# Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

91,718 questions, page 767-
## HHS 235

How do the unique relationship between human service organizations and the populations they serve impact ethical decisions? What are some ethical dilemmas that occur in health care or human service organizations? Who do you think has the greatest power to

*asked by fay1985 on December 18, 2008* -
## Chemistry

I need to solve latent heat. It gives me the number of ice cubes and the mass in grams (7550 grams). It wants to know how many calories would burn turning the ice into body temperature water (if body temp is 37 degrees celsius.) It gives Lm of H2O=1,44

*asked by Lori on January 24, 2013* -
## Chemistry 101

A student prepares phosphorous acid by reacting solid phosphorous triodide with water PI3+H2O-->H3PO3+HI The student needs to obtain 0.250L of phosphorous acid. (d=1.651g/mL). The procedure calls for a 45.0% excess of water and a yield of 75.0%. How much

*asked by Gweedo8 on May 31, 2009* -
## Algebra

1.The ratio of nickels to dimes to quarters in 3 : 8 : 1. If all the coins were dimes, the amount of money would be the same. Show that there are infinitely many solutions to this problem. 2.A grocer wants to make a mixture of three dried fruits. He

*asked by Summer on November 7, 2013* -
## Physics

An object with total mass mtotal = 15.8 kg is sitting at rest when it explodes into three pieces. One piece with mass m1 = 4.5 kg moves up and to the left at an angle of θ1 = 18° above the –x axis with a speed of v1 = 27.6 m/s. A second piece with mass

*asked by MUHAMMAD JUNAID on March 26, 2019* -
## science(chem)

I'm doing an experiment and I'm supposed to have neutral basic and acid samples of solution. I just wanted to make sure that I knew which was which. (If I'm incorrect, please correct me) Acid: 0.7ml 10% H2SO4 + 0.7ml 10% Na2WO4(sodium tungstate) Basic:

*asked by ~christina~ on September 20, 2008* -
## Chem 100

An electrochemical cell is made from two half cells. The first contains 1M hydrochloric acid above 1 atm Cl2gas (w/ a platinum electrode). The other half cell contains a solution of H2O2 above 1 atm of O2 (also with a platinum electrode). A spontaneous

*asked by Mall on May 9, 2015* -
## Chemistry

Determine the mass in grams of glucose (180.2 g/mol) needed to prepare a solution with a vapor pressure of 40.8 mmHg. The glucose is dissolved in 575g of water at 35C. The vapor pressure of pure water at 35C is 42.2 mmHg. Please help me, I don't know what

*asked by lex on March 25, 2019* -
## English

1.Establishing credibility involves what? assuring the audience that what you are arguing for is for the general good, a widespread issue or problem, one that they may share with you citing authorities on the subject who support your point wholeheartedly

*asked by christopher on April 20, 2010* -
## Heat and Molar Mass

An aqueous solution containing 34.6 g of an unknown molecular nonelectrolyte compound in 142.0 g of water was found to have a freezing point of 1.2 degrees C. Calculate the molar mass. A sample of steam with a mass of 0.553 g and at a temperature of 100

*asked by Amy on January 15, 2013* -
## Science Chemistry

Phosphorous (P) is an indispensable nutrient in food production. According to the estimates, mineral phosphorous resources will end up within 50 years and consequently new sources of P has to be found. A human excretes 2,2 g of phosphorous (P) per day on

*asked by karem on December 22, 2016* -
## Science

Phosphorous (P) is an indispensable nutrient in food production. According to the estimates, mineral phosphorous resources will end up within 50 years and consequently new sources of P has to be found. A human excretes 2,2 g of phosphorous (P) per day on

*asked by karem on December 21, 2016* -
## english

i have to take out embellishments, misquotations,false benefits and unethical tactics out of these sentence can some one help me 1. Storm damage done to water filtration plant #3 was mimimal. While we had to shut down temporily, servive resumed to meet

*asked by sharon on January 13, 2012* -
## science

Describe the carbon family of elements and the nitrogen family of elements You can go to www.webelements and look at the carbon group and nitrogen group. Look at each element, especially the first two or three in each group, and you will see the

*asked by Shamika on November 11, 2006* -
## English

1. The accident left it possible for him to take a rest in hospital. 2. The heavy snow left it impossible for him to go to work by car. 3. Keep it a secrte to go to the PC room with me. 4. Keep it a secret that you go to the PC room with me. 5. I took it

*asked by rfvv on November 6, 2016* -
## Physics

A horizontal force of 150 N is used to push a 32.5-kg packing crate a distance of 4.95 m on a rough horizontal surface. If the crate moves at constant speed, find each of the following. (a) the work done by the 150-N force? (b) the coefficient of kinetic

*asked by Abdul A. on May 3, 2013* -
## 2 math

Denise spoke with a total of 80 customers on her shift at work today. Of those customers, 55% resulted in a sale, 15% said they would "come back another time", and 10% were sent to speak with the supervisor on shift. What is the total number of customer

*asked by annie on September 30, 2014* -
## Math

I need help on how to work the problem below. The teacher said the answer is 11, but I don't understand how you get there. "The Big Screamer Coaster carries 92 people altogether. Some if its cars carry 4 passengers,and the rest carry 6 passengers. There

*asked by Brandi on October 7, 2013* -
## physics

Two dogs are fighting over a stuffed animal. One pulls to the right with a force of 88 N at 18° above the horizontal. The other pulls down and to the left with a force of 74 N at 12° below the horizontal. Ignoring the weight of the toy, if the total work

*asked by tommy on February 23, 2012* -
## help me its urgent

Consider the following student errors. After each error, state: i) What the mistake is. ii) Why you think it has been made. iii) How you would explain and correct the mistake with a student. a) I am a secretary for five years. i) ii) iii) b) I have eat

*asked by rahila on December 2, 2010* -
## physics

A horizontal force of 150 N is used to push a 45.0-kg packing crate a distance of 5.75 m on a rough horizontal surface. If the crate moves at constant speed, find each of the following. (a) the work done by the 150-N force (b) the coefficient of kinetic

*asked by Sierra on February 17, 2015* -
## math

You find a sales receipt from a store that shows the total price as $40, and the total amount paid including sales tax as $42. a. Write an equation you can use to find the sales tax rate which is r. what is the equation so I tried all things I could think

*asked by leanna on February 6, 2017* -
## Pre-Calculus

I think I need help with this problem- 3+ square root(x-6) = square root of (x+9) I thought I should square everything to get rid of square root signs so I had 9 + x-6 = x+ 9 then I would have x+ 3once I subtracted 9-6 from the left side = x+9 on the right

*asked by Joseph P. on September 21, 2011* -
## math

A small business employs 98 people. All of the employees work for 8 hours a day, 5 days a week. Eleven of the employees receive a wage of $45 an hour and the rest receive $30 an hour. In total, how much does the business pay its employees each week? $

*asked by ab on April 28, 2016* -
## math

Paul Can Type 60 Words Per Minute And Jennifer Can Type 80 Words Per Minute. How Does Pauls Typing Speed Compare To Jennifers? Maybe a ratio would work. 60/80 = x/100 Once you figure out what x is, state it as a percent. Paul can type x% as fast as

*asked by sherri on June 17, 2007* -
## Physics

A horizontal force of 150 N is used to push a 43.5 kg packing crate a distance of 5.30 m on a rough horizontal surface. If the crate moves at constant speed, find each of the following. (a) the work done by the 150 N force (b) the coefficient of kinetic

*asked by Raqual on November 8, 2011* -
## Physics

A horizontal force of 150 N is used to push a 40.5-kg packing crate a distance of 5.05 m on a rough horizontal surface. If the crate moves at constant speed, find each of the following. (a) the work done by the 150-N force (b) the coefficient of kinetic

*asked by Bella on October 3, 2016* -
## physics

if mass is not an issue then how much force is required to move a ten no. 'shake flashlight' .will it be equal to move a single flashlight or will have to work ten times more to shake these ten flashlights? Note these flashlights are based on magnetic

*asked by vikram on September 21, 2016* -
## Physics

A horizontal force of 150 N is used to push a 43.5 kg packing crate a distance of 5.30 m on a rough horizontal surface. If the crate moves at constant speed, find each of the following. (a) the work done by the 150 N force (b) the coefficient of kinetic

*asked by Raqual on November 8, 2011* -
## Math

Together these two turkeys weigh twenty pounds," said the butcher. The little fellow sells for two cents a pound more the big one." Mrs. Smith bought the little one for 82 cents and Mrs. Brown paid $2.96 cents for the big turkey. How much did each turkey

*asked by John Smith on September 20, 2009* -
## Physics

A horizontal force of 150 N is used to push a 32.5-kg packing crate a distance of 4.95 m on a rough horizontal surface. If the crate moves at constant speed, find each of the following. (a) the work done by the 150-N force? (b) the coefficient of kinetic

*asked by Abdalla A. on May 7, 2013* -
## accounting

2. Illustrate effects on the accounts and financial statements of each of the following transactions. For a company using a job order cost system: (a) Materials purchased on account $176,000 (b) Materials requisitioned: For production orders $161,500 For

*asked by shawna on November 12, 2009* -
## social studies

i have a crossword puzzle but i have one word i can't figure out.the clue: the------i- coastal plain is a strip of land that begins in the norteast and runs along the east and gulf coasts.please help me. http://en.wikipedia.org/wiki/Atlantic_Coastal_Plain

*asked by ashley on September 12, 2006* -
## algebra 1

Algebra 1 - bobpursley, Monday, January 3, 2011 at 4:13pm didn't I just give you the three steps? What did you not understand about those steps? Algebra 1 - Erudita, Monday, January 3, 2011 at 4:34pm subtract x from each side, then subtract 9 from each

*asked by Erudita on January 3, 2011* -
## Science

A biologist is constructing a cladogram to show the evolutionary relationships between the animals shown below. If anatomical features are used to construct the cladogram, which animal will be placed farthest from the shown animal? The animal shown is an

*asked by Anonymous on December 2, 2013* -
## Chemistry

Human bodies maintain their balance (homeostasis) through a series of equilibria. An important equilibrium involves calcium ion because Ca2+ is important for muscle contractions in the heart as well as for strong bones. Bone is a complex tissue consisting

*asked by Henry on February 19, 2015* -
## Geography

I had to write on this topic- It has been said that Eastern Europe is a political region more than a physical region. Would you agree or disagree with this statement? And this is what I got: I agree that Eastern Europe is a political region more than a

*asked by mysterychicken on October 13, 2009* -
## Business, Linear Programming

This post may be a little lengthy, so please bare with me if you can help. The problem is: A cruise liner has 4 classes of accommodations. Following are the # of reservations made, # of reservations available, and cost per room for each class: Super

*asked by Matt on April 15, 2007* -
## chemistry

Benzoic acid reacts with water to form the benzoate ion by the following reaction C6H5COOH(aq) + H2O(l) ⇀↽ C6H5COO−(aq) + H3O +(aq) The equilibrium constant for this reaction is 6.4 x 10−5 . In a 0.1 M solution of benzoic acid, what is the

*asked by Anonymous on February 7, 2015* -
## Algebra

A metal stays solid at fahrenheit temperatures below 1710.5 Determine (in terms of an inequakity) thoses celsius temperatures for which the metal stays solid. Use the formula F=9/5 C + 32. The solution set is {C< __ fahrenheit} 1710. Round to the nearest

*asked by Sherry on October 2, 2009* -
## chemistry

What is the pH of a solution prepared by dissolving 8.40 g of aniline hydrochloride C6H5NH3Cl in 750 mL of 0.210 M aniline,C6H5NH2? i kno to use the ph = pka + log (base/acid). getting pka isnt the issue, but what do i put into the log (base/acid)?

*asked by anonymous on April 8, 2010* -
## Chemistry

Benzene has a vapor pressure of 100.0 Torr at 26°C. A nonvolatile, nonelectrolyte compound was added to 0.309 mol benzene at 26°C and the vapor pressure of the benzene in the solution decreased to 60.0 Torr. What amount (in moles) of solute molecules

*asked by Angelica on February 15, 2010* -
## Chemistry

Pure benzene has a normal freezing point of 5.50 degrees Celsius. A solution containing 11.4 grams of a molecular substance dissolved in 150.0 grams of benzene (Kf=5.12C/m) has a freezing point of 1.20 degrees Celsius. What is the molar mass of the solute?

*asked by Katelynn on March 22, 2010* -
## chemistry

What is the pH of a solution prepared by dissolving 8.40 g of aniline hydrochloride C6H5NH3Cl in 750 mL of 0.210 M aniline,C6H5NH2? i kno to use the ph = pka + log (base/acid). getting pka isnt the issue, but what do i put into the log (base/acid)?

*asked by anonymous on April 7, 2010* -
## Chemistry

To determine the concentration of 10.31mL of an unknown solution of a monoprotic acid, it is titrated with 0.172M sodium hydroxide. The initial reading on the buret of sodium hydroxide is 2.19mL. The final reading is 13.41mL. What is the concentration of

*asked by Alex on August 26, 2015* -
## physics

Just like the efficiency can be used to tell how 'good' an engine is, the Coefficient of Performance can be used to compare refrigerators. If a refrigerator requires 1.21×104 J of work to remove 3.23×104 J of energy from the inside of a refrigerator,

*asked by taylor on November 28, 2016* -
## math

I'm wonder if im correct? Two physics students built a model rocket for a class project. Once the rocket is launched, its height in feet, h(t), can be found using the height function h(t) = -16t² + 96t where t represents time in seconds my work:

*asked by Ally on October 18, 2014* -
## Algebra

I'm trying to learn the difference between conditional and identity equations. Can you please check my work?? 12). 3(x+2)=5x+4. I said conditional because on the one side x needed to equal negative two while on the other, it needed to equal -.8. 15).

*asked by Bajisha on September 27, 2009* -
## Physics

A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting force does work in raising the helicopter. An 850-kg helicopter rises from rest to a speed of 6.9 m/s in a time of 3.8 s. During this time it climbs to a

*asked by Nikki on November 2, 2009* -
## Physics

A mass sitting on a horizontal, frictionless surface is attached to one end of a spring; the other end is fixed to a wall. 5.5 J of work is required to compressed the spring by 0.16 m. If the mass is released from rest with the spring compressed, it

*asked by Maggie on November 27, 2011* -
## Precalculus

I've tried many times to get the equation to balance using trig identities like half-angle formulas, power-reducing formulas, and double angle formulas, but I couldn't get the equation to equal out. I only need to work one side to make it equal to the

*asked by Christina on December 2, 2010* -
## physics

A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting force does work in raising the helicopter. An 740-kg helicopter rises from rest to a speed of 7.6 m/s in a time of 3.1 s. During this time it climbs to a

*asked by Anonymous on October 10, 2014* -
## Math

Hey I'm working on a math assignment and I'm trying to work out the total amount of rainfall that fell in a certain area. Would this formula be correct? Total rainfall = rainfall mm x duration of storm minutes x area covered And with my rainfall mm I

*asked by Tatiana on April 23, 2011* -
## poetry and creative writing

this needs a friend or sibling to do with but I don't have a sibling or a friend who is not busy. My parents have gone too work too. Can u help me instead? write a colourful description, using as many senses as possible. Describe a market or shop know to

*asked by matthio on December 3, 2017* -
## College physics

dockworker applies a constant horizontal force of 80.0N to a block of ice on a smooth horizontal floor. thhe block starts from rest and moves 11.0m in 5.00s. (a) what is the mass of the ice block? (b) if the work stops pushing at the end of the 5.00s, How

*asked by Lesego on April 10, 2014* -
## Physics

A cylinder contains the helium gas with a volume of 0.1 m3 at a pressure of 220 kPa. The gas is compressed to a volume of 0.02 m3. The process is adiabatic and the specific heat ratio of the gas is 1.66. Determine (a) the pressure in the cylinder after

*asked by Dia on December 18, 2011* -
## Organic Chemistry

I have already calculated the volume of ethyl alcohol need to dissolve 0.300 g of sulfanilamide at 78 degrees Celsius. I got 1.429 mL ethyl alcohol. My question is: how do I calculate how many grams of sulfanilamide will remain dissolved in the mother

*asked by Sasha on September 14, 2015* -
## Algebra 2

Carla’s kitchen floor is in the shape of a perfect square. Her copycat brother, Carl, wants to re-model his kitchen so that it will have the same surface area as his sister, but his kitchen will be rectangular. The length of his floor is half the length

*asked by Claire on March 15, 2016* -
## Pre-Calc

A page that is x inches wide and y inches high contains 30 square inches of print. The top and bottom margins are 2 inches deep, and the margins on each side are 2 inches wide. a. draw a diagram that gives a visul representation of the problem. b. show

*asked by Andy G on January 22, 2014* -
## Socail Studies

1.What can be inferred by the passage of the Black Codes A.Many Southerners were willing to allow African-Americans equally B.Many white Southerners wanted African Americans to remain as slaves C.Many white Southerners wanted African Americans to receive

*asked by Ash on February 7, 2018* -
## physiology and health

True or false I realy need help!!!!!! 1) A relationship is a bond between people. 2) Citizenship is the way you conduct yourself as a member of the community. 4) Communication involves only sending messages to others. 5) Passive communicators always stand

*asked by rana on April 29, 2014* -
## To Alice

Please don't piggy-back your questions on other students' posts or replies. That's how things get lost. You posted this: I am having a problem with my assignment, I am currently attending Peen Froster for Medical billing and Coding. The subject is about

*asked by Writeacher on December 29, 2015* -
## science

how is the equator similar to the prime meridian A. both the prime meridian and equator are lines that divide earth into norther and southern hemispheres B. both the prime meridian and equator are imaginary base lines from which locations of earth can be

*asked by mary on May 14, 2014* -
## Social Studies

4. which statement best interprets daniel Webster's position on the nullification crisis as it related to the constitution a. he believed that the constitution said that only the president has the authority to nullify federal laws b. he believed that the

*asked by alex on December 12, 2018* -
## Chemistry

Use the Bronsted-Lowry definitions to identify the two conjugate acid-base pairs in the following acid-base reaction: H20 + H20 H30^+ + OH^- Let's see what you think on this after the previous post. Just remember, the acid is the one that HAS the H and the

*asked by Raj on May 26, 2007* -
## Capacitor

A parallel plate capacitor with plates of area 320 cm.^2 is charged to a potential difference V and is then disconnected from the voltage source. When the plates are moved 0.3 cm. farther apart, the voltage between the plates is increased by 152 V. What is

*asked by andrew on November 4, 2012* -
## college algebra

Use a calculator to help solve the problem. The intensity I of light (in lumens) at a distance x meters below the surface is given by I = I0 k x, where I0 is the intensity at the surface and k depends on the clarity of the water. At one location in the

*asked by Dee on November 4, 2013* -
## College Math

Assume that you have a total of 13 people on the committee: 4 black males, 4 black females, 1 white male, and 4 white females. Party rules require that at least one black and at least one female hold one of the three offices. In how many ways can the

*asked by Gilmore on February 24, 2009* -
## Geometry

a movie theater sells tickets for $9.00 each. Senior citizens receive a discount of $3.00. One evening the theater sold 636 tickets and took in $4974 in revenue. How many tickets were sold to senior citizens? [Hint: subtract the potential answer.] A. 386

*asked by monique n on April 14, 2010* -
## physics

Two identical cars hit each other and lock bumpers. If a car moving with a speed of 90km/h approaches a stationary car, what is the speed immediately after coupling cars. You use and solve for V: M1V1+M2V2=(M1+M2)V I end up with the following because my

*asked by M. Malone on November 17, 2009* -
## Trigonometry

Directions: Use a graphing utility to approximate the solutions of the equation in the interval [0,2π) by setting the equation equal to zero, graphing the new equation, and using the ZERO or ROOT feature to approximate the x-intercepts of the graph.

*asked by AwesomeGuy on February 20, 2013* -
## Algebra II

Working on my online math homework, I encountered this problem: Solve: (3x^-1 y^-2)^-2 (x^2 y^5)^-1 [[Spaces denote the end of the exponent.]] Because of the law of exponents that deals with negative exponents, I did the reciprocal and distributed the

*asked by Kenneth on January 25, 2012* -
## algebra

The rack of weight plated at the fitness center has a total of 148 plates weighing 2.5,5,and 10 pounds each. The total weight is 500 pounds. There are ten times as many 5 pound plates as 10 pound plates. Set up a matrix equations and then solve it to

*asked by allie on December 16, 2013* -
## trigonometry

A wheel with a 20-inch radius is marked at two points on the rim. The distance between the marks along the wheel is found to be 3 inches. What is the angle (to the nearest tenth of a degree) between the radii to the two marks? someone helped me on this

*asked by y912f on January 15, 2009* -
## Math Help

Melanie would like to have $25,706.30 in an ordinary annuity in 5 years. The annuity has a 10.8% annual interest rate, and she plans on making quarterly deposits. How much should she deposit per quarter? Would this be the way I solve the question?

*asked by John on March 6, 2017* -
## Capacitance

A parallel plate capacitor with plates of area 320 cm.^2 is charged to a potential difference V and is then disconnected from the voltage source. When the plates are moved 0.3 cm. farther apart, the voltage between the plates is increased by 152 V. What is

*asked by andrew on November 3, 2012* -
## Physics repost

A current of 5.0 A flows for 20.0 minutes through a bulb and delivers 15000 J of electric energy to the bulb. What is the potential difference across the bulb? A)2.5 V B)4 V C)100 V D)100 V (book typo) I was told to do this: energy= V*I*time in seconds

*asked by Jon on April 9, 2008* -
## math

Model this situation w/ a linear system: Melissa borrowed $10, 000 for her university tuition. She borrowed part of the money at an annual interest rate of 2.4 % and the rest of the money at an annual rate of 4.5 %. Her total annual interest payment is $

*asked by trixie on June 11, 2013* -
## algebra

A train leaves Buffalo traveling west at 60 miles per hour. An hour later, another train leaves Buffalo traveling east at 80 miles per hour. When are the two trains the same distance from Buffalo? Show the equation you use.

*asked by Anonymous on April 2, 2015* -
## Math

Show the steps to determining the volume of questions 1-3 1. A cylinder with a radius of 6.2cm and height of 12.4cm what is the volume. 2. A cone with a radius of 6.2cm and a height of 12.4cm what is the volume. 3. A sphere with a radius of 6.2cm what is

*asked by Embershy on November 18, 2016* -
## Physics

The rate of volume flow of water through a canal is found to be a function of cross -section of canal and velocity of water.show that the rate of volume flow is proportional to the velocity of flow of water

*asked by paramjeet on August 4, 2014* -
## Physics

To better understand the concept of static equilibrium a laboratory procedure asks the student to make a calculation before performing the experiment. The apparatus consists of a round level table in the center of which is a massless ring held in place

*asked by James on November 14, 2013* -
## physics

A child on a beach kicks a beach ball, giving it an initial velocity of 4.0 m/s. It was sitting on the ground when given the kick. The ball lands on the beach 5m away and closer to the ocean, with a speed of 1.6m/s just before it hits. the final landing

*asked by bec on November 7, 2011* -
## Social Studies

What fundamental problem did Noah Webster see in the Articles of Confederation? A. that states would always work in their own self-interest even if it meant harm to the nation as a whole B. that the central government would always favor large states over

*asked by Adlyn on September 20, 2016* -
## physics

A volume of gas v at temperature T1 and pressure P, is enclosed in a sphere. It is connected to another sphere of volume v/2 by tube and stopcock. This second sphere is initially evacuated and the stopcock is closed. If the stopcock is now opened and the

*asked by Joanna on March 21, 2012* -
## physics

A volume of gas v at temperature T1 and pressure P, is enclosed in a sphere. It is connected to another sphere of volume v/2 by tube and stopcock. This second sphere is initially evacuated and the stopcock is closed. If the stopcock is now opened and the

*asked by Joanna on March 21, 2012* -
## physics

A volume of gas v at temperature T1 and pressure P, is enclosed in a sphere. It is connected to another sphere of volume v/2 by tube and stopcock. This second sphere is initially evacuated and the stopcock is closed. If the stopcock is now opened and the

*asked by Joanna on March 21, 2012* -
## physics

*asked by Joanna on March 21, 2012* -
## english

can someone please help edit and improve this paragraph? In 1976, communist leader Mao Zedong died of Parkinson’s disease. Parkinson’s disease is a disease that attacks the central nervous system. It affects movements and often causes people to shake

*asked by kpop bois on April 18, 2017* -
## Microeconomics

8. Assume that the United States is an importer of televisions and there are no trade restrictions. U.S. consumers buy 1 million televisions per year, of which 400,000 are produced domestically and 600,000 are imported. (Worth 2 points) a. Suppose that a

*asked by Gabby on September 26, 2012* -
## Geometric Transformation, Unit Circle, Maths

Good morning, I have this question: the matrix A = 0 6 4 12 i) show that it is invertable. ii)Find the equation of the image f(c) of the unit circle c in the form. ax^2+bxy+cy^2=d iii)Calculate the area enclosed by f(c). ---------------------------------

*asked by Mat on February 18, 2017* -
## Physics

The work function for potassium is 2.24eV. If potassium metal is illuminated with light of wavelength 310 nm, find the maximum kinetic energy of the photoelectrons. I have tried everything and still keep getting the wrong answer. The speed of light is 3 ×

*asked by Emily on April 13, 2010* -
## precalculus

Sin(x+y)cos(x-y)= 1/2sin2x+ 1/2 sin2y Help please I have no idea how to do this because my math class never did it but while making the final review for the chapter I was assigned, I put this one in it. They are going to all ask me how to do it.

*asked by Dustin on January 15, 2015* -
## HR

Which of the following is a false statement about using simulations as a training technique? A. Simulations allow trainees to see the effects of their decisions in an artificial, risk-free environment. B. Simulations are inexpensive to develop and maintain

*asked by Blue on June 24, 2018* -
## Maths

I need to make tables of values for both horizontal and vertical stretching, but I wasn't in class and missed the lesson. I don't really understand how to get the values; at first I figured you'd get the value of y by just pluging in whatever value of x

*asked by Isobelle on September 14, 2008* -
## Maths

Please, I still need help with this. I need to make tables of values for both horizontal and vertical stretching, but I wasn't in class and missed the lesson. I don't really understand how to get the values; at first I figured you'd get the value of y by

*asked by Isobelle on September 14, 2008* -
## accounting

The stockholders' equity accounts of Lawrence Company have the following balances on December 31, 2010. Common stock, $10 par, 274,000 shares issued and outstanding $2,740,000 Paid-in capital in excess of par 1,200,000 Retained earnings 5,600,000 Shares of

*asked by janice on September 10, 2010* -
## Logarithms

1. Find the amount of time required for an investment to double at a rate of 12.3% if the interest is compounded continuously. MY ANSWER: 5.635 yrs 2. Solve e^(0.2x) < 21.2 by using natural logarithms. MY ANSWER: X

*asked by Jackie on August 12, 2009* -
## 5th math

Nia scored 21 points in the game. If she scored 13 points in the first half of the game, how many points did she score in the second half? I subtract 21 from 13 and got 7? To check my work I added 13+7 and got 20?

*asked by mia on September 22, 2010* -
## Math

Kelly likes red marbles. Each of her 12 bags of marbles has 2/7 red marbles. How many separate bags of red marbles can she make? How to I work out this problem? Im not sure how to set it up, thanks!

*asked by Tay on April 23, 2018*

## Pages

- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- 51
- 52
- 53
- 54
- 55
- 56
- 57
- 58
- 59
- 60
- 61
- 62
- 63
- 64
- 65
- 66
- 67
- 68
- 69
- 70
- 71
- 72
- 73
- 74
- 75
- 76
- 77
- 78
- 79
- 80
- 81
- 82
- 83
- 84
- 85
- 86
- 87
- 88
- 89
- 90
- 91
- 92
- 93
- 94
- 95
- 96
- 97
- 98
- 99
- 100
- 101
- 102
- 103
- 104
- 105
- 106
- 107
- 108
- 109
- 110
- 111
- 112
- 113
- 114
- 115
- 116
- 117
- 118
- 119
- 120
- 121
- 122
- 123
- 124
- 125
- 126
- 127
- 128
- 129
- 130
- 131
- 132
- 133
- 134
- 135
- 136
- 137
- 138
- 139
- 140
- 141
- 142
- 143
- 144
- 145
- 146
- 147
- 148
- 149
- 150
- 151
- 152
- 153
- 154
- 155
- 156
- 157
- 158
- 159
- 160
- 161
- 162
- 163
- 164
- 165
- 166
- 167
- 168
- 169
- 170
- 171
- 172
- 173
- 174
- 175
- 176
- 177
- 178
- 179
- 180
- 181
- 182
- 183
- 184
- 185
- 186
- 187
- 188
- 189
- 190
- 191
- 192
- 193
- 194
- 195
- 196
- 197
- 198
- 199
- 200
- 201
- 202
- 203
- 204
- 205
- 206
- 207
- 208
- 209
- 210
- 211
- 212
- 213
- 214
- 215
- 216
- 217
- 218
- 219
- 220
- 221
- 222
- 223
- 224
- 225
- 226
- 227
- 228
- 229
- 230
- 231
- 232
- 233
- 234
- 235
- 236
- 237
- 238
- 239
- 240
- 241
- 242
- 243
- 244
- 245
- 246
- 247
- 248
- 249
- 250
- 251
- 252
- 253
- 254
- 255
- 256
- 257
- 258
- 259
- 260
- 261
- 262
- 263
- 264
- 265
- 266
- 267
- 268
- 269
- 270
- 271
- 272
- 273
- 274
- 275
- 276
- 277
- 278
- 279
- 280
- 281
- 282
- 283
- 284
- 285
- 286
- 287
- 288
- 289
- 290
- 291
- 292
- 293
- 294
- 295
- 296
- 297
- 298
- 299
- 300
- 301
- 302
- 303
- 304
- 305
- 306
- 307
- 308
- 309
- 310
- 311
- 312
- 313
- 314
- 315
- 316
- 317
- 318
- 319
- 320
- 321
- 322
- 323
- 324
- 325
- 326
- 327
- 328
- 329
- 330
- 331
- 332
- 333
- 334
- 335
- 336
- 337
- 338
- 339
- 340
- 341
- 342
- 343
- 344
- 345
- 346
- 347
- 348
- 349
- 350
- 351
- 352
- 353
- 354
- 355
- 356
- 357
- 358
- 359
- 360
- 361
- 362
- 363
- 364
- 365
- 366
- 367
- 368
- 369
- 370
- 371
- 372
- 373
- 374
- 375
- 376
- 377
- 378
- 379
- 380
- 381
- 382
- 383
- 384
- 385
- 386
- 387
- 388
- 389
- 390
- 391
- 392
- 393
- 394
- 395
- 396
- 397
- 398
- 399
- 400
- 401
- 402
- 403
- 404
- 405
- 406
- 407
- 408
- 409
- 410
- 411
- 412
- 413
- 414
- 415
- 416
- 417
- 418
- 419
- 420
- 421
- 422
- 423
- 424
- 425
- 426
- 427
- 428
- 429
- 430
- 431
- 432
- 433
- 434
- 435
- 436
- 437
- 438
- 439
- 440
- 441
- 442
- 443
- 444
- 445
- 446
- 447
- 448
- 449
- 450
- 451
- 452
- 453
- 454
- 455
- 456
- 457
- 458
- 459
- 460
- 461
- 462
- 463
- 464
- 465
- 466
- 467
- 468
- 469
- 470
- 471
- 472
- 473
- 474
- 475
- 476
- 477
- 478
- 479
- 480
- 481
- 482
- 483
- 484
- 485
- 486
- 487
- 488
- 489
- 490
- 491
- 492
- 493
- 494
- 495
- 496
- 497
- 498
- 499
- 500
- 501
- 502
- 503
- 504
- 505
- 506
- 507
- 508
- 509
- 510
- 511
- 512
- 513
- 514
- 515
- 516
- 517
- 518
- 519
- 520
- 521
- 522
- 523
- 524
- 525
- 526
- 527
- 528
- 529
- 530
- 531
- 532
- 533
- 534
- 535
- 536
- 537
- 538
- 539
- 540
- 541
- 542
- 543
- 544
- 545
- 546
- 547
- 548
- 549
- 550
- 551
- 552
- 553
- 554
- 555
- 556
- 557
- 558
- 559
- 560
- 561
- 562
- 563
- 564
- 565
- 566
- 567
- 568
- 569
- 570
- 571
- 572
- 573
- 574
- 575
- 576
- 577
- 578
- 579
- 580
- 581
- 582
- 583
- 584
- 585
- 586
- 587
- 588
- 589
- 590
- 591
- 592
- 593
- 594
- 595
- 596
- 597
- 598
- 599
- 600
- 601
- 602
- 603
- 604
- 605
- 606
- 607
- 608
- 609
- 610
- 611
- 612
- 613
- 614
- 615
- 616
- 617
- 618
- 619
- 620
- 621
- 622
- 623
- 624
- 625
- 626
- 627
- 628
- 629
- 630
- 631
- 632
- 633
- 634
- 635
- 636
- 637
- 638
- 639
- 640
- 641
- 642
- 643
- 644
- 645
- 646
- 647
- 648
- 649
- 650
- 651
- 652
- 653
- 654
- 655
- 656
- 657
- 658
- 659
- 660
- 661
- 662
- 663
- 664
- 665
- 666
- 667
- 668
- 669
- 670
- 671
- 672
- 673
- 674
- 675
- 676
- 677
- 678
- 679
- 680
- 681
- 682
- 683
- 684
- 685
- 686
- 687
- 688
- 689
- 690
- 691
- 692
- 693
- 694
- 695
- 696
- 697
- 698
- 699
- 700
- 701
- 702
- 703
- 704
- 705
- 706
- 707
- 708
- 709
- 710
- 711
- 712
- 713
- 714
- 715
- 716
- 717
- 718
- 719
- 720
- 721
- 722
- 723
- 724
- 725
- 726
- 727
- 728
- 729
- 730
- 731
- 732
- 733
- 734
- 735
- 736
- 737
- 738
- 739
- 740
- 741
- 742
- 743
- 744
- 745
- 746
- 747
- 748
- 749
- 750
- 751
- 752
- 753
- 754
- 755
- 756
- 757
- 758
- 759
- 760
- 761
- 762
- 763
- 764
- 765
- 766
**767**- 768
- 769
- 770
- 771
- 772
- 773
- 774
- 775
- 776
- 777
- 778
- 779
- 780
- 781
- 782
- 783
- 784
- 785
- 786
- 787
- 788
- 789
- 790
- 791
- 792
- 793
- 794
- 795
- 796
- 797
- 798
- 799
- 800
- 801
- 802
- 803
- 804
- 805
- 806
- 807
- 808
- 809
- 810
- 811
- 812
- 813
- 814
- 815
- 816
- 817
- 818
- 819
- 820
- 821
- 822
- 823
- 824
- 825
- 826
- 827
- 828
- 829
- 830
- 831
- 832
- 833
- 834
- 835
- 836
- 837
- 838
- 839
- 840
- 841
- 842
- 843
- 844
- 845
- 846
- 847
- 848
- 849
- 850
- 851
- 852
- 853
- 854
- 855
- 856
- 857
- 858
- 859
- 860
- 861
- 862
- 863
- 864
- 865
- 866
- 867
- 868
- 869
- 870
- 871
- 872
- 873
- 874
- 875
- 876
- 877
- 878
- 879
- 880
- 881
- 882
- 883
- 884
- 885
- 886
- 887
- 888
- 889
- 890
- 891
- 892
- 893
- 894
- 895
- 896
- 897
- 898
- 899
- 900
- 901
- 902
- 903
- 904
- 905
- 906
- 907
- 908
- 909
- 910
- 911
- 912
- 913
- 914
- 915
- 916
- 917
- 918