Thursday

December 18, 2014

December 18, 2014

Total # Posts: 103

**Chemistry**

Dinitrogen tetraoxide decomposes to give nitrogen dioxide. Calculate the equilibrium concentration of NO2 at 100oC if the equilibrium constant is 0.200 and [N2O4] = 0.800M. N2O4(g) ¡ê 2 NO2(g)
*December 9, 2014*

**Newtons Law of Cooling**

A salad with a temperature of 43F is taken from the refrigerator and placed on the table in a room that is 68F. After 12 min the temperature of the salad is 55F. What will the temperature of the salad be after 20 min.
*December 1, 2014*

**algebra**

Graph the piecewise function given by f(x)= -1/3x +2, x<0 x-5,x>0
*November 16, 2014*

**algebra**

The area of a rectangle formula is A = lw. Suppose that the width is 5 less than the length. Express area as a function of the width.
*November 14, 2014*

**statistics**

A college student takes a standardized test and scores a 163. If the mean is 155 and the standard deviation is 7, what is the student’s percentile rank? (Assume a normal distribution.)
*October 17, 2014*

**precal**

what is the 7th geometric sequence when a10 is 9 and a13 is -72
*September 30, 2014*

**Accounting 205**

help with paper on basic transaction processing fr Richard Simmons
*March 22, 2014*

**Business**

You are developing a data base for Army tracked combat vehicles and you are normalizing the data base to base year 2007 dollars. What number would you enter into the data base for a vehicle budgeted at $1,725,000 in the FY08 appropriation?
*November 5, 2013*

**mathematics**

Given the points A(-1;-1) ,B(2;5) ,C(-1;-5/2) and D( X;-4) andAB perpendicular to CD, determine the value of X
*July 27, 2013*

**mathematics**

The base of a pyramid is a regular hexagon consisting of six equilateral triangles with side of 30cm .Calculate the area of the base of the pyramid?
*July 23, 2013*

**English**

Explain why the literary work captured your interest, using term and concepts form the text to support your explanation.
*June 10, 2013*

**math**

Can you double check my answer for me. The question is Corinne calculated the area of a paper plate to be 50.27 square inches. If the actual area of the plate is 55.42 square inches , what is the relative error in calculating the area, to the nearest thousandth. I got 0.093 I ...
*June 9, 2013*

**math**

thank you :)
*June 8, 2013*

**math**

Can you let me know if I got the correct answer. The question says the expression (10w^3)^2/5w is equivalent to? I got 20w^5 , Is this correct? Thanks
*June 8, 2013*

**Physics**

A compact disc spins at 2.7 revolutions per second. An ant is walking on the CD and finds that it just begins to slide off the CD when it reaches a point 2.6 cm from the CD's center. (a) What is the coefficient of friction between the ant and the CD?
*June 8, 2013*

**Math**

Thank you! :)
*June 7, 2013*

**Math**

The question is that the length of a rectangle is 15 and its width is w. The perimeter of the rectangle,at most,50. Which inequality can be used to find the longest possible width? A. 30+2w<50 b. 30+2w<or=50 c.30+2w>50 d. 30+2w>or=50 so I did L=15 p=2(15)+2w<or=...
*June 7, 2013*

**Math**

For a fundraiser the soccer team is planning to sell potting soil. The two boxes they will use to sell the soil are shown below. How much do you think they ought to charge for the larger box of potting soil based on the volume of the two boxes? Explain in detail and give ...
*April 16, 2013*

**Math**

Merrie is putting away the 1 cubic centimeter blocks. She has a box that is 24 cm by 12 cm by 6 cm. How many cubes can she put away in this box?
*April 16, 2013*

**health and wellness**

what are some of the most important elements of health and wellness? explain your response in 150 -300 words
*April 15, 2013*

**Chemistry**

total Q=2350.37
*January 30, 2013*

**statistics**

23 percent of all homes purchased were investments 800 homes were sold what is probability 175 of homes were for investment
*December 11, 2012*

**math**

Solve the system of equations by graphing 2x+y=8 X+3y=9
*November 9, 2012*

**algebra**

•What are two symbolic techniques used to solve linear equations? •Which do you feel is better? •Explain why
*November 8, 2012*

**business**

consider the factorsw from the situationa leadership theory outlined in figure 12.4. Apply these factors to Facobs and Windber
*November 6, 2012*

**math**

A barrel contains 163 gallons of paint and is being drained at a constant rate of 12 gallons per minute Write an equation that models the number of gallons, g, after t minutes The equation that models the given situation is
*November 4, 2012*

**math**

A barrel contains 163 gallons of paint and is being drained at a constant rate of 12 gallons per minute Write an equation that models the number of gallons, g, after t minutes The equation that models the given situation is
*November 4, 2012*

**math**

3a+2-5a=-14 combine like terms right?
*October 22, 2012*

**Math**

7(s-5)=42
*October 22, 2012*

**bookkeeping version 1**

The assets division should contain what accounts?
*October 9, 2012*

**english**

Ihave to write a polished paragraph to take with me when I go for my interview. I have to create the pretend job and my field of study using experience that motivated me
*May 20, 2012*

**lifeorentation**

Identify and discribe one environmental problem that causes ill ,accidents,crises and disaster
*April 16, 2012*

**astronomy**

A body has four times the mass of the Earth but its radius is two times larger. What is the acceleration of gravity on the surface of this planet? If you were on this planet, should you be able to jump (on average) farther distances, shorter distances or the same distances as ...
*March 6, 2012*

**fin/370**

Firm A had $10,000 in assets entirely financed with equity. Firm B also has $10,000, but these assets are financed by $5,000 in debt (with a 10 percent rate of interest) and $5,000 in equity. Both firms sell 10,000 units of output at $2.50 per unit. The variable costs of ...
*February 26, 2012*

**math**

a certain center uses both form and form b if form a is used 4 times more than form b and in the course of one day they use form a and b 750 times how many times was form a used
*February 4, 2012*

**business**

which of the following would not be an informative or positive message? summary, procedures manual, transmittal, and direct request
*January 27, 2012*

**business**

which statement presents a negative element in a positive way? the part cant be replaced at no charge only if your unit is less two years old. if your unit is too old,you will have to pay 49$ for a replacement part. we cannot replace the part for free on those older units. You...
*January 27, 2012*

**Algebra2**

in the triangle ABC, the measure of angle b=21 more than three times the measure of angle A. the measure of angle C=54 more than the measure of angle A. find the measure of each angle
*December 18, 2011*

**Math**

How to write l,582,658,124 in word form
*October 31, 2011*

**Grammar**

Select the correctly punctuated sentence. 1. Thank you for asking me to meet with your patient, Wonder Woman, who came to the appointment accompanied by her husband. 2.Thank you for asking me to meet with your patient Wonder Woman who came to the appointment accompanied by her...
*October 21, 2011*

**physics**

There was no height given and no other info given for this problem. Per the textbook, the answers are (a) 1.57sec (b) 41.9m/s (c) 51.3m/s and -45 degree angle. But I can't figure out how the answers were calculated?
*October 16, 2011*

**physics**

yes the question was copied correctly.
*October 16, 2011*

**physics**

Suppose a stone is thrown at an angle of 30 degrees below the horizontal, if it strikes the ground 57m away, find (a)the time of flight, (b)the initial speed, and (c) the speed and the angle of the velocity vector with respect to the horizontal impact.
*October 16, 2011*

**Math**

1. add -n and -4n=-5n 2. add -4+15=11 =-5n+11
*September 9, 2011*

**algebra 1**

16y+23x
*September 9, 2011*

**algebra**

what is 2.5 equivalent to in decimal form? find that out and you will have the answer.
*September 9, 2011*

**reading**

Could 8th grades books to read? I am more on a college/highschool reading level but i need the appropriateness for an 8th grader. thanks.
*September 9, 2011*

**Math**

yes sorry about that :)
*September 9, 2011*

**Math**

Hi, I was just curious if anyone remembers how to turn a repeating fraction into a decimal?
*September 9, 2011*

**math**

1,560 1600 2000
*September 7, 2011*

**Engllish**

He gives the appearance of being a sales man
*September 4, 2011*

**Math**

For a class test, the mean score was 65, the median score was 71 and sthe standard deviation of the scores was 7. The teacher decided to add 5 points to each score due to a grading error. Which of the folloiwng must be true for thenew scores? TH
*August 15, 2011*

**PHYSICS _ please help**

A metal block of volume 1 * 10^3 cm^3 is suspended from a thread as shown in the diagram. It is lowered into a beaker of liquid of unknown density until it is completely immersed but does not touch the bottom of the beaker. The beaker rests on a balance. The reading of the ...
*August 9, 2011*

**stoichiometry**

How many moles of hydrogen are needed to completely react with 2.0 moles of nitrogen? N2 + 3H2 -- 2 NH3
*March 29, 2011*

**Accounting**

Cambridge Manufacturing Company, Inc. has 200 labor-hours available. There is no limit on machine hours. Cambridge can sell all of Product B that it wants, but it can only sell 30 units and 20 units of Products A and C, respectively. Product-A Product-B Product-C Contribution ...
*February 26, 2011*

**Intermediate Algebra**

I am suppose to do a graph using these numbers: 6x - 2y = 2 9x - 3y = 1 but I cannot get the graph link to come up any suggestions.
*February 23, 2011*

**Intermediate Algebra**

Thank you so much.
*February 22, 2011*

**Intermediate Algebra**

Can someone help me with this problem m-2n=16, 4m + n=1
*February 22, 2011*

**Chemistry**

2Na + Cl2 > 2NaCl then the question from above - would it still be 10? If so, can you just explain to me how you got there.
*January 12, 2011*

**Chemistry**

How many mols of NaCl are produced if you start with 5.0 mols of Chlorine?
*January 12, 2011*

**Comp**

What is the plural possessive of brother-in-law?
*November 21, 2010*

**Physics**

TWo blocks of massses 20 kg and 8 kg are connected together by a light string and rest on a frictionless level surface. Attached to the 8 kg mas is a second light string, which a person uses to pull both blocks horizontally. If the two-block system accelerates at .5 m/s ...
*October 25, 2010*

**geometry**

how would I draw a shoe using 2 acute and 2 obtouse angles
*October 5, 2010*

**Nutrition,Health, and Safety in young children**

: All of the following foods are common allergens EXCEPT ___a._. a. rice b. orange juice c. eggs d. whole wheat bread
*September 17, 2010*

**Nutrition,Health, and Safety in young children**

: All of the following foods are common allergens EXCEPT ____. a. rice b. orange juice c. eggs d. whole wheat bread
*September 17, 2010*

**Fundamentals of Cost Analysis (Economic Analysis)**

1) The President's Budget request included $1,345,000 for an Air Force research and development effort in FY11. The project has been delayed three years until FY14. What would be the budget request for FY14 for this effort? (Use the inflation tables at the end of the ...
*August 19, 2010*

**Science**

Should humans strive to preserve a representative sample of all biomes or aquatic zones? Why should humans be concerned with the extinction rate?
*July 14, 2010*

**Mth/209**

x/3 = 4/ x + 1
*July 5, 2010*

**history**

What social, political, and economic changes pulled the North and the South farther apart? What was the final determining factor that led to Southern secession? What social and economic changes discussed in previous chapters fueled sectional conflict?
*May 20, 2010*

**Science**

can you show me how you got your answer for free.
*April 13, 2010*

**Science**

can you show me how you got your answer?
*April 13, 2010*

**physics**

A mountain climber friend with a mass of 80kg ponders the idea of attaching a helium-filled balloon to himself to effectively reduce his weight by 25% when he climbs. He wonders what the approximate size of such baloon would be.
*March 26, 2010*

**Math**

Petra bought gasoline when the odometer read 15,345.4 .After the next filling, the odometer read 15665.6 .It took 13,4 gal to fill the tank. How many miles did she drive. How many miles per gallon did the car get.
*November 30, 2009*

**criminal justice**

Provide an example of an effective and an ineffective Supreme Court judge
*November 21, 2009*

**CRT**

ok thank you for the link.
*October 29, 2009*

**CRT**

Identify at least two arguments in the article. Outline the premises and conclusions of each argument you find. Then, answer the following questions for each argument, making sure to explain how you arrived at your answers. o Do the premises sufficiently support the ...
*October 29, 2009*

**math**

how do you divide decimals, step by step
*September 23, 2009*

**business research**

You conduct a survey of a sample of 25 members of this year’s graduating marketing students and find that the average GPA is 3.2. The standard deviation of the sample is 0.4. Over the last 10 years, the average GPA has been 3.0. Is the GPA of this year’s students ...
*September 9, 2009*

**math**

yiu have to ad the sum of the digits so which one of these digit ad up to 3? 13, 15, 17, 19, 21, 23?
*August 30, 2009*

**math**

did i solve for y correctly? 1/2y+2-y=1 -1/2y+2=1 -1/2y=1-2 -1/2y=-1 y=-1*-2/1 y=2
*April 2, 2009*

**Science**

Any ideas on experiments we can do for our Human Physiology experiment? We are thinking of effects of body position on HR and BP but we need some kind of creative twist. Any ideas? Thanks!
*April 2, 2009*

**Algebra**

How did you get the a^2?
*April 2, 2009*

**human physiology**

hi there! Any ideas on a student designed experiment? We will have use of all the biopac,biolab equipment, bp monitors, etc. We have come up with some rather dull ideas, such as effect of body position on hr and bp...but sure would like a creative twist! Thank you! Gail
*April 2, 2009*

**human physiology**

My lab group is looking for ideas for a fun and interesting experiment. We have all the biolab experiment equipment...so some ideas that would affect bp, heart rate, would be so welcomed! Thank you!
*April 2, 2009*

**algebra**

Solve the system of equations using the addition (elimination) method. If the answer is a unique solution, present it as an ordered pair: (x, y). If not, specify whether the answer is "no solution" or "infinitely many solutions" and state how you arrived at...
*March 24, 2009*

**Math**

thank you
*March 24, 2009*

**Math**

Solve the system of equations using the addition (elimination) method. If the answer is a unique solution, present it as an ordered pair: (x, y). If not, specify whether the answer is "no solution" or "infinitely many solutions" and state how you arrived at...
*March 24, 2009*

**biology**

Which process occurs in fungi and has the opposite effect on a cell's chromosome number than does meiosis I? karyogamy mitosis plasmogamy crossing-over binary fission I know that it is not mitosis. And I dont think that it is crossing-over. I was thinking that it was ...
*February 24, 2009*

**biology**

Im sorry!!! Which process occurs in fungi and has the opposite effect on a cell's chromosome number than does meiosis I? I think that the answer is (c). What do you think?
*February 23, 2009*

**biology**

a. crossing-over b. plasmogamy c. mitosis d. karyogamy e. binary fission I know that is is not (a). Can you help me narrow it down any further?
*February 23, 2009*

**biology**

All of the following important concepts of population genetics are due to random events or chance except mutation natural selection the bottleneck effect the founder effect sexual recombination I am pretty sure that the answer would be "natural selection", but I ...
*January 31, 2009*

**Biology**

Thank you!
*January 31, 2009*

**Biology**

Darwin was able to formulate his theory of evolution based on several facts. Which of the following facts was unavailable to Darwin in the mid-nineteenth century? Natural resources are limited. Individual organisms in a population are not alike. Characteristics are inherited ...
*January 31, 2009*

**business**

When writing a Hypothesis , how would you answer this qyuestion? What skills or qualifications do you possess that will help you undertake this project?
*November 21, 2008*

**Literature**

Zlatek the Goat ?
*September 16, 2008*

**History**

What would Eisenhower be remembered for?
*April 27, 2008*

**managerial economics**

a. Should the Miami plant be closed or continue to operate at a loss in the short run? The Miami plant should not be closed. b. How would you explain to the incorrect party that he or she is wrong? The $68,000 in fixed costs will still exist until the plant is sold, if they ...
*February 29, 2008*

**Science**

Which continent is now part of Eurasia but, according to theory, was originally a seperate continent that moved northward into its present position?
*January 6, 2008*

**Math Finance**

8.42
*September 24, 2007*

**Algebra**

Jill has $3.50 in nickels and dimes. If she has 50 coins, how many of each type does she have
*September 20, 2007*