# 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

92,096 questions, page 796-
## math: Calculus - Algebraic Vectors

A light plane is travelling at 175 km/h on a bearing of N8°E in a 40 km/h wind from N80°E. Determine the plane's ground velocity using algebraic vectors. The answer for this question is: 167 km/h , N5°W ---------------- My Work: (a , b) = ( | r | *

*asked by Anonymous on February 18, 2008* -
## arithmetic

The wage rate in a certain trade is $8.60 and hour for a 40 hour work week and 1 1/2 times the base pay for overtime. An employee who works 48 hours in a week earns? The employee's gross pay (before taxes and other deductions): 8.6 x 40 = a 8.6 x 1.5 x 8 =

*asked by chrissy on July 28, 2007* -
## math

A mass on the end of a spring which is hanging vertically is raised up and let go. It then oscillates between 2m and 1.5m above the floor and completes 32 cycles in one minute. The height, h metres, of the mass above the floor after t seconds can be

*asked by Ed on November 27, 2014* -
## Physics

A 1500 kg car accelerates from rest under the actions of two forces. One is a forward force of 1260 N provided by traction between the wheels and the road. The other is a 870 N resistive force due to various frictional forces. Use the work-energy theorem

*asked by Megan y on February 16, 2016* -
## Chemistry(Please respond)

Calculate the pH of an aqueous solution of 0.15 M potassium carbonate. I know that pH = -log(H30+) but I am not sure how to start this problem. Chemistry(Please help) - DrBob222, Saturday, April 14, 2012 at 11:09pm Hydrolyze the CO3^2-. CO3^- + HOH ==>

*asked by Hannah on April 18, 2012* -
## Chemistry

Al and Fe react with HCl to produce a chloride salt and hydrogen gas. A .1924g sample of a mixture of Al and Fe is treated with excess HCl solution. A volume of 159mL h2 gas is collected over water at 19C and 841 torr. What is the mass percent by mass of

*asked by Lisa on September 29, 2014* -
## chemistry

for our lab, we are given the molarity of ClO-. We are then supposed to use beer's law to determine the molarity of the dye that was used to make the solution with. For the dye, use the first absorbance value, Ao, and calculate the initial concentration of

*asked by Anonymouse one on February 21, 2011* -
## Math

Suppose that the number of cars manufactured at an automobile plant varies jointly as the number of workers and the time they work. If 340 workers can produce 204 cars in 4 hours, find the number of workers that can produce 180 cars in 3 hours.

*asked by Anonymous on March 11, 2016* -
## college

Explain three rules for exponents listed in the chart on p. 239 (section 4.2). Do not explain the first two definitions listed in the table (Exponent of 1 or 0). Create an expression for your classmates to solve that uses scientific notation and at least

*asked by Michelle on July 27, 2009* -
## mat117

Explain three rules for exponents listed in the chart on p. 239 (section 4.2). Do not explain the first two definitions listed in the table (Exponent of 1 or 0). Create an expression for your classmates to solve that uses scientific notation and at least

*asked by Anonymous on April 13, 2010* -
## math/117

Explain three rules for exponents listed in the chart on p. 239 (Section 4.2). Do not explain the first two definitions listed in the table (Exponent of 1 or 0). Create an expression for your classmates to solve that uses scientific notation and at least

*asked by Anonymous on November 15, 2011* -
## English

I reallly hope someone of you can check these sentences I need to prepare for tomorrow. 1) The healthcare reform, which is expected to become law soon, marks the biggest change to the US system for decades. 2)It provides cover for (or it offers coverage

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

Vanadium is an environmental pollutant originating from some types of steel, but also from the combustion of fossil fuels. The amount of V2+ in an unknown sample is determined by potentiometric titration by 7.62 mM permanganate ion, MnO4 - . 25.00 mL of

*asked by siri on July 23, 2016* -
## physics

A test rocket is fired vertically upward from a well. A catapult gives it an initial speed of 80.8 m/s at ground level. Its engines then fire and it accelerates upward at 3.90 m/s2 until it reaches an altitude of 920 m. At that point its engines fail, and

*asked by blair on October 8, 2009* -
## Social!

How important is it that members of a society share certain views in common? Very important! If members of a society don't have some common views, they will not agree on common action, therefore making it difficult for them to work together. Certain views

*asked by guest! on January 31, 2007* -
## american history

I nee help revising my essay here it is This is what my general view on American History. Well let me tell you it’s a course that we all have to take in high school to graduate. In school we are confronted with American History, state History and general

*asked by connie on February 24, 2012* -
## STATISTICS

Miss Dombo, a Ticketing Manager with an Airline flying international routes, has realised that not all passengers show up for their reserved seat. It is clear to her that each passenger’s behaviour is independent of the other. Having fixed the chances of

*asked by JANE on October 27, 2016* -
## microeconomics - monopoly vs perfect competition

hi, can sum1 help me? wats difference between monopoly and perfect competition? one is a solely dominated market and the other is a market with many producers 1)The monopolist is the price-maker. But the firm i under aperfect compepetion is the

*asked by RyaN on November 8, 2006* -
## statistics

A diabetes nurse educator believes that her patients have particularly bad control of their blood sugar. To test this she selected the fasting blood sugar values for 15 of the patients she saw this week. The national mean for patients with this level of

*asked by Kim on March 14, 2013* -
## math

kyle had 36 books in hislocker. some were library books, some were textbooks, and the rest were telophone books. the number of library books and textbooks combined equal twice the number of textbooks. the number of textbooks and telephone books combined

*asked by Katherine on November 10, 2010* -
## math

Write a function rule for the total cost. One frozen yogurt store sells frozen yogurt for $3.00 per cup and $1.25 per topping. Write a linear equation to show the total cost of a cup of frozen yogurt. Then calculate the total price for one cup of frozen

*asked by callie on April 27, 2015* -
## math

kyle had 36 books in hislocker. some were library books, some were textbooks, and the rest were telophone books. the number of library books and textbooks combined equal twice the number of textbooks. the number of textbooks and telephone books combined

*asked by Katherine on November 8, 2010* -
## math

kyle had 36 books in hislocker. some were library books, some were textbooks, and the rest were telophone books. the number of library books and textbooks combined equal twice the number of textbooks. the number of textbooks and telephone books combined

*asked by Katherine on November 8, 2010* -
## Marketing

Select a company and product (real or imaginary). Use the Internet to find 5 websites that provide the types of information and data that you would use in a marketing information system for that company. You need to find information, data, and/or

*asked by sarah loid on August 6, 2007* -
## Algebra

This is a word problem I am supposed to solve with systems. I am having trouble setting it up if anyone could help me. A coin bank contains only dimes and nickels. The bank contains 46 coins. If 5 dimes and 2 nickels were removed the total value of the

*asked by emm on November 13, 2008* -
## Physics

A roulette wheel with a 1.0m radius reaches a maximum angular speed of 18 rad/s before it stops 35 revolutions ( 220 rad ) after attaining the maximum speed. How long did it take the wheel to stop? Unless you mean the 35 revs occur after max speed, it

*asked by Robert on December 19, 2006* -
## epi

Workers in less developed countries have comparable death rates to the U.S. in the same industries. (Points: 3) True False 2. OSHA and NIOSH were established as provisions of the 1976 Toxic Substances Control Act. (Points: 3) True False 3. Which of these

*asked by Anonymous on September 21, 2008* -
## math

A poll of 100 students was taken at a no-residential college to find out how they got to campus. The results were as follows: 28 said car pools;31 said buses;and 42 said they drove to school in their own car alone. In addition, 9 used both car pools and

*asked by ray on May 31, 2013* -
## Physics

A set of crash tests consists of running a test car moving at a speed of 12.2 m/s (27.3 mi/hr) into a solid wall. Strapped securely in an advanced seat belt system, a 75.0 kg (165 lbs) dummy is found to move a distance of 0.630 m from the moment the car

*asked by Haylee on March 18, 2013* -
## Physics

Need help matching the numbers to a - f. I need some explanations to understand. 4. The water enters the pump at a low pressure and the pump does work on the water to eject it at high pressure and with more energy. 5. The water pump provides the motive

*asked by |-/ on March 18, 2018* -
## English+Essay

I have to write an essay, but I have no idea how to start it. It says that my essay has to be MLA formatted, and only 3/4 to 1 page long. 2 page is the longest it can be and must be double placed. Using MLA format, there's is no way for me a write a proper

*asked by Dan on October 4, 2009* -
## Chemistry

When a good indicator has been chosen, the pH at which the solution changes color is very close to the equivalience point of the titration. If this "point" for a particular titration occurs at pH x, a good indicator for the titration would be indicator. X

*asked by tia on April 8, 2008* -
## Science

How much more concentrated is 1ml of 0.5mg/ml haemoglobin in 10% sucrose at an absorbance of 2.4, compared to a solution of 0.1ml of 0.5mg/ml haemoglobin in 10% sucrose and 0.9ml of 10% sucrose at an absorbance of 0.350

*asked by Lillie on March 8, 2017* -
## CHEMISTRY

Whats the mass concentration of H2SO4 in a solution with percent mass 36% and density 1.84g/cm3 W(H2SO4)=36%? density(H2SO4)=1.84g/cm3 MassConcentration=?

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

Potable water (drinking water) should not have manganese concentrations in excess of 0.05 mg/mL. If the manganese concentration is greater than 0.1 mg/mL, it imparts a foul taste to the water and discolors laundry and porcelain surfaces. In an acidic

*asked by jason on April 18, 2015* -
## physics

An 80.9 kg astronaut is taking a space walk to work on the engines of his ship, which is drifting through space with a constant velocity. The astronaut, wishing to get a better view of the Universe, pushes against the ship and much later finds himself 30.3

*asked by jojo on May 31, 2011* -
## Physics

Consider a capacitor made of two square plates of side 'l' . The distance between the two plates is 'd'. a) We insert a dielectric of dielectric constant K>1 and width l, a distance x (as in the diagram). What is the total capacitance of this arrangement?

*asked by Phy on March 12, 2013* -
## English

I selected 5 sentences as promised. I really hope the others were correct! Sentence number 6 refers to the Italian grading system which I don't know how to express in English. 1) During the break I go out in the courtyard.We aren't allowed to smoke or run

*asked by Franco on September 19, 2010* -
## English

Bob: Look at that terrible painting! (Amanda steps backward and gives Bob a puzzled look.) Amanda: Why don't you like it? I think it's quite creative. Bob: It's just squiggles and spots. I can't make any sense out of it. Amanda: It's a abstract art, Bob.

*asked by CanYouHelpMe on March 15, 2017* -
## resume help

i have to write a resume for my english class so for my job, i want to be those people who help out customers when walking around in stores. what is that position called? is it like a sales clerk or something? don't worry, this is not my future career. i

*asked by Anonymous on April 30, 2007* -
## History

1. What motivated Bismarck to enact reforms in Germany? 2. What kind of reforms were inacted in Germany and Britian? My answers: 1. Bismarck wanted Germany to be more united and when nationalism spread through Germany it helped Germany become a leading

*asked by Chrissy on September 27, 2007* -
## Modern World Studies

1. What motivated Bismarck to enact reforms in Germany? 2. What kind of reforms were inacted in Germany and Britian? My answers: 1. Bismarck wanted Germany to be more united and when nationalism spread through Germany it helped Germany become a leading

*asked by Chrissy on September 26, 2007* -
## Psychology

16. Greg and Lydia have been married three years. Both hold executive positions in large corporations and are well respected in their fields. Last January, they were thrilled with the arrival of their first child. Lydia returned to her same position after

*asked by Katherine on July 25, 2013* -
## social studies

How many people work at Kennedy Space Center? http://www.nasa.gov/centers/kennedy/about/biographies/bio-current.html You can count the number of people listed here, but I'll bet this is not the entire employment list. You might also click on FirstGov and

*asked by harley on January 25, 2007* -
## math

Let h(x) = 3 x2 + 2 x + 1. Let g(x) = 3√{x} + 3. (Note: If there is a nonmathematical symbol in the preceding expression, then your browser doesn't have the math symbol font. Please follow the instructions on the Tools page in Oncourse to install the

*asked by Cara on September 17, 2010* -
## ESSAY EDITING

please edit for grammar and sentence structure!! thanks in advance!! Resnik briefly discusses several standards of ethical conduct in science. I will explain the standard of openness from Resnik’s point of view, and argue why it is important to follow

*asked by JESS on November 5, 2007* -
## Math 1 quick question

Instead of doing all that work to simplify the mixed radical , can I just change the mixed radical into an entire radical? Ex: 2* square root 18 into square root of 72

*asked by Miley on September 14, 2013* -
## MATH

trying to work equation problems and my answer is different from answer in textbook. 12/x = -3 and 24=120/x 1. 12/x(12)= -3(12), x= -36 textbook has -4 2. 24(120)= 120/x(120), x = 2880 textbook has 5 What am I doing wrong???

*asked by Amy on November 19, 2015* -
## Math

The length of a rectangle is 10 more than 1/2 the width. The perimeter is 38 feet. Find the length and width of the rectangle. The answer is L= 13, W=6 How do you get the answer???? Like how do you work it out to get that answer????

*asked by Megan Bill on December 12, 2010* -
## To: Jai

Instead of doing all that work to simplify the mixed radical , can I just change the mixed radical into an entire radical? Ex: 2* square root 18 into square root of 72

*asked by Miley on September 14, 2013* -
## Business Maths

Please show me how to calculate this problem: During 2007, Sitter Corporation reported net sales of $2,000,000, net income of $1,200,000, and depreciation expense of $100,000. Sitter also beginning total asset of $1,000,000, ending total asset of

*asked by Peaches on December 4, 2009* -
## finite math

A $1.2 million state lottery pays $5,000 at the beginning of each month for 20 years. How much money must the state actually have in hand to set up the payments for this prize if money is worth 7.7%, compounded monthly? (a) Decide whether the problem

*asked by help plzzz on May 1, 2011* -
## Math156

I can understand in my head how to solve it I can't figure it out on paper. Help......I'm sure this will be easy for someone. The Rental Depreciation Problem. The owner of a rental house can depreciate its value over a period of years, meaning that the

*asked by Christy on September 12, 2009* -
## proportion test

How to solve this? In a manufacturing plant, the old machine produced widgets with a defect rate of 12%. The boss wants to check if the new machine has a different defect rate. So he took a random of 820 widgets, and found 85 of them were defective. Are

*asked by oli on November 16, 2014* -
## Physics

these are practice questions that i have the answer to, but i don't know how to solve them: 1.A human hair is approximately 50um in diameter. Express this diameter in meters. 2. if a radio has a period of 1us, what is the wave's period in sesconds? 3. A

*asked by y912f on January 28, 2009* -
## pyschology

The Biosocial approach suggests that gender differences are based on: a. the hormone and neurological differences between men and women b. how men and women think about their environment c. the physical ability of men to protect the home and of women to

*asked by lisa on April 20, 2011* -
## Physics

A typical coal-fired power plant burns 310 metric tons of coal every hour to generate 790 MW of electricity. 1 metric ton= 1000 kg. The density of coal is 1500 {\rm kg}/{\rm m}^{3} and its heat of combustion is 28 \;\rm MJ/kg. Assume that all heat is

*asked by Jennifer on November 17, 2010* -
## marketing

you work in the marketing department of a small sportswear and accessories, but a proposal to diversify into sports shoes is under consideration. your marketing director asks you to write a report on the advantages and disadvantages of entering the sports

*asked by Anonymous on November 15, 2010* -
## Seattle central college

Which of the following is author’s opinion a. Olmsted - was appoint superintendent and worker began cleaning the land for construction. b. After a vote by park commissioner, Vaux and Olmsted become the officer design of Central Park. c. Calvert Vaux, a

*asked by Kim on March 21, 2018* -
## English/Film and Media studies

Hi My assignment is to talk about a documentary that doesn't exist. We had to pretend to create one and one of the things we need to discuss is our shot construction so everything from lighting, location to shot sizes. Then we need to talk about voice

*asked by Em on July 19, 2011* -
## Math

Each of the following objects have been measured with inappropriate units. Convert them to more suitable units. (Please check my work and see if the units are correct for the situation?) a) The thickness of a dime is 0.00122m 0.00122m*100cm/1m = 0.122cm b)

*asked by Bree on July 18, 2014* -
## chemistry

When 1.933 g of KNO3 is dissolved in 200 g of water initially at 23.57 ¢ªCelsius in a coffee-cup calorimeter, the final temperature is found to be 22.63 ¢ªCelsius. Calculate the heat released/absorbed per gram of KNO3 and per mol of KNO3 when KNO3

*asked by Spenser on October 14, 2014* -
## chemistry

CrCl3(s) + AgNO3 (aq)= AgCl(s) + Cr(NO3)3(aq) A 0.750 g sample of impure CrCl3 was removed from a bottle that contained 1.75 g of impure sample. The removed sample was dissolved in water and required 42.5 mL of 0.215 M AgNO3 solution to react with the

*asked by jade on March 12, 2012* -
## Math

Identify the rate, base, and amount 23% of 400 is 92 Complete the statement: 8 ft = _____ in Complete the statement. (Round to the nearest hundredth.) 250 km = _________ mi 3.Find the rate: 69 feet and 3 seconds Find the rate: 57ounces and 3 cans Solve the

*asked by Gertrude Sanders on October 26, 2008* -
## Science

Which of the following body systems work together to get cells the nutrients they need to carry out cellular respiration? A. the digestive and respiratory systems B. the respiratory and circulatory systems*** C. the digestive and circulatory systems D. the

*asked by Ms. P on February 12, 2019* -
## MATHS

Pipe A can fill a swimming pool in 10 hours.Pipe B can fill the same pool in 8 hours. If pipe A and pibe B work together for the first 2 hours and then pipe B stops working, how long will it take pipe A to finish the job?

*asked by LISA on January 26, 2015* -
## English

The children noisily entered the classroom as usual after their lunch break. One little girl approached the whiteboard and posted a post-it note on it. Written on the note was a complaint she had from lunch. The teacher read the note and she signaled me to

*asked by Roxy on June 24, 2008* -
## algebra

It takes 7 hours for Will to paint a house. Judy can paint the same house in 3 hours. How long will it take them to paint the house if they work together?

*asked by sandra on March 11, 2011* -
## Algebra 1

Alex can remodel a bathroom in 2 days. Abraham can remodel the same bathroom in 4 days. How long will it take them to remodel the bathroom if they work together?

*asked by Anonymous on October 23, 2013* -
## Algebra

Alex can remodel a bathroom in 2 days. Abraham can remodel the same bathroom in 4 days. How long will it take them to remodel the bathroom if they work together?

*asked by Anonymous on October 23, 2013* -
## Health-Care

Discussion Questions 1. Have you used information technology in your educational program before? Was there any terminology related to use of technology that you found difficult to understand? While taking this course, were there any terms related to the

*asked by roek on October 2, 2009* -
## Math

You have just isolated a new radioactive element. If you can determine its half-life, you will win the Nobel Prize in physic. You purify a sample of 2 grams.One of you colleges steals half of it, and 3 days later you find that 0.1 grams of the radioactive

*asked by Eric on September 16, 2014* -
## Calculus

I am trying to find the integral of e^(6x)sin(7x). Apparently, the answer is (6e^(6x)sin(7x) - 7e^(6x)cos(7x))/85) + C and achieving the answer is mostly understandable since it involves integrating the function in parts... that is until I get to this

*asked by Lindsey on October 7, 2018* -
## Math

Darren is making a map of population density in Central Florida. The two isosceles triangles below show the most and least populated areas according to Darren's results. The base of the large triangle covers 96 miles and the base of the small triangle

*asked by Anonymous on April 10, 2013* -
## physics

during a collision, a driver of mass m in a car moving at speed v is brought to rest by an inflated air bag in time t. (a) write an equation showing the average force the air bag exerts on the driver. (b) suppose the mass of the driver is 55 kg, the

*asked by osama on March 21, 2016* -
## Religion

On what day do most modern Christians participate in the activity shown? A. Sunday B. Monday C. Saturday D. Friday(it's a picture of people show in church) one. i know back in the old testament Christians celebrated the sabbath on Saturday. they also

*asked by Mel❤nie on January 11, 2019* -
## science

when you use a graph to solve a problem about how far a car traveled during a specified time during which it was accelerating how many area calculations do you have to make? what is/ are the shape/shapes you are calculating? a. one area calculation, a

*asked by carrie on May 12, 2010* -
## math

A pigeon runs into a flock of pigeons and asks their leader what is your number in this flock? The leader replays: I am not suppose to tell you our exact number, but if you take twice our number and add a half of our number and still add another quarter of

*asked by I have a headache on September 9, 2009* -
## Math

A pigeon runs into a flock of pigeons and asks their leader what is your number in this flock? The leader replays: I am not suppose to tell you our exact number, but if you take twice our number and add a half of our number and still add another quarter of

*asked by Anonymous on September 10, 2009* -
## Physics

A 263-g block is dropped onto a vertical spring with force constant k = 2.52N/cm. The block sticks to the spring, and the spring compress 11.8 cm before coming momentarily to rest. while the spring is being compressed, how much work is done: (a) By the

*asked by Kampamba Nsofu on May 24, 2017* -
## PHYSICS - please help!!!

In the product F = qv · B , take q = 4, v = 2.0i + 4.0j + 6.0k and F= 136i -176j + 72k. What then is in unit-vector notation if Bx = By? I still can't get the right answer though... I am stuck here: 136i-176j+72k=(8i+16j+24k)x(Bxi+Byj+bzk) How do I solve

*asked by sam on March 29, 2007* -
## Math

Budget $80,000 & $38,000. 25% OF THIS BUDGET WILL BE USED TO RENT BUSINESS SPACE & PAY FOR UTLITIES.Write an algebraic expression that indicates how much money will be spent on business space & utilities. Don't solve. How much money will rent & utilities

*asked by Billie on September 27, 2009* -
## QUANTITATIVE REASONING FOR BUSINESS

FOR AN INSTALLMENT LOAN, A FORMULA IS USED TO FIND THE TOTAL AMOUNT OF INSTALLMENT PAYMENTS. THE FORMULA IS TOTAL INSTALLMENT PAYMENTS = INSTALLMENT PRICE - DOWN PAYMENT. THE FORMULA CAN BE WRITTEN IN SYMBOLS AS T = P - D. SOLVE THE FORMULA FOR D.

*asked by Alesha on January 17, 2014* -
## math-inequalities

Hi, I am having some problems with inequalities. It is asking us to solve and graph on a number line and then write it in interval notation and set notation. X>2 and X>4 I graphed them in a number line already and i have the following: Interval notation

*asked by phobia on February 14, 2011* -
## math

Please help. Hi, I am having some problems with inequalities. It is asking us to solve and graph on a number line and then write it in interval notation and set notation. X>2 and X>4 I graphed them in a number line already and i have the following:

*asked by phobia on February 15, 2011* -
## Math

For a contest, students have to solve this problem: The length of a rectangle is 6 cm more than its width. The perimeter of the rectangle is 84 cm. What are the dimensions of the rectangle? a) One student says the dimensions of the rectangle are 39 cm by

*asked by Anonymous on April 14, 2019* -
## mechanics

Short column of rectangular cross section 160mm by 60mm carrying point load of 40 KN at max eccentricity position along the longer axis so that no tensile stress is applied. I worked out max eccentricity as 26.66 mm from RH and LH, and compressive stress

*asked by Danny on November 26, 2015* -
## math

please people i need your help. *Equal squares as large as possible are drawn on a rectangular board measuring 50 cm by 70 cm. Find the size of the square. Steve today at 8:18pm assuming you mean to cover the entire board, then since GCD(50,70)=10 The

*asked by kelvin on May 20, 2018* -
## Physics

A student makes ice cream using an old-fashioned hand-crank machine. He does 40 joules of work each time he turns the crank in a complete circle. The crank handle makes a circular path with a diameter of 0.5 meters. The student turns the crank at a rate of

*asked by kek on February 10, 2017* -
## Check my answers for world history

Star* by my answer 7. Which of the following was not a goal of Roosevelt's Square Deal? Creation of a social security system. Ensure that goods produced by American businesses were safe for consumers.* Conservation and preservation of the environment in

*asked by Carrie on January 20, 2016* -
## Math

Ms. Hendricks asked her students how they get to school each day. She collected their answers and determined the following results. • Half of her students take the bus. • 1 5 of her students walk. • The rest of her students ride with their parents.

*asked by Frances on May 5, 2011* -
## Math

This may be confusing and I apologize. 1. What is the value of x? Round the answer to the nearest tenth. The diagram is not drawn to scale. The diagram is a circle with two triangles in the middle that touch the inside wall of the circle. where they meet

*asked by Tim on June 8, 2016* -
## chemistry

I am a freshman in college, and am taking a placement test soon, but haven't seen chemistry since 10th grade. I'd appreciate any help I can get from anyone here to help me solve this problem: Hydrogen and sulfur chemically combine to form the gas hydrogen

*asked by John on January 5, 2012* -
## physics

Need help on which formulas I use to solve problems? A coil of wire with 200 circular turns of radius 3.00 cm is in a uniform magnetic field along the axis of the coil. The coil has R = 40.0 ohms. At what rate, in teslas per second, must the magnetic field

*asked by physicsclass on May 7, 2011* -
## algebra

1 A + (B + C)= (A + B) + C associative scalar quantity dot product 2 2 2 3 Two systems of linear equations involving the same variables are said to be _______ if they have the same solution set. set associative equivalent parallel 4 Compute the determinant

*asked by Mandung on January 14, 2013* -
## Physics 1

In recent years, scientists have discovered hundreds of planets orbiting other stars. Some of these planets are in orbits that are similar to that of earth, which orbits the sun (Msun = 1.99 × 10^(30) kg) at a distance of 1.50 × 10^(11) m, called 1

*asked by Skyler on March 1, 2015* -
## English (Need help rephrasing)

Can you please help me rephrase this? I have completed over 150 volunteer hours at {name} Hospital. Delivering and filing medical transcriptions is one of my favorite jobs. Through this work, I was able to explore every part of the hospital while having

*asked by Jacob on November 18, 2007* -
## Calculus

A force of 6 pounds is required to hold a spring stretched 0.2 feet beyond its natural length. How much work (in foot-pounds) is done in stretching the spring from its natural length to 0.6 feet beyond its natural length? could you please explain how.

*asked by john on October 26, 2015* -
## Physics

In physics, work is defined as the product of the A) net force and the distance traveled B) net force parallel to the motion and direction traveled C) net force parallel to the motion and the time it is applied

*asked by Beth on November 4, 2016* -
## math just need someone to check and make sure this

The Office Jet printer can copy Janet's dissertation in 10 min. The Laser Jet printer can copy the same documents in 8 min. If the two machines work together, how long would they take to copy the dissertation? 10*8=80 80/18= 4.4 so it would take 4 min. is

*asked by Marie on May 20, 2010*

## 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
- 919
- 920
- 921