Sunday
March 29, 2015

Posts by Mark


Total # Posts: 1,299

physisc! URGEENT
The current is 1.9 m/s. A person can swim 0.7 m/s. What is the best angle for the swimmer so that it is swept downstream the shortest distance possible?
February 21, 2010

Mega Stat
How do you know the p-value on megastat. On minitab It looks like it gets a different p-value than megastat. I got a number from megastat of 2.35E10 and on minitab it was 0.000.
February 20, 2010

statistics
How do you know the p-value on megastat. On minitab It looks like it gets a different p-value than megastat. I got a number from megastat of 2.35E10 and on minitab it was 0.000.
February 20, 2010

science
describe a pond and indicate the types of interdependence of living things in it
February 18, 2010

science
describe a pond and indicate the types of interdependence of living things in it
February 18, 2010

Chem
When 0.10 g of insulin is dissolved in 0.200 L of water, the osmotic pressure is 2.30 Torr at 20°C. What is the molar mass of insulin? I tried using the van't hoff equation, converting Torr into atm; but not sure how to do it. my teacher didn't really explain this ...
February 15, 2010

statistics
Number sampled is 1,000 and mean is 7.2 on a scale from 1-10 how do I determine standard deviation. Can we answer this with using the sampling distribution of the sample proportion?
February 13, 2010

statistics
If sample number is 1,000 and mean is 7.2 on a scale from 1-10 how do I determine standard deviation.
February 13, 2010

MA 005
The width of a rectangle is 3ft. less than the length. The perimeter is 62ft. Find the length and the width od the rectangle.
February 12, 2010

criminal justice
During the middle Ages, defendants could avoid serving a harsh penalty if they were granted
February 8, 2010

business
Explain the difference between fiscal policy and monetary policy. Discuss how each of these approaches can be used to influence the state of the economy.
January 31, 2010

algebra
Joe's larger tank is completely filled with water. He takes water from it to completely fill the small tank. Determine how many cubic inches of water will remain in the larger tank The larger tank is 12 x 30 x 16 and the smaller tank is 6 x 12 x 9.
January 30, 2010

Math
The average of a set of five different positive integers is 360. The two smallest integers in the set are 99 and 102. What is the largest possible integer in this set?
January 29, 2010

math
(5)(3/5)(x+2)=(5)(x-4) 3(x+2)=(5)(x-4) 3x+6=5x-20 3x+6+20=5x-20+20 3x+26=5x 3x-3x+26=5x-3x 26=2x x=13
January 29, 2010

Physics
A rocket is launched straight up with constant acceleration. Four seconds after liftoff, a bolt falls off the side of the rocket. The bolt hits the ground 7.10 seconds later.
January 28, 2010

Physics
A rocket is launched straight up with constant acceleration. Four seconds after liftoff, a bolt falls off the side of the rocket. The bolt hits the ground 7.10 later. What was the rocket's acceleration?
January 28, 2010

math
find all possible values of x such that, when the five numbers x, 14, 11, 6, 17 are arranged in order, the mean is equal to the median
January 28, 2010

math
find all possible values of x such that, when the five numbers x, 14, 11, 6, 17 are arranged in order, the mean is equal to the median
January 28, 2010

fallacy
It takes someone with a really big heart to give to our charity , and you seem like someone who cares more than most . ...
January 17, 2010

business
Thank you Ms.Sue, for the resource.
January 16, 2010

business
I need help with this question whats the social and cultural customs that Walt Disney could encounter overseas?
January 16, 2010

business and tech
What are some advantage of globalization?
January 13, 2010

MATH
What percent of 49 is 7
January 12, 2010

MATH
25 is what percent of 365? What percent of 128 is 24
January 12, 2010

Math
What percent of 185 is 35?
January 12, 2010

algebra
solve each system using elimination x+4y=12 and 2x-3y=6
January 12, 2010

Math
Could someone Please tell me how to go about doing these two problems. Thank You.
January 12, 2010

Math
Multiple Choice: Mary Jane gets a student rate of $27.50 a month for health insurance. There is a $200.00 deductible, but no coinsurance payment. She recently received treatment for a covered condition. The bill was $2,350.00 Mary's insurance company provided payment of 80...
January 12, 2010

chemistry
F is not he right answer
January 11, 2010

business and tech
lets say that price gauging didn't happen,and the merchants sell the goods at the market price but with laws of supply and demand how would that be a good thing, When disasters hit an area, the cost of everything seems to go up immediately?
January 11, 2010

business and tech
lets say that price gauging didn't happen,and the merchants sell the goods at the market price but with laws of supply and demand how would that be a good thing?
January 10, 2010

business and tech
I need help on this question. "When disasters hit an area, the cost of everything seems to go up immediately: food, water, housing, gas and so forth. Explain why this phenomenon may be a good thing, using the laws of supply and demand". thank you very much
January 10, 2010

Algebra 1
1.c 2.b 3.b 4.c 5.c
January 10, 2010

SCIENCES
TEN EXAMPLES OF SUSPENSION AND SOLUTION MIXTURES.
January 7, 2010

8th grade
The area of a rectangle is 45cm2. The height is one less than two times the base. what is the length of the base
January 4, 2010

Algebra Word Problems
Children + adult = total receipts $1.00(x) +$3.00(350-x) = $750 solve for x=>>>> number of children tickets, 350- "x" =>>>adult tickets
December 15, 2009

calculus
Given x+xy+2y^2=6 find the coordinates of all other points on this curve with slope equal to -1/3. Please show work.
December 10, 2009

english
To what extent is romeo a weak character
December 9, 2009

algebra
5{[4(n-4)+18]-[3(5n-3)+5]}= simplify the answer
December 9, 2009

Calculus
Two bacteria colonies are cultivated. The first colony has a doubling time of 2 hours and the second a doubling time of 3 hours. initially, the first colony contains 1,000 bacteria and the second colony 3,000 bacteria. At what time t will sizes of the colonies be equal? Is ...
December 6, 2009

chemistry.
When 41.81 of a solution of aqueous sliver ions with a concentration of 0.2040 mol dm3 is added to a solution of XO-3/4 ions, 1.172g of the precipitate is formed? ..Can any one help me with that! NB: -3/4 mean that 3 is up and 4 is under it.
December 3, 2009

calc
a) Suppose f(x) is defined on 0 ≤x≤1 by the following rule: f(x) is the first digit in the decimal expansion for x. For example, f(1/2) = 5 and f(0.719) = 7. Sketch the graph of y = f(x) on the unit interval with appropriate scales for x and for y. Use a graphical ...
December 1, 2009

calc
a) Suppose f(x) is defined on 0 ≤x≤1 by the following rule: f(x) is the first digit in the decimal expansion for x. For example, f(1/2) = 5 and f(0.719) = 7. Sketch the graph of y = f(x) on the unit interval with appropriate scales for x and for y. Use a graphical ...
November 30, 2009

Math
How tall is a cylinder that has a volume o 2,123 cubic meters and a radius of 13 meters?
November 19, 2009

Statistics
h t t p : / / t i n y u r l . c o m / y f z j y u o I'm not sure how to do #2.
November 19, 2009

Math
Everyone in Mrs.Bowman's art class has 8 jars of paint except Jerome, who has 10. There are 74 jars of paint in the room. How many students are there in Mrs. Bowman's art class.
November 17, 2009

math
For fall festival, Mrs. Marco bought 6 bags of Golden Delicious apples. She handed out 43 apples and had 5 left over. How many apples were in each bag.
November 17, 2009

Physics-Astronomy
A high-velocity star HVS 1 is moving at 600 km/s, 0.2% speed of light. Assuming the HVS 1 is moving away from us, and that its velocity is oriented entirely along our line of sight, determine the Doppler shift of the Ha spectral line (6562.8 Angstrom) produced by this star. Is...
November 16, 2009

Physics-Astronomy
Hello, I have no idea how to do the following question. Any help would be appreciated: An energy of at least 13.6 electron-volts is required to ionise a hydrogen atom. What is the longest wavelength of electromagnetic wave capable of ionising hydrogen? And which regions of the...
November 16, 2009

Readind and writing number
I am 55 yr old can get help
November 12, 2009

world history
my book does not talk about that can you help me with some websites that might help me
November 11, 2009

world history
thank you :D and what did both countries offer each other
November 11, 2009

world history
middle ages
November 11, 2009

world history
how did cultural diffusion occur between Europe and Asia?
November 11, 2009

physics
2. A rifle is fired horizontally and travels 980 m. The rifle barrel is 6.1 m from the ground. What speed must the bullet have been travelling at? here i got a time of 201.24.. i then added the 980m to the 6.1m and put it in the x=vt equation to get a velocity of 69.49
November 9, 2009

Math
I need help with this problem. In decimal form, write the ratio of the first 8 consecutive square numbers. 1 squared:2 squared, 2 squared:3squared, 3 squared:4 squared
November 5, 2009

chemistry.
2.02g of KNO3 ( Mz=101) is dissolved in sufficient water to prepare 0,500 dm3 of solution. What is the concentration of this solution in mol dm?
November 5, 2009

chemistry.
So what do we have to do in this case?
November 5, 2009

chemistry.
Which solution contains 0,1 mol of sodium hydroxide? A- 1 cm3 of 0,1 mol dm3 NaOH B 10 cm3 of 0,1 mol dm3 NaOH C 100 cm3################### d 100 cm3 ###################
November 5, 2009

Grammar
I'd appreciate if you would help with the other questions. Thank you.
November 4, 2009

Grammar
what is the adjective and adverb in the following sentences? The plane circled the vacant field and slowly came in for a smooth landing. You should not drive too fast; however, a slow driiver can be dangerous too. Mira has been faithfully practicing the cello lately. Luisa ...
November 4, 2009

English
You have some good ideas however, there are quite a few mistakes. Always build on your topic sentence. Also, be certain to always use your Spell Check. You might want to keep a dictioary handy when writing. Make certain your sentences are a complete thought. Try not to be too ...
November 4, 2009

possessive nouns
______ stories seemed unbelievable A. Survivors B. Survivor's C. Survivors' D. Surviors's
November 2, 2009

possessive nouns
Worry haunted the refugee ____ eyes A.childrens B.children's C. childrens'
November 2, 2009

possessive nouns
Money might be sewn into ____ coat linings. What is the answer A. women's C. Womens'
November 2, 2009

5th grade
Thats what I had but was not for sure. Thanks!
November 2, 2009

5th grade
Eight states border one or more of the five Great Lakes. Write a fraction representing the part of the 50 states that border a Great Lake. Write the fraction in simplest form.
November 2, 2009

English A1 Poem
Can any one help to analysis it.
October 27, 2009

English A1 Poem
All afternoon my brothers and I have worked in the orchard, Digging this hole, laying you into it, carefully packing the soil. Rain blackened the horizon, but cold winds kept it over the Pacific, And the sky above us stayed the dull gray Of an old year coming to an end. In ...
October 27, 2009

6th grade
how do you draw a diagram to find the solution to 2.6 devided by 0.4 ,and explain what the quotant means?
October 25, 2009

Calculus
maximum and minimum of y = cos(x) + sin (x)on the interval [0,2pi]
October 25, 2009

Exponential Decay
the half-life of carbon-11 is 20 minutes. How long will it btake for 600g of carbon-11 to decay to 30g?
October 22, 2009

The secret of gumbo grove
oh...im sorry then but thank you for attempting.
October 20, 2009

The secret of gumbo grove
do you know where i can find chapter summaries for this book.
October 20, 2009

Math
6/15= 2/5 divide 6 and 15 by 3 15/60=1/4 divide 15 and 60 by 15 78=78 (whole number)
October 19, 2009

Maths
im not sure im typing as i find them. A=total of counting the numbers 11,22,33,44,55,66,77,88,99,101,202,303 B) = total counting the numbers 11,22,33,44,55,66,77,88,99,101,202,303,404,505,606,707,808,909
October 19, 2009

Maths
what is a?
October 19, 2009

Grammer
yes you capitalize it
October 19, 2009

Family Report
What should i put in a report about my family?
October 19, 2009

guess and check
there are 42 question on lindas test. sum of the questions are 2 point and sum were 3 points. she got a perfect score. how many 2 question where there and 3 point questions were on lindas test
October 19, 2009

algebra1
the speed of train A is 8mph slower than the speed of train B. Train A travels 220 in the same time it takes train B to travel 260 miles. Find the speed for each train.
October 18, 2009

6th grade (vocabulary)
gather
October 18, 2009

summarizing book
can you summarize the summaries at this link? sparknotes website Search: A wrinkle in time
October 15, 2009

3rd grade
198+864=1062
October 14, 2009

Math
I dont think that is right answer is x=4 not sure how
October 14, 2009

Math
Solve. log(x^3)-log(2)=log(2x^2)
October 14, 2009

math grade 12
Solve. log(x^3)-log(2)=log(2x^2)
October 14, 2009

arithmetic
0.031
October 14, 2009

3rd grade math
write each addition vertically.decide which new groups you will make.then,add to see if you were correct. 256+1273___________ a new ten?____________ a new hundred?_________ a new thousand?____________ need answers and please explain
October 12, 2009

3rd grade
write addition vertically.decide which new groups you will make.then add to see if you are correct. 256+1273_________ a new ten?________ a new hundred?___________ a new thousand?_________ i need answer and explain how
October 12, 2009

chem
When 13 grams of a sample cools from 56c to 34.4cit loses 25.8 Joules of heat. What is the specific heat of the sample?
October 11, 2009

physics
I actually don't know where the 2s and 3m came from, I think it was a typo on my MSWord
October 10, 2009

physics
A motorist travels at a constant speed of 34.0 m/s through a school zone; exceeding the posted speed limit. A policeman, waits 7.0 s before giving chase at an acceleration of 3.9 m/s2. (a) Find the time required to catch the car, from the instant the car passes the policeman. ...
October 10, 2009

CALCULUS! PLEASE HELP URGENT!
I think it does. For answer choice one correct?
October 8, 2009

CALCULUS! PLEASE HELP URGENT!
I think all three of them have derivatives because when I put them into the calculator, I saw no discontinuities. but i am debating if it's II and III.
October 8, 2009

CALCULUS! PLEASE HELP URGENT!
Which of the following functions have a derivative at x=0? I. y= absolute value(x^3-3x^2) II y= square root(x^2+.01)- absolute value (x-1) III y= e^x/cosx
October 8, 2009

health
Strategies to improve patient intake
October 5, 2009

Algebra
translate to an inequality. a number is at least 10. the answer is ? ? ? use x as the variable. Thank you
September 30, 2009

Chemistry
what is the balanced equation? how do i convert moles of CH4 and Cl2 to moles of the product??
September 29, 2009

algebra
what numbers factor 25x^2 - 10x + 126
September 24, 2009

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | Next>>

Members