I can't figure out how to explain it***

Alg 2/trig
I am doing Geometric sequences, but I cannot figure out how to find the Nth term of a geometric sequence. The problem is A1 = 64, Ak+1 = 1/2Ak (That is supposed to be A sub one, A sub k + 1, etc.) The formula for finding the equation is: An = A1 x R^n-1 The answer is: An = 128...

History
Is the growth of democracy a coincidence? how did expansionism shape american relations?

History
was the growth of democracy a coincidence,or did it contribute to the market revolution?

Social Studies
About the U.S. Consitiution not the Magna Carta

Social Studies
Why did colonists want a written constitution?

Math
It is square root symbol

Math
How do you do this: 1/2(3ã3)(18)

Social Studies
Thank you....

Social Studies
who is the house of representatives elected by? who is the senate elected by?

History
what are the strengths and weaknesses of the confederacy?

Physics
THE oBJECT IS PULLED BY A FORCE PARALLEL TO THE SURFACE THER IS NO FIRCTION

Science
What is a word for when a gene pair blends together?

5 th grade Math
2n sqed

Science
I am having trouble finding a 7-letter word for the type of light a firefly makes, and a 10 letter word for the type of light a lightbulb makes.

science
diseases and their systems caused by the deficiency of minerals eg. calcium phosphorous, sodium, potassium, iron, iodine and fluorine. preventive food to control these diseases

Molly
THank you

Molly
What is a good definition for electricial charge? (I can't put in good words)

spanish
estoy esto estas esta estamos estais estan

Science
Do humans use more metals or nonmetals?

Social Studies
THANKS!!

Social Studies
Where did the Puritins settle in the New World? Where did the Pilgrims settle in the New World?

Social Studies
How did England colonize in the North America for political reasons? Answer ASAP Thanks

Science
How can differences in solubility be used to separate a mixture of solids?

Science
no

Science
room temp

Science
I don't know my teacher just gave the question

Science
4.Which characteristic property must two solids differ if they are to be separated merely by being dissolved at room temperature and filtered?

Science
How can drinking water be obtained from seawater? Remember: seawater has a lot of materials in it besides salt.

9th grade preap english
my teacher's name is linda black and i hate her she sucks at her job she thinks we are in college

social studies
The Mississippi River

social Studies- textbook, The American Nation
Also, what is culture? and what does it include?

Social Studies
Thanks!

Social Studies
what are the three kinds of evidence thet archeoligists study? Please help. It's my birthday.

Social Studies
Also, what is culture? and what does it include?

Social Studies
Thanks! But that's more than 3. Is there 3 main ones?

Social Studies
what are the three kinds of evidence thet archeoligists study?

language arts
I like to play ball. a candy bar is part of my name? PLEASE ANSWER IT FOR ME!!!!

Science
What is process of turning sugar into acid?

psychology
I need help to find the anwers for this question. what feminist perspectives and issues of particular importance to women do you see in each case with hillary clinton and obama barraka. Second question: How are they alike, and different. with the two candidates. thanks

Circumference,Radius, Diameter
diameter gahhhh

Math
The answer is 0

psychology
I need help in finding answers to this question: learing language as a child is no different than that of learning anything else. I need to argue that, that statement is correct. thanks

AP Chem
I am really having a hard time with this question. Which of these compounds will exhibit optical isomerism? Show why. a) CH3CH2CONHC2H5 b) CH3-CH-NO2 CH2-COOH i don't even know where to begin.

physics
An animal-rescue plane flying due east at 36.0 m/s drops a bale of hay from an altitude of h = 69.5 m. If the bale of hay weighs F = 176 N, what is the momentum of the bale the moment before it strikes the ground? Give both magnitude and direction. helppp!!

Science
What type of transport supplies a cell with glucose?

Chem
A solution is made by mixing 50.0 g C3H6O and 50.0 g of CH3OH. What is the vapor pressure of this solution at 25 degrees C? What is the composition of the vapor expressed as a mole fraction? Assume ideal solution and gas behavior. (At 25 degrees C the vapor pressures of pure ...

Chem
I'm having a lot of trouble with a simple problem. I have a 3.0% by man solution of H2O2 in H2O. The density of thr solution is 1.0 g/mL. I need to find the molarity. How do I do this? So far I have: 3.0g H2O2 x 1 mol/34.02 g= .0881 mol I'm not sure where to go or what...

English
“When my grandfather was in the hospital and was close to death, my parents did not take me to see him, as most parents with younger children would not. The reason behind this action is that they want the child to remember this person before they were frail and weak.”...

Chemistry
Given the following information about xenon normal boiling point = -108 degrees C normal melting point = -112 degrees C triple point = -121 degrees C at 281 mmHg critical point = -16.6 degrees C at 58 atm a) Construct an appropriate phase diagram for xenon [I did this.] b) ...

Chem.
Nitrogen oxide (NO) has been found to be a key component in the many biological processes. It also can react with oxygen to give the brown gas NO2. When one mole of NO reacts with oxygen, 57.0 kJ of heat is evolved. a) Write the thermochemical equation for the reaction between...

AMERICAN
WHO ARE THE PURITANS? A member of a group of English Protestants who in the 16th and 17th centuries advocated strict religious discipline along with simplification of the ceremonies and creeds of the Church of England. I hope this helps THANX :)

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