Friday
November 28, 2014

Posts by Casey


Total # Posts: 636

stem cells
Stem cells may open the door to discoveries about many diseases and may allow treatments for diseases to be developed. However many ethical issues surround stem cell research which need to be addressed by scientists, governments, etc. a. Explain why scientists would want to ...
December 9, 2012

physics
A 20.0kg solid gold statue is raised from the sea bottom. What is the tension in the hoisting cable (assumed massless) when the statue is accelerating upward at 2m/s^2? (assume the statue is still completely underwater) The density of gold is 19.6x10^3kg/m^3
December 9, 2012

physics
A U-shaped tube contains a fluid of density 1.5x10^3 kg/m^3. the right side of the tube is closed, with vacuum above the fluid. The left side of the tube is open to the atmosphere. Assume the atmospheric pressure outside the tube is exactly 10^5 Pa. a) How much higher will the...
December 9, 2012

Math
set the equation to 0 and solve for t. you may have to use the quadratic formula...
December 9, 2012

Math
A rectangle is 6 cm long and 5 cm wide. When each dimension is increased by x cm, the area is tripled. Find the value of x.
December 6, 2012

Physics
A force of 310 N is applied horizontally to a crate in order to displace the crate 45.0 m across a level floor at a constant velocity. As a result of this work, the crate's internal energy is increased by an amount equal to 12 percent of the crate's initial internal ...
December 4, 2012

math
(1) 9.6 dividedby 1.2=8 (2) 57.8 divided by 3.4= 17 (3) 2.3 divided by 21.643= 941 (4) 0.51 dividd by 0.459= 9 (5) 0.16 divided by 3.8= 23 remainder 12 (6) 0.78 divided by 15.6= (7) 0.048 dividedby 7.2=150.0 help Ms. Sue
November 29, 2012

MATHS
thanks
November 27, 2012

MATHS
Find the area of the region bounded by the curve of sin x between x = 0 and x = 2π.
November 27, 2012

MATHS
A committee of two persons is selected from two men and two women. Find the probability that the committee will have at least one man.
November 27, 2012

Algebra 1
Find the final amount of an investment if $2,000 is invested at an interest rate of 8% compounded quarterly for eight years. Please and thank you! I`ve been having so much trouble with this question. Thank you!
October 22, 2012

Physics
Angela, you so fine<3
October 22, 2012

Math. Increases again
The worlds pop in 1970 is estimated to be 3.7*10^9. The yearly growth rate is approximately 2%. How large would the world's pop be in 1980? Would i use log functions? please help.
October 13, 2012

Math. Increases
Do I do log functions for this question?
October 13, 2012

Math. Increases
The worlds pop in 1970 is estimated to be 3.7*10^9. The yearly growth rate is approximately 2%. How large would the world's pop be in 1980? Please show work. Thanks :)
October 13, 2012

Algebra 2
The excursion boat on the river takes 2½ hours to make the trip to a point 12 miles upstream and to return. If the rate at which the boat travels in still water is 5 times the rate of the river current, what is the rate of the current? Which of the following equations ...
October 13, 2012

Math.. due tomorrow morning!
Assume that each female rabbit of a colony gives birth to three female rabbits. How many female rabbits of the tenth generation will be descendants of a singal rabbit of the first generation?
September 30, 2012

Math. i need help!
Assume that each female rabbit of a colony gives birth to three female rabbits. How many female rabbits of the tenth generation will be descendants of a singal rabbit of the first generation?
September 30, 2012

physics
The three vectors in the figure below have magnitudes a = 2.45 m, b = 3.15 m, and c = 15.0 m and angle θ = 36.5° find x component of vector a
September 30, 2012

Math
Assume that each female rabbit of a colony gives birth to three female rabbits. How many female rabbits of the tenth generation will be descendants of a singal rabbit of the first generation?
September 30, 2012

Chemistry
Suppose the atmospheric pressure during the experiment was 751 mmHg. The temperature of the water was found to be 23.0 degrees celsius. What is the pressure of the oxygen gas, Po2 that is produced?
September 27, 2012

Math
round each number to the place of the underlined digit 165,023,912 the one is underline?
September 17, 2012

Chemistry
An automobile gasoline tank holds 20.0 gal when full. How many pounds of gasoline will it hold if the gasoline has a density of 0.560 g/mL?
September 10, 2012

Ss
In the late 1800s mant industrialists set up welfare institutions and organizations.to help the urban poor?
August 3, 2012

Finance Management
CASE STUDY 1 please read the continuing case at the end of Chapters 1 and 2 in your textbook. After studying the Chapter 1 case, respond to the following: 1.At which level do some of the basic functions (cost accounting, reporting tax, patient accounts and billing, accounts ...
July 16, 2012

intro chem
What is the mass of carbon dioxide produced if 1.95 g sodium carbonate is used?
July 15, 2012

social studies/ history
thank you
May 19, 2012

social studies/ history
Oh!!!! Ms.Sue, the question said "Explain the Iroquoise pollitical system".
May 19, 2012

social studies/ history
OK THANK YOU FOR ANSWERING QUESTION NUMBER 2 THOUGH
May 19, 2012

social studies/ history
the homework never said wether it was kinship.All it said was iroquois system.
May 19, 2012

social studies/ history
1) Explain the Iroquois system. 2) How did the Europeans change the ways of life of the Plains Indians. Help! And no links please since I am in a rush, I have to pick someone up.
May 19, 2012

Calculus Max/Min Prob
At 7:00 am, one ship was 60 miles due east from a second ship.If the first ship sailed west at 20 mph, and the second ship sailed southeast at 30 mph, at what time are they closest together?
May 10, 2012

chemistry
write and equation for the reaction of triethylamine and water. does the eqilibrium go to the right or left. so far what I have is C6H15N + H2O but I'm not sure of the products
April 12, 2012

chem
why is the solubility of benzoic acid dependent on pH?
April 12, 2012

Math
A contractor gives a quote of $21,060 to build an 18 foot by 24 foot barn. What is the building cost per square foot?
April 8, 2012

chemistry
For the theoretical yield, I used the mass of acetic anhydride. Was I supposed to use the mass of salicylic acid (which was 2.00 g) instead? acetic anhydride + salicylic acid ---> acetic acid +acetylsalicylic acid
April 4, 2012

chemistry
I have to find the theoretical yield of acetylsalicylic acid in the exeriment? I used 5.0 mL acetic anhydride which is about 5.40 grams. When I calculated the theoretical yield, I got 9.53 grams. Is this number correct?
April 4, 2012

Accounting
Identify each statement as true or false. If false, indicate how to correct the statement. 1. Depreciation is a process of asset valuation, not cost allocation. 2. Depreciation provides for the proper matching of expenses with revenues. 3. The book value of a plant asset ...
April 2, 2012

Calculus
derivative of y=ln2^x please help, I am getting the wrong answer every time
March 29, 2012

Math
I have solved the following and I am writing just their answers with it, please let me know if these are correct. thanks 1. Simplify, and write in the base of 3: (9^x . 3^4x)^2 answer: 3^12x 2. Differentiate and simplify y= (e^x - 1) / x^2 answer: (xe^x - 2e^x +2) / x^3
March 25, 2012

Chemistry(Please help)
just copy and paste your question into google and the exact same question pops up on the first link. the post you posted before is the 3rd link down.
March 14, 2012

chem-carbs
D-ribose is treated with a mild oxidizing agent. What is the product of this reaction?
March 12, 2012

chemistry
predict the solubility of 2-propanol in dichloromethane and in water. Can someone explain how they came to their conclusion because I just dont understand how to determine solubility.
March 8, 2012

Calculus- please help
A sporting goods store sells 100 pool tables per year. It costs $20 to store one pool table for a year, based on the average inventory on hand. It costs $40 for each delivery of pool tables. How many times per year and in what lot size should the store order pool tables to ...
March 4, 2012

Calculus
A sporting goods store sells 100 pool tables per year. It costs $20 to store one pool table for a year, based on the average inventory on hand. It costs $40 for each delivery of pool tables. How many times per year and in what lot size should the store order pool tables to ...
March 3, 2012

Calculus
are you sure its 17?
March 3, 2012

Calculus
A sporting goods store sells 100 pool tables per year. It costs $20 to store one pool table for a year, based on the average inventory on hand. It costs $40 for each delivery of pool tables. How many times per year and in what lot size should the store order pool tables to ...
March 3, 2012

Calculus
Thanks
March 3, 2012

Calculus
Q. An open-top box with a square base is to have a volume of 62.5 square inches. What dimensions will yield the box of minimum surface area? I am getting 5" by 2.5" but not sure.
March 3, 2012

Calculus
A swimming pool is 40 feet long, 20 feet wide, 8 feet deep at the deep end, and 3 feet deep at the shallow end; the bottom is rectangular. If the pool is filled by pumping water into it at the rate of 40 cubic feet per minute, how fast is the water level rising when it is 3 ...
March 2, 2012

Accounting
In its first month of operations, Cisler Company made three purchases of merchandise in the following sequence: (1) 300 units at $6, (2) 400 units at $8, and (3) 500 units at $9. Assuming there are 200 units on hand at the end of the period, compute the cost of the ending ...
February 27, 2012

Accounting
In its first month of operations, Cisler Company made three purchases of merchandise in the following sequence: (1) 300 units at $6, (2) 400 units at $8, and (3) 500 units at $9. Assuming there are 200 units on hand at the end of the period, compute the cost of the ending ...
February 27, 2012

Accounting
In its first month of operations, Cisler Company made three purchases of merchandise in the following sequence: (1) 300 units at $6, (2) 400 units at $8, and (3) 500 units at $9. Assuming there are 200 units on hand at the end of the period, compute the cost of the ending ...
February 26, 2012

math
mrs.sue.....are you there???
February 20, 2012

math
Rules:Determine wether the two expressions are equivalent.If so,tell what property is applied.If not, explain why. 1)18 x 1 and 18 2)7 + 0 and 7 3)0 + 12 and 0 can someone please explain to me why these expressions are not equivalent. I know that these are examples of Identity...
February 20, 2012

Ground School: airport operations
Read Read Read you retard!!! and then you will surely pass your test!!
February 20, 2012

Accounting
Hayes Warehouse distributes hardback books to retail stores and extends credit terms of 2/10, n/30 to all of its customers. During the month of June, the following merchandising transactions occurred June 20 Purchased books on account for $720 from Cook Book Publishers, terms ...
February 15, 2012

Accounting
please someone respond to this, thanks!
February 15, 2012

Accounting
Hayes Warehouse distributes hardback books to retail stores and extends credit terms of 2/10, n/30 to all of its customers. During the month of June, the following merchandising transactions occurred June 20 Purchased books on account for $720 from Cook Book Publishers, terms ...
February 15, 2012

percents
Dealer sold 26 of 34 boats. What percentage was not sold?
February 15, 2012

Calculus
I know I am getting the answer as you did, but the solution that I have with the question that says 1000
February 3, 2012

Calculus
The answer that I have to this question is 1000 units, I am confused.
February 3, 2012

Calculus
Suppose the revenue from producing and selling x units of a given product is given by R(x)=10x-0.02x^2 a) Find the number of units produced if the revenue is $800. I really need help with this, I don't know what to do?
February 3, 2012

calculus
9e^6ln(A)= A^( )
January 31, 2012

American Literature
What wave of feminism would Charlotte Gilman ("The Yellow Wallpaper") fall into?
January 31, 2012

English Literature
What is the difference between realism and naturalism?
January 15, 2012

Precalculus
What did you with -3/2? You have not used it, why?
January 12, 2012

Precalculus
Estimate the instanteous rate of change f(x) = x/(x+5) at (-3, -3/2) Could someone explain this question to me, this isn't exactly the same as polynomial functions >.<
January 12, 2012

Math
Could someone verify the answers. I don't know question C and D Thank you! 1. In physics, the formula for centripetal force is F = mv^2/ r where m is the mass, v the velocity, and r the radius. a) Find the length of a string when a mass of 2.4kg is being spun at a speed of...
January 12, 2012

Math
Someone verify these answers. Thank you! 1. A biologist finds the average production in which cancerous cells are produced in rats is given by p(t)= (t^2-2t+1)/t where t is measured in hours and p(t) is measured in 1000 cells per hour. Estimate the rate at which the average ...
January 12, 2012

Precalculus
Write an equation for rational function with given properties. a) a hole at x = 1 b) a vertical asymptote anywhere and a horizontal asymptote along the x-axis c) a hole at x = -2 and a vertical asymptote at x = 1 d) a vertical asymptote at x = -1 and a horizontal asymptote at...
January 10, 2012

Physics Please help!
the coefficient of static friction between the coffee cup and the roof of a car is 0.28, If the maximum acceleration the car can have without causing a cup of coffee (on the top of the car) to slide is 2.7 m/s^. What is the smallest amount of time in which the person can ...
January 5, 2012

Physics Please help!
the coefficient of static friction between the coffee cup and the roof of a car is 0.28, If the maximum acceleration the car can have without causing a cup of coffee (on the top of the car) to slide is 2.7 m/s^. What is the smallest amount of time in which the person can ...
January 5, 2012

physics
if you have and open end air column with a length of 75.0 cm and the fifth harmonic is 1175 hz, what is the fundamental frequency? what is the speed of the wave?
December 6, 2011

math
3x3=36/8___
December 6, 2011

math
3x3=36/8___
December 5, 2011

Sociology
Status conflict exists when different groups compete for terrority or other advantages. a.True b.False I think its false
November 27, 2011

Chemistry
Assuming that the smallest measurable wavelength in an experiment is 0.410 fm (femtometers), what is the maximum mass of an object traveling at 815 m*s^-1 for which the de Broglie wavelength is observable?
November 2, 2011

Sociology
Change in any social institution requires change in the institution of family. a.True b.False I think its true...
October 30, 2011

math
is this correct 88 red bows, 132 green bows? thank you
October 26, 2011

math
is this the correct answer for the bows 132 red bows,88green bows
October 26, 2011

math
is the correct answer on the rose bushes 21 rose bushes to 7 trees
October 26, 2011

math
if the ratio of red bows to green bows is 2 to 3 which of these shows possible numbers of red bows to green bows. is this the correct answer 23 red bows, 32 green bows
October 26, 2011

math
is the correct on the rose bushes 7 roses bushes, 3 trees
October 26, 2011

math
is the correct answer 20 girls to 24 boys
October 26, 2011

math
if the ratio of girls to boys on the track team is 5 to 6 which of these shows possible numbers of girls to boys on the track team. a- 24 girls, 20 boys b-50 girls, 56 boys c- 60 girls, 50 boys d- 20 girls,24 boys
October 26, 2011

math
a- 20 rose bushes, 7 trees b- 7 rose bushes, 3 trees c- 21 rose bushes, 7 trees d- 7 roses bushes, 21 trees
October 26, 2011

math
if the ratio of rose bushes to trees in the yard is 3 to 1. Which of these shows possible numbers of roses to trees in the yard.
October 26, 2011

Algebra 2
That is supposed to be the answer but i do not how to get there.
October 24, 2011

Algebra 2
Question is about Step Functions:(between" " are all floor functions. The formula W=d+2m+"(3(m=1)/5)"+y+"y/4" -"y/100" + "y/400" + 2 gives the day of the month of the given date; m = the number of the month in the year with ...
October 24, 2011

chemistry
A 10.0 grams piece of gold 90.0 Celsius was stirred into 15.0ml of water at an initial temperature of 25.0 degrees Celsius. The final temperature of the water was 26.34 degrees celsius. Calculate the specific heat of gold. The specific heat of water is 4.184 J/g- degrees celsius
October 20, 2011

Sociology
When children are taught to sit straight and not slouch, to address men older than themselves as "sir" and to look the person they are addressing in the eye, they are learning aspects of: a.deference b.demeanor its deference, maybe.
October 14, 2011

Sociology
A major reason why children of upper-middle class families do well in school is the pressure that is placed on them by their families. a.True b.False a I guess..
October 14, 2011

Sociology
Q1. All societies produce some form of inequality. a)True b)False Q2.Income is the measure of social class inequality that is most often used. a)True b)False for 1 i think a and for 2 a
October 14, 2011

Chemistry
What is the threshold energy of Chromium? I know the answer but i need to show work and through all the equations to get done i get lost. So can someone help me.
October 12, 2011

American government
Outside lobbying does not include the use of: a. Campaign contributions to legislators who favor the interest group. b. Face to face exchanges between lobbyist and policymakers. c. Targeting group resources on key election races. d. The news media to influence policy makers. ...
October 4, 2011

english
thanks!
October 3, 2011

english
so will it be A than?
October 3, 2011

english
You are building a bibliography for a researched writing project in a myth and literature class. Should you use MLA style? a.Yes b.No I think B, but I am not sure.
October 3, 2011

english
Thank you :)
October 3, 2011

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