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Questions Asked on November 17, 2007

Prove:cos4x = 8cos^4x - 8cos^2x + 1 My Attempt: RS: = 4cos^2x (2cos^2x - 1) + 1 = 4 cos^2x (cos2x) + 1 LS: = cos2(2x) =
1. 38 answers
2. asked by Anonymous
3. 2,804 views
Use the data in Table 5.4 to calculate the partial pressure of He in dry air assuming that the total pressure is 1.0 atm.
1. 3 answers
2. asked by mel
3. 2,365 views
This is the assignment. What would you suggest your boss change in the following email message, and why? Would you consider this
1. 1 answer
2. asked by Cupcake
3. 2,317 views
a coast guard ship is traveling at a constant velocity of 4.20m/s, due east, relative to the water. on his radar screen the
1. 2 answers
2. asked by ajo
3. 1,754 views
How would I go about solving these problems?In Exercise 9 we suggested the model N(1152,84) for weights in pounds of yearling
1. 1 answer
2. asked by Courtney
3. 1,606 views
In 1897 the Swedish explorer Andree tried to reach the North Pole in a balloon. The balloon was filled with hydrogen gas. The
1. 5 answers
2. asked by mel
3. 1,537 views
A reason why absorption costing income statements are sometimes difficult for the manager to interpret is that:A)they omit
1. 1 answer
2. asked by matt
3. 1,535 views
N2 + 3H2 --> 2NH3At 25°C (delta)Ho = -92.22 kJ and (delta)So = -198.53 J/K. Using this information, calculate the equilibrium
1. 1 answer
2. asked by Chem
3. 1,496 views
Prove:sin2x / 1 - cos2x = cotx My Attempt: LS: = 2sinxcosx / - 1 - (1 - 2sin^2x) = 2sinxcosx / - 1 + 2sin^2x = cosx / sinx - 1 =
1. 5 answers
2. asked by Anonymous
3. 1,491 views
Why is it impossible to build a machine that produces more energy than it uses?
1. 2 answers
2. asked by yanira
3. 1,271 views
Suppose that the length of a rectangle is 3 inches longer than the width and that the perimeter of the rectangle is 78.Set up an
1. 1 answer
2. asked by Alicia
3. 1,266 views
A tennis club offers two payment options:Option1: $35 monthly fee plus $4/hour for court rental Option 2: No monthly fee but
1. 3 answers
2. asked by Alicia
3. 1,240 views
I had to take cereal crush it up and place it in a crucible and cook it tell it was black ash. Then I took that burnt ceral and
1. 1 answer
2. asked by Suzy
3. 1,238 views
How many milliliters of NH3 (at STP) are needed to react with 45.0 mL of NO2 (at STP) according to the equation:8NO2 (g) + 6NH3
1. 2 answers
2. asked by Lucy
3. 1,206 views
Please check my answer thanks :)Give an example of paternalism prevailing over autonomy? My answer is ... Requiring a Jehovah's
1. 2 answers
2. asked by Anonymous
3. 1,100 views
Hey DrBob, I posted an answer to you question on my lab report just to let you know what the y= and r^2 is
1. 5 answers
2. asked by Suzy
3. 1,094 views
I need someone to help refute this sentence .If Zoe and don't quarrel for a whole week, they'll go on vacation to the mountains.
1. 1 answer
2. asked by Diane
3. 1,070 views
Parents may help to save for their children’s university education using Registered Education Savings Plans (RESPs). Under the
1. 2 answers
2. asked by A
3. 1,069 views
Item: Raw Materials (cost for hamburgers)Total Annual Cost: 650 Item: Building Rent Total Annual Cost: 9000 Identify which cost
1. 1 answer
2. asked by vdan
3. 1,049 views
solve by using the quadratic formula:x2 plus x minus 2 equal 0 I know the formula is a=1 b=1 c=2 I'm having trouble
1. 1 answer
2. asked by kate
3. 1,029 views
What is a theocratic society?
1. 4 answers
2. asked by Jennifer
3. 1,012 views
Resource:Alternative Energy VLRDue Date: Day 5 [Individual] Forum View the Alternative Energy VLR located under the Week Eight
1. 5 answers
2. asked by Pizza
3. 996 views
is this a linear equation4xy + 2y = 9
1. 2 answers
2. asked by Kayla
3. 985 views
Can you please check my answer:Solve the problem. A person with no more than $4000 to invest plans to place the money in two
1. 1 answer
2. asked by Soly
3. 898 views
1. TV gives us a lot of pleasure.2. TV gives a lot of pleasure to us. Sentence 1 is a Sentence Pattern Four sentence. This
1. 2 answers
2. asked by John
3. 896 views
N2 + 3H2 --> 2NH3At 25°C (delta)Ho = -92.22 kJ and (delta)So = -198.53 J/K. Using this information, calculate the equilibrium
1. 0 answers
2. asked by Chemistry
3. 882 views
A spherical glass container of unknown volume contains helium gas at 25°C and 1.950 atm. When a portion of the helium is
1. 4 answers
2. asked by mel
3. 814 views
A Bird Is Judged On Its LooksOn a bright warm sunny day everything stood quiet in the Finch's yard. A mockingbird stood on top
1. 1 answer
2. asked by shylo
3. 789 views
A certian radioactive isotope has a half-life of 1 hour. If you start with 1 gram of the material at noon, how much of the
1. 4 answers
2. asked by Judy
3. 756 views
I'm doing a project in my geometry on a career that involves geometry. I'm doing mine on a cabinet maker. My teacher says that
1. 2 answers
2. asked by Emily
3. 720 views
e.g. The bar graph below shows the TV viewing habits of Koreans.In this sentence, what is the part of speech of 'below'? Can we
1. 1 answer
2. asked by John
3. 683 views
Are large and powerful firms easier targets for union organization than small firms?
1. 1 answer
2. asked by Sharp
3. 659 views
Plot the following points on the given rectangular coordinate system by clicking on the given dots and dragging them.Points to
1. 1 answer
2. asked by Cupcake
3. 658 views
What is the real value of x in the equation log(subscript 2)24-log(subscript 2)3=log(subscript 5)x?I really cannot remember at
1. 1 answer
2. asked by Natalie
3. 652 views
Can anyone tell me what the Contrapositive is for this sentence?Jane or Tom will wake up Tanner this evening. Compound: Yes
1. 1 answer
2. asked by Diane
3. 649 views
This sentence I think is slippery slope.There is no value at all in Heidegger's philosophy, especially his ethics,since he
1. 5 answers
2. asked by Diane
3. 642 views
What if my p value is below 0.05 does it reject or fail the null hypothesis
1. 4 answers
2. asked by LT
3. 640 views
I do I correct the prediaction sentences below?Our resolutions should begin at midnight on January 1. The reason for the cat’s
1. 4 answers
2. asked by Samantha
3. 624 views
Is baking powder an acid or an alkali?
1. 0 answers
2. asked by MO
3. 622 views
In theory, the law should treat everyone equally. However, in practice, this is not the case for many reasons. Young offenders
1. 1 answer
2. asked by xxCeLoL
3. 622 views
In the event of Hurricanes in the Gulf Coast and the Market affected by event is Gulf Coast tourism is there a Shift in supply,
1. 1 answer
2. asked by Anonymous
3. 622 views
given the reaction -Fe(s)+H2SO4(aq)->FeSO4(aq) + H2(g) the volume of the balloon was 4400m^3 and the loss of hydrogen gas during
1. 0 answers
2. asked by mel
3. 618 views
Parents may help to save for their childrens university education using Registered Education Savings Plans (RESPs). Under
1. 0 answers
2. asked by A
3. 617 views
review the educational funding issues for New Jersey. Try to find information about the affect of school choice options on
1. 3 answers
2. asked by MONICA
3. 602 views
Who are teenagers? They are young people who are from thirteen to nineteen. Look at the words such as thirteen,
1. 1 answer
2. asked by John
3. 600 views
1. In measuring the amount of ATP and NADPH consumed by the Calvin cycle, you find 30,000 molecules of ATP consumed but only
1. 0 answers
2. asked by J
3. 598 views
Rewrite the following sentences with dangling modifiers.1. Flying over the oak tree, the farmer saw the flock of birds that had
1. 3 answers
2. asked by Tammi
3. 598 views
Can someone help me find some information that supports the idea that the Irish Potato Famine was really genocide?
1. 1 answer
2. asked by maggie r
3. 596 views
List five events which have occurred after 1987 that you feel have most markedly altered your economic/technical future.i have
1. 1 answer
2. asked by julie
3. 595 views
John, Jack, Joan and Jane are Art Critic, Aviator, Acrobat and Architect, though not necessarily in that order. The aviator, who
1. 3 answers
2. asked by julie
3. 584 views
The verb exercise is a regular verb. Exercise has a consonant and a silent e at the end, so you should edd just d to the end.
1. 2 answers
2. asked by John
3. 557 views
If I have birth rate, death rate, rate of increase in percent, how can I calculate the population doubling time?
1. 0 answers
2. asked by Karen
3. 557 views
Assume that a random sample is used to estimate a population proportion p. find the margin of errror E that corresponds to the
1. 0 answers
2. asked by Heather
3. 541 views
For x such that 0<x<ƒÎ/2, the expression�ã(1-cos^2 x)/sinx + �ã(1-sin^2 x)/cosx is equivalent to: 0, 1, 2, -tanx or sin2x
1. 1 answer
2. asked by Annie
3. 532 views
1. You should read problem books to pass the test.2. I watch TV on the sofa leaning against the back of the sofa. 3.You should
1. 4 answers
2. asked by John
3. 517 views
how do you do polynomials monomials and trinomials
1. 1 answer
2. asked by kamal
3. 512 views
If anyone could please help me with this!!Jane or Tom will wake up Tanner this evening.Compound: Yes Conditional: Yes
1. 1 answer
2. asked by Diane
3. 508 views
Okay theres another part to this equation and I'm not sure if this is the right answer either.5x+6y=18 solve for y. 6y = 18-5x y
1. 1 answer
2. asked by Alicia
3. 504 views
This is what I have came up with so far, but it says to plug in another value for x in number 2, what does this mean?So the
1. 1 answer
2. asked by Alicia
3. 503 views
okay so using y = (-5/6)x + 3 how do i find the corresponding value for y when x = 12?here was the previous work to the problem.
1. 2 answers
2. asked by Alicia
3. 496 views
A friend of mine is planning on becoming an insurance agent, he is trying to decide whether he should represent just one
1. 0 answers
2. asked by Justin
3. 493 views
I'm still having trouble with this problem. Can someone please explain the steps to me.-2x+4>12 Is this the next step?
1. 3 answers
2. asked by Alicia
3. 480 views
How do you tell if the null hypothesis rejects or fails?
1. 3 answers
2. asked by LT
3. 461 views
What do you believe in the future of Asian diversity in America?
1. 1 answer
2. asked by Danny
3. 461 views
Find y' :y= (8-2x^2)/(root of (8-x^2))
1. 1 answer
2. asked by mo
3. 444 views
I need to know what else would I put into my discussion part of my lab report
1. 0 answers
2. asked by Suzy
3. 443 views
How would I refute this sentence please?Mike Smith should not be a presidential candidate.After all, he has never held office.
1. 2 answers
2. asked by Diane
3. 435 views
This is what I have came up with so far, but it says to plug in another value for x in number 2, what does this mean?1. So the
1. 0 answers
2. asked by Alicia
3. 434 views
Are fetal-protection policies discriminatory? Why?
1. 1 answer
2. asked by Bruce
3. 434 views
can someone help me write a sentence that says "I hope that he......."
1. 1 answer
2. asked by maggie r
3. 415 views
Can someone check my work for me again! I really appreicate it, I'm not the best at this.(1/3)x+(3/4)x = 13 (4/12)+(9/12)x = 13
1. 1 answer
2. asked by Alicia
3. 411 views
does thermodynamics have a direct effect on a food chain?
1. 1 answer
2. asked by dawn
3. 401 views
can someone check my answer for me please!5x+6y=18 solve for y 6y=18-5 y=3-5/6x
1. 4 answers
2. asked by Alicia
3. 399 views
we can't do z-score for binomial distribution, can we?
1. 1 answer
2. asked by Anonymous
3. 365 views
Is everyone having fun?
1. 1 answer
2. asked by MO
3. 339 views

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