Friday

April 25, 2014

April 25, 2014

Number of results: 2,727

**CALCULUS ECONOMICS**

Consider the problem of a competitive firm which has fixed costs of $1000, semi-fixed-costs of $1000, and variable costs given by q2. QUESTION: What is the maximum market price at which the firm decides to supply zero?
*Thursday, March 13, 2014 at 4:09pm by Jenney*

**CALCULUS ECONOMICS**

Consider the problem of a competitive firm which has fixed costs of $1000, semi-fixed-costs of $1000, and variable costs given by q^2. QUESTION: What is the maximum market price at which the firm decides to supply zero?
*Thursday, March 13, 2014 at 4:10pm by Jenney*

**HELP ME PLEASE**

how will the fundemantal accounting equtation (assets=liabilities+owners equity) change if supplies are purchased on account? explain how tgis purchase will or will not change the owner's equity? i thought maybe if the company buys 1000.00 on office supplies account it would ...
*Tuesday, August 7, 2007 at 6:37pm by AMANDA*

**Calc.**

1000 yds of fence x 1000-x 1. Show that the area function to be maximized is A(x) = ( pi + 4 / 16pi) x^2-125x+62500 2. Show that the critical point of A(x) is x=1000pi/pi+4 3. 1000yds of fencing and y>2r, find the values of r and y that maximizes the area of this new region...
*Wednesday, April 18, 2012 at 12:10am by Al*

**matlab**

One bank pays 5.5 percent annual interest, while a second bank pays 4.5 percent annual interest. Determine how much longer it will take to accumulate at least $50 000 in the second bank account if you deposit $1000 initially and $1000 at the end of each year. need help writing...
*Saturday, October 29, 2011 at 10:31pm by sean*

**CHEM 102**

Can someone help me with this question please? What is the pH at each of the points in the titration of 25.00 mL of 0.1000 MHCl by 0.1000 M NaOH:i) After adding 25.00 mL NaOH ii) After adding 26.00 mL NaOH thankyou
*Thursday, August 18, 2011 at 11:39pm by Anonymous*

**CHEM 102**

Can someone help me with this question please? What is the pH at each of the points in the titration of 25.00 mL of 0.1000 MHCl by 0.1000 M NaOH:i) After adding 25.00 mL NaOH ii) After adding 26.00 mL NaOH thankyou
*Thursday, August 18, 2011 at 11:40pm by paige*

**biology**

Trophic Level Cylinder Volume of H2O Volume of Oil Total Volume % Oil 1st 1000 ml 1000 ml 2nd 100 ml 100 ml 3rd 10 ml 10 ml
*Thursday, August 9, 2012 at 9:37am by kiesha*

**Chemistry**

Using the reaction below, calculate how many grams of bromine gas are necessary to produce 1.00mL of hydrogen bromide gas at STP. H`2 + Br`2 -> 2 HBr where `2 is a subscript two.
*Monday, March 10, 2008 at 7:20pm by Dean*

**chemistry please**

find molar concentration of the solution. .128 g of benzophenone and fill in a beaker with ethanol to the 50.00mL line i came up with 3.5 x 10^-5 (0.128)(1/182.217)(.049872)
*Sunday, February 1, 2009 at 2:48pm by john*

**Chemistry**

A 30.00ml sample of 0.1234 M hypobromous acid (HBrO) is titrated with a 0.2555 M KOH solution. The Ka for HBrO is 2.5*10^-9 Calculate the pH of teh titration mixture at the equivalence point.
*Saturday, April 17, 2010 at 11:28am by Anonymous*

**chemistry**

What is the molarity of a sulfuric acid solution if 30.00mL of H2SO4 is required to neutralize 0.840g of sodium hydrogen carbonate? H2SO4(aq) + NaHCO3(aq) → Na2SO4(aq) + H2O(l)+ CO 2(aq)
*Tuesday, December 4, 2012 at 6:00pm by shane*

**Chemistry**

Dear sir, madam, I am having a little problem with the solution my chemistry book gives on the following problem: We have a person whose body vitamine C concentration decays according to the following formula: 1500*0,974^t. Question A is no problem, but then question B: "...
*Wednesday, October 17, 2012 at 8:16pm by Tom*

**Science**

A material has 32 atoms in all; 24 decayed and the rest undecayed. If the half-life of the radioactive material is 1000 years, what is the age of the material? a. 1000 years b. 2000 years c. 3000 years d. 4000 years
*Wednesday, April 15, 2009 at 11:47pm by Angie*

**Math**

75 mg of salt is equivalent to how many grams of salt? They got 0.075. How did they arrive at that answer? A milogram (mg) is 1/1000 of a gram. In other words, each gram contains 1000 milograms. To convert from mg to grams, divide the mg by 1000. In this problem, you move the ...
*Tuesday, June 26, 2007 at 6:40pm by Mack*

**Finance**

I dont have a formula for this question: Purchasing Power= 1280.08 (Nov.1/07) Purchasing Power= 1000.00 (Nov.1/97) What is the annual rate of inflation? I think it can be solved 1280.08/1000 -1 but Im not sure??
*Friday, November 7, 2008 at 10:40am by Barry*

**Chemistry**

5.00mL of .00500 M ferric nitrate is added to 5.00 Ml of nitric acid and 10.0 Ml of .00250 M thiocyanate solution. Calculate the initial FE^3+ concentration before reaction. I know F3^3+=Cfe-[FESCN^2+] after that I have no idea what to do. Help please?? =-(
*Sunday, February 21, 2010 at 5:02pm by Koo*

**Chemistry**

Calculate the molarity of an aqueous NaOH soultion if 32.00ml of it is required to titrate. 0.6789 g of oxalic acid to phenolphthalein end point. The balanced chemical equation is H2C2O4 + 2NaOH-> Na2C2O4 + 2H2O
*Monday, December 6, 2010 at 6:16pm by Sonya*

**please help meDr.Bob**

I would appreciate very much If you guys could show me how to approach this problem. A solution is prepared by dissolving 10.8g of ammonium sulfate in enough water to make 100.0mL of stock solution. A 10.00mL sample of this stock solution is added to 50.00mL of water. ...
*Sunday, September 23, 2007 at 4:05pm by claudia*

**chemistry**

calculate the molarity of acetic acid in a vinegar sample,knowing that 5.00ml of vinegar requires 43.50ml of 0.105 M NaOH to just reach the phenolphthalein endpoint in a titration
*Sunday, October 30, 2011 at 7:43pm by denis*

**chemistry**

calculate the molarity of acetic acid in a vinegar sample,knowing that 5.00ml of vinegar requires 43.50ml of 0.105 M NaOH to just reach the phenolphthalein endpoint in a titration
*Monday, October 31, 2011 at 7:22am by denis*

**College Chemistry**

What volume of the solution in 5a would be necessary to react completely with 23.00mL of 0.549M NH3 according to the equation: NiSO4+6NH3 -> [Ni(NH3)6]SO4 The molarity of ta is 1.667 x 10^-4M
*Thursday, October 25, 2012 at 1:40am by Bill*

**Chemistry**

You want to make 1000 ml of an 0.1 M HA buffer so that the pH=pKa of HA. To make this buffer you need to add ____ HA and ____ mL of 1M NaOH and then add enough water to give 1000 mL. HA is a weak acid.
*Monday, January 12, 2009 at 5:33pm by Jessica*

**statistics**

Assume that the population proportion is .55. Compute the standard error of the proportion, ( ), for sample sizes of 100, 200, 500, and 1000 (to 4 decimals). a. 100? b. 200? c. 500? d. 1000?
*Monday, April 14, 2014 at 5:16pm by Vanessa*

**maths**

I've to create a scatter plot using the following coordinates: (0,15.0), (1000,13.0), (2000,11.0), (3000,9.1) and (4000,7.1) using these points i have to find a prediction equation. thus, i used the points (1000,13.0) and (3000,9.1) the equation i found was y = -0.00195x + 14....
*Tuesday, February 9, 2010 at 7:02am by bindiya farswani*

**econ**

P=15-Q/1000. Suppose there are two firms in this market. Compute equilibrium quantities and profits for each firm, and the equilibrium market price. Hint: Start with thinking about the number of loaves a firm will sell in a month — this quantity must be where its marginal ...
*Monday, May 28, 2012 at 1:57am by Anonymous*

**math**

I get confused on this. What type of chart would I use that would show the relationship between age and deaths/1000 people from car accidents. We are provided age groupings of 1-14, 15-24, 25-44, 45-64, and 65+ with this we also have the death rates for each group per 1000. I ...
*Thursday, November 18, 2010 at 1:03pm by m*

**chemistry help plzzz**

how can i calculate the pH of the solution obtained when 50.00mL of 0.150mol/L hydrochloric acid is added to 75mL of a 0.111 mol/L aqueous sodium hydroxide solution. need help i am stuck with that question thank you :)
*Friday, December 24, 2010 at 5:19pm by tarkan *

**Chemistry**

What mass of baking soda (NaHCO3) would be required to neutralize 10.00mL of 12.1M muriatic acid remaining in a empty water bottle? HCl(aq)+NaHCO3(aq)=>NaCl(aq)+CO2(g)+H2O(l)
*Wednesday, April 13, 2011 at 10:52pm by Mateo*

**College Chemistry**

calculate the initial concentration of SCN- ions and Fe3+ ions when a solution was prepared by mixing 3.00mL of 0.00280M KSCN, 6.00 mL of 0.250M Fe(NO3)3 and 16ml of 0.050M HNO3.
*Monday, February 10, 2014 at 11:31pm by Cat*

**physics**

Camping equipment weighing 6000 N is pulled across a frozen lake by means of a horizontal rope. The coefficient of kinetic friction is 0.05. The work done by the campers in pulling the equipment 1000 m at constant velocity is: We never utilized friction this chapter so I don't...
*Wednesday, October 13, 2010 at 1:55am by Spider*

**Chem 100L**

Calculate the molarity of an aqueous NaOH solution if 32.00ml of it is required to titrate .6789g of oxalic acid to a phenophthalein end-point. the balanced chemical equation is H2C2O4 + 2NaOH ---> Na2C2O4 + 2H2O
*Sunday, December 2, 2012 at 3:40pm by Tammytha*

**Chemistry**

Is this answer correct? Calculate the molar concentration of sodium hydroxide solution if 36.00mL of this solution were required to neutralize 25.00 mL of a 0.2000 M solution of hydrochloric acid. .0288M??????
*Wednesday, May 25, 2011 at 1:48pm by jordan*

**math**

find the compound ammount $1000 at 6% compounded annually for 8 years Use A=P*(1+i)^n where P=1000, i=.06 and n=8 P is the Principal, i is the annual interest rate expressed as a decimal,and n in the number of periods in the compounding period. BTW, are you the one who asked ...
*Tuesday, September 19, 2006 at 7:58pm by john*

**math**

the half life of the carbon isotope C14 is about 5700 years. A. about how many years does it take 1000 grams of this substance to decay to 500 grams? B. about what percent of the original amount would you expect to find after 1000 years?
*Wednesday, October 9, 2013 at 10:10pm by becky*

**chemistry**

If 1.20 grams of sodium metal are reacted with 4.00mL of water, how many grams of NaOH will be produced (density of water= 1.00g/mL)
*Monday, September 21, 2009 at 2:39pm by Andy*

**chemistry**

Ka for hypochlorous acid, HClO, is 3.0*10^(-8). Calculate the pH after 10.0, 20.0, 30.0, and 40.0 mL of 0.100M NaOH have been added to 40.00mL of 0.100M HClO.
*Thursday, March 10, 2011 at 10:31pm by a*

**Chemistry**

Determine the mass of CuSO4.5H20 needed to make 100.00mL of a .100M CuSO4.5H20 aqueous solution..
*Thursday, February 2, 2012 at 12:59pm by Neha*

**Intro Chemistry**

_______g of MnSO4 H2O are needed to prepare a solution of 100.00mL of 0.100 M MnSO4. Thank You
*Monday, April 12, 2010 at 4:51pm by ChEm*

**chem**

What volume of a 8.50M Na2CO3 solution would be required to prepare 220.00mL of a 8.20%w/v Na2CO3 solution?
*Tuesday, November 29, 2011 at 4:34pm by darren*

**Chemistry**

If 18.8mL of 0.800M HCL solution are needed to neutralize 5.00mL of a household ammonia solution, what is the molar concentration of the ammonia? How do I solve this? Thank you.
*Wednesday, September 29, 2010 at 12:20am by Erin*

**Chemistry**

If 36.00 mL of KMnO4 solution are required to oxidize 25.00mL of 0.02932 M Na2C2O4 solution what is the concentration of KMnO4?
*Tuesday, November 2, 2010 at 10:50am by Tilly*

**Chemistry - Density**

Automobile batteries contain sulfuric acid. Calculate the number of grams of sulfuric acid in 0.500L of battery acid if the solution has a density of 1.28g/mL and is 38% H2SO4 (small numbers) by mass? Can you please answer this for me? density = 1.28 g/mL mass of 1 L is 1.28 g...
*Thursday, October 5, 2006 at 4:12pm by Tracey*

**pre calculus**

Jack invests $1000 at a certain annual interest rate, and he invests another $2000 at an annual rate that is one-half percent higher. If he receives a total of $190 interest in 1 year, at what rate is the $1000 invested?
*Tuesday, March 4, 2014 at 12:46am by Danielle*

**College Chemistry Lab**

For the following mixture, determine the initial concentration of Fe^3+. 0.00250M Fe^3+ --- 8.00mL 0.00250M SCN^- --- 7.50mL 0.10M HNO3 --- 4.50mL
*Tuesday, March 16, 2010 at 7:59pm by L***

**macroeconomics**

Could you please help me with these couple of problems? Assume that C=a+(.75)(YD), where YD= Y-T 1. If the autonomous tax increases by 1000, the leakage schedule will shift up by how much? 2. A full employment income, planned aggregate expenditure exceeds income by 1000, what ...
*Monday, April 21, 2008 at 12:57pm by John*

**chem101**

if 23.74ml of 0.01470M NaOH are required to completely neutralize 25.00ml of gastric juice,calculate the concentration of the hydrochloric acid[in g/L]in stomach gastric juice
*Sunday, April 11, 2010 at 3:40am by kabelo*

**acid and base titrations**

Which of the following solutions should be used when titrating a 25.00mL sample of CH3COOH that is approximately 0.1 M? a.) 0.150 M NaOH b.) 0.001 M NaOH c.) 3.00 M NaOH d.) 6.00 M NaOH
*Sunday, November 21, 2010 at 5:15am by jj reddick*

**Calculus**

A construction company wants to build a rectangular enclosure with an area of 1000 square feet by fencing in three sides and using its office building as the fourth side. Your objective as supervising engineer is to design the enclosure so that it uses the least amount of ...
*Tuesday, August 9, 2011 at 10:31am by Joey*

**math**

how many millimeters are in 5 meters? 5000..i think 1000 mm = 1 meter. 5 meters x (1000 mm/1 m) = ?? Thats what I thought. I am pretty sure 5000 is right? You are correct. 5000 millimeters are in 5 meters....
*Thursday, February 22, 2007 at 11:04pm by jenny*

**number theoRY!!!**

How many integers appear in both of the following arithmetic progressions: A1: 2, 9, 16,.....2+(1000-1)*7 A2: 3, 12, 21,.....3+(1000-1)*9 Since 2 appears in A1 but not in A2, it does not appear in both of the arithmetic progressions.
*Monday, March 18, 2013 at 3:11am by please..anyone help!!*

**math**

In December Corey took out a 1000-dollar loan with monthly interest rate 0.7 percent. In order to pay back the loan, Corey has been paying $87.17 a month since January. Explain why the sequence defined recursively x0=1000 and xn=1.007(xn-1) for positive n describes the balance...
*Tuesday, November 8, 2011 at 12:48pm by Danielle*

**marketing**

Matt owns a donut shop. He rents a space for $1500 a month and pays his only employee $300 a month. Matt can serve 1000 donuts each month. His variable cost per donut is $2. what price does Carlos need to charge in order to make a profit of $2000 per month? A. $3.80 B. $5.80. ...
*Saturday, December 9, 2006 at 2:30pm by Kay*

**Chem**

Tt is found that an average volume of 24.25 ml of approximately 0.1 M NaOH is required to reach an endpoint in a titration with 25.00ml of 0.09917 M HCl solution. What is the NaOH concentration? Make sure to give answer to four significant figures.
*Friday, May 3, 2013 at 1:11am by Abenaa*

**Chemistry(Please help, thank you!!)**

Determine the concentration of a NaOH solution if 27.80mL of NaOH is required to neutralize 10.00mL of a 1.00 M H2SO4 solution. (Hint:Review monoprotic vs. diprotic acids.) would I do (27.80)(10)? Thank you for your help!!
*Tuesday, October 25, 2011 at 10:21pm by Hannah*

**Math**

write an exponential regression equation, rounding the values to the nearest ten-thousandth. trial: Coins: 0 1000 1 610 3 220 4 132 6 45 the trial and coins didnt seperate into the columns I made .. 0 - 1000 1 - 610 3 - 220 4 - 132 6 - 45
*Sunday, December 10, 2006 at 5:55pm by Peter*

**Chemistry**

If 15.0ml of a 6.0M HCl solution is diluted to 75.00ml, what is the molarity of the diluted solution?
*Saturday, March 5, 2011 at 4:58pm by jake*

**computer c++**

write a program that produce a bar chart showing the population growth of Prairieville, a small town in the Midwest, at 20 year intervals during the past 100 years. the program should read in the population figures (rounded to the nearest 1000 people) for 1900, 1920, 1940, ...
*Monday, April 5, 2010 at 10:11pm by mike*

**physics**

Rank these automobiles based on the magnitude of the impulse needed to stop them, from largest to smallest. 2000 kg car going 5m/s 500 kg car going 20 m/s 1000 kg car going20m/s 500 kg car going10m/s 1000 kg car going10/s 4000 kg car going 5m/s
*Tuesday, March 8, 2011 at 6:32pm by Diana*

**college statistics**

a set of data is normally distributed with a mean of 1000 and a standard deviation of 100.what would be standard score for a score of 900.what percent of scores is betyween 1000 and 900.what would be percentile rank for a score of 900.
*Sunday, June 3, 2012 at 4:51pm by melba*

**Chemistry II**

What volume of .0500 M Ba(OH)2 will react completely with 21.00 mL of .500 M HCl? Same type problem. Post your work if you get stuck. 2HCl + Ba(OH)2 --> 2HOH + BaCl2 (.0500 mol HCl / 1000 mL) (21.00 mL) (1 mol Ba(OH)2 / 2 mol HCl) (1000 mL / .0500 mol Ba(OH)2) = 1.05e2 mL ...
*Wednesday, April 25, 2007 at 6:27pm by Jayd*

**physics : different question **

Rank the automobiles based on the magnitude of the force needed to stop them, from largest to smallest. 2000 kg car going 5m/s 500 kg car going 20 m/s 1000 kg car going20m/s 500 kg car going10m/s 1000 kg car going10/s 4000 kg car going 5m/s
*Tuesday, March 8, 2011 at 6:33pm by Diana*

**Algebra**

Okay, so I am stuck on solving this using the substitution method. The mortgage department of the company is selling two model homes that are located on the same block. The square footage, as well as the type of model, determines the cost of these homes. e) The second home has...
*Friday, December 18, 2009 at 10:00pm by Joanne*

**Chemistry**

How many milliliters of 0.0850 M Na3PO4(aq) will react with 22.00 mL of 0.0800 M MgCl2(aq)? 3 MgCl2(aq) + 2 Na3PO4(aq) ==> Mg3(PO4)2(s) + 6 NaCl(aq) V x M = V x M (22.00mL)(0.0800M) = (0.0850M)(x) Is this the correct set-up? Does it have 4 sigfigs, or am I wrong?
*Thursday, June 30, 2011 at 11:26pm by Bradley*

**chemistry**

what is ph during titration of 10.00ml of 0.1000m triethylamine, ch3ch2)3n (kb=2.3x10^-, with 0.1000m HCL solution after addition of titrant (HCL) 1, 0ml, 5ml,10ml, 20ml,30ml
*Friday, October 14, 2011 at 11:25am by ette*

**Chemistry **

Consider the following chemical reaction 2HCl+Ca(OH) CaCl+2H2O you have a mixed solution with 20.00mL of 0.100M Ca(OH)2 solution What is the molarity of the HCl,Ca(OH)2 and CaCl2 after the reaction has stopped?
*Wednesday, December 4, 2013 at 11:55pm by Ruffles*

**socials**

demographer 1. calculate following increases or decreases in population for following countries. Country A Births/1000 = 90 Deaths = 36 Immigrants = 20 Emigrants = 10 I calculate this I get 64/1000 Country B Births/1000 = 75 Deaths = 15 Immigrants = 10 Emigrants = 2 I ...
*Thursday, January 5, 2012 at 7:22pm by Mohammad*

**Functions (Math)**

In the formula A=p(1+i)^n, I can not remember how to sub a value for "i" (interest) into the equation. For example, A $1000 investment is made in a trust fund that pays 12%/a compounded monthly. How long will it take the investment to grom to $5000? A- 5000 p- 1000 i- ? What ...
*Saturday, January 2, 2010 at 5:57pm by Jamie*

**math**

heather's puppy has a mass of 1000 grams. what is the mass of heathers puppy in kilograms? 1000 kilograms 100 kilograms 10 kilograms 1 kilogram
*Wednesday, March 14, 2012 at 3:19pm by yes*

**calculus**

The demand function for a product is given by p = 10,000 [1 − (5/5 + e^−0.001x)] where p is the price per unit (in dollars) and x is the number of units sold. Find the numbers of units sold for prices of p = $1000 and p = $1500. (Round your answers to the nearest ...
*Friday, May 10, 2013 at 10:38pm by carol*

**SCIENCE(CHEM101)**

iF 23.74Ml OF 0.01470m nAoh are required to completely neutrize 25.00mL of gastric juice,calculate the concentration of the hydrochloric acid(in g/L )in the stomach gastric juice.show steps and calculations
*Tuesday, March 8, 2011 at 7:05am by MAHLATSE*

**chemistry**

calculate the number of moles of potassium iodate (KIO) that were present in the 5.00mL aliquot of standar potassium iodate solution Can someone please show me the workings to do questions like this one? thanks =]
*Wednesday, November 16, 2011 at 10:54pm by Yul*

**chemistry**

calculate the number of moles of potassium iodate (KIO) that were present in the 5.00mL aliquot of standar potassium iodate solution Can someone please show me the workings to do questions like this one? thanks =]
*Wednesday, November 16, 2011 at 10:57pm by me*

**chemistry**

A flask containing 5.00mL of 3 M HCl solution requires 14.45mL of 1.00 M NaOH for titration. How many moles of HCl are present in the solution? The density of 3 M HCl is 1.05g/mL
*Saturday, June 12, 2010 at 11:12pm by John*

**chemistry**

A flask containing 5.00mL of 3 M HCl solution requires 14.45mL of 1.00 M NaOH for titration. How many moles of HCl are present in the solution? The density of 3 M HCl is 1.05g/mL
*Sunday, June 13, 2010 at 12:03am by John*

** math calculus**

The demand function for a product is given by p = 10,000 [1 − (5/5 + e^−0.001x)] where p is the price per unit (in dollars) and x is the number of units sold. Find the numbers of units sold for prices of p = $1000 and p = $1500. (Round your answers to the nearest ...
*Friday, May 10, 2013 at 4:43pm by sam*

**Lab Math**

You have 10.0 ml of a 5.0% NaCl solution. To this you add 5.00ml of a 2.0% NaCl solution. What is the molarity of NaCl in this final mixture? Please help!
*Thursday, February 2, 2012 at 9:08pm by Morgan*

**programming**

Prompt the user to enter a number of seconds. Return to the user the hours, minutes and seconds.Example: Enter seconds: 1000 1000 seconds = 0 hour, 16 minutes, 40 seconds Hint: use the modulus operator.
*Tuesday, September 25, 2012 at 7:08pm by rj*

**College Chemistry**

For the reaction SO3(g)---> SO2(g) + 1/2 O2(g), Kc= 16.7 at 1000 K. What is the value of Kc at 1000 K for the reaction 2 SO2 (g) + O2(g)---> 2 SO3(g)?
*Wednesday, October 27, 2010 at 3:33pm by Jalisa *

**Math**

How can we solve this using a Venn diagaram? 12 out of 1000 women at age forty who participate in routine screening have breast cancer. 880 out of 1000 women with breast cancer will get positive mammographies. 90 out of 1000 women without breast cancer will also get positive ...
*Monday, February 8, 2010 at 3:47pm by Stephanie*

**Chemistry**

a 15.00mL sample of NaOH was titrated to the stoichiometric point with 17.40mL of 0.2340M HCl. a) what is the molar concentration of the NaOH solution? b)calculate the grams of NaOH in the solution.
*Thursday, December 9, 2010 at 9:08am by prince*

**math**

The Bermuda Triangle, known for its disappearance of ships since 1950, has a base between Miami and Puerto Rico, which is about 1000 miles. Its height is between the Bahamas and Bermuda, which is also about 1000 miles. Find the area covered by the Bermuda Triangle.
*Monday, February 25, 2013 at 4:14pm by kelly*

**pre cal**

for a monthly customer charge of $5.69 plus 8.48 cents per kilowatt-hour for up to 1000 kilowatt-hours. (a) Write a linear equation that relates the monthly charge C, in dollars, to the number x of kilowatt-hours used in a month, 0 ≤ x ≤ 1000.
*Wednesday, January 15, 2014 at 3:16am by kisha*

**math**

The monthly demand function for a product sold by a monopoly is p = 3750 − 1/3x^2 dollars, and the average cost is C = 1000 + 70x + 3x^2 dollars. Production is limited to 1000 units and x is in hundreds of units. (a) Find the quantity that will give maximum profit. (b) ...
*Sunday, March 24, 2013 at 9:45pm by Sarah*

**Calculus **

The monthly demand function for a product sold by a monopoly is p = 3750 − 1/3x^2 dollars, and the average cost is C = 1000 + 70x + 3x^2 dollars. Production is limited to 1000 units and x is in hundreds of units. (a) Find the quantity that will give maximum profit. (b) ...
*Monday, March 25, 2013 at 2:40pm by Sarah*

**Calculus **

The monthly demand function for a product sold by a monopoly is p = 3750 − 1/3x^2 dollars, and the average cost is C = 1000 + 70x + 3x^2 dollars. Production is limited to 1000 units and x is in hundreds of units. (a) Find the quantity that will give maximum profit. (b) ...
*Monday, March 25, 2013 at 2:52pm by Sarah*

**Chemistry**

Earl N. Meyer found that it took 25.46mL of the 0.0100 M NaOH to reach the firtst equivalence point for the titration of 25.00mL of Zlot cola. What is the molar concentration of phosphoric acid in Zlot cola?
*Sunday, April 10, 2011 at 1:38am by Anonymous*

**chemistry**

A 0.5130 g aspirin tablet which was dissolved in 95 percent ethanol required 27.98 mL of 0.1000 M NaOH for neutralization. Then an additional 42.78 mL of 0.1000 M NaOH was added and the soln was heated to hydrolyze the aceytlsalicyclic acid. After the reaction mixture was ...
*Wednesday, January 12, 2011 at 2:26pm by kelis*

**maths**

How many integers appear in both of the following arithmetic progressions: A1:2,9,16,……,2+(1000−1)×7 A2:3,12,…,21,…,3+(1000−1)×9 Details and assumptions Since 2 appears in A1 but not in A2, it does not appear in both of the arithmetic progressions.
*Thursday, March 21, 2013 at 6:37am by rohit*

**physics**

A sailor strikes the side of her ship just below the waterline. She hears the echo of the sound reflected from the ocean floor directly below 2.00 s later. How deep is the ocean at this point? (Assume the velocity of sound in water is 1560 m/s, and enter your answer in meters...
*Wednesday, March 9, 2011 at 11:46pm by Student in Need*

**math 160(buss calculus)**

The demand function for a product is given by p = 10,000 [1 − (5/5 + e^−0.001x)] where p is the price per unit (in dollars) and x is the number of units sold. Find the numbers of units sold for prices of p = $1000 and p = $1500. (Round your answers to the nearest ...
*Saturday, May 11, 2013 at 4:48pm by abc*

**Math**

An investment was worth $1000. By the end of 2010 the investment had lost 30%. What percent must the investment grow by in 2011 to be worth $1000 by the end of 2011? Round your answer to the nearest tenth of a percent.
*Wednesday, January 29, 2014 at 9:15pm by Martin*

**chemistry**

Calculate the amount of NaOH in this solution 5.00mL of 12.0 NaOH is diluted with water to make 24 mL of 2.50 NaOH solution
*Tuesday, April 24, 2012 at 12:36pm by crystal *

**Math**

Which pair of numbers is equivalent to 47.5% A. 457/100, 0.475 B. 475/100, 475 C. 475/1000, 4.75 D. 475/1000, 0.475
*Thursday, January 28, 2010 at 6:47pm by ASHLEY*

**math**

Math question. Two part. A am rifle bullet accelerates from 0 to 1000 m/s ( about 2240 MPH) in 1/1000 second when fired. What is the avg acceleration of the bullet in m/s2? If this rate of acceleration could be somehow maintained, how long would it take for the bullet to reach...
*Sunday, February 12, 2012 at 8:15pm by bubba*

**Chemistry**

Element M(a solid) reacts with an aqueous solution of compound B to form an aqueous solution of compound C(a salt) and a gas composed of element D. When 1.000g of element M is reacted with excess oxgen 1.658g of the compound MO are formed. Compound B is binary, monoprotic acid...
*Sunday, December 12, 2010 at 11:21am by Patrick*

**Chemistry**

Element M(a solid) reacts with an aqueous solution of compound B to form an aqueous solution of compound C(a salt) and a gas composed of element D. When 1.000g of element M is reacted with excess oxgen 1.658g of the compound MO are formed. Compound B is binary, monoprotic ...
*Sunday, December 12, 2010 at 3:37pm by Patrick*

**Chemistry**

Element M(a solid) reacts with an aqueous solution of compound B to form an aqueous solution of compound C(a salt) and a gas composed of element D. When 1.000g of element M is reacted with excess oxgen 1.658g of the compound MO are formed. Compound B is binary, monoprotic acid...
*Monday, December 13, 2010 at 8:54am by Patrick*

**math**

choose most reasonabl unit of measure .write mm,cm,dm,m,km thickness of a window When you consider that a meter = about 39.6 inches, what would be the most reasonable unit to measure the thickness of window? mm = 1/1000 m cm = 1/100 m dm = 1/10 m km = 1000 m You choose. I hope...
*Wednesday, February 28, 2007 at 3:21pm by Anonymous*

**Cal**

The demand for Sportsman 5 X 7 tents is given by the following function where p is measured in dollars and x is measured in units of a thousand. (Round your answers to three decimal places.) p = f(x) = −0.1x^2 − x + 40 (a) Find the average rate of change in the ...
*Friday, February 4, 2011 at 12:41pm by Marie*

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