Tuesday
October 21, 2014

Posts by Michelle


Total # Posts: 1,612

Physical Science
49 y pr 49.2
October 29, 2010

how come no one is helping on physics questions!!!
Same here.
October 28, 2010

Religions of the world
What is the nature of God in Confucianism?
October 28, 2010

Physics
A proton and an electron have the same kinetic energy upon entering a region of constant magnetic field. What is the ratio of the radii of their circular path?
October 27, 2010

physics question
A 278-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.870, and the log has an acceleration of 0....
October 27, 2010

science
state the chemical reagent that is used to demonstrate that expired air contains carbon dioxide
October 24, 2010

9th
The electricity costs of a business increased from $18,000 one year to $19,000 the next. To the nearest whole percent, what was the rate of increase?
October 23, 2010

6th grade literature
i help on page 31 god
October 22, 2010

6th grade literature
i help on page 31
October 22, 2010

Phychology
expectation plays an importand role in?
October 22, 2010

physics
16. How much work is done on a bookshelf being pulled 4.00 m at an angle of 35.0„a from the horizontal? The magnitude of the component of the force that does the work is 87.0 N
October 22, 2010

physics
a satelitee breaks in half while in circular orbit about the earth
October 21, 2010

algebra
also I don't know how to figure this out either, 5|x+7|+14=8
October 21, 2010

algebra
I'm working with absolute values, and for some reason I'm just really stumped by this problem. 7=|3x+9|+7 I don't see how I can get any number that will make the equation equal 7?
October 21, 2010

College Organic Chemistry
Why are fractionating towers in a refinery always tall?
October 21, 2010

College Organic Chemistry
Suggest what would be the result if we heated a mixture of dichloromethane and naphthalene to 60 degrees Celcius, collected distillate until no further material distilled, and then cooled the flask back to room temperature.
October 21, 2010

College Physics
A coil has a horizontal axis. Its current goes North on top. What is the direction of the magnetic field inside this coil?
October 20, 2010

Thermochemistry
When 1 mol of a gas burns at constant pressure, it produces 2426 J of heat and does 6 kJ of work. What is Delta H, q, and w?
October 18, 2010

chemistry
Based on the mass of O2 produced can you calculate the gram molecular weight? Chem lab on oxygen production 10g KClO3 reacts with heat to produce 2KCl(s)+3O2.What is the mass produced? 10g/122.6=0.0816 mole of KClO3 0.00816x3moleO2/2moleKClO3=0.1224 moleO2 0.1224 molex32g O2/...
October 18, 2010

writing
I need to write several sentences describing a interaction with a friend or family member about personal finance or credit cards, using five different pronouns in the sentences. Can you please give me some understanding or examples?
October 17, 2010

Thermochemistry
A total of 2.00 mol of a compound is allowed to react in a foam coffee cup that contains 167 g of water. The reaction caused the temperature of the water to rise from 21.0 to 24.7 degrees C. What is the enthalpy?
October 17, 2010

Thermochemistry
It takes 45.0 J to raise the temperature of an 9.70 g piece of unknown metal from 13.0 degrees C to 24.5 degreesC. What is the specific heat for the metal?
October 17, 2010

Math
1. Look at the two monomials below. 9u3v2w4 15u4v4w3 What is the least common multiple (LCM) of the monomials shown above? 3u3v2w3 45u4v4w4 45u3v2w3 3u4v4w4
October 15, 2010

DERIVATIVE!!!
9(x-5)^2/3
October 14, 2010

Math-Calc AB
e^(-x/2) + xe^(-x/2) = 0 solve for x
October 14, 2010

math
Distribute: 2b-6+5=3b-3 Isolate b: -b=-2 b=2
October 14, 2010

Thank you Reiny
Thanks I think I somewhat get it-Thanks again for the explanations
October 12, 2010

Please check-Reiny
Could you check these two problems? 3sqrt (y+2) = 3 is y = 25 Answers were: true or false I said true because I did it like this Square both sides=y + 2 = 3^3 y+2 = 27 y = 25 and sqrt (2y-6) = 3-y for y answes are: no solution 5 3,5 3 I said 3 because I did it like this: 8y -...
October 12, 2010

Algebra-Please help me!
Thank you
October 12, 2010

Algebra-Please help me!
Hi, I'm totally stuck! Problem: sqrt(x-3) = sqrt (2) -sqrt(x) I know I square them to get them out of square roots but after that I'm stuck- answers: -25/8 25/8 no solution 1/8 Please show me how its done Thank you
October 12, 2010

Chemistry
A gas mixture contains 1.16 g N2 and 0.89 g O2 in a 1.49 L container at 16 degrees C. What is partial pressure of N2 & O2? *I already know the mole fraction for N2 is 0.60, and 0.40 for O2. I just don't know where to go from here.
October 11, 2010

Chemistry
Imagine that you have a 5.50 L gas tank and a 3.50 L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 155 atm, to what pressure should you fill ...
October 11, 2010

Critical Reading
thanks very much
October 10, 2010

Critical Reading
It is true that every author has some bias? I would say true, but then I am not sure if this means in general or if you are able to tell in there writing true or false
October 10, 2010

Critical Reading
false?
October 10, 2010

Critical Reading
Inductive arguments leave no room for doubt as to the truth of their conclusions. true or false
October 10, 2010

Critical Reading
Thank you so much for your help, I was having a hard time with my questions, this site is great. thanks again!
October 10, 2010

Critical Reading
so outlining the content is that meaning the whole paper? I was confused
October 10, 2010

Critical Reading
c?
October 10, 2010

Critical Reading
As a critical reader, before you begin an evaluation you should be able to a)highlight and underline interesting facts. b) outline the content. c)locate the author's conclusion
October 10, 2010

Critical Reading
false
October 10, 2010

Critical Reading
Critical readers would not ask the same questions of themselves that they ask of the writer's work. true or false thanks!
October 10, 2010

Critical Reading
thx!!
October 10, 2010

Critical Reading
Making inferences is an abstract critical thinking skill that involves the active and blended use of several sources of information, including a.)the application of the basiic method of problem solving b)using background knowledge,personal experience, and clues/facts of the ...
October 10, 2010

math-algebra
I got 422.08 but it says that is still wrong can you help
October 9, 2010

math-algebra
A launched rocket has an altitude, in meters, given by the polynomial h = vt -4.9t^2, where h is the height, in meters, from which the launch occurs, at velocity v in meters per second, and t is the number of seconds for which the rocket is airborne. If a rocket is launched ...
October 9, 2010

CALCULUS!!!(revised) please help
A price (in dollars) and demand for a product are related by 2x^2-5xp+50p^2=21200 If the price is increasing at a rate of 2 dollars per month when the price is 20 dollars, find the rate of change of the demand. Rate of change of demand =
October 7, 2010

CALCULUS!!!
A price (in dollars) and demand for a product are related by If the price is increasing at a rate of 2 dollars per month when the price is 20 dollars, find the rate of change of the demand. Rate of change of demand =
October 7, 2010

bus stats
60% of households have internet, what is the probability that 3 randomly selected households will have internet?
October 6, 2010

posting again! please help!! physics
A skateboarder, starting from rest, rolls down a 14.0-m ramp. When she arrives at the bottom of the ramp her speed is 7.40 m/s. (a) Determine the magnitude of her acceleration, assumed to be constant. (b) If the ramp is inclined at 20.5° with respect to the ground, what is...
October 6, 2010

physics!!
A skateboarder, starting from rest, rolls down a 14.0-m ramp. When she arrives at the bottom of the ramp her speed is 7.40 m/s. (a) Determine the magnitude of her acceleration, assumed to be constant. (b) If the ramp is inclined at 20.5° with respect to the ground, what is...
October 5, 2010

3rd grade
write in order from least to greatest the six numbers whose digits are 2, 8, and 9
October 5, 2010

physics
A block of weight w = 25.0 N sits on a frictionless inclined plane, which makes an angle = 25.0 with respect to the horizontal, as shown in the figure. A force of magnitude F= 10.6 N , applied parallel to the incline, is just sufficient to pull the block up the plane at ...
October 3, 2010

Physics
yes, he will be able to make it to the other roof.
October 2, 2010

Medical
Select an accreditation agency and name an area of records management that is affected by its guidelines? How does accreditation affect the practical activities of record management in hospitals?
October 2, 2010

PHYSIC help!
a cart is pushed uphill on a ramp, goes up and momentarily stops, and then goes back down. predict the position vs. time, velocity vs. time, and the acceleration vs. time for this. IDK how to do this! i tried on the first one. on the graph, i have it looking like an upside-...
September 30, 2010

social studies
litigants?
September 29, 2010

8TH Grade social studies
what does the constitution define treaty as?
September 29, 2010

math
The diameters of a wooden dowel produced by a new machine are normally distributed with a mean of 0.55 inches and a standard deviation of 0.01 inches. What percent of the dowels will have a diameter less than 0.57?
September 28, 2010

childcare
1 A check text book 2. is correct 3. is D 4. is A Everything else looks good
September 28, 2010

childcare
I would love to help, what is the name of the book. I remember taking this test...
September 28, 2010

accounting
What is the adjusting entry to this problem on Dec 31st? On October 15, the school agreed to teach a four-month class (beginning immediately) for an individual for $3,100 tuition per month payable at the end of the class. The services are being provided as agreed, and no ...
September 23, 2010

math
In a local college, 60% of the math majors are women. Fifteen math majors are chosen at random.
September 21, 2010

math
mary has 22 ribbons some of the ribbons are first place what expression shows how many of mary ribbons are not for first place
September 21, 2010

math
The theater group performed on Friday and Saturday night. Three hundred and twenty four attended on Friday, and 33 more attended on Saturday. How many people saw the show?
September 19, 2010

math
I have been asked to identify the "situation" in a story problem. What does that mean?
September 16, 2010

3rd grade math
Using four different digits, what is the least sun you can get when you add two 2-digit numbers? Write your problem.
September 16, 2010

Calculus
f(x)= x^3; f(x)= (x+DELTAx)-f(x)/ x^3
September 15, 2010

Cultural Diversity
What are the linguistics of Puerto Rican Americans
September 13, 2010

Cultural Diversity
What does familial conventions or statuses mean? Thank You
September 12, 2010

Environmental Science
What is a few terrestrial resource issues? I have to pick one to do a powerpoint and I need some ideas. Thank You
September 10, 2010

com155
In the passage below bold the adverbs and underline the adjectives. NYPD Detectives Christopher Danson and P.K. Highsmith (Dwayne Johnson and Samuel L. Jackson) are the baddest and most beloved cops in New York City. They don’t get tattoos – other men get tattoos of ...
September 4, 2010

Environmental Science
what are the health and environmental effects of sulfuric acid (H2SO4)?
August 28, 2010

Environmental Science
What are the sources of sulfuric acid (H2SO4)?
August 28, 2010

Cultural Diversity
what are two to three characteristics of Orientalism? How may Orientalism and prejudice contribute to hate crimes against Muslim and Arabic groups?
August 26, 2010

math Help
(-infinity, -2), (-2,0), (0,2), and (2, infinity)
August 24, 2010

Chemistry
What concentration of aqueous CaCl2 solution freezes at -10.2ºC? The freezing point of pure water is 0.0ºC and Kf of pure water is -1.86ºC/m. A. 5.48 m B. 11.0 m C. 1.83 m D. 6.12 m E. 2.74 m
August 21, 2010

Cultural Diversity
What years did Sojourner Truth help free slaves and become visible in the fight against slavery through her speeches and publications?
August 21, 2010

Cultural Diversity
what year did Harriet Tubman help develope the Underground RailRoad?
August 21, 2010

Algebra
-2x+y+3z=7 x+2y+z=4 2x-3y-2z=-10 How do you solve this?
August 20, 2010

statistics
The ages of students at a university are normally distributed with a mean of 21. What percentage of the student body is at least 21 years old?
August 17, 2010

Cultural Diversity
Through out history have the Colonized English been effected by any of the following forms of discrimination, or did they participate in any of the following forms of discrimination? Dual labor market, environmental justice issues, affirmative action, redlining, double ...
August 15, 2010

Cultural Diversity
What does "glass ceiling, glass walls, or glass escalator mean"?
August 15, 2010

Algebra
Commuting students. At a well-known university, 1/4 of the undergraduate students commute, and 1/3 of the graduate students commute. One-tenth of the undergraduate students drive more than 40 miles daily, and 1/6 of the graduate students drive more than 40 miles daily. If ...
August 11, 2010

reimbursement methods
what formula do i follow for reimbursement the hospital receives from medicare
August 9, 2010

college chemistry
When solutions of AgNO3 and NaOH react, the balanced molecular equation is 2AgNO3(aq) + 2NaOH(aq) Ag2O(s) + 2NaNO3(aq) + H2O(l) How much Ag2O is produced when 0.200 g of AgNO3 and 0.200 g of NaOH react?
August 7, 2010

math
rewrite the statement using percent notation out of every100 eligible people 87 voted in a recent election
August 7, 2010

math
2/3/10=1.8/r
August 7, 2010

Algebra
Volume of a container? A cubic shipping container had a volume of a^3 cubic meters. The height was decreased by a whole number of meters and the width was increased by a whole number of meters so that the volume of the container is now a^3+2a^2  3a cubic meters. By how ...
August 5, 2010

Math-please check my answer
Find the slope of the following points(8,9) and (10,-9) -9 - 9 / 10 - 8 = -18/2 = -9 is the slope?
August 1, 2010

math-PLEASE HELP
so it would be -9 - 9 / 10 - 8 = -18/2 = -9 is the slope?
August 1, 2010

math-PLEASE HELP
Find the slope of the following points(8,9) and (10,-9)
August 1, 2010

math-please check my answer!!
5x-7y=-14 7y-5x=14 what is the solution of the system of equations? ANSWER IS B??? A) A point B)Infinitely many solutions C) no solution Is the system consistent ot inconsistent? ANSWER IS CONSISTENT Is the system dependent or independent? ANSWER IS DEPENDENT??? Are my answers...
August 1, 2010

math-word problem
The width of a rectangle is fixed at 21cm. What lengths will make the perimeter greater than 80cm. Please help with this word problem I do not even know where to begin.
July 31, 2010

math
Evaluate a+b/6 for a =33 and b=15 33+15/6 48/6 8<-----is my answer is that correct?
July 31, 2010

math-please check my answer
Find the slope of these two points (3,5)and (-5,-2) Is the slope 3?
July 31, 2010

math-please check my answer
Translate the following the product of 47% and some number (using q for some number) .47q is my answer correct?
July 31, 2010

math-please check my answer
what is the slope of the following 2 points (0,-3) and (0,5) Please help I think the slope is -3 am I right?
July 31, 2010

math
what is the slope of the following 2 points (0,-3) and (0,5)
July 30, 2010

math-please check my answer
0.6x + 4 < 1.0x - 1 6x + 40 < 10x - 10 4x > 50 x > 12.5 can someone please check my work and tell me if I am right?
July 30, 2010

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