Saturday
September 20, 2014

Posts by MIKE


Total # Posts: 3,162

Physics
A 2.40 kg mass, m, on a frictionless table is moving in a circle with radius 0.500 m at a constant speed. m is attached to a 5.70 kg mass, M, by a cord through a hole in the table. Find the speed with which m must move for M to stay at rest
September 30, 2011

C#
Write a program that displays your initials in a pattern on the screen. Compose each initial with six lines of smaller initials, as the following example: J FFFFFF J F J FFF J F J J F JJJJJJ F
September 29, 2011

Programming using C#
Write a program that displays your initials in a pattern on the screen. Compose each initial with six lines of smaller initials, as the following example: J FFFFFF J F J FFF J F J J F JJJJJJ F
September 28, 2011

geometry
What is the perimeter of PQR with vertices P(–2, 9), Q(7, –3), and R(–2, –3) in the coordinate plane?
September 22, 2011

Gov
what was the overall problem with the Articles of Con.? give 4 examples that illustrate the problem
September 17, 2011

Math
A sofa and chair have a total price of $ 600 not including tax. The tax rate is 6.25 %. Find the tax on the sofa if the price of the chair is $200. (a)$ 625 (b)$ 637.50 (c)$ 25 (d)$ 612.50 (e)$ 47.50
September 15, 2011

Marketing
Explain in detail how you would use the new-product development process if you were thinking about offering some kind of summer service to residents in a beach resort town
September 14, 2011

math
51200 customers customers decline each year by 3.8% what is the approx # of cust after 14 years
September 14, 2011

science
I have a question I was wondering if someone could give me a link or idea how to find the answer: What structure on HIV makes it necessary for the virus to be transmitted in moist secretions?
September 13, 2011

math
polynomials (3x + 1)(2x - 5)
September 13, 2011

spanish/chech
translate to spanish our father's office -la oficina de nuetro padre 2-translate the possesine adjective in parentheses into spanish -su escuela(their) can you check my answer thank you
September 13, 2011

spanish/check
translate to spanish our father's office -la oficina de nuetro padre 2-translate the possesine adjective in parentheses into spanish -su escuela(their) can you check my answer thank you
September 13, 2011

Chemistry
Magnesium metal reacts with HCl solution, liberating H2 gas and generating Mg2+ cations in solution. A 1.890-g sample of Mg metal is added to 125.0 mL of a 4.00 M HCl solution, and the reaction goes to completion. How many grams of H2 are formed?
September 13, 2011

Chemistry
Magnesium metal reacts with HCl solution, liberating H2 gas and generating Mg2+ cations in solution. A 1.890-g sample of Mg metal is added to 125.0 mL of a 4.00 M HCl solution, and the reaction goes to completion. How many grams of H2 are formed?
September 13, 2011

Algebra
The relation is a function containing two ordered pairs. Reversing the components in each ordered pair results in what relation not being a function. A) {(0, 2), (0, 3)} B) {(2, 3), (3, 2)} C) {(3, 1), (4, 1)} D) {(4, 5), (2, 3)}
September 11, 2011

calculus
given that f(x)=x^11h(x) h(-1)=4 h'(-1)=7 find f'(-1)
September 10, 2011

chemistry
The vapor pressure of water at 25.0 C is 23.8 mm Hg. If 250. mL of water is placed in a chamber with a volume of 1.00 cubic meters, how many mL of water will evaporate
September 6, 2011

algebra
amy paid 78.42 for a pair of running shoes during a 25% off sale what was the regular price?
September 6, 2011

world history
Which civilizations were likely to have contact with each other?Why? _answer: Indus valley and Shang because they are close geographically B)Between which lines of latitude did early civilizations develop? Why? _Between lines of 20N and 40N. Because at this latittude they have...
September 5, 2011

algebra
(5x-4)/3=12
September 4, 2011

Physics
Suppose you are given that z = c x2 y4 where c is some number. For a particular value of c, x and y, z is equal to 7. Suppose x is decreased by a factor of 2.6 and y is increased by a factor 4. What is the new value of z?
September 1, 2011

Calculus
Infinite series question. an=2+(0.99)^n Converge or Diverge?
August 31, 2011

geometry
m<AOC=7x-2, m<DOC= 2x+8,m<EOD=27
August 30, 2011

Math
2 minutes
August 29, 2011

psychology
Much of brain research you have read about in this chapter was carried out using animals. In many studies, it is necessary to euthanize animals to study their brain tissue directly. Many people object to this practice, but others say it is justified because it advances ...
August 29, 2011

Math
Write 0.2 in the form a/b using integers to shoe that it is a rational number
August 28, 2011

Math Place Value
Please!!! Need help with this question asap!!!
August 22, 2011

Math
Sue's friens Kat has these numbers 89378, 42327,49734 and teacher has shown a 3, how many points will Kat have? What digit does she hope teacher will pull next week so she has the highest score?
August 22, 2011

Chem
Consider the balanced chemical equation: 3Sr(OH)2(aq) + 2H3PO4(aq) → Sr3(PO4)2(s) + 6H2O(l). How many moles of Sr(OH)2 remain if 0.10 mol of H3PO4 react with 0.40 mol of Sr(OH)2?
August 20, 2011

english
Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show. · Bold each adverb. · Underline each adjective. · Compare the event to one or more similar events. When comparing, ...
August 14, 2011

statistics
A simple random sample of FICO credit rating scores is listed below: 714 751 664 789 818 779 698 836 753 834 693 802 Find range, variance, and standard deviation.
August 7, 2011

University of Phoenix
inventory turnover ratio analysis for Dell Inc.FINANCIAL STATEMENTS April 29,2011 and January 28,2011
August 5, 2011

Math
What is the answer to the below math problem? 78000 x (1.7% x 20 years) + (1% x 10 years)
July 26, 2011

Basic Statistics
A population of 200 voters contains 52 Republicans, 128 Democrats, and 20 independents and members of other parties. A simple random sample of 20 voters will be drawn from this population. The expected number of Republicans in the sample is ______ ? The standard error of the ...
July 25, 2011

4th grade math
40
July 25, 2011

Basic Statistics
A population of 300 voters contains 147 Republicans, 135 Democrats, and 18 independents and members of other parties. A simple random sample of 30 voters will be drawn from this population. Consider repeatedly drawing simple random samples of size 30 from the population (...
July 24, 2011

statistics
Two dice are rolled and two fair coins are tossed. Let X be the sum of the number of spots that show on the top faces of the dice and the number of coins that land heads up. The expected value of X is _____ .
July 22, 2011

statistics
Two dice are rolled and two fair coins are tossed. Let X be the sum of the number of spots that show on the top faces of the dice and the number of coins that land heads up. The expected value of X is _____ .
July 22, 2011

intermediate algebra
Short answer find the quotient 6x^3-x^2-7x-9 ------------ 2x+3
July 22, 2011

algebra
this could be a start if the website could find its file:o(
July 21, 2011

Math
A cylinder is inscribed in a right circular cone of height 8 and radius (at the base) equal to 2.5. What are the dimensions of such a cylinder which has maximum volume? What is the radius, and height?
July 20, 2011

intermediate algebra
find the product.(7x^2-y)(7x^2+y)
July 20, 2011

intermediate algebra
find the product. (5x-6y)(5x+6y)
July 20, 2011

intermediate algebra
Find the product. -9y^2(y^4+8y^3-y^2+8y+7)
July 20, 2011

intermediate algebra
plz help I'm lost word problems
July 19, 2011

intermediate algebra
Essay. Show all work. find the quotient: 49a^2-b^2 --------- 7a-b
July 19, 2011

intermediate algebra
Essay. Show all work. find the quotient: y^4+3y-1 -------- y^2-3
July 19, 2011

physics
Five boxes, each having weigh 100N, are stacked up. The bottom box is the fith from the top. What is the magnitude of the normal drove upward exerted by the fourth box from the top on the third box from the top
July 19, 2011

algebra
Essay. Show all work. Find the following quotient: 36x^2-49y^2 ----------- 6x+7y
July 18, 2011

algebra
short answer. find the following quotient: x^2-36 ------ x+6
July 18, 2011

algebra
find the following product:(x-3)(x+3)
July 18, 2011

algebra
short answer. find the following product -7z(-8z^3+3z^2+8)
July 18, 2011

algebra
find the following product: 5x^2y(-4x^5y^4)
July 18, 2011

algebra
One of the authors of this text is moderately active, weighs 87kg, is 185cm tall and is 59 yr old. what are his daily caloric needs?
July 18, 2011

algebra
Essay; show all work. Find the product: (1/7x^2-2/5)(1/2x-1/2) any help would be appreciated
July 17, 2011

chemistry
If I have 30 glucose molecules, how many CO2 molecules will that produce?
July 14, 2011

chemistry
if someone has a blood sugar number of 200 after 12 hours of fasting, what would you tell the patient?
July 14, 2011

chemistry
if a sample of alloy containing magnesium and metal that doesn't react wtih hydrochloric acid are reacted, how much heat would be evolved from a 5 gram sample that is 30% magnesium?
July 13, 2011

statistic
Identify the level of measurement for the following? 1)What state/country were you born? 2)What is the temperature outside rigth now? 3)Rank all of the courses you are currently.The class you look most forward to taking will be rank one ,next two ,and so on . what is the rank ...
July 13, 2011

statistic
Identify the level of measurement for the following? How long does it take you to drive to the school on average ( to the nearest minute)
July 12, 2011

math
thank you. It worked
July 11, 2011

math
the computer said my answer was correct like this (a/b)+(1/d)=(1/c) but I need to do the reciprocal of (1/c) and I dont know how that will look in the equation
July 11, 2011

math
I need help with rearranging this equation to isolate c a=b((1/c)-(1/d)) I got this (a/b)+(1/d)=(1/c) but I dont know the last step with the reciprocal. Could someone please help, thank you
July 11, 2011

Math
is it then a=(ef/d)-(b/c) ?
July 11, 2011

Math
Hi I need help with this question. Rearrange this equation to isolate a ((a+(b/c))(d/e)=f I know you first should divide both sides by (d/e) Can anyone help, thanks
July 11, 2011

chemistry
Why can’t ethyne be turned into trans or cis isomers?
July 10, 2011

physics
thank you!
July 8, 2011

physics
A car traveling 95 km/h slows down at a constant 0.80 m/s^2 just by "letting up on the gas. A) Calculate the distance it travels during the second second. B) Calculate the distance it travels during ninth second.
July 8, 2011

Chemistry
Compare the water solubility and expected BP of propanol, propyl acetate, and acetic acid. Briefly explain why the difference are evident. Thanks!!
July 7, 2011

stats
If other factors are held constant, how does increasing the sample variance affect the value of the independent-measures t statistic and the likelihood of rejecting the null hypothesis?
July 3, 2011

Physics
A rectangular coil of 70 turns, dimensions 0.100 m by 0.200 m and total resistance 10.0 ohms, rotates with angular speed 32.0 rad/s about the y axis in a region where a 1.00 T magnetic field is directed along the x axis. The rotation is initiated so that the plane of the coil ...
July 2, 2011

Physics
How much heat must be transferred to each kilogram of aluminum to bring it to its melting point, 660°C, from room temperature, 20°C?
June 29, 2011

albebra
Thanks drwls, I knew the answer, I just don know how to properly express it in an algebraic formula? Thanks
June 29, 2011

albebra
The answer is the easy part, but how do I express it in an algebraic formula? Ken purchased an investment property for 245,000 and sold it at a 12% loss. How much did he sell it for?
June 29, 2011

trig
A 115 foot foot casts a 147 foot shadow, what is the degree of elevation to the sun
June 28, 2011

Math
Find the probability of the following if there are 30 students in the class who have been numbered and you use a calculator to generate random numbers between 1 and 30. A number less than 10.
June 28, 2011

overton high
two crates weigh 9kg and 14kg with a force of 195 newtons. what is the acceleratio?
June 26, 2011

statistics
Find the value of t(10, 0.01)
June 22, 2011

math
A cube has 6 sides. Each side has a number from 1 to 6. Each number is used only once.
June 18, 2011

persuasive essay
need help checking grammar errors please and how good is it? Credits cards have some positive value to them from being able to make big purchases, to making an everyday purchase. This reminds me of a quote said by John Mc Donald’s “Everything that has a positive side...
June 17, 2011

grammar
5.The external oblique fascia was then incised, and the incision was lengthened in the direction of the fibers. pls let me know all verbs in this sentence.
June 15, 2011

calculus
Differentiate. sqrt((6x^2 + 5x + 1)^3)
June 14, 2011

calculus
Differentiate. sqrt((6x^2 + 5x + 1)^3)
June 14, 2011

Algebra
Given a= -3 and b=4 and c= -5, evaluate |c-a-b|
June 13, 2011

Trig
URGENT, Please answer this question: give the value of: Tan(Arctan x+1/x-1+Arctan x-1/x)
June 11, 2011

Trig
give the value of tan(arctan x+1/x-1+arctanx-1/x)
June 9, 2011

algebra/trig
1. find domain f(x)=(sqrt(x^(2)-9))
June 8, 2011

algebra/trig
1.Find the domain f(x)=ã(x^(2)-9) 2. Find all six trig functions for (-3,4)
June 8, 2011

math
Suppose the cost of producing x items is given by C(x)=1000-x^3, and the revenue made on the sale of x-items is R(x)=100x-10x^2. Find the number of items which serves as a break-even point.
June 6, 2011

math
John owns a hotdog stand. He has found that his profit is represented by the equation P(x)=x^2 + 12x + 46, where x is the number of hotdogs. What is the most he can earn?
June 6, 2011

Algebra
x= } 1/ã2
May 31, 2011

trig
y = sin (3x-2pi)
May 30, 2011

eco
A?
May 26, 2011

HISTORY
In the eleventh and twelfth centuries, the Song Dynasty had all of the following characteristics except equal status for men and women?
May 26, 2011

History
Why was president Johnson impeached and do you think it was the right action to take? * I have to write a paragraph on this and was wondering if someone could explain it a little better to me because from what im reading it says the impeachment didnt work because they didnt ...
May 24, 2011

med
Making use of the following terms, write a fictitious medical report of about two paragraphs describing a dermatologic condition or disease. Focus the report on the onset, progression, location, and etiology of the condition or disease, and the treatment parameters. All terms ...
May 23, 2011

chem.
What is an ionic substance made from?
May 22, 2011

chem.
If 130.0 g Zn reacts, what mass of ZnCL2 are produced?
May 22, 2011

biology/honors
Charle Darwin made theory of natural selection but couldnt explain why there is variation within populations. Explain two reasons why there is variation within population ? PLEASE help me answer this question is for my test
May 20, 2011

biology/honors
How does genetic variation lead to speciation ? Can you help me answer this question please for the review test ? thank you .
May 19, 2011

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