Tuesday

July 22, 2014

July 22, 2014

Total # Posts: 530

**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 en...

**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

**MATHS**

thanks

**MATHS**

Find the area of the region bounded by the curve of sin x between x = 0 and x = 2π.

**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.

**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!

**Physics**

Angela, you so fine<3

**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.

**Math. Increases**

Do I do log functions for this question?

**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 :)

**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 c...

**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?

**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?

**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

**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?

**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?

**Math**

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

**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?

**Ss**

In the late 1800s mant industrialists set up welfare institutions and organizations.to help the urban poor?

**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 pa...

**intro chem**

What is the mass of carbon dioxide produced if 1.95 g sodium carbonate is used?

**social studies/ history**

thank you

**social studies/ history**

Oh!!!! Ms.Sue, the question said "Explain the Iroquoise pollitical system".

**social studies/ history**

OK THANK YOU FOR ANSWERING QUESTION NUMBER 2 THOUGH

**social studies/ history**

the homework never said wether it was kinship.All it said was iroquois system.

**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.

**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?

**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

**chem**

why is the solubility of benzoic acid dependent on pH?

**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?

**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

**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?

**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 shoul...

**Calculus**

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

**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

**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.

**chem-carbs**

D-ribose is treated with a mild oxidizing agent. What is the product of this reaction?

**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.

**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 min...

**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 min...

**Calculus**

are you sure its 17?

**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 min...

**Calculus**

Thanks

**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.

**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 fe...

**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 inve...

**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 inve...

**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 inve...

**math**

mrs.sue.....are you there???

**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...

**Ground School: airport operations**

Read Read Read you retard!!! and then you will surely pass your test!!

**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 ...

**Accounting**

please someone respond to this, thanks!

**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 ...

**percents**

Dealer sold 26 of 34 boats. What percentage was not sold?

**Calculus**

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

**Calculus**

The answer that I have to this question is 1000 units, I am confused.

**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?

**calculus**

9e^6ln(A)= A^( )

**American Literature**

What wave of feminism would Charlotte Gilman ("The Yellow Wallpaper") fall into?

**English Literature**

What is the difference between realism and naturalism?

**Precalculus**

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

**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 >.<

**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...

**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 pr...

**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...

**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 accel...

**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 accel...

**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?

**math**

3x3=36/8___

**math**

3x3=36/8___

**Sociology**

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

**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?

**Sociology**

Change in any social institution requires change in the institution of family. a.True b.False I think its true...

**math**

is this correct 88 red bows, 132 green bows? thank you

**math**

is this the correct answer for the bows 132 red bows,88green bows

**math**

is the correct answer on the rose bushes 21 rose bushes to 7 trees

**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

**math**

is the correct on the rose bushes 7 roses bushes, 3 trees

**math**

is the correct answer 20 girls to 24 boys

**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

**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

**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.

**Algebra 2**

That is supposed to be the answer but i do not how to get there.

**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 Jan...

**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

**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.

**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..

**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

**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.

**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. I...

**english**

thanks!

**english**

so will it be A than?

**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.

**english**

Thank you :)

**english**

A list of works cited should include: a.All the works you read while writing your paper b.All of the works you used in your paper. c.All of the works you could find while writing your paper. i think its b.

**Math**

Dominic arrived at work and went behind the counter at the north end. As he faced out over the counter, north was to his right, south to his left. While he was standing at the north end, a customer ordered a sandwich. Dominic went through these steps: 3 feet to his left to pic...

**Sociology**

Collective behavior-for example riots, demonstrations, give rise to social movements. Please give an example to support this observation.

**Sociology**

1)Efforts by an elite to control all forms of organizational life in a society are known as totalitarianism. True False 2)No society actively bans homosexual practices. True False i think for 1) its true for 2) its false?

**Sociology**

than its Jim Jones's Temple of God?

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