Saturday

March 28, 2015

March 28, 2015

Total # Posts: 176

**Physics/Math**

A 25.0 gram piece of charcoal is found in some ruins of an ancient city. The sample shows a 14C activity, R, of 250 decays/min. How long (in years) has the tree this charcoal came from been dead? I think I have the use the equation: R=lamda*No*e^(-lamda*t) but I am not sure ...
*February 3, 2015*

**Physical Science**

What is the temperature of oxygen that boils at negative 183 Celsius?
*December 9, 2014*

**algebra**

F(t)= 30000 1+20e^-1.5t Describes the number of people, f(t), who have become ill with influenza t weeks after the initial outbreak in a town with 30,000 inhabitants. a. How many people became ill with flu when the epidemic began? b. How many people were ill by the end of the...
*April 12, 2014*

**algebra**

Use the fact that after 5715 years a given amount of carbon 14 will have decayed to half the original amount to find the exponential decay model for carbon 14. In 1947, earthenware jars containing what was known as the Dead Sea scrolls were found by an Arab Bedouin herdsman. ...
*April 12, 2014*

**word problem**

the function f(x)= 34.1 Ln x + 117.7 models the number of U.S. Internet users, f(x) in millions, x years after 1999. By which year will there be 250 million Internet users in the U.S.?
*April 12, 2014*

**Accounting**

During the current year, Mast Corporation expects to produce 10,300 units and has budgeted the following: net income $350,376; variable costs $1,080,800; and fixed costs $105,000. It has invested assets of $1,459,900. The company’s budgeted ROI was 24%. What was its ...
*April 2, 2014*

**statistics**

opinion polls find that 16 percent of americans adults claim that they never have time to relax. suppose you take a random sample of 400 american adults and count the number X in your sample and claim that they never never have time to relax.
*March 22, 2014*

**Accounting**

What is Beer direct materials and raw materials? Raw materials are the basic materials and parts that are to be used in the manufacturing process Raw materials that can be physically and directly associated with the finished product during the manufacturing process are called ...
*February 6, 2014*

**Accounting**

Please explain I'm so lost Chandler Ltd. estimates sales for the second quarter of 2014 will be as follows. Month Units April 2,550 May 2,475 June 2,390 The target ending inventory of finished products is as follows. March 31 2,000 April 30 2,230 May 31 2,200 June 30 2,310...
*February 5, 2014*

**Accounting**

The comparative statements of Lucille Company are presented here. LUCILLE COMPANY Income Statements For the Years Ended December 31 First number are 2012 2012 then 2011 Net sales $1,890,540 $1,750,500 Cost of goods sold 1,058,540 1,006,000 Gross profit 832,000 744,500 Selling...
*November 12, 2013*

**calculus **

A conical party hat made out of cardboard has a radius of 4cm and a height of 12cm. When filled with beer, it leaks at the rate of 4cm^3/min. (a)At what rate is the level of the beer failing when the beer is 6cm deep? (b) When is the hat half empty?
*June 5, 2013*

**history**

Between 1947 and 1951, what did the loyalty boards that were established to root out subversives in government service do? a. They uncovered evidence of massive subversion and espionage within the Departments of State and Defense. b. They restricted their investigations to ...
*April 17, 2013*

**History please help**

thank you that was the one I was leaning towards because I couldnt really find anything about it in textbook
*April 16, 2013*

**History please help**

Which of the following issues was not on the agenda of the National Organization for Women in the late 1960s a and early 1970s? a. Women should have equal employment opportunities. B. Child care needed to be regulated and more readily available. c. Abortion rights should be ...
*April 16, 2013*

**History**

yea my book didn't really say much on the first topic i don't know thats why I was confused
*April 11, 2013*

**History**

1. Puerto Ricans experienced which of the following when they migrated to the United States from Puerto Rico in the 1950s? Deportation as undocumented aliens Family friction and a reversal in traditional sex roles A middle-class lifestyle in the barrio Downward social mobility...
*April 11, 2013*

**Art answer check**

1. Ann Hamilton's "Indigo Blue" is an example of what kind of art? Feminist Art Action Painting x Installation Art Video Art 2 The events in contemporary Iran give this artist context for films and videos by this artist: Wemda Gu x Shirin Neshat Zaha Hadid El ...
*April 5, 2013*

**Art**

i think one is assemblage and 2 is pop art
*April 5, 2013*

**Art **

1.With late 20th c. sculpture a new attitude developed around the use of 'ordinary' materials. Some said that this was merely "Dadaist revival." The work may involve moving parts (kinetic sculpture), or 'combines' of seeming unrelated objects, or ...
*April 5, 2013*

**Art**

it didn't show up on my end for some reason Sue. thanks though so it would be fals correct since they violating conventional views of both proper style and subject.
*March 21, 2013*

**Art**

The Barbizon painters were known for their urban, studio created nudes true or false The Pre-Raphaelites advocated an urban, Parisian sophistication in their art: true or false
*March 21, 2013*

**Art**

The Barbizon painters were known for their urban, studio created nudes true or false The Pre-Raphaelites advocated an urban, Parisian sophistication in their art: true or false
*March 21, 2013*

**Chemistry**

look at the periodic table. carbon has an elemental mass of 12.01g/mole how many carbons are in this formula? (3)
*February 28, 2013*

**Math**

The following data represents the high-temperature distribution for a summer month in a city for some of the last 130 years. Treat the data as a population. Temperature Days 50-59 4 60-69 309 70-79 1428 80-89 1485 90-99 393 100-109 8 According to the empirical rule, 95% of ...
*January 27, 2013*

**MATH**

In Marissa's Calculus course, attendance counts for 5% of the grade, quizzes count for 15% of the grade, exams count for 60% of the grade, and the final exam counts for 20% of the grade. Marissa had 100% average for attendance, 93% for quizzes, 82% for exams, and 81% on ...
*January 27, 2013*

**real estate**

Mile and Rosalyn borrow $70,000 to purchase a home. If the monthly interest payment is $787.50. What is the rate of interest?
*January 21, 2013*

**advanced math**

find the real solutions. 3+ the square root of (2x+2)=x
*December 4, 2012*

**advanced math**

what is line perpendicular to line 5x+y=57 that goes through the point (10,6).
*December 3, 2012*

**advanced math**

*the square root of (9x-8)
*December 3, 2012*

**advanced math**

find the real solutions. 2+the square of (9x-8)=x
*December 3, 2012*

**advanced math**

Math the equation a single logarithm. Express as factors. ln(x/(x-1))+ln((x+1)/(x))-ln(x^2-1)
*December 3, 2012*

**advanced math**

Solve the equation. 2log_2(x-5)+log_2(2)=5
*December 3, 2012*

**advanced math**

The marginal cost of a product can be thought of as the cost of producing one additional unit of output. For example, if the marginal cost of producing the 50th product is $6.20, it cost $6.20 to increase productionn from 49 to 50 units of output. Suppose the marginal cost C(...
*December 3, 2012*

**math;SOS**

solve the logarithmic equation. log(5x+7)=1+log(x-9)
*December 2, 2012*

**Math**

Factor the following. 3x^3+49=x^2+147x
*December 2, 2012*

**Advanced Math**

find all points having an x-coordinate of 2 whose distance of the point (-1-2)is 5.
*December 2, 2012*

**Advanced Math**

Find the real solutions by factoring. 3x^3+16=x^2+48x
*November 29, 2012*

**Sociology**

By the way it's not my homework. It's just something i need to prepare for my text next week.
*October 5, 2012*

**Sociology**

I've no idea of what i should write
*October 5, 2012*

**Sociology**

Could someone please help me out! Thank you
*October 5, 2012*

**Sociology**

Could someone please help me out! thank you
*October 5, 2012*

**Sociology**

Compare and contrast the theories of Daniel Levinson , Irene Frieze, and Esther Sales concerning adult development.
*October 5, 2012*

**Science**

Name several aspects of everyday life that will change when our country converts to SI units.
*September 17, 2012*

**math**

i am an even number between 10 and 30 .you can add 4 to me and get the sum of 10 and 10 what number am i
*September 11, 2012*

**CHEMISTRY**

Assume an organic compound has a partition coefficient between water and diethyl ether equal to 7.33. If there are initially 9.81 grams of the compound dissolved in 100.0 mL of water, how many grams will remain in the aqueous layer after extraction with one 30.0 mL portion of ...
*September 9, 2012*

**CHEMISTRY**

Assume an organic compound has a partition coefficient between water and diethyl ether equal to 7.33. If there are initially 9.81 grams of the compound dissolved in 100.0 mL of water, how many grams will remain in the aqueous layer after extraction with one 30.0 mL portion of ...
*September 9, 2012*

**HISTORY**

1. The majority of states that did not ratify the Equal Rights Amendment were located in the A. [Southeast] B. Midwest C. West D. Northeast 2. Among instances of corporate malfeasance in the early twenty-first century, the _____ scandal was the most shocking and economically ...
*September 3, 2012*

**HISTORY**

ohh! sorry I mean B is not it...
*September 3, 2012*

**HISTORY**

A is wrong. I took the test
*September 3, 2012*

**math**

is that how you estimate the answer?
*April 25, 2012*

**math**

First estimate answer then divide to find exact answer. Simplify all answers. 2 2/3 divided by 10 2/3 I don't understand how to estimate the answer.
*April 25, 2012*

**pre-calc**

find the exact value of (5pie/8)
*April 22, 2012*

**physics**

what relationship do you expect between the change in the kinetic energy and the change in the potential energy?
*April 5, 2012*

**physics**

what relationship do you expect between the change in the kinetic energy and the change in the potential energy?
*April 5, 2012*

**physics**

Qualitatively explain how you would expect the potential energy to change as a glider slides down an inclined air track, where friction is negligible.
*April 5, 2012*

**physics**

Qualitatively explain how you would expect the kinetic energy to change as a glider slides down an inclined air track, where friction is negligible.
*April 5, 2012*

**physics**

If you weigh 650 N on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun and a diameter of 15.0 km ? Take the mass of the sun to be ms = 1.99×10^30 kg, the gravitational constant to be G = 6.67×10^−11 Nxm^2...
*March 29, 2012*

**Physics**

How large must the coefficient of static friction be between the tires and the road if a car is to round a level curve of radius 85 m at a speed of 95 km/h?
*March 25, 2012*

**Physics**

A 15 kg child stands on the edge of a small merry-go-round of radius 2.0 m. If the merry-go- round turns at a steady rate of 11 rpm, calculate the magnitude and direction of the net force on the child.
*March 25, 2012*

**Physics**

how am i suppose to know what theta is?!?
*March 14, 2012*

**Physics **

In the design of a supermarket, there are to be several ramps connecting different parts of the store. Customers will have to push grocery carts up the ramps and it is obviously desirable that this not be too difficult. The engineer has done a survey and found that almost no ...
*March 14, 2012*

**Physics**

A roller coaster reaches the top of the steepest hill with a speed of 3.0 . It then descends the hill, which is at an average angle of 40 and is 50.0 long. Estimate its speed when it reaches the bottom. Assume kinetic friction (uk) = 0.18 .
*March 14, 2012*

**French**

Can someone edit my ISU? it's only 8 paragraphs.
*January 16, 2012*

**Physics**

A bucket of mass M = 5.47 kg is attached to a second bucket of mass m = 3:52 kg by an ideal string. The string is hung over an ideal pulley as shown in the gure. Mass M is started with an initial downward speed of 2.13 m/s. What then is the speed (m/s) of mass M after it has ...
*December 13, 2011*

**law**

I have a midterm for criminal justice class to do and the istructor she said as soon as we log in to the system we would have 2 hours 15 mins to complete it
*October 30, 2011*

**REALLY EASY**

Which of the following explanations correctly describes the reason we see the Sun rise and set each day? 1.The Sun rotates on its axis 2.The Earth revolves around the Sun in an elliptical path 3.The Earth rotates on its axis 4.The Sun revolves around the Earth in an elliptical...
*September 19, 2011*

**REALLY EASY **

Which of the following are a consequence of the Earth's yearly motion around the Sun? (check all that apply) 1.the Sun appears in different constellations in different seasons 2.the planets look different than stars 3.the Sun rises and sets 4.the Moon exhibits phases 5....
*September 19, 2011*

**physics**

A truck at rest at a stoplight accelerates uniformly with acceleration a = 8 meters/second2 for 5.5 seconds after the light turns green. What is the speed of the truck in meters/second after that time interval?
*September 18, 2011*

**Physics**

A car accelerates uniformly (a = constant) from 34 meters/second up to 40 meters/second in 4.0 seconds. What is the acceleration of the car in meters/second2?
*September 18, 2011*

**Elementry education major**

how many tens are in 13,644 A.4 B.13,644 C.1,364 D1,364.4
*August 31, 2011*

**Chem 2**

The half-life for the radioactive decay of U-238 is 4.5 billion years and is independent of initial concentration. a) How long will it take for 10% of the U-238 atoms in a sample of U- 238 to decay? b)If a sample of U-238 initially contained 1.9×1018 atoms when the ...
*July 21, 2011*

**History**

All of the following inclined the US toward entering on the side of the Allies in WWI EXCEPT? although some progressives opposed war, the idealistic progressive spirit pointed toward an American campaign to end militarism and establish a peaceful world order. although an ...
*June 26, 2011*

**calculus**

A regular decagon(12 sides) in inscribed in a circle with the radius r. The decagon has an area of108 in^2. What is the radius of the cirlce?
*May 19, 2011*

**calculus**

A regular decagon(12 sides) in inscribed in a circle with the radius r. The decagon has an area of108 in^2. What is the radius of the cirlce?
*May 19, 2011*

**Physics**

Inside the cylinders of a diesel engine, the mixture of fuel and air is compressed to about 1/20 of its original volume. Although diesel engines have no spark plugs to ignite this mixture, it ignites anyway because of what?
*May 6, 2011*

**algebra**

what are two factors of 240 that subtract or add to 14.
*March 24, 2011*

**chemistry**

What is the total amount of heart absorbed by 100.0 grams of water when the temperature of the water is increased from 30.0 degrees Celcius to 45.0 degrees Celcius?
*March 16, 2011*

**Physics**

At a height of 15 meters above the surface of a lake, a sound pulse is generated. The echo from the bottom of the lake returns to the point of origin 0.150 s later. The air and water temperatures are 20°C. How deep is the lake?
*February 11, 2011*

**Chemistry**

How much energy does it take to convert 12.5 grams of water to water vapor?
*February 3, 2011*

**hcr 230**

I was hoping someone could look over my paper and tell me if I am answering correctly the questions below. For patient billing to be operative, dependable financial procedures and policies need to be in order to clarify to the patients what is their responsibility to pay. ...
*January 21, 2011*

**calculus**

The area of a rectangle is 25cm^2. Express the perimter of the rectangle in terms of its width.
*January 19, 2011*

**Phys**

A series of waves traveling at 200m/sec are being generated by a 100 Hz source. A point at the very top of the crest of a certain wave is _______ meters from a corresponding point 3 'crests' away. 0 1.5 2.7 4 6.0 12.0 16.0 30000 I think its 4 b/c 200+200=400 and 400/...
*November 30, 2010*

**Physics**

i think its 4 b/c 200+200=400 and 400/100=4
*November 30, 2010*

**Physics**

A series of waves traveling at 200m/sec are being generated by a 100 Hz source. A point at the very top of the crest of a certain wave is _______ meters from a corresponding point 3 'crests' away. 0 1.5 2.7 4 6.0 12.0 16.0 30000
*November 30, 2010*

**Math**

you divide 12 by 6 first, your supposed to go in order from left to right then multiply by 3 then subtract by 5
*November 22, 2010*

**algebra**

Find the radius of a circle with an area of pi(16x^2+24x+9)
*November 22, 2010*

**Statistics**

a roulette wheel has 40 slots evenly divided between red (even) and green (odd) slots totaling 38 and a "0" and a "00". what is the probability of the ball landing in an: A)even number < 10 B) other than an even or odd number C) odd number > 15 D) ...
*November 21, 2010*

**hcr220 college**

I am confused with what they are wanting me to do. It says write a 1500 to 1750 word essay in which you discuss implications of both forms of the patient's diseases, HIV and AIDS, from the perspective of HIPAA confidentiality. I am confused on what implications means.
*November 21, 2010*

**history**

Your welcome.
*November 20, 2010*

**history**

I believe that it would be c
*November 20, 2010*

**hcr220 college**

Thank you.
*November 20, 2010*

**hcr220 college**

This is a cms 1500 form. Part One: Resources: Appendix A, Appendix C, and Table 8.3 on pp. 258–259 of Medical Insurance Refer to Table 8.3 on pp. 258–259 of your text to complete the CMS-1500 form, located in Appendix C, according to the following case study: A 67-...
*November 20, 2010*

**hcr220 college**

is there an email that I can post an attachment?
*November 20, 2010*

**hcr220 college**

I have done my cms 1500 form but I want to make sure that I did it correctly. Here it goes: i tried to post it but it will not allow
*November 20, 2010*

**Spanish 1**

46.would be d because they are plural 47.c there is not anyone in the house. 48. is true
*November 20, 2010*

**Health ins **

Course project,to research a healthcare facility How do i write a Outline
*November 20, 2010*

**CALC**

Evaluate the integral: the integral of [5e^(2t)]/[1+4e^(2t)]dt. I used u sub and let u=e^2t and got 5/2arctan(e^2t)+C. But this answer is incorrect. Please help. Thanks
*November 17, 2010*

**Calculus**

Evaluate. The integral of (e^5x)(sin6x)dx
*November 16, 2010*

**Physics homework help**

those are the answer choices in my book...
*November 14, 2010*