Friday

July 25, 2014

July 25, 2014

Number of results: 129

**BCOM/405**

Do you think that the First Amendment must be updated for the 21st century?
*November 22, 2012 by Anita*

**HELP ME**

Find two numbers whose difference is 42adn product s -405 Find two numbers whose difference is 42 and product is -405 Set up 2 equations and 2 unknowns. x - y = 42 xy = -405 Then rearrange the second so y = -405/x, and substitute this value of y into the first equation. Can ...
*December 7, 2006 by MIchaela*

**BCOM/475**

what makes the six principles of dynamic, continuous, circular, unrepeatable, irreversible, and complex so unique?
*February 8, 2013 by Anita*

**bussines**

does it take longer to get your mba if you take bcom over bba?
*March 24, 2014 by celina*

**Chemsitry**

When 3.75 g of a nonelectrolyte solute is dissolved in 405 mL of water at 25 °C, the resulting solution exerts an osmotic pressure of 897 torr. What is molarity? I found molarity to be 0.048. What is the number of moles of solute? to find moles, I multiplied it by .405 and got...
*March 1, 2013 by Anonymous*

**Physics**

A block oscillates on a spring and passes its equilibrium position with a speed of .157m/s. It's kinetic energy is zero when the block is at the distance of .1m from equilibrium. Assume no friction between the block and the table. v=.157m/s KE =0J when x=.1m a)First I need to ...
*March 3, 2008 by Andrea*

**math**

1234 + 607= 47,019 + 21,598= 405,679 + 319,477= ____________________ 1234 - 607= 47,019 - 21,598= 405,679 - 319,477=
*November 9, 2010 by jojo*

**Math**

solve c(x)=x^2-40x+405
*July 11, 2011 by anonymous*

**Math**

solve c(x)=x^2-40x+405 where x equals 15
*July 11, 2011 by anonymous*

**algebra 2 **

compare each pair of numbers. Use < or > o.45,0.405
*September 20, 2010 by Anonymous*

**Math**

Solve for 5 X 3 to the nth,. my answer is 15, 45, 135, 405
*May 11, 2014 by steve*

**math**

I never understood how to do long division. Can you please go through the steps with me? ex) 39/15.405 First, move the decimal point in the dividend to make it a whole number -- 15405. Next, add zeroes and move the decimal point the same number of places in the divisor -- ...
*June 26, 2007 by Mack*

**Math**

Find the GCF of the numbers 52 and 405. Show your method.
*October 4, 2009 by Anonymous*

**algebra**

1)Find the sixth term of the geometric sequence for which a1=5 and r=3 a.1215 b.3645 c.9375 d.23 answer=a 2)Write an equation for the nth term of the geometric sequence -12,4,-4/3,... a.an=-12(1/3)n-1 b.an=12(-1/3)n-1 c.an=-12(-1/3)-n+1 d.an=-12(-1/3)n-1 answer=d 3)Find four ...
*August 23, 2007 by Marissa*

**algebra**

1)Find the sixth term of the geometric sequence for which a1=5 and r=3 a.1215 b.3645 c.9375 d.23 answer=a 2)Write an equation for the nth term of the geometric sequence -12,4,-4/3,... a.an=-12(1/3)n-1 b.an=12(-1/3)n-1 c.an=-12(-1/3)-n+1 d.an=-12(-1/3)n-1 answer=d 3)Find four ...
*August 24, 2007 by Marissa*

**algebra**

1)Find the sixth term of the geometric sequence for which a1=5 and r=3 a.1215 b.3645 c.9375 d.23 answer=a 2)Write an equation for the nth term of the geometric sequence -12,4,-4/3,... a.an=-12(1/3)n-1 b.an=12(-1/3)n-1 c.an=-12(-1/3)-n+1 d.an=-12(-1/3)n-1 answer=d 3)Find four ...
*August 26, 2007 by Marissa*

**algebra(check)**

1)Find the sixth term of the geometric sequence for which a1=5 and r=3 a.1215 b.3645 c.9375 d.23 answer=a 2)Write an equation for the nth term of the geometric sequence -12,4,-4/3,... a.an=-12(1/3)n-1 b.an=12(-1/3)n-1 c.an=-12(-1/3)-n+1 d.an=-12(-1/3)n-1 answer=d 3)Find four ...
*August 24, 2007 by Marissa*

**Chemistry**

A .405 g sample of gas contains .0050 moles. What is the molar mass of this gas? Please round your answer to the tenths place. I am confused by this. Molar mass = mass of sample/moles of sample The answer is either: molar mass = .405g/.0050 = 81 g/mol (I dividing mass by moles...
*March 17, 2009 by bob*

**math**

1)Find the sixth term of the geometric sequence for which a1=5 and r=3 A)1215 B)3645 C)9375 D)23 I chose A 2)Write an equation for the nth term of the geometric sequence -12,4,-4/3... A)aN=-12(1/3)n-1 B)aN=12(-1/3)n-1 C)aN=-12(-1/3)-n+1 D)aN=-12(-1/3)n-1 I chose C 3)Find four ...
*December 12, 2007 by Jon*

**Math**

Determine whether a correlation coefficient of r = –0.405 is significant at the 5% level for a sample size of 22
*January 27, 2012 by Constance*

**chemistry**

the s.p.h of iron is 0.405 J/g-K. how many joules of heat are needed to raise the temperature of 0.105 kg of Fe from 298K to 361.5K
*April 14, 2008 by bebo*

**math**

compare these decimals by choosing greater then, less then, or equal to. 0.205 and 0.21 0.04 and 0.050 0.41 and 0.405 0.1 and 0.1000 Thank you, BAILEY
*October 20, 2009 by BAILEY*

**Chemistry**

How many milliliters of 0.645 M K2CrO4 are needed to precipitate all the silver in 405 mL of 0.190 M AgNO3 as Ag2CrO4?
*February 19, 2011 by Abigail*

**algebra 2**

If log 2 = .3010 log 3 = .4771, find the numerical value of x in 3x+2 = 405
*October 10, 2007 by Spenser*

**Algebra 2**

If log 2 = .3010 log 3 = .4771, find the numerical value of x in 3^x+2 = 405
*October 10, 2007 by spenser*

**Math**

Find the GCF of the numbers 52 and 405. Show your method. The possibilities are 65, 26, 1 and 6. Is the gcf 1?
*October 4, 2009 by Anonymous*

**math word problem**

If log 2 = .3010 log 3 = .4771, find the numerical value of x in 3^x+2 = 405
*October 10, 2007 by spenser*

**math**

what is the percent of 405,000 over 16,300,000
*April 2, 2011 by pj*

**math**

The length of the longest loaf bread measured 1.405 ft 1 1/2 in. It was cut into slices 1/2 in.think. how many slices were there?
*September 6, 2012 by lucy*

**P**

Calculate the magnitude of the gravitational force exerted on a 1,405-kg satellite that is a distance of two earth radii from the center of the earth.
*October 10, 2012 by Anonymous*

**MATH 1 QUESTION PLS HELP ASAP!!!!!**

3. 5 • 3^n (1 point) a.15, 30, 45, 60 b.5, 15, 45, 135 c.0, 15, 45, 135 d.15, 45, 135, 405 is it a. or b.!!!!!????? i think its b, my parents say b
*May 12, 2014 by TTR+S<3*

**business**

A garage wishes to analyse the costs of servicing its range of cars. The costs of servicing cars over the past month are shown. 250 200 375 394 415 405 340 365 417 400 336 245 280 442 422 460 300 405 417 435 193 275 355 225 318 375 390 149 390 468 390 345 95 355 525 575 400 ...
*July 8, 2008 by zana*

**math**

A man has 21 coins in his pocket, all of which are dimes and quarters. If the total value of his change is 405 cents, how many dimes and how many quarters does he hav
*April 9, 2014 by m*

**chemistry**

Just need help solving this one, please: The grams of fat in one avocado if it has 405 Calories, 13 g of carbohydrate, and 5 g of protein Express your answer using one significant figure. Thanks -MC
*February 1, 2014 by mysterychicken*

**chemistry**

Light with a wavelength of 405 nm fell on a strontium surface, and electrons were ejected. If the speed of an ejected electron is 3.39 105 m/s, what energy was expended in removing the electron from the metal?
*November 12, 2010 by Anonymous*

**math trig**

If a ferris wheel with a 20.5 meter radius, how high would one car be from the loding dock at these given angles trveled by the rider?: 90 135 180 225 270 315 405 450 495 and 540?
*May 9, 2013 by Zoe*

**Math**

Growth rate of odd size object: Start: 1.5" w by 1.5" l by .25" h End: 3.25" w by 3.50" l by .25" h Did this object increase by 600%? Some people tell me approx. 500% and 405% Which is it and how do you do the math for the correct answer?
*November 15, 2013 by Tracy*

**Physical Chemistry **

A mixture of ethane and ethene occupied 35.5 L at 1.000 bar and 405 K. This mixture reacted completely with 110.3 g of O2 to produce CO2 and H2O. What was the composition of the original mixture? Assume ideal gas behavior
*September 12, 2012 by Dia B *

**math**

a baseball team buys 15 bats for $405. aluminum bats cost $25 and wooden bats cost $30. how many of each type did they buy? Please show work
*November 6, 2010 by dave*

**physics**

A 0.405 soccer ball is initially moving at 2.05. A soccer player kicks the ball, exerting a constant 40.5 force in the same direction as the ball's motion.
*March 27, 2013 by Anonymous*

**Physics**

In the drawing, the weight of the block on the table is 405. N and that of the hanging block is 191. N. Ignore friction, the mass of the rope, and the mass of the pulley. Find the acceleration of the two block system in m/s2.
*December 19, 2012 by Toung*

**chemistry**

Benzene has a heat of vaporization of 30.72kJ/mol and a normal boiling point of 80.1 degrees C. At what temperature does benzene boil when the external pressure is 405 torr? how do i go about answering this question? i don't know where to start. am i supposed to use the ...
*February 7, 2010 by Karen*

**Chemistry**

Assume that a bicycle tire with an internral volume of 1.50 liters contains 0.405 mole of air. The tire will burst if the internal pressure is 7.25 atm. What is the temperature of the air in the tire if a blowout occurs?
*April 22, 2008 by Jill*

**MATH**

FIND EACH ESTIMATE: 1) A RARE TRUFFLE ONCE SOLD FO $13.20 FOR A 0.44 OZ CAN. APPROXIMATELY HOW MUCH WOULD 1LB OF THIS TRUFFLE COST? 2) THE LENGTH OF THE LONGEST LOAF OF BREAD MEASURED 1,405 FT 1 3/4 IN. IT WAS CUT INTO SLICES 1/2 IN. THICK. HOW MANY SLICES WERE THERE?
*September 5, 2011 by MARCO*

**math help!**

A lottery game asks you to pick 5 numbers from the set 1, 2, 3, ... , 29, 30. How many ways are there to play this lottery game? (Assume that this is a game where the order of your picks does NOT matter.) A) 27,405 B) 84,825 C) 593,775 D) 142,506
*April 16, 2011 by BreAnna*

**chemistry**

At a pressure of 405 kPa, the volume of a gas is 6.00 cm3. Assuming the temperature remains constant, at what pressure will the new volume be 4.00 cm3?
*February 24, 2011 by sara*

**chemistry**

Solud iron and steam react at high temperatures to form iron(vi) peroxide and hydrogen gas. How much solid iron is needed to obtained 405 grams of iron(vi) peroxide, with a 84.2% yield?
*September 16, 2013 by Junior*

**chemistry**

Solud iron and steam react at high temperatures to form iron(vi) peroxide and hydrogen gas. How much solid iron is needed to obtained 405 grams of iron(vi) peroxide, with a 84.2% yield?
*September 16, 2013 by Junior*

**geometry**

The volume of two similar solids is 1331 m3 and 729 m3. The surface area of the larger solid is 605 m2. What is the surface area, in square meters, of the smaller solid? Answer A. 81 B. 121 C. 305 D. 405
*April 2, 2012 by Anonymous*

**Chemistry**

When 1 gram of sex hormone (contains C, H, and O) was burned in a combustion analysis, 1.5 grams of CO2 and 0.405 grams of H2O were obtained. The molar mass was found to be 352g/mol. What is the molecular formula for the sex hormone?
*June 20, 2011 by IVY*

**chemistry**

The pressure in a constant-volume gas thermometer is 0.700 atm at 100°C and 0.512 atm at 0°C. (a) What is the temperature when the pressure is 0.0500 atm? °C (b) What is the pressure at 405°C? atm
*April 29, 2013 by Anonymous*

**PSY/405**

I need helping finding information for my homework assignment please. Create a 2- to 3-page brochure including graphics, on traditional psychodynamic theories. Describe personality. Discuss the main tenets of each theory, how they apply to personality and behavior, and the ...
*June 7, 2014 by ANGELA*

**physics**

An inductor (L = 405 mH), a capacitor (C = 4.43 µF), and a resistor (R = 400 ) are connected in series. A 50.0 Hz AC generator produces a peak current of 250 mA in the circuit. (a) Calculate the required peak voltage ΔVmax. V (b) Determine the phase angle by which the ...
*November 29, 2013 by MR. GEE*

**physics**

An inductor (L = 405 mH), a capacitor (C = 4.43 µF), and a resistor (R = 400 ) are connected in series. A 50.0 Hz AC generator produces a peak current of 250 mA in the circuit. (a) Calculate the required peak voltage ΔVmax. V (b) Determine the phase angle by which the ...
*December 1, 2013 by brad*

**PHYSICS**

An inductor (L = 405 mH), a capacitor (C = 4.43 µF), and a resistor (R = 400 ) are connected in series. A 50.0 Hz AC generator produces a peak current of 250 mA in the circuit. (a) Calculate the required peak voltage ΔVmax. V (b) Determine the phase angle by which the ...
*December 2, 2013 by chen-mei*

**Chemistry**

A mixture of ethane and ethene occupied 35.5 L at 1.000 bar and 405 K. This mixture reacted completely with 110.3 g of O2 to produce CO2 and H2O. What was the composition of the original mixture? Assume ideal gas behavior Im pretty sure i use dalton's law of partial pressures ...
*September 19, 2012 by Drew*

**chem**

combustion analysis of a 285.7 mg sample of a hydrocarbon produces 880.8 mg of CO2 ans 405.7 mg of H2O. What is the empirical formula of the compound? a rough measurement of the molecular weight indicates it is a little over 100mg/mol. what is the molecular formula of the ...
*February 7, 2011 by Braydon*

**Finance ( NEED HELP BAD)**

Masulis Inc is considering a project that has the following cash flow and WACC Data .what is the project discounted payback WACC 10% years 0 1 2 3 4 CASH FLOW -700 525 485 445 405
*July 29, 2009 by Lindsey*

**chemistry**

In an industrial process, the following reaction is carried out in the presence of a catalyst: C2H51 + Cl2 → C2H51Cl12 Calculate the percentage yield if 405.58 grams of C2H51 are used in the reaction and 474.91 grams of C2H51Cl12 are produced.
*November 17, 2011 by mary*

**math**

5 x 3^n a)15,30,45,60 b)5,15,45,135 c)0,15,45,135 d)15,45,135,405
*March 11, 2014 by victoria*

**Math**

When Catherine went to purchase a purse from a street vendor, she negotiated a purchase price that was 10% less than the $130.00 marked price, plus 6% sales tax on the purchase price. If she has $425.00 in her checking account, how much did she pay for the purse? a)$588.30 b)$...
*October 17, 2012 by Ms. Jackie*

**chemistry **

Light with a wavelength of 405 nm fell on a strontium surface, and electrons were ejected. If the speed of an ejected electron is 3.49 105 m/s, what energy was expended in removing the electron from the metal? Express the answer in joules (per electron) and in kilojoules per ...
*November 7, 2010 by Emily *

**ECON 405**

10. As of this morning, the New Mexico Lottery power ball jackpot was reportedly worth $111 million. The $111 million dollar value is based on an annuity paying $5.55 million per year for 20 years. Using a discount rate of 3%, what is the present value of the grand prize? ...
*September 10, 2011 by Pauline*

**Math**

It is 405 miles from Minneapolis, Minnesota to Chicago, Illinois. It is 692 miles from Minneapolis to Cincinnati, Ohio. Cincinnati is how many miles farther from Minneapolis than Chicago? Write an equation and solve the problem
*October 6, 2013 by Sandy*

**ECON 405**

As of July 26, 2011, the interest rate for a 20 year, A-rated Municipal bond was 5.0%. Assuming that your marginal tax rate is 25%, what would be the tax free equivalent rate on an A-rated, 20 year corporate bond?
*September 10, 2011 by Pauline*

**Stats**

The wildlife department has been feeding a special food to rainbow trout fingerlings in a pond. A sample of the weights of 40 trout revealed that the mean weight is 402.7 grams and the standatd deviation 8alE8 gr. What is the probability that the mean weight for a sample of 40...
*June 10, 2011 by Brad*

**math**

Sonja needs to borrow $2,251 to pay for her college classes. Sallie Mae is offering her a 4.5% simple interest loan with an interest charge of $405.18 over the life of the loan. How many years is Sallie Mae giving her to pay back the loan with interest?
*February 25, 2013 by kelly*

**physics**

A rock is tossed straight up with a velocity of 37.1 m/s. When it returns, it falls into a hole 18.8 m deep. What is the rock's velocity as it hits the bottom of the hole? Responses The gain in kinetic energy equals the loss of potential energy. (1/2) M (V2^ - V1^2) = M g *(18...
*October 8, 2008 by Vishnu*

**8th G-Math**

Write an equation and show all work. One Monday, 405 students went on a trip to the zoo. All 7 buses were filled and 6 students had to travel in cars. How many students were in each bus? (My teacher taught the class but no one even understand, can you please help me and show ...
*September 22, 2013 by Cassidy*

**physics **

one can determine a persons center of mass by having them recline on a plank resting on two scales. A person 2m tall lies on such a plank and the scale near her head reads 405 N and the one near her feet reads 360 N. Find the center of her mass.
*May 2, 2014 by Michelle*

**math**

bearing of a tower are taken from two points A and B 250m apart, along a straight line north-south path, A being due north of B.the bearing of the tower from A to B are 140* and 110* respectively.choose two option that gives a distance from A and B of the tower to nearest ...
*April 23, 2010 by srai*

**Math help**

bearing of a tower are taken from two points A and B 250m apart, along a straight line north-south path, A being due north of B.the bearing of the tower from A to B are 140* and 110* respectively.choose two option that gives a distance from A and B of the tower to nearest ...
*May 1, 2010 by Pawanpuri*

**ap chemistry **

Carbon monoxide reacts with oxygen to form carbon dioxide by the following reaction: 2CO2 + O2 yields 2CO2 Delta H for this reaction is -566 kJ/mol run. What is the delta H for CO? 1). +270 kJ/mol 2). -110 kJ/mol 3). +65 kJ/mol 4). -405 kJ/mol 5). -65 kJ/mol 6). -182 kJ/mol 7...
*October 18, 2012 by bridget*

**Algebra**

Need to get these problems checked-- 31. Determine whether the sequence 7, 21, 35, 49 is geometric. If so, find its common ratio. a. no b. yes, common ratio of 14 c. yes, common ratio of 12 I'm stuck between A and B.. 32. What are the next three terms of the geometric sequence...
*June 18, 2010 by mysterychicken*

**Psy/405**

I need help locating information for these questions please. Describe the differences between dispositional and evolutionary or biological personality theories. Discuss the strengths and limitations of dispositional and evolutionary or biological personality theories as they ...
*June 24, 2014 by Paul*

**math help please ASAP**

2. Identify the sequence as arithmetic, geometric, or neither. 1.6, 0.8, 0.4, 0.2, . . . (1 point) arithmetic geometric neither 3. 5 • 3^n (1 point) 15, 30, 45, 60 5, 15, 45, 135 0, 15, 45, 135 15, 45, 135, 405 4. Use the function rule ƒ(x) = n • |–1|^n. Find the output ƒ(2...
*April 25, 2013 by Delilah*

**math**

The weekly take-home pay (in dollars) for 20 graduate teaching assistants at University Z is as follows: 500.75,217.43,488.25,405.78 485.46,495.48,370.75,435.40 479.65,482.56,470.28,489.90 382.50,500.75,465.32,481.25 506.43,225.50,504.38,179.25 Find the mean,median, and ...
*April 7, 2011 by chris*

**Stats**

The following data represent the number of live births in the United States in 2007 for women 15 to 49 years old. Age Live Births 15 - 19 445,045 20 - 24 1,082,837 25 - 29 1,208,405 30 - 34 962,179 35 - 39 499,916 40 - 44 105,071 45 - 49 7,349 Find the following: 1. What is ...
*June 16, 2014 by Sarah*

**Math**

1.) Find the producers' surplus if the supply function is: S(q) = q^7/2+3q^5/2 + 54. Assume the supply and demand are in equilibrium at q= 25. 2.) S(q) = q^2 + 12q and D(q) = 900 - 18q - q^2 The point at which the supply and demand are equilibrium is (15, 405). a.) Find the ...
*June 14, 2012 by Francesca *

**Math**

1.) Find the producers' surplus if the supply function is: S(q) = q^7/2+3q^5/2 + 54. Assume the supply and demand are in equilibrium at q= 25. 2.) S(q) = q^2 + 12q and D(q) = 900 - 18q - q^2 The point at which the supply and demand are equilibrium is (15, 405). a.) Find the ...
*June 15, 2012 by Francesca *

**physics**

need to know mass and acceleration of a 30.5 bloch connected to an empty 1.00kg bucket by cord running over a frictionless pulley coefficient of static friction between table and block is 0.405 and coeff. of kinetic frict. between the table and the block is 0.320 adding sand ...
*March 16, 2011 by sara*

**PSY/405**

Hello, I need help finding information for my PowerPoint Presentation. Thanks in advance Create a 10- to 12-slide Microsoft® PowerPoint® presentation, including detailed speaker notes,on traditional and contemporary psychodynamic theories. Include the following for each theory...
*June 10, 2014 by Paul*

**displaying data**

The data shown estimate the number of flea eggs produced over a period of days. Day No. of Eggs 1 436 2 495 3 575 4 444 5 754 6 915 7 945 8 655 9 782 10 704 11 590 12 411 13 547 14 584 Day No. of Eggs 15 550 16 487 17 585 18 549 19 475 20 435 21 523 22 390 23 425 24 415 25 450...
*September 25, 2011 by darcel78*

**Organic CHemistry Please help me out **

In the accompanying chart are appropriate vapor pressures for benzene and toluene at various temperatures: Temp (C) mmHg Temp (C) mmHg Benzene 30 120 Toluene 30 37 40 180 40 60 50 270 50 95 60 390 60 140 70 550 70 200 80 760 80 290 90 1010 90 405 100 1340 100 560 110 760 d. ...
*October 17, 2013 by Aishwarya*

**Math**

A square garden plot measures 180 square feet. A second square garden plot measures 405 square feet. How many more feet of fence will the second garden plot require over that required for the first garden plot. But how did they get this???????
*June 17, 2012 by Julie*

**Finite Math**

The weekly take-home pay (in dollars) for 20 graduate teaching assistants at University Z is as follows: 500.75, 217.43,488.25, 405.78 485.46, 495.48, 370.75, 435.40 479.65, 482.56, 470.28, 489.90 382.50, 500.75, 465.32, 481.25 506.43, 225.50, 504.38, 179.25 a. find the mean, ...
*April 6, 2011 by caylin*

**Math**

Jocelyn made a spinner If Jocelyn spins only one time what is the probability that the arrow will not land on a red section of the spinner? 3 parts are red 4 parts are blue 1 part is white A.1/8 B.5/8 C.3/8 D.1/2 B Palmer participated in sports for 8 hours and drama for 5 ...
*April 16, 2013 by Jerald*

**Math**

How do you know how many units are spread between the intervals? (For instance, 120-129, 130-139, units spread by 10) How would we answer this question? Thirty AA batteries were tested to determine how long they would last. The results, to the nearest minute, were recorded as ...
*March 27, 2011 by Jacob*

**chemistry **

Two solutions were prepared. The first was a 0.672 M solution of aluminum hydroxide and the second was a 0.405 M sulfuric acid solution. 1.) If a total of 500 mL of aluminum hydroxide solution was prepared, how many grams of the solute (AL(OH)3) would have been weighed out in ...
*May 7, 2014 by Jordan *

**accounting**

Cooper Construction Company had a contract starting April 2010, to construct a $9,000,000 building that is expected to be completed in September 2012, at an estimated cost of $8,250,000. At the end of 2010, the costs to date were $3,795,000 and the estimated total costs to ...
*July 8, 2010 by Jamie*

**Finite Math**

A Specialty shop owner used a revenue function and a cost-volume function to analyze his monthly sales. one month he found that with a sales volume of 1465 items he had revenues of $32,962.50 and a total cost of $26,405.50. Another month he had total costs of $17,638 on a ...
*March 16, 2013 by Matt*

**Math**

The hourly operating cost of an airplane, which seats up to 405 passengers, is estimated to be $5,500. If an airline charges each passenger a fare of $100 per hour of flight, find the hourly profit P it earns operating the airplane as a function of the number of passengers x...
*February 9, 2012 by Jackie*

**Math**

The hourly operating cost of an airplane, which seats up to 405 passengers, is estimated to be $5,500. If an airline charges each passenger a fare of $100 per hour of flight, find the hourly profit P it earns operating the airplane as a function of the number of passengers x...
*February 9, 2012 by Jackie*

**physics**

A rock is tossed straight up with a velocity of 37.1 m/s. When it returns, it falls into a hole 18.8 m deep. What is the rock's velocity as it hits the bottom of the hole? Responses The gain in kinetic energy equals the loss of potential energy. (1/2) M (V2^ - V1^2) = M g *(18...
*October 8, 2008 by Vishnu*

**Trig**

Can someone check my answers so far? 1. Find the exact value of tan(-3ð) Answer: tan(-3ð) = tan (-3 + 2ð) = tan (-ð) = tan (-ð + 2ð) = tan(ð) = sin (ð)/cos(ð) = (0)/(-1) = 0 Exact value is 0 2. Solve triangleABC is C = 90 degrees, B = 20 degrees, and b = 10. Round the measures...
*January 29, 2009 by Kasey*

**CHEMISTRY plz help**

In the accompanying chart are appropriate vapor pressures for benzene and toluene at various temperatures: Temp (C) mmHg Temp (C) mmHg Benzene 30 120 Toluene 30 37 40 180 40 60 50 270 50 95 60 390 60 140 70 550 70 200 80 760 80 290 90 1010 90 405 100 1340 100 560 110 760 d. ...
*October 17, 2013 by Aishwarya*

**chem**

Determination of the solubility product of PbI2. From the experimental data we obtain [I-] directly. To obtain Ksp for PbI2, we must calculate [Pb2+] in each equilibrium system. This is most easily done by constructing an equilibrium table. We first find the initial amount of ...
*April 7, 2011 by Tiffany*

**math**

weekly take home pay for those 20 graduate teaching assistants from university z: 500.75, 217.43, 488.25, 405.78 485.46, 495.48, 370.75, 435.40 479.65, 482.56, 470.28, 489.90 382.50, 500.75, 465.32, 481.25 506.43, 225.50, 504.38, 179.25 1. what are the mean and standard ...
*April 13, 2011 by mary*

**math**

weekly take home pay for those 20 graduate teaching assistants from university z: 500.75, 217.43, 488.25, 405.78 485.46, 495.48, 370.75, 435.40 479.65, 482.56, 470.28, 489.90 382.50, 500.75, 465.32, 481.25 506.43, 225.50, 504.38, 179.25 1. what are the mean and standard ...
*April 12, 2011 by Mary*

**PHYSICS**

The figure shows a ball with mass m = 0.405 kg attached to the end of a thin rod with length L = 0.516 m and negligible mass. The other end of the rod is pivoted so that the ball can move in a vertical circle. The rod is held horizontally as shown and then given enough of a ...
*October 23, 2011 by Anonymous*