# 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 143-
## Math

One equation in a system of linear equations has a slope of -3. the other equation has a slope of 4. how many solutions does the system have? explain

*asked by JTE on December 14, 2017* -
## Integrated Physics and Chemistry

A thermostat is used for which of the following? A) Maintaining the temperature is a room B)Turning a heating system on C)Turning a heating system off D)All of the above

*asked by Ashley on April 19, 2011* -
## math

can you help ; i need to write and solve for each situation. check the solution. school: between 7:30am and 8:00am the number of students in a school increased by 73. there were 152 students in the school at 8:00 am. How many students were in school at

*asked by marko on September 19, 2012* -
## Mathematical Economics and Linear Programming

Using the quotient rule, find the derivation of the following function: a) (ax^2+b)/(cx+d) Here is my work but i need help because am lit bit confuse solution a) (ax^2+b)/(cx+d) df/dx = (2ax)(cx+d)-(ax^2+b) (c)/(cx+d)^2 df/dx =

*asked by Aron on August 12, 2015* -
## Math

Could I please get some help for these 3 questions, apologies for asking so many, but they were the ones I was really unsure of: 1. Find an equation for the line tangent to y=ln(x) and that goes through the origin. I have no idea, the ln(x) stuff is

*asked by Bob on January 6, 2016* -
## math

Show how to write and evaluate an expression to represent and solve this problem: Jeff and his friend each text four classmates about a concert. Each classmate then texts four students from another school about the concert. If no one receives the message

*asked by kyle on February 8, 2015* -
## mechanical engineering

A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . E4_1? All the bars in truss ABC have constant cross section and are

*asked by Mathro on July 2, 2014* -
## physics

A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . E4_1? All the bars in truss ABC have constant cross section and are

*asked by Mathro on July 2, 2014* -
## Science

Why is the use of the inquiry process a practical way to approach science? 5 points My Answer: The inquiry process is a practical way to approach science because the inquiry process begins by asking questions and moving on from there. In science it is

*asked by Simon on September 28, 2015* -
## Algebra 2

Can someone see if I got these correct? 1. Solve log5 x = 3. x = 125 2. log3 (x - 4) > 2. x > 13 3. Evaluate log7 49. log7 49 = 2 4. Solve log3 x = 4. x = 81 5. The graph of a logarithmic function y = 3^x is a reflection of x = 3^y over the line y = 0.

*asked by Nikki on October 22, 2017* -
## Algebra 2

Can someone explain how to figure out these types of problems? Solve log3 (x - 4) > 2. Evaluate log7 49. If log5 4 ≈ .8614 and log5 9 ≈ 1.3652 find the approximate value of log5 36. Solve the equation, log4 (m + 2) - log4 (m -5) = log4 8. Solve, 2^x =

*asked by Nikki on October 20, 2017* -
## Math

The cylindrical bottle sells for $54.00, the conical bottle sells for $20.00 and the spherical bottle for $35.00. What is the best buy per cubic centimeter of perfume? Show work AND explain your reasoning. Cylinder- V=1497.4589878895 cm3 Cone-

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

A 4.36 kg block free to move on a horizontal, frictionless surface is attached to one end of a light horizontal spring. The other end of the spring is fixed. The spring is compressed 0.144 m from equilibrium and is then released. The speed of the block is

*asked by Alex on October 22, 2015* -
## biology (Help please!!!)

1. If a student pours a solution of salt water on an elodea leaf, what is it an example of? 2.A child pours salt crystals on the body of a slug he finds in the backyard. Options are: high concentration, low concentration, osmosis, diffusion, hypertonic

*asked by Samantha on October 20, 2013* -
## college chem

A sample of 8.00 L of NH3 (ammonia) gas at 22 degrees and 735 torr is bubbled into a 0.500 L solution of 0.400 M HCl (hydrochloric acid). The Kb value for HCl is 1.8x10^-5. Assuming all the NH3 dissolves and that the volume of the solution remains at 0.500

*asked by Kimmytuma on April 8, 2012* -
## Chemistry

Describe how you would prepare 250.0 mL of a 0.1500 M NaCl solution given that the NaCl is supplied as a solid. Describe how you would prepare 1.25 L of a 0.025 M sucrose solution from a stock solution with concentration of 5.00 M. What is the benefit of

*asked by Caitie on April 29, 2015* -
## Chemistry

A 50.0 mL aqueous solution of sodium hydroxide has a pH of 12.50. If 36.00 ml of 0.0200 mol/L sulfuric acid is added to this sodium hydroxide solution, what will be the new pH of the resulting solution? Assume that the temperature stays constant at 25 C,

*asked by Jacob on December 11, 2016* -
## chem please help

how would you make a 4% percent paraformaldehyde solution? Work: starting from 20% (diluted with PBS) V1C1=V2C2 (100)(20)=(x)(4) x=500 so add 496 ml of PBS (accounting for 4% paraformaldehyde) or would you add 500ml of PBS Thank you

*asked by Tanya on September 16, 2007* -
## chem

how would you make a 4% percent paraformaldehyde solution? Work: starting from 20% (diluted with PBS) V1C1=V2C2 (100)(20)=(x)(4) x=500 so add 496 ml of PBS (accounting for 4% paraformaldehyde) or would you add 500ml of PBS Thank you

*asked by t on September 17, 2007* -
## chemistry

how would you make a 4% percent paraformaldehyde solution? Work: starting from 20% (diluted with PBS) V1C1=V2C2 (100)(20)=(x)(4) x=500 so add 496 ml of PBS (accounting for 4% paraformaldehyde) or would you add 500ml of PBS Thank you

*asked by Tanya on September 16, 2007* -
## Physical science

A silver Christmas tree can be made by placing copper wire,shaped in the form of a tree,into a silver nitrate solution.The unbalanced equation for the reaction is:Cu+AgNO3=Cu(NO3)2+Age 9.1 define the term oxidation in terms of oxidation numbers (9.2) write

*asked by Thulani on September 3, 2018* -
## Criminal Justice

Could someone please help me with this question? What is the relationship to the law and the government structure as it applies to the criminal justice system? Here is what I have so far: The relationship to the law and the government development as it

*asked by Helen on April 12, 2011* -
## Health (Ms. Sue)

Describe how vaccinations work to protect the body from illness. A: When a vaccine is injected or swallowed, the immune system responds to the vaccine material by making white blood cells called memory cells. Therefore, when or if the pathogen against

*asked by Anonymous on November 20, 2013* -
## Chem

A 2.00 M solution of calcium choloride in water has a density of 1.17g/mL. What is the mole fraction of calcium chloride? How do I solve this? I know that density=mass/volume. The mm of calcium chloride is 111g/mol. I don't know how to connect this

*asked by Ginger on April 25, 2008* -
## Chemistry

a student puts 1.25 kg of ice in an ice cream maker with 350 g of rock salt. All the ice eventually becomes liquid water as the rock salt dissolves. Solve for the molality of the solution, then for its new freezing temperature.

*asked by THATONEGUY on May 20, 2015* -
## Psychology

Consider the interpretation of psychological findings. You are taking a multiple choice assessment, similar to this one, when you encounter a quandary. You see a series of four possible answer choices, two of which seem very plausible conclusions. What do

*asked by J.J on April 23, 2013* -
## History

I'm back. I didn't understand the answer yesterday, and I re-read my book, but I'm still confused. Can you help? 1. Why did the system of feudalism arise during the Middle Ages? A. to develop an economic system B. to determine jobs within a city C. to

*asked by dddd47906 on September 23, 2014* -
## statistics

Case Study Chapter 6 and 7 FOR FULL CREDIT SHOW EQUATIONS USED AND WORK. ELEVATOR CAPACITY: Suppose an elevator has a maximum capacity of 16 passengers with a total weight of 2500 lbs. The mean weight of females is less than the mean weight of males so we

*asked by Chris on March 7, 2016* -
## math(Ms.Sue)

Josh poured 38 gallons of water into 6 buckets. He poured the same amount into each bucket. How much water did Josh pour into each bucket? please show your work.

*asked by lidia on September 5, 2013* -
## chemistry

The half live of Iodine-131 is 8 days. if you started out with 40 mg sample of iodine-131, then what would be the mass of the sample after 32 days? please show your work

*asked by Massiel on July 28, 2014* -
## Stats....plz help....

Rank the following data in increasing order and find the position and value of the 56th percentile. Please show all of your work. 0 1 6 8 9 9 8 6 3 1 0 9 How do i find the position and value of the 56th percentile??

*asked by Jennifer on October 16, 2011* -
## Chemistry

The chemical 5-amino-2,3-dihydro-1,4-phthalazinedione, better known as luminol, is used by forensic scientists in analyzing crime scenes for the presence of washed-away blood. Luminol is so sensitive that it can detect blood that has been diluted 10,000

*asked by Danielle on February 11, 2009* -
## Chemistry

The chemical 5-amino-2,3-dihydro-1,4-phthalazinedione, better known as luminol, is used by forensic scientists in analyzing crime scenes for the presence of washed-away blood. Luminol is so sensitive that it can detect blood that has been diluted 10,000

*asked by Danielle on February 11, 2009* -
## intro of my essay

Nuclear power plants have been a controversy issue in our world for many years and it will continue to be so in the years to come. The issue of whether people should or shouldn’t accept power plants to be operated has been widely debated among

*asked by julie on October 30, 2007* -
## chemistry

a 2.00g sample of zinc metal is added to a calorimeter containing 150g of nitric acid solution initially at 20.0 degrees celsius . The temperature of the solution increased to 28.0 degrees celsius . Calculate the delta H of the reaction assuming that the

*asked by sami on June 20, 2015* -
## Physics

A fully loaded elevator weighing 2000 lbs accelerates upward from rest, attaining its rated velocity of 20 fps upon reaching a height of 25 ft. Solve for the tension on the cable lifting the elevator. What is the minimum required power of the lifting motor

*asked by Aries on August 5, 2015* -
## Math help plz

The human endocrine system is made up of which of the following structures? (1 point) vessels receptors glands chambers 2. Which of the following best describes the function of the endocrine system? (1 point) It secretes chemical messengers that travel

*asked by Anonymous on May 20, 2014* -
## Math

Solve the integral from [0,pi] of x*sinx*cosx*dx I don't understand how to solve this problem because if I let u =x and du =1 and dv=sinx*cosx, I can't find v. How do you solve this?

*asked by Dave on September 29, 2017* -
## biology

In a population that is in Hardy–Weinberg equilibrium for two alleles, C and c, 16% of the population shows a recessive trait. Assuming C is dominant to c, state the percent of the population shows the dominant trait? Show your work. Thank you!

*asked by Jen on August 1, 2013* -
## Chemistry

Calculate the value of Z and its absolute standard deviation. All standard deviations shown are absolute. Show your work and report the standard deviation in the result with two significant digits (to confirm the correct result). Z =

*asked by Adam on October 3, 2016* -
## MATH

Find the only positive integer whose cube is the sum of the cubes of three positive integers immediately preceding it. Find this positive integer. Your algebraic work must be detailed enough to show this is the only positive integer with this property

*asked by Janice - Please Help!!! on June 7, 2011* -
## Math

During the month of June, Ava kept track of the number of days she saw birds in her garden. She saw birds on 18 days of the month. What experimental probability that she will see birds in her garden on July 1? Can somebody show me how to work this problem

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

if 1790 maga watts of power,out of 3000 mega watts generated by a power utility, reach the destination, what percentage of the generated power reaches its destination. please show work

*asked by paully on November 4, 2010* -
## math

Tony stark and captain america won the basketball game 40 to 20. Tony says their team scored 2 points for every 1 point the other team scored. Is tony stark correct? Show ur work

*asked by hello help please ): on February 22, 2016* -
## 3rd grade

This is my sons math problem I am not good at math please can you help me and show the work for the calculations " ALI MADE A MODEL FOR 624 USING 6 HUNDREDS, 2 TENS, AND 4 ONES. WHAT IF ALI HAD NOT HAD ANY TENS? HOW COULD SHE HAVE MODELED 624 WITHOUT USING

*asked by keisha on September 2, 2009* -
## science

1. _____ is the process by which food is broken down so that nutrients can be used by the body. (1 point) Absorption Digestion Elimination Ingestion 2. What type of digestion takes place in the mouth? (1 point) chemical mechanical chemical and mechanical

*asked by Anonymous on April 8, 2013* -
## Art 7

1.An art historian notices that two neighboring cultures use a similar style when sculpting horses. This is likely an example of A. Shares interests in the equine form B. Baroque style C. Cultural exchange D. Orientalizing Style 2.An artist loved to work

*asked by Random on March 6, 2015* -
## Chemistry: ketone and aldehydes

Q1. What will be formed when propanone reacted with sodium hydrogensulphite? There is white precipitate is the resulting solution . Is it sodium carbonate? Q2. What are the difference in the products bewteen the reaction of ethanal and propanone reacting

*asked by david on November 29, 2008* -
## Chemistry

Q1. What will be formed when propanone reacted with sodium hydrogensulphite? There is white precipitate is the resulting solution . Is it sodium carbonate? Q2. What are the difference in the products bewteen the reaction of ethanal and propanone reacting

*asked by david on November 29, 2008* -
## Chemistry

Q1. What will be formed when propanone reacted with sodium hydrogensulphite? There is white precipitate is the resulting solution . Is it sodium carbonate? Q2. What are the difference in the products bewteen the reaction of ethanal and propanone reacting

*asked by david on November 30, 2008* -
## Chemistry

3. How does dissolved CO2 in distilled water affect the accuracy of the determination of a NaOH solution's concentration? The CO2 in the distilled water will create a more acidic solution which will affct the determination of NaOH solution's concentration?

*asked by Sandy on March 11, 2014* -
## Math

Can you use inequalities to figure out this coded word? For each problem Solve and graph the combined inequality. State whether the combined inequality is a conjunction or disjunction and explain why. Determine which letter is in the solution

*asked by Billy on May 16, 2019* -
## chemistry

A 10% acid solution is to be mixed with a 50% acid solution in order to get 120 ounces of 20% acid solution. How many ounces of the 10% solution and 50% solution should be mixed?

*asked by Meliss on April 26, 2010* -
## Math (Algebra II)

A mechanic says your radiator has only 40% antifreeze (the rest is water), but it needs to be 80% antifreeze. How much of the solution should be replaced with antifreeze? (your radiator holds 5 gallons) The answer is 3 1/3 gallons. I just don't know how to

*asked by Pitaya on September 29, 2016* -
## improving it without changing its overall meaning

Ever been assigned to work on a group project for class! Many students dread group projects: because one student typically does most of the work. Unfortunately for some, group work does not end when students leave school, many employers use teams to

*asked by Anna on September 26, 2011* -
## Math

You have 36 stamps that you want to put into a stamp album. Stamp albums are made with either 4 to 6 pages. You need to decide which album you will use in order to have an equal number of stamps on each page. The question is: Choose one album that you will

*asked by Austin(3rd) on December 9, 2010* -
## physics

Show how Bernoulli’s energy equation for a fluid can be derived by considering how the work done by the fluid moving from point 1 to point 2 is equal to the energy gained or lost by the fluid. You can assume the potential energy PE=mgh and the kinetic

*asked by Aisling on May 8, 2012* -
## algebra1

for many skyscrapers, the height of one story is equal to about 12 feet. (a. write an expressing that approximates the height in feet of a skyscraper that is s stoires tall. (b. estimate the hieght in feet of skyscrapers that are 20, 24, 28, and 32 stories

*asked by alanaR. on August 26, 2010* -
## Math Geometry

a shipping crate carrying e readers has a length of 19 1/3 feet, a width of 7/23 feet, and a height of 7 5/6 feet. Whaat is the volume of the shipping crate? Show your work. i know V=lwh , but I'm getting the wrong answer! Please help. I got 58/3 x 23/3 x

*asked by andra on July 9, 2013* -
## math

A clerk spent his 35 hour work week as follows: 1/5 of his time in sorting mail; 1/2 of his time in filing letters; and 1/7 of his time in reception work. The rest of his time was devoted to messenger work. The percentage of time spent on messenger work by

*asked by Nancy on September 25, 2015* -
## literature

Trace and explain in your own words the literary periods We will be happy to critique your work or thinking, but we do not do the work for you. Do you have a question about this assignment? We will be happy to critique your work or thinking, but we do not

*asked by Eunice on July 9, 2007* -
## Physics

I am reviewing for a test and I don't know how to attempt this question. Could someone please work through this problem and then have the general steps that I need to take to solve the question? Here is the question: A rocket expels gases at a rate of 1.30

*asked by Baxter Reus on February 9, 2015* -
## Physics

I am reviewing for a test and I don't know how to attempt this question. Could someone please work through this problem and then have the general steps that I need to take to solve the question? Here is the question: A rocket expels gases at a rate of 1.30

*asked by Baxter Reus on February 9, 2015* -
## Physics

I am reviewing for a test and I don't know how to attempt this question. Could someone please work through this problem and then have the general steps that I need to take to solve the question? Here is the question: A rocket expels gases at a rate of 1.30

*asked by Baxter Reus on February 9, 2015* -
## Science

*asked by Baxter Reus on February 8, 2015* -
## chemistry

the titration of 25.0 mL of a 0.040 M aqueous solution of maleic acid C2H2(COOH)2, with aqueous 0.10 M NaOH solution. For maleic acid, Ka1 = 0.013 and Ka2 = 8.5 x 10-7 How many milliliters of the 0.10 M NaOH solution are needed to completely react all the

*asked by sue on June 30, 2013* -
## Math

Charlene takes the bus to work in the morning then walks home for lunch walks back to work and finally walks home in the evening the distance one way is 600 meters how far does she walk each day between home and work

*asked by Sonia on January 11, 2018* -
## CROSS-CULTURAL COMMUNICATION

When someone complains about a problem,is it a good idea to quickly suggest a solution? A. Yes, because a quick suggestion shows you think quickly. B. Yes, because offering a solution shows that you care about the other person. C. No, because the other

*asked by Deborah Roberts on September 10, 2012* -
## chemistry

A 10.0-mL sample of vinegar, which is an aqueous solution of acetic acid, CH3COOH, requires 16.5 XML of a 0.500M NaOH solution to reach the endpoint in a titration (where the moles of acid are equal to the moles of base). What is the molarity of the acetic

*asked by Zarion Gibbs on May 4, 2011* -
## chemistry

When 40.0 mL of 1.00 M H2SO4 is added to 80.0 mL of 1.00 M NaOH at 20.00°C in a coffee cup calorimeter, the temperature of the aqueous solution increases to 29.20°C. If the mass of the solution is 120.0 g and the specific heat of the calorimeter and

*asked by kamal on June 23, 2014* -
## Chemistry

Suppose 26.0g of sodium bromide is dissolved in 150mL of a 0.60M aqueous solution of silver nitrate. Calculate the final molarity of bromide anion in the solution. You can assume the volume of the solution doesn't change when the sodium bromide is

*asked by Angie on July 26, 2014* -
## Math

Given two non-collinear vectors a and b, show that a, axb, and (axb)xa are mutually perpendicular. Also Express the unit vectors i, j, and k as ordered triplets and show that i x j = k what are ordered triplets? Using components show that u x v = -v x u

*asked by Anonymous on March 30, 2008* -
## math

of the total number of spectators at a circus show, 1/4 are men. 2/5 of the remaining number of spectators are women. there are 132 women at the circus show. how many children are at the circus show? I don't know what to do help me!!! :-(

*asked by shmoolalalalalalaletyevity on March 19, 2014* -
## Business Communication

When someone complains about a problem, is it a good idea to quickly suggest a solution? A. Yes, because a quick suggestion shows you think quickly. B. Yes, because offering a solution shows that you care about the other person. C. No, because the other

*asked by Sheilah on March 2, 2012* -
## Chemistry

A 10.0 ml sample of vinegar which is an aqueous solution of acetic acid, requires 16.5ml of a 0.500M NaOH solution to reach the endpoint in a titration (where the moles of acid are equal to the moles of base). What is the molarity of the acetic acid

*asked by Brittany on April 19, 2011* -
## chemistry

1) Aqueous solutions of potassium sulfate and ammonium nitrate are mixed together. Which statement is correct? A) Both KNO3 and NH4SO4 precipitate from solution B) A gas is released C) NH4SO4 will precipitate from solution D) KNO3 will precipitate from

*asked by mathew on October 15, 2014* -
## Physics

A container is initially partitioned by a wall into two compartments. The left compartment has volume V1 and the right compartment has volume V2. Both compartments are filled with identical ideal gases at the same temperature T and with an equal number of

*asked by Paul on November 19, 2015* -
## physics

A horizontal spring mass system is set up to keep time so that it goes from one side to the other in 6 seconds. The mass used in this system is 0.69 kg. The distance from one side to the other is 2.4 m. What spring constant should be used if it is to

*asked by sunny on December 31, 2012* -
## Math for Trish To Help Me With

Factor the following. You will earn 5 points for each polynomial that is factored correctly. Please label your individual answers with a – f. a.) 4x2 - 25 b.) 3x2 + 6y c.) x^2 - 7x + 10 d.) 2x^2 - 9x – 18 e.) 2ax + 6bx + ay + 3by f.) 6x^2 + 12x – 48

*asked by Margie on February 6, 2007* -
## Chemistry

Specifications for lactated Ringer's solution, which is used for intravenous (IV) injections, are as follows for each 100mL of solution: 285-315 mg NA+ 14.1 - 17.3 mg K+ 4.9 - 6.0 mg Ca2+ 368 - 408 mg Cl 231 - 261 mg lactate, C3H5O3 How would you make this

*asked by Kevin on August 30, 2011* -
## tech cheack answers plz

1.) Which of the following is the best strategy for studying test? a) Sitting alone in a chair in a quiet room, looking over your textbook. b) Working in pairs and exchanging practice questions. c) Developing a personal method that is right for you and

*asked by techr on January 29, 2015* -
## algebra

Solve by using a system of equations. The number x of MP3 players a manufacturer is willing to sell is given by x = 20p − 1500, where p is the price, in dollars, per MP3 player. The number x of MP3 players a store is willing to purchase is given by x =

*asked by Jer on November 23, 2014* -
## science

How did the sun wind up in the middle of the solar system? Did the materials, gas and dust that eventually formed the planets come from the sun? Since our solar system is already formed, we must try to reconstruct its history by studying current star

*asked by HERSHEYS on April 19, 2007* -
## Biology

How is the eartworm's digestive system adapted for extracting relatively smal amounts of food from large amounts of ingested soil

*asked by Emma on April 22, 2007* -
## thermodynamics

0.5 kg of saturated vapor is contained in a closed system with pressure of 10 bar is cooled at constant volume until pressure decreases to 5 bar. Determine heat transfer and sketch the process in a P-v and T-v diagram answer = -473.35 kJ(heat is

*asked by shasha on April 16, 2012* -
## chemistry

3. Answer the following questions: For each question show a balanced chemical equation and show all calculation for full credit. a. Assume that you had 100 nuts (N) and 75 bolts (B). How many NB molecules could you make by screwing one nut onto each bolt?

*asked by Josh on February 23, 2012* -
## math

Mary and four of her friends earn a total of $152 doing odd jobs this weekend. The girls decide to treat themselves to lunch, and then donate the remainder of the money to a disaster relief fund. Write and solve an algebraic equation to determine the total

*asked by taylor on October 24, 2011* -
## Chemistry

You are a lab technician and must create 250 ml of a 17% salt solution. You have available three stock solutions. You have a one liter container of a 5% salt, a 500 ml container of a 28% salt solution, and a 400 ml container of a 40% salt solution. Discuss

*asked by Fatih on March 5, 2012* -
## Chemistry

A technician mixes a solution containing silver nitrate with a solution containing sodium chromate. 2.89 g of precipitate is produced (assume silver chromate). Calculate the mass of silver nitrate present in the first solution. Make sure you have the

*asked by Jill on July 27, 2015* -
## chemistry

Suppose 0.432g of zinc acetate is dissolved in 200.mL of a 16.0mM aqueous solution of ammonium sulfate. Calculate the final molarity of acetate anion in the solution. You can assume the volume of the solution doesn't change when the zinc acetate is

*asked by Deborah on January 18, 2012* -
## Chemistry

Suppose 3.50g of zinc bromide is dissolved in 300.mL of a 65.0mM aqueous solution of potassium carbonate. Calculate the final molarity of bromide anion in the solution. You can assume the volume of the solution doesn't change when the zinc bromide is

*asked by Katie on December 17, 2018* -
## Social Studies

4.What was the encomienda system? A. a system in which Spanish monarchs shared with Native Americans the right to demand labor from peons and Africans B. a system in which the Spanish conquistadors granted Native Americans the right to demand labor from

*asked by Leah<3 on January 4, 2017* -
## Chemistry

Consider the following reaction AgNO3 (aq) + NaCl (aq) → AgCl (s) + NaNO3 (aq) DH = -66 kJ Suppose that 100.0 mL of 0.100M AgNO3 is added to 200.0 mL of 0.100 M NaCl in a coffee cup calorimeter. Assuming that the initial temperature of the solution is

*asked by Mahnoor on November 15, 2014* -
## Physics Check My Work Please

A mass is attached to a spring is 0.2 kg. The spring's constant is 40 N/m. The mass is stretched to a position of 0.3 m and released. The final position is 0.1 m. #1) Find the change in potential energy of the system. #2) What is the work done by the

*asked by Jose Luis on November 30, 2015* -
## Physics Check my work please

A mass is attached to a spring is 0.2 kg. The spring's constant is 40 N/m. The mass is stretched to a position of 0.3 m and released. The final position is 0.1 m. #1) Find the change in potential energy of the system. #2) What is the work done by the

*asked by Jose Luis on November 30, 2015* -
## english/writing

have to write a paper on a detail dealing with a problem in a medical supply office. 10 years ago Liz Jakowski promote me to office manager. I manage two employees: jack snyder and ruth disselkoen. My office provide office support for members of the

*asked by help, help-r on November 5, 2009* -
## english

I have to write a paper on a detail dealing with a problem in a medical supply office. 10 years ago Liz Jakowski promote me to office manager. I manage two employees: jack snyder and ruth disselkoen. My office provide office support for members of the

*asked by ron on October 31, 2009* -
## business

I have to write a paper on a detail dealing with a problem in a medical supply office. 10 years ago Liz Jakowski promote me to office manager. I manage two employees: jack snyder and ruth disselkoen. My office provide office support for members of the

*asked by help on November 1, 2009* -
## Pre-Algebra

Solving it would give u x = -4...but I am not sure how you would graph that. You see, a linear inequality is an inequality that has one of the following four forms: Ax + By < C Ax + By > C Ax + By < C Ax + By > C PLZ!Somebody tell me the answer! PLZZZ!

*asked by Raj on November 28, 2006* -
## physic

An infinite uniformly-charged sheet with a = -2 x 10^-10 C/m2 occupies the yz plane. A deuteron1 is created at a point on the +x axis 5 m from the sheet. The deuteron is produced with zero kinetic energy and is free to move. a) What is the location of the

*asked by jamii on November 28, 2011*

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