Thursday
December 18, 2014

Posts by MAry


Total # Posts: 3,316

Biostats
What statistical methods a researcher can use to determine if weights of the children in pounds are normally distributed or not?
December 4, 2012

Legal Issues in Health Sciences
You are the head of the health information management department at a hospital. An FBI agent has arrived at your office with a search warrant in hand. He asks to speak with you about the hospital's helth records. How should you respond?
December 2, 2012

history ASAP
1900's
December 2, 2012

history ASAP
why did the environmental movement prove to be so divisive? Whose interest were threatened?
December 2, 2012

7 th grade math
A phone call cost $3 minute Imput (x) rule output(y) 1 5 10 20
December 1, 2012

Math
can not be simplified any further unless you want 1 and 5/7
November 29, 2012

chemistry
Cisplatin, a drug used in the treatment of certain types of cancer has the molecular formula Pt(NH3)2Cl2. How many moles of compound are in 254.09 grams of the compound?
November 29, 2012

US Government
Using a graphic organizer describe the conditions of American citizenship
November 29, 2012

PHYSICS - PLEASE HELP
Part A: A cardinal (Richmondena cardinalis) of mass 4.50×10^−2 kg and a baseball of mass 0.142 kg have the same kinetic energy. What is the ratio of the cardinal's magnitude p(c) of momentum to the magnitude p(b) of the baseball's momentum? Part B: A man ...
November 28, 2012

PHYSICS - PLEASE HELP
A car is traveling at 10 m/s. By what factor does the car's kinetic energy increase if its speed is doubled to 20 m/s?
November 28, 2012

Phy
A 17kg child slides down a 2.7m -high playground slide. She starts from rest, and her speed at the bottom is 1.8 m/s. What is the change in the thermal energy of the slide and the seat of her pants?
November 28, 2012

probability
the one that says sum: and ways: that is what the book says!
November 27, 2012

probability
two fair six-sided dice are rolled and the sum of the dots on the top faces is recorded. a) complete the table, showing the number of ways each sum can occur sum: 1 2 3 4 5 6 7 8 9 10 11 12 ways:1 2 3 b)use the table to find the probability of the following events. A:the sum ...
November 27, 2012

math
yancey collects plastic banks. He has three different banks: a pig,a cow and a horse. How many ways can Yancey arrange his banks on a shelf?
November 27, 2012

Physics
Part A: A cardinal (Richmondena cardinalis) of mass 4.50×10^−2 kg and a baseball of mass 0.142 kg have the same kinetic energy. What is the ratio of the cardinal's magnitude p(c) of momentum to the magnitude p(b) of the baseball's momentum? Part B: A man ...
November 27, 2012

chemistry
Balance the following equations. Show all work. MnO4- + Zn -> Mn2+ + Zn2+
November 27, 2012

Statistic
In chi square goodness of fit test, if the expected frequencies, and the observed frequencies were quite different, we could conclude that: A) null hypothesis is false, and we would reject B) chi square distribution is invalid, and use t distribution instead C) alternate ...
November 27, 2012

physics
12. The ratio of the tensile (or compressive) strength to the density of a material is a measure of how strong the material is “pound for pound.” (a) Compare tendon (tensile strength 80.0 MPa, density 1100 kg/m3) with steel (tensile strength 0.50 GPa, density 7700 ...
November 26, 2012

STATISTICS
Scores on the LSAT are approximately normally distributed. In fact, published reports indicate that approximately 40 percent of all test takers score at or between 145 and 155, and about 70 percent score at or between 140 and 160. The full range of scores is 60 pts (120–...
November 26, 2012

chem
the max # of grams of K that can be obtained from 100.grams of KHCO3?
November 24, 2012

chemistry
At what temperature would you expect dinitrogen pentoxide to sublime? N2O5(s)-->N2O5(g) N2O5(s)= DELTA H -43.1 N2O5(s)= S (J*K1-*MOL1-)= 178.2 N2O5(g)= DELTA H 13.3 N2O5(g)= S (J*K1-*MOL1-)=355.7 where do i start here?
November 24, 2012

chemistry
Balance this chemical equation. Cr2O7 2-(aq) + Cu(s)---> Cr3+(aq) +Cu2+aq) I don't understand how to do this problem. Where do i begin? thank you.
November 24, 2012

Leading Innovation Global Organization
define and analyze ways in which innovation at HCL Technologies will likely be influenced by trends shaping global markets.
November 21, 2012

Microsoft Infrastructure
You remember learning that remote RADIUS server groups offer some benefits to a network with multiple RADIUS servers. Research those benefits and decide if making changes to your network is necessary. Describe the findings of your research concerning the benefits of remote ...
November 21, 2012

history ASAP
in what sense did the us seem to be developing into two nations in the 1950 and 1960's . What was really happening ? Did it stop ? why?
November 18, 2012

math
how many lines can connect 3 coplanar points?
November 18, 2012

intermediate accounting
purchase of a machine for $2000 was expensed. The machine has a four year life , no residual value , and straight line depreciation is used how to write journal entry?
November 17, 2012

intermediate accounting
goods in transit, purchased on credit and shipped FOB destination. $10000 . were included in purchases but not in the ending inventory? how would you write this journal entry.( this company uses periodic inventory.
November 17, 2012

Math
A cubic centimeter is the same as 1 mL. If a humpback whale has more than 1 kL of blood, how many cubic centimeters of blood does the humpback have?
November 16, 2012

math
6*2
November 15, 2012

chemistry
what is the total pressure in a gas mixture of 100 mm hg O2, 820 mm hg N2, and 1.5 mm hg CO2?
November 14, 2012

chemistry
what is the total pressure in a gas mixture of 100 mm hg O2, 820 mm hg N2, and 1.5 mm hg CO2?
November 14, 2012

english
Is this sentence correct? A sheet lied on the rug to catch paint splatters.
November 14, 2012

Business
I would like you to explain the implications of the article and apply some aspects of the article in a paragraph, like implicating imformation about the article.
November 13, 2012

Business
Explain, in several paragraphs (no more than four), the implications of the Malcolm Gladwell article, "How David Beats Goliath." Apply some aspects of the article to your experience and future.
November 13, 2012

Chemistry
How many grams are in 50.0 mL 2.0 M of HCl? Please help me!!! I think the answer is 3.57g but I am not sure. Thank you :)
November 13, 2012

Windows Infrastructure
You need to download a large document (100 Mb) from your local network. This document contains the blueprints for a multi-million dollar invention and should not fall into the hands of competing companies. Which should you use to download this document: a dial-up connection or...
November 13, 2012

physics
an arrow was shot at a suspended clay target. the original KE the arrow was shot with was 2.0 J. the final KE from the arrow-target collision was 0.2 J. What happened to the original KE of the arrow? Give at least four possible ways in which this KE could have been lost. I ...
November 12, 2012

Physics B
A 89.2 kg ice skater, moving at 16.1 m/s, crashes into a stationary skater of equal mass. After the collision, the two skaters move as a unit at 8.05 m/s. Suppose the average force a skater can experience without breaking a bone is 4296 N. If the impact time is 0.096 s, what ...
November 12, 2012

Physics B
Part 1 Calculate the magnitude of the linear momentum for each of the following cases: A proton with mass 1.67×10 −27 kg moving with a speed of 5.24 × 10 6 m/s. Answer in units of kg · m/s Part 2 A 15.1 g bullet moving with a speed of 327 m/s. Answer ...
November 12, 2012

trig
(1 + sinx)(secx - tanx) = cos x
November 11, 2012

trig
tan^2x/1 + tan^2x = sin ^2 x
November 11, 2012

trig
cos^2 A/ 1+sin A
November 11, 2012

Precalculus
The question(s) are as follows: Given: f(x) = 3cos(3x+π) - 4 Find: a) the inverse of F(x) b) the domain and range of F(x) c) the domain and range of F -1(x) I got cos-1[(x-4)/9] - π = y for the inverse, although I'm not sure I did the problem right (I set x to y ...
November 11, 2012

algebra
The basic formula is rate x time = distance. Since the freight train and the passenger train are traveling the same distance, the rate x time for each train equals the other. Let t = the time for the freight train. Then t-2 would equal the time for the passenger train, since ...
November 11, 2012

Precalculus
The question(s) were as follows: Given: f(x) = 3cos(3x+π) - 4 (as you thought) Find: a) the inverse of F(x) b) the domain and range of F(x) c) the domain and range of F -1(x) I got cos-1[(x-4)/9] - π =y for the inverse, although I'm not sure I did the problem ...
November 11, 2012

Precalculus
How would I go about finding the domain and range of 3cos(3x+π) = 4? Thanks
November 11, 2012

social studies
The Demographic Transition Model
November 11, 2012

maths
find the whole number solutions to each of these inequalities. q1. 3<2x-1≤17 q2. 5≤g-3≤12 q3. 8<5c≤20
November 11, 2012

Sociology
This unit we learned about the various social statuses in the U.S. Identify and describe each status. How are they similar and how do they differ? Into which social status do you fit and why do you feel this way
November 9, 2012

Economics
The slope of the consumption function equals: A. 1-MPS B. 1/(1-MPS) C. 1-MPC D. MPC/MPS E. MPS
November 9, 2012

Economics
Consider the simple economy of Behr, whose government does not tax its citizens. The consumption function of Behr is given by: C=500+.8Y, where Y is income. the autonomous consumer spending in this economy is: A. $1000 B. $800 C. $500 D. $.80 E. $1800
November 9, 2012

Algebra
What is the rule?? INPUT OUTPUT ______ 12 9 ______ ______ 6 ______ 16 7 _______
November 7, 2012

Physics B
Objects with masses of 105 kg and 528 kg are separated by 0.482 m. A 41.1 kg mass is placed midway between them. 0.482 m b b 105 kg 41.1 kg 528 kg Find the magnitude of the net gravitational force exerted by the two larger masses on the 41.1 kg mass. The value of the universal...
November 6, 2012

Science
A 52kg tricyle left a child's yard at 3m/52. What is its force ?
November 6, 2012

geography
omg thanks i needed help on that one too! still working on the other parts
November 4, 2012

stats
if you know the mean and standard deviation, how do you determine the proportion that will and will not be included
November 4, 2012

Physics B
part 1 A coordinate system (in meters) is constructed on the surface of a pool table, and three objects are placed on the coordinate system as follows: a 1.5 kg object at the origin, a 3.4 kg object at (0 m,1.8 m), and a 4.5 kg object at (4.2 m,0 m). THANK YOU!! Find the ...
November 4, 2012

Physics B
A coordinate system (in meters) is constructed on the surface of a pool table, and three objects are placed on the coordinate system as follows: a 1.5 kg object at the origin, a 3.4 kg object at (0 m,1.8 m), and a 4.5 kg object at (4.2 m,0 m). Find the resultant gravitational ...
November 4, 2012

Math
Jane is x years old today. Her brother Kenny is 4 years older. After seven years their total combined age will be 24 years. Write a linear equation for their total combined age after seven years. Fine James age today.
November 3, 2012

Math
There are 40 questions on a class test. Six points are given for each correct answer and three points are deducted for each wrong answer. Find the number of correct answers for a test score of 105.
November 3, 2012

chemistry
Calculate the grams of solute needed to prepare each of the following. 55.0 ml of a 6.50 hcl solution.
November 2, 2012

Physics B
An air puck of mass 0.289 kg is tied to a string and allowed to revolve in a circle of radius 0.51 m on a horizontal, frictionless table. The other end of the string passes through a hole in the center of the table and a mass of 0.98 kg is tied to it. The suspended mass ...
November 1, 2012

Physics
An air puck of mass 0.289 kg is tied to a string and allowed to revolve in a circle of radius 0.51 m on a horizontal, frictionless table. The other end of the string passes through a hole in the center of the table and a mass of 0.98 kg is tied to it. The suspended mass ...
November 1, 2012

7th grade math ASAP please
2 is 43:51 4 is 15 packs for 3.95 10 is NO IDEA!!! Sorry for the last question but I hope I was a help on the first 2!!! :D Good luck on your Maths homework!! :D
October 30, 2012

college algebra
list the intercepts and test for symmetry. y=-8x/x^2=49
October 28, 2012

financial accounting
The lake theater opened on april 1.all facilities were completed on march 31. During april,the following events and transactions occured. Apr.2 paid film rental of $800 on first movie. 3 ordered two additional films at $1,000 each. 10 made $2,000 payment on mortgage and $1,000...
October 27, 2012

Physical Science
Sound travels about 1530 m/s in sea water. How many times faster does sound travel in sea water than in air? (The speed of sound in air at 25°C is about 345 m/s.)
October 24, 2012

chemistry
onic compounds have names that... (choose all that apply) might contain Roman numerals. might start with ammonium. start with the name of an anion. have prefixes, like di or penta. start with the name of a nonmetal.
October 22, 2012

chemistry
What is the chemical formula of the compound that forms between lithium (Li) and phosphorus (P)?
October 22, 2012

math
-2a+2=-14 -2a=-16 a=-16/-2 a=8
October 22, 2012

Accounting
I am given several hypothetical amounts and interest rates and need to find the amount of the rental payments. (Lessee-Lessor Entries; Sales-Type Lease) On January 1, 2011, Palmer Company leased equipment to Woods Corporation. The following information pertains to this lease. ...
October 22, 2012

math
Tina'goal this month is to earn$10,000.She earns $13,500 in total. What percentage did she meet her goal
October 21, 2012

business
why might a buyer want to participate in an industry consortium marketplace instead of setting up their own business
October 18, 2012

business
describe 3 departments that should be included in a small towns web site
October 18, 2012

Physics
Thank you!
October 18, 2012

Physics
would the radius be half of the 0.40m?
October 18, 2012

Physics
correction the velocity is 0.7 m/s
October 18, 2012

Physics
Determine the tension in a 40 cm long pendulum when a bob of mass 200g moving at 0.7 m.s is 15 degrees from the vertical?
October 18, 2012

math
how many feet are in 4 yards
October 17, 2012

science
Is glucose molecules broken down in both hases of respiration?
October 17, 2012

science
need help with what are the raw materials of respiration and their products?
October 17, 2012

english
Is the verb intransitive or transitive in this sentence? Jazz began in New Orleans.
October 17, 2012

GEN 105
• Describe how each practice activity reinforced or contradicted something about yourself
October 17, 2012

Math
What is the difference between counting the spaces between whole numbers and counting the tick marks?
October 16, 2012

Statistics
If you roll two dice what is the probablity of getting one 2? I think the answer is 1/6 but I'm not sure
October 13, 2012

chem
Yes, your states of matter are wrong. Since they are aqueous solutions, hydrogen and hydroxide should be written as (aq) not (g) since niether are gases.
October 13, 2012

physics
what device could use th earth's magnetic felds to produce energy and how it would work?
October 12, 2012

Math
a) Find the product (1/2x2+y2) x-y b) Simplyfy 5/3a2b x (-3/4ab3) x (-4/5a2b2) and find the value for 2= -2 and b= 1. c) Divide x (5x2 - 80 by 5x (x+4). Thanks in anticipation.
October 8, 2012

Math
what is the written form of .6045?
October 5, 2012

MATH
DIVIDE 64 BUNDLES OF NEWSPAPERS INTO TWO GROUPS SO THE RATIO IS 3 TO 5
September 30, 2012

algebra
Thank you
September 26, 2012

algebra
making linear equation from word problem At low altitudes, the altitude of a parachute and time in the air are linearly related. A jump at 2,880 ft use the US army T-10 parachute system last 120 sec. (A) find a linear model relating altitude a (in feet) and time in the air t (...
September 26, 2012

algebra
Thank you so much
September 26, 2012

algebra
making linear equation from word problem An airspeed indicator on aircraft is affected by changes in atmospheric pressure at different altitudes. A pilot can estimate the true airspeed by observing the indicated airspeed and adding it about 2% for every 1,000 feet of altitude...
September 26, 2012

algerbra
24+61+b+3a+b+3d How do you do this?!
September 24, 2012

culral anthropology
in anthropology the term culture referes to what
September 23, 2012

analytical chemisty
Calculate the pH and pOH of a 0.00002M solution of acetic acid.
September 23, 2012

chemistry
so 1508=18.36*26.37*x?
September 23, 2012

chemistry
A metal ring with a mass of 18.36 g undergoes a change in temperature of 26.37 oC. The energy change, or heat, required for this change in temperature is 1508 Joules. What is the specific heat of the ring?
September 23, 2012

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