# Short answer find the quotient 6x^3-x^2-7x-9 ------------ 2x+3

143,010 questions, page 760-
## science

Use this reaction to answer the question: 2KClO3 -> 2KCl + 3O2. If I start with 65g KClO3, how many mol O2 will be formed? How many g O2? If I need to produce 299g KCl, how many mol of KClO3 do i need to start with? How many g KClO3?

*asked by Jennie on April 24, 2012* -
## Physics

The lowest A on a piano has a frequency of 27.5 Hz. Assume: The tension in the A piano wire (of length 1.8 m) is 305 N, and one-half wave- length occupies the wire. What is the mass of m the wire? Answer in units of kg.

*asked by Maria on September 26, 2011* -
## Chemistry

1. Write the correct formulas for the following: A. A compound composed of melt X which has a +2 charge and nonment Y which has a -3 charge (write it as “XY” including the correct subscripts as necessary.) My answer: by adding or taking away a charge

*asked by Ummm on December 13, 2017* -
## Chemistry

does the mole ratio in this question affect the answer? a 2:1 mixture of O3 and O2 is allowed to effuse through a pinhole in a balloon.after a few seconds, the content of the balloon is analyzed. what will be the mole ratio of the gases in the balloon?

*asked by Tokey on April 26, 2010* -
## math

I asked this question before and I was told my work was correct by my friend insists she is correct HELP I did translate and simplify"six less than twice the sum of a number and three" choices are A)-2x b)2x c)-2x+9 d)2x-3 I set it up 2(x+3)-6 2x+6-6

*asked by ES PUZZLED on January 22, 2013* -
## Health

I plan to practice my tennis drills every day all summer so that I can maintain my #1 seed on the tennis team this year. This is an example of a? 1- performance goal 2- outcome goal my answer is performance goal

*asked by Steve on October 6, 2016* -
## Physics

A sample of serum has a mass of 54 gm and a volume of 225cm. What's the density in g/cm? I think the answer is .24g/c please correct me of I'm wrong but my ? is what would be the mass of 150 fluid ounces of this serum? What would be the volume of 1 pound

*asked by Wendell on June 21, 2011* -
## chemistry

what is the pH of a solution that is .15 M in HOCl and .25 M NaOCl after .05 mol HCl/L has been bubbled into the solution? this is what I did: HOCl + H2O ----> H3O+ + OCl- .15 .25 -.05 +.05 --------------------------- .1 .30 3.5E-8=[H3O][.3]/[.1] H3O=

*asked by Audrey on November 23, 2010* -
## Math

Sara wants to buy a necklace. The necklace has a list price of $57, and the sales tax is 8%. What will be the cost of the necklace after tax is added? Round your answer to the nearest cost. (can you try and explain it to me using proportions)

*asked by Lily on April 2, 2016* -
## Math ---HELP!!!!!

If light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard deviation of 500 hours, approximately what percentage of light bulbs has a life of more than 3000 hours? A. About 84% B. About 68% C. About 32% D. About 16%

*asked by angela on May 5, 2016* -
## Chemistry(Please check)

1) Where in the phase diagram of a compound do all phases exist together? a) at the sublimation point b) at the boiling point c) at the melting point d) at the critical point e) at the triple point I chose answer E, the triple point. Is this correct?

*asked by Hannah on January 28, 2012* -
## science

Use this reaction to answer the question: 2KClO3 -> 2KCl + 3O2 If I start with 65g KClO3, how many mol O2 will be formed? How many g O2? If I need to produce 299g KCl, how many mol of KClO3 do I need to start with? How many g KClO3?

*asked by Anonymous on April 24, 2012* -
## business math

The selling price for a speedboat is $25,869.57. What percent of the sale price is the markup if the cost of the speedboat was $11,900? Round to the nearest whole percent. Do not enter the percent symbol in your answer

*asked by Lele on August 25, 2014* -
## ALGEBRA

The velocity v (in feet per second) of a rock dropped into a well is related to time (in seconds) by the formula v = 32t. What is the velocity of the rock at the indicated instant? Write your answer in the form (t, v). (a) when the rock is released ( , )

*asked by Randy on April 25, 2012* -
## math

Solve this system using elimination. If a single solution exists, write the solution as an ordered pair. Your answer will be an ordered pair, no solution, or infinitely many solutions 3a+5b=-19 5a-27b=145

*asked by john on May 3, 2012* -
## Medical Information Management and office practice

At Allendale Psychiatric Hospital, the hospital census on January 4 is 110. According to the following data, what's the hospital census for January 5? Admissions 10 Discharges 2 A & D A. 99 B. 100 C. 108 D. 118 What is the correct answer?

*asked by jules on January 9, 2011* -
## ethics

Prima facie duties are different from categorical duties in that: Answer They can be overridden by more important duties in a given situation. They only need to be followed if doing so brings the best consequences. They only apply to some people. They only

*asked by kim on September 1, 2014* -
## Maths

Max works 7 hours per day Monday to friday and 3 hours per day in the weekend. He does this for 48 weeks of the year. How many hours does he work in total for the year? Write the expression and answer.

*asked by Jessica on February 26, 2009* -
## physics

A boat sails 5.0(45 degrees W of N). It then hanges direction and sails 7.0km(45 degrees S of E) where does the boat end up with reference to its starting point.? Please explain steps answer is 2km(45 degrees S of E)

*asked by gary on July 4, 2013* -
## physics

A 3.0-kg block is on a frictionless horizontal surface. The block is at rest when, at t = 0, a force (magnitude P = 2.0 N) acting at an angle of 22° above the horizontal is applied to the block. At what rate is the force P doing work at t = 2.0 s? A. 2.3

*asked by qambar on April 27, 2010* -
## Physics (Electric charge for charged rods)

I need help with this question, please. What is the direction of the force between (a) two particles whose charges are the same sign and (b) two particles of opposite sign? (c) What happens to the magnitude of the force when the distance between two

*asked by Kathy on April 21, 2013* -
## Math

A square and an equilateral triangle have equal perimeters. The area of the triangle is 16ã3 square centimeters, how long in centimeters is a diagonal of the square? Express your answer in simplest radical form.

*asked by Farie Wars in the night on February 6, 2010* -
## probability

John hs 3 red markers and 5 blue markers. What is the probability that he picks a red marker, and then, without replacing it, selects another red marker? Please show me how to set this up (you don't have to give me the answer)...thank you

*asked by John on August 10, 2016* -
## Physics

Which of the following processes is used in order to fabricate monocrystalline silicon? Note that more than one correct answer is possible. The Czochralski process Silicon ribbon process The float-zone process The silicon casting process

*asked by qwerty on October 8, 2014* -
## Physics

Hi, I solved this problem, but I want to make sure it is correct: 2 equal charges are separated by 3.7x10^-10m. The force between the charges has magnitude of 2.37x10^-3N.What is the magnitude of q on the charges? F= ( k x q x q)/ (r^2) F=2.37 c 10^3 N k=

*asked by Anonymous on June 20, 2011* -
## AP chemistry

We have an aqueous solution that contains 22% (by mass) of a hypothetical solute Z. The formula weight of the solute Z is 173 g/mol. The density of the solution is observed to be 1.4 g/mL. What is the molarity of Z in this solution? Answer in units of

*asked by Anonymous on October 24, 2010* -
## physics

If a car completes a 3.8 mi oval track in 69.7 s, what is the average speed? answer in mph Did the car accelerate? (A.yes the direction of the motion changed or B. yes the speed changed or C. no the speed didn't change)

*asked by alexa on June 14, 2011* -
## math

A geologist collected a 2.5-kg soil sample for analysis. If she only needs 20 grams of sample to perform the analysis, what percentage of the soil sample will be tested? Answer: .8% 2.5kg = 2500g 20/2500 = .008 = .8%

*asked by cici on October 22, 2013* -
## chemistry

Consider the following reaction: 2 NO(g) + O2(g) ---> 2 NO2(g) + energy if the number of moles of oxygen is increased to two moles, the a. reaction speeds up b. reaction slows down c. temperature increases d. temperature decreases I'm not really sure what

*asked by Aria on February 21, 2012* -
## Criminal Justice

Hello, I am having a hard time finding information on psychological risk factors associated with gangs between 1908 to 2008. Is there any information regarding psychology and gangs in the past. I am not asking for the answer, but I need help in finding

*asked by Chauncey on June 3, 2015* -
## Computer Science

For MathMate: Mythical Man Ques. You answered my ques. several days ago, but I do not quite understand the answer. The ques. was as follows: If it took one person 3 months to make one quilt, why does it take 6 people four months to make one?

*asked by Fayetta on September 22, 2010* -
## math ( help)

Gli bought 9 cds.some of them cost $12.75, and the rest cost $11.95. the total was $112.35. how many did he buy at each price? Let E be the expensive, and C the cheaper. E+C=9 E(12.75) + C (11.95)=112.35 the answer to your math problem is 6 cds for 12.75

*asked by Graciela on November 1, 2006* -
## Maths

Could someone help me with this question Write in polar form : sinx - i cosx I've come up to this point, and it's wrong, can't someone please help? =sin(pie/2-x)-icos(pie/2-x) =cosx-isinx =cis(-x) But the answer is cis(x-pie/2)

*asked by TP on March 4, 2009* -
## physics

A staging that weighs W staging supports a painter weighing 770 N. The reading on the left scale is 660 N and the reading on the right scale is 410 N. What is the weight of the staging? Answer in units of N

*asked by sami on September 8, 2013* -
## 4th grade math

In the school walkathon, Bev walked 2 1/5 miles, Dennis walked 3 2/10 miles, and Natalie walked 2 3/5 miles. what was the total distance they walked. write your answer as a whole number and as an improper fraction.

*asked by Mythreyee on March 18, 2014* -
## Chemistry

Using the half reaction potentials calculate the E^o cell for the Ni-Al cell. Ni (aq) + 2e- Ni (s) -0.25v Al3+ (aq) + 3e- Al (s) -1.66v Using that answer determine Ecell for Ni-Al cell when the concentration of Al3+ is 4.00M and the concentration of Ni2+

*asked by Maura on April 25, 2012* -
## Math

The equation y=-4.9t^2+3.5t+5 describes the height (in meters) of a ball thrown upward at 3.5 meters per second from 5 meters above the ground. In how many seconds will the ball hit the ground? Express your answer as a common fraction. Thank you for your

*asked by Lola on April 11, 2016* -
## math

A bag contains 44 U.S. quarters and six Canadian quarters. (The coins are identical in size.) If seven quarters are randomly picked from the bag, what is the probability of getting at least one Canadian quarter? (Round your answer to one decimal place.)

*asked by brad on March 3, 2013* -
## chemistry

We have an aqueous solution that contains 47% (by mass) of a hypothetical solute Z. The formula weight of the solute Z is 209 g/mol. The density of the solution is observed to be 1.3 g/mL. What is the molarity of Z in this solution? Answer in units of

*asked by cheri on September 13, 2012* -
## Algebra 1 thx

Hadley's softball team has a phone tree in case a game is canceled. The coach calls 3 players. Then each of those players calls 3 players, and so on. How many players will be notified during the third round of calls? Please help answer

*asked by Val on December 15, 2014* -
## math

From a box containing 5 blue marbles,10 red marbles,and 8 yellow marbles,Lisa removed 3 marble,one of which was blue.f she removes one more marble at random,what is the probability that it will be blur? a. 1/4 b. 5/21 c. 1/5 d. 2/7 e. 1/6 please answer and

*asked by thomas on October 16, 2014* -
## math

A geologist collected a 2.5-kg soil sample for analysis. If she only needs 20 grams of sample to perform the analysis, what percentage of the soil sample will be tested? Answer: .8% 2.5kg = 2500g 20/2500 = .008 = .8%

*asked by cici on October 22, 2013* -
## math

The table shows the results of a spinner with four colored sections. Use the table to answer the question. The spinner is spun 50 more times. Which is the best prediction for the number of times the spinner will stop on white?

*asked by sam on May 14, 2014* -
## Math

If light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard deviation of 500 hours, approximately what percentage of light bulbs has a life of more than 3000 hours? A. About 84% B. About 68% C. About 32% D. About 16%

*asked by angela on May 4, 2016* -
## Math

How do Federal Reserve banks, as well as the federal government, typically calculate simple interest? A. Using 31 days in each month B. Based on exact interest C. Based on ordinary interest My answer is B

*asked by debbie on February 19, 2016* -
## math

a rectangular field measures 20 meters by y meters is surrounded by grass patch of width 2 meters . What is the area of the grass patch ? Leave your answer in the simplest form in terms of y .

*asked by melissa on April 21, 2012* -
## 7th grade math

1. Substitute: Ms.Kubagwa is six years younger than Ms. Vea. The sum of there ages is 52 years. I HAVE NO CLUE WHAT TO DO HERE!! 2.Ms.starbrowski has four more pens than Mr.Dukeman. Together they have 34 pens. How many pens does Ms.Starbrowski have?

*asked by Alyssa on July 26, 2012* -
## Physics

A car accelerates at a constant rate from zero to 29.3 m/s in 10 seconds and then slows to 20 m/s in 5 seconds. What is its average acceleration to the nearest tenth of a m/s^2 during the 15 seconds? Answer is 1.3....not sure how to get to it. I am using

*asked by Jay on August 31, 2013* -
## Math

You were assigned a locker for your books at school. You forgot the locker number but remember that two of the 12 positive factors of the locker number are 6 and 25. What is you locker number? I calculate the answer to be 325. Is that correct? If not will

*asked by MATH HELP PLEASE on January 17, 2012* -
## physics

A hydraulic jack has an input piston with a diameter of 1.00 cm, and an output piston with a diameter of 6.00 cm. What weight (in N) can be lifted when a force of 45.8 N is applied to the input piston? Answer is 1650 N but I need someone walk me through

*asked by hank on July 16, 2013* -
## mathematics

A new born infant usually triples its weight by its first birthday. Baby Carter weighed 28 pounds on his first birthday. if this were triple his birth weight (b),which equation below-birth weight? (1) b/3= 28 (2) b-3=28 (3) 3b=28 (4) b+3=28 (5) 3(b+3)=28 I

*asked by MG on February 24, 2016* -
## Math - Algebraic Vectors

1) The vector v = [-6, -2] has tail "A" and head "B". Graph each point "A", and determine the coordinates of "B". a) A(8, 5) How would I find the coordinates of B for the question? Do you find it by adding the x values together and the y values together?

*asked by Anonymous on February 11, 2008* -
## physics

sorry mr bob purlsey again to annoy you. so i did all my calculations and read about hooke's law yesterday and presented to my teacher. however i was not allowed to used hooke's law because we haven't learned it yet and i did not know how to connect

*asked by physics(sorry) on June 14, 2007* -
## English

Please help me to correct Grammar 2. To what extent is CA relate to culture? Is it possible to analyze a particular conversation with no regard of cultural schemata? Support your argument with what you have learnt in this course. Conversation analysis

*asked by karn on February 11, 2010* -
## math

A steam line will increase in length by 1.440% when heated to operating temperature. Determine the original length of the line, if it increased in length by 5.000 cm when heated. (Round your answer to 3 decimal places).

*asked by logan on April 13, 2018* -
## Physics

A dragster and driver together have mass 929.4 kg. The dragster, starting from rest, attains a speed of 26.5 m/s in 0.55s. Assume the driver has a mass of 77.4 kg. What horizontal force does the seat exert on the driver? Answer in units of N.

*asked by Lynn on June 30, 2013* -
## Chemistry

2Al(s) + 6H+(aq) → 2Al3+(aq) + 3H2(g) For the above Al-H2 cell, what is the voltage if [Al3+] = 6.0461 M, [H+] = 6.1 M, and the hydrogen pressure is 0.0557 atm. Eo = 1.66 V. .00004-(.05916/6)*log(7.1e-4) =.03 WRONG ANSWER I GOT

*asked by Anonymous on April 13, 2013* -
## chemistry

The vacancy fraction of a particular metal is found to double as the temperature of the metal is increased from 700 degrees C to 850 degrees C. Calculate the enthalpy of vacancy formation for this metal. Express your answer in units of eV.

*asked by jhony on January 13, 2013* -
## chemistry

The energy of vacancy formation in palladium (Pd) is 1.5 eV. At 888C there is one vacancy for every million (106) atom sites. What temperature would be necessary to achieve a vacancy fraction of one for every thousand (10 3) atom sites? Express your answer

*asked by ssss on April 26, 2013* -
## Chemistry

The titration of 25.0 mL of an unknown concentration H2SO4 solution requires 83.6 mL of 0.12 M LiOH solution. What is the concentration of the H2SO4 solution (in M)? A) 0.40 M B) 0.10 M C) 0.20 M D) 0.25 M E) 0.36 M The answer is supposedly C, but I got A.

*asked by Charlie on December 8, 2009* -
## chamistry

The vacancy fraction of a particular metal is found to double as the temperature of the metal is increased from 700 degrees C to 850 degrees C. Calculate the enthalpy of vacancy formation for this metal. Express your answer in units of eV.

*asked by jhony on January 13, 2013* -
## English - punctuation

If the quote is a question but it needs a comma after it to separate it from the rest of the sentence, how are the two punctuation marks put together? For example, The king continued to question the boy saying, "Where were you?", but the boy refused to

*asked by Mary on October 4, 2009* -
## Chem Check Please!!!

A voltaic cell is constructed that uses the following reaction and operates at 298 K: 2 Al(s) + 3 Mn2+(aq) 2 Al3+(aq) + 3 Mn(s). What is the potential, E, of this cell when [Mn2+] = 0.10 M and [Al3+] = 1.5 M? Answer: The EMF of this cell under standard

*asked by Matt on March 20, 2014* -
## CHEM

To identify a diatomic gas (), a researcher carried out the following experiment: She weighed an empty 1.00- bulb, then filled it with the gas at 1.10 and 23.0 and weighed it again. The difference in mass was 1.27 . Identify the gas. Express your answer as

*asked by Kara on October 24, 2008* -
## 6th grade math

Rodrigo placed 3 large stickers on each of 5 pages in the sticker book. then, he placed 6 small stickers on each of 5 pages. the expression 5x3x6 shows the total number of stickers he used. use the distributive property write this expression another way.

*asked by Mary on July 23, 2018* -
## math

The diameter of an electric cable is normally distributed, with a mean of 0.9 inch and a standard deviation of 0.02 inch. What is the probability that the diameter will exceed 0.92 inch? (You may need to use the standard normal distribution table. Round

*asked by Anonymous on December 3, 2013* -
## Education

Authoritarian parents A) accept more immature behavior than do other types of parents. B) favor punitive measures to control children’s behavior. C) reason with their children regarding rules. D) are more permissive than authoritative parents. I believe

*asked by Lor on October 17, 2013* -
## chemistry

Here we go: when the following nuclear reaction is completed, the missing element will be: ___+ 4^He ---> 2 v0 1^n+ 244^Cf Okay, so im given the choices of 242^Cm, 242^Am, 240^Es or 242^Bk.... I already determined that it's not 240 Es (or at least i think

*asked by Anonymous on November 7, 2011* -
## Art

Over time, abstract art has become a recognized and valued part of art history. This is an example of. Deterioration of artistic standards.(MY ANSWER) Changes in artistic style over time. Different interpretation of what makes good art. The way fads come

*asked by sparkels_01 on April 1, 2016* -
## Math

Hello! I am studying for an upcoming math test and I'm trying to figure out how to solve this equation: Select the expression that is equivalent to (m^2 - 25). A. (m^2 - 10m + 25) B. (m^2 + 10m + 25) C. (m - 5) (m + 5) D. (m - 5)^2 I do NOT want the answer

*asked by Bethany.W on February 24, 2019* -
## physics

Two girls pull a 15 kg sled, each with her own rope. They pull horizontally at an angle of 30 degrees from each other with identical forces of 25 N each. The coefficient of friction between the snow and the sled is 0.1. The acceleration of gravity is 9.8

*asked by Gabe on January 23, 2015* -
## General Chemistry 1 college class

The tomato is dropped. What is the velocity, , of the tomato when it hits the ground? Assume 82.7 of the work done in Part A is transferred to kinetic energy, , by the time the tomato hits the ground. Express your answer numerically in meters per second

*asked by Taylor on October 30, 2012* -
## Business Communications

What is the BEST reason to omit the reason for the refusal in a negative message? (Points: 5) The reader may not think of the reason. The reason reflects poorly on the company. The reason benefits the reader, but not the writer. The reason is watertight.

*asked by lisa on November 22, 2010* -
## math

Consider the experiment of selecting a card from an ordinary deck of 52 playing cards and determine the probability of a red card or a card showing a 5 is drawn. I figured the red cards would be 26/52 and the 5 would be 4/52. Would I add these two together

*asked by m on November 22, 2010* -
## Chemistry

the pka of acetone is CH3COCH3 is 19.3 which of these bases is strong enough to deprotonate acetone? a)KOH (pka of H20 = 15.7) b)Na+ -C(triplebond)CH (pka of C2H2 = 25) c)NaHCO3 (pka of H2CO3 = 6.4) d)NaOCH3 pka of CH3OH = 15.6) i know the answer is b but

*asked by ben on March 12, 2011* -
## Math

Mr. Rivera opened a package of 150 drinking cups for his restaurant. During the day, 97 cups were used. What fraction of the package of cups was used? Express the result using a simple, convenient fraction that is close in value to the exact answer. A) 2/3

*asked by Blake on September 5, 2009* -
## Alg. 2

I know how to graph polynomial functions, but i'm having a hard time getting the second point on this one. f(x)=x(x-1)(x+2)(x+2). I graphed my zeros and made the right arrow go up and the left arrow go down. I plotted my first point by pluggin in -1. My

*asked by Miley on February 13, 2008* -
## Science

Which of the following is not part of the cell theory? Cells are the building blocks of life. All living things are made up of cells. All cells are created from other cells through cell division. (MY ANSWER) The nucleus is the control center of the cell.

*asked by LOVE on August 11, 2016* -
## Art

Over time, abstract art has become a recognized and valued part of art history. This is an example of. Deterioration of artistic standards.(maybe -_o) Changes in artistic style over time. (MY ANSWER) Different interpretation of what makes good art. The way

*asked by LOVE on March 9, 2016* -
## math

A cyclist rides his bike at a speed of 27 miles per hour. What is this speed in feet per second? How many feet will the cyclist travel in 2seconds? In your computations, use the fact that 1 mile is equal to 5280 feet. Do not round your answer.

*asked by Michi on June 24, 2018* -
## english

What is the appropriate citation method for your major or course of study? What have you learned about that citation methodology from Lesson Three of this course? Do you think you'll be able to use this citation method effectively to avoid plagiarism?

*asked by jd on July 8, 2017* -
## Chemistry

The vacancy fraction of a particular metal is found to double as the temperature of the metal is increased from 700 degrees C to 850 degrees C. Calculate the enthalpy of vacancy formation for this metal. Express your answer in units of eV.

*asked by Chemgam on January 11, 2013* -
## Social Studies

In what way did soviet rule fail to live up to communist theory? A) Control was held by the all people. B) Control was held by few people. C) Enough goods were made to sustain the country. D) People were happy with the change. My answer is D.

*asked by @AmeliaTheGamer on May 2, 2017* -
## Math

Two stores carry a similar stereo for the same original price of $573. One store offers a 16% discount and the second store sells the stereo for $458.40. Which store gives the bigger percent discount? Justify your answer.

*asked by Anonymous on January 3, 2017* -
## Spanish

Schools in Mexico _______. a. have no computers b. have 10 to 12 computers c. are working to increase the student/computer ratio*** d. have plenty of computers because they work with large computer companies Just checking my work:) *** - My Answer Thanks,

*asked by Kaai97 on November 9, 2015* -
## Physics

A cylinder contains 0.1 cubic meters of gas at atmospheric pressure. This gas is allowed to expand until its pressure drops to 7800 Pa. What is the gas volume after this expansion has taken place? Is this answer right: 7800/10130 = 0.770

*asked by Tracy on March 12, 2012* -
## Science

When you are describing the rate that a race car goes around a track, should you use the term speed or velocity to describe the motion? Can the velocity of the car change without changing the average speed of the car? Please answer in 100 words!

*asked by Jennifer on February 23, 2008* -
## MATH

The bottom of the ladder on a horizontal flat surface rests against a wall. It makes an angle of elevation of 35°. The bottom of the ladder is 42 ft from the base of the wall. How long is the ladder? Round your answer to the nearest whole number.

*asked by Rich on May 9, 2013* -
## Calculus

An offshore well is 2 miles off the coast. The refinery is 4 miles down the coast. If a laying pipe in the ocean is twice as expensive as on land, what path the pipe should follow in order to minimize the coast. Is the answer 2.1? Can you some list their

*asked by Anom on October 31, 2012* -
## math

5/11+root5 How would I rationalize this I think it would be - Multiply both sides by 11-root5 then use the foil method on the denominator to give you 55-5root5/121+5root11-5root11-5 the 2 roots would cancel out giving you 55-5root5/12-5 so would the answer

*asked by peter on October 26, 2010* -
## AP CHEMISTRY

C(s) + H2O(g) ⇌ CO(g) + H2 ΔH>0 For the system above at equilibrium, which changes will increase the amount of H2(g)? I. Adding C(s) II. Increasing the volume of the container III. Increasing the temperature The answer is II and III. I understand

*asked by Ash on March 29, 2013* -
## Math

Did I do this problem right? Consider the experiment of drawing two cards without replacement from an ordinary deck of playing cards. What are the odds in favor of drawing a spade or a heart? Answer: P(Spade)*P(Spade)=(13/52)x(13/51)=169/2652=0.06372. Is

*asked by B.B. on August 13, 2009* -
## Math

Each letter in the subtraction problem below represents a different digit from 0 through 9. The digits 3 and 5 do not appear in the problem. Replace each letter so that the answer to the subtraction problem is correct. GRAPE - PLUM ________ APPLE Why would

*asked by Nathan on March 29, 2007* -
## History

How were totalitarian leaders able to obtain power in the 1930's? Name two totalitarian leaders. I think one reason they got power is because people wanted change because they hated conditions after WW1. Any help with other reasons please. Is Hitler an

*asked by Isaac Martin on November 27, 2007* -
## CHEMISTRY

*asked by jon on January 11, 2013* -
## Algebra

A surveyor is standing 115 feet from the base of the Washington Monument. The sureyor measures the angle of elevation to the top of the monument as 78.3. How tall is the Washington Monument? The answer's 555 feet, but I'm not sure how to get it. Can you

*asked by Victoria on December 6, 2009* -
## Chemistry

*asked by Ankur on January 11, 2013* -
## chemistry

*asked by Anonymous on January 12, 2013* -
## physics

A plane can fly at Mach 1.47, which means the speed of the plane is 1.47 times the speed of sound in air. What is the angle between the direction of propagation of the shock wave and the direction of the plane's velocity? How is the answer 47.1 degrees

*asked by flame on October 26, 2010* -
## science

What is the relationship between a mineral and a rock? A.They are the exact same thing. B.A mineral is a building block of rocks. C.Minerals are only silicates while rocks are nonsilicates. D.A rock is always man-made while a mineral is naturally

*asked by ash on October 3, 2012*

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