# 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 834
1. ## physics

A 1200 kg car is being driven up a 5:0 hill. The frictional force is directed opposite to the motion of the car and has a magnitude of f = 524 N. A force ~F is applied to the car by the road and propels the car forward. In addition to these two forces, two

asked by deng on November 3, 2010
2. ## physics

A 1200 kg car is being driven up a 5:0 hill. The frictional force is directed opposite to the motion of the car and has a magnitude of f = 524 N. A force ~F is applied to the car by the road and propels the car forward. In addition to these two forces, two

asked by Anonymous on November 4, 2010
3. ## physics

A 1310-kg car is being driven up a 9.12 ° hill. The frictional force is directed opposite to the motion of the car and has a magnitude of 541 N. A force F is applied to the car by the road and propels the car forward. In addition to these two forces, two

asked by billy on July 8, 2013
4. ## physics

A 1460-kg car is being driven up a 10.0 ° hill. The frictional force is directed opposite to the motion of the car and has a magnitude of 497 N. A force F is applied to the car by the road and propels the car forward. In addition to these two forces, two

asked by heather on February 28, 2011
5. ## it

Explain how you would create the users for the sales organization unit and how to set up work groups in this particular situation. Keep in mind that you may have to name certain applications and allowable tasks for each individual or job role. First MI

asked by kim on November 13, 2008
6. ## e commerce

Give the URL of two different e-commerce Web sites. For one of the Web sites, outline the key technology infrastructure components necessary to support its e-commerce business the two web sites I decided on was ebay --which is consummer selling to

asked by Ray on June 11, 2007

Suppose you work at an amusement park. Your boss has asked you to determine the "people current," a measurement of moving people coming through the entrance of the park. a) what would be the units of "people current?" b) what information would "people

asked by Help! on February 11, 2015

Suppose you work at an amusement park. Your boss has asked you to determine the "people current," a measurement of moving people coming through the entrance of the park. a) what would be the units of "people current?" b) what information would "people

asked by Help! on February 11, 2015
9. ## Economics

Purpose:critical thinking and problem solving. 1. A description of the market form in which milk producers operate. 2.A detailed explanation,with graphs,of how the price of milk would have been determined in the absence of government involvement in the

asked by Unathi bam on May 24, 2015
10. ## PHYSICS! Really Confused! Test Tmrw

A person is standing on a 10-m bridge above a road. He wants to jump from the bridge and land in the bed of a truck that is approaching him at 30 m/s. In order to clear the bridge railing, he has to jump upward initially with a speed of 5 m/s. HOW FAR AWAY

asked by Emma on December 17, 2015
11. ## Health

1). Explain the relationship between the key terms in each of the following. a. direct pressure and indirect pressure b. goal and action plan A: a. Direction pressure is the pressure that results from someone who tries to convince you to do something you

asked by Anonymous on October 17, 2013
12. ## Algebra

I would really try and answer but I don't know how to start or even understand the problem. I would appreciate it if you help A music teacher runs a guitar class for 20 weeks. The class meets each week in a rented music studio. Suppose that: -It cost the

asked by Amy Cinata on February 27, 2018
13. ## physics

A light ray strikes a flat, L = 1.6 cm thick block (depth) of glass of refractive index 1.49 at an angle of 30 with the normal. Calculate the lateral shift of the light ray, d. there is a digram showing the light ray continuing at the same angle (30* to

asked by lauren on April 27, 2010
14. ## physics

A 110g hockey puck sent sliding over ice is stopped by a frictional force on it from the ice a) if its intial speed is 6.0m/s, what is the magnitude of the frictional force? b) what is the coefficient of friction between the puck and the ice? I am unsure

asked by tina on November 19, 2006

Ray's son, Martin, plays for the mnor league baseball team, The Cow-A-Bungas. He is the star player, and outfielder with a batting average of 0.340. (Batting average is the ratio of the number of times a player gets a hit to the number of times at bat.) If

asked by Joy on March 16, 2008
16. ## history

How did European Americans hope to influence Native Americans to adopt their culture? through encouraging the Bureau of Indian Affairs to provide monetary rewards to Native Americans who left reservations through indoctrinating Native American children

asked by michael on January 14, 2019
17. ## science

the specific heat capacity of lava is 1600 j kg -1 oC -1. when all the erupted lava cools from the eruption temperture of 1050 oC to 15 oC, the heat released is 15 2x10 j. calculate a value for the total mass of lava that erupted. give your answer in

asked by smartypants on May 16, 2007
18. ## physics

skateboards on a hill time speed kinetic energy and work starting from rest angel and Brittany skateboard down a hill as shown. angel rides down the steep side while britney rides down the shallow side. Angel has more mass than Britney. assume that

asked by xiara on March 9, 2014
19. ## Algebra II

Could someone please help me? I'm super confused by these questions and i just keep making a mess all over my paper! 1) A box of coins contains nickels, dimes, and quarters. The total value of the coins is \$4.00. If there were 3 times as many nickels, half

asked by Sara on January 11, 2008
20. ## English

Literary Analysis: Character and Characterization Read the selection. Then, answer the questions that follow. People who don’t know Harry tend to underestimate him. They cast a skeptical eye on his typical outfit: ragged jeans and shirts that bear

asked by quick help needed on May 29, 2016
21. ## English

Literary Analysis: Character and Characterization Read the selection. Then, answer the questions that follow. People who don’t know Harry tend to underestimate him. They cast a skeptical eye on his typical outfit: ragged jeans and shirts that bear

asked by quick help needed on May 1, 2016
22. ## English

Literary Analysis: Character and Characterization Read the selection. Then, answer the questions that follow. People who don’t know Harry tend to underestimate him. They cast a skeptical eye on his typical outfit: ragged jeans and shirts that bear

asked by quick help needed on May 28, 2016
23. ## english

Literary Analysis: Character and Characterization Read the selection. Then, answer the questions that follow. People who don’t know Harry tend to underestimate him. They cast a skeptical eye on his typical outfit: ragged jeans and shirts that bear

asked by Aya on October 25, 2012
24. ## English

Literary Analysis: Character and Characterization Read the selection. Then, answer the questions that follow. People who don’t know Harry tend to underestimate him. They cast a skeptical eye on his typical outfit: ragged jeans and shirts that bear

asked by RiRi on December 26, 2012
25. ## College Chemistry

I was asked to find delta Grxn for the equation I2+Cl2--->2ICl. Was given information to solve for Q (PICl= 2.55atm, PI2=0.315, PCl2=0.216), i ended up with 4.4588. Then I solved for the standard G rxn by: Delta G= (-10.9*2)- (19.3+0)= -41.1. I used the

asked by Mel on April 7, 2010
26. ## Chemistry

Mg(s) + 2HCl(aq) -> MgCl2(aq) + H2(g) delta H1? MgO(s) + 2HCl(aq) ->MgCl2(aq) + H2O(l) delta H2? To make these equations add up to the formation reaction of MgO, you will need to include the following: H2(g) + 1/2O2(l) delta H =-241.8 kJ Using Hess's Law

asked by Hannah on February 14, 2012
27. ## Algebra 2

sauce 1: 5 green peppers + 4 hot peppers sauce 2: 4 green peppers + 8 hot peppers I have 1050 green peppers and 1200 hot peppers Profit sauce 1 :\$1.20 Profit sauce 2: \$ 1.00 I made a system of inequalities: 5x +4y > 1 4x +8y > 1 x< 1050 y< 1200 I

asked by Aranxta on December 25, 2013
28. ## Government/Economics Check

Out of 48 questions I struggled with these. Could someone please check? These are multiple choice questions, so if I'm incorrect I can re evaluate my other choices. 1.) A system of social control under which a particular group has the power to make and

asked by Ariel on June 18, 2010
29. ## Chemistry

A 10.00 gram solid sample consisting of a mixture of sodium chloride and potassium sulfate is dissolved in 100.0 mL of water is combined with another 200.0 mL solution that contains excess aqueous lead(II) nitrate. Upon mixing the two solutions, a solid

asked by keitanako on March 18, 2014
30. ## Finite Math

At a price of \$ 1.94 per bushel, the supply corn in 9,800 million bushel and the demand is 9, 300 million bushel. At a price of \$1.82 per bushel, the supply is 9,400 million bushels and the demand is 9, 500 million bushels. A, find a price-supply equation

asked by daylo3 on January 23, 2011
31. ## History

2) Niccolo Machiavelli was a Florentine who was active in politics in that Italian city-state, where bloodshed and destruction were often part of the political process. In chapter XIV, Machiavelli wrote “A Prince, therefore, ought never to allow his

asked by Olivia on March 11, 2011
32. ## English

Can you check the grammar in the following sentences, please? 1) The most satisfying aspect of her work is that she doesn’t have to sit at a desk all day. 2) Though she has to write reports, she spends most of her time in court. 3) In particular, she has

asked by Franco on March 1, 2010
33. ## Math

A man standing 20 m from a tower estimates the angle of elavation of the top and bottom of a flagpole on the tower as 58 degrees and 55 degrees. Calculate the height of the flagpole. How would I go about finding the height of the flagpole? Calculate the

asked by Catherine on June 2, 2007
34. ## vertex angle

The three angles add to 180 degrees. Also , the two base angles of the isoscele triangle are equal, .. Set those base angles equal, and solve for x. Put that value of x into the given, and compute the base angles. The third angle will be the amount to add

asked by Anonymous on August 16, 2007
35. ## Government

IT can be said of regulatory commissions that: A.the commissioners pursue independent and impartial policies,regardless of political pressure from democrats or Republicans in congress. B.unlike presidential appointees in other areas,regulatory heads choose

asked by Calvin on December 21, 2011
36. ## american government

It can be said of regulatory commissions that: A.the commissioners pursue independent and impartial policies, regardless of politcal pressure from democrats or republicans in congress. B. unlike presidential appointees in other areas, regulatory heads

asked by sue on July 10, 2011
37. ## Chemistry

1) Assume that the reference half-cell is changed to a standard mercury-mercury (II) half-cell. a) What would be the reduction potential of a standard chlorine half-cell. c) What would be the cell potential of a standard chlorine-nickel cell. 2) For each

asked by Alex on March 5, 2008
38. ## Chemistry

1) Assume that the reference half-cell is changed to a standard mercury-mercury (II) half-cell. a) What would be the reduction potential of a standard chlorine half-cell. c) What would be the cell potential of a standard chlorine-nickel cell. 2) For each

asked by Anonymous on March 5, 2008
39. ## physics

a graphic artist is craeting a a logo for her company's website. in the graphicics program she is using , each pixel in an image file has coordinates (x,y), where the origin(0,0) is at the left top corner of the image, the x-axis points to the right and

asked by khalipa on March 20, 2010
40. ## Physics

Four forces are acting on an object. Force 1 has a magnitude of 5N at an angle of 70° above the +x-axis; force 2 has a magnitude of 8N at an angle of 35° above the +x-axis; force 3 has a magnitude of 4N at an angle of 20° above the -x-axis; force 4 has

asked by Sarah on October 10, 2014
41. ## Math/Physics

Thanks in advance, these problems have been stumping me. Please include answers though, I have tried to work it out, but need answers to see where I am going wrong/where I need to go. 1. Determine all solutions for X^4+2-3i 2. Forces of 60 and 100 pounds

asked by Hujinson on May 11, 2009
42. ## Science- Electric and Magnetic Potential Energy

1. At which position will the bar magnets most likely experience the least magnetic potential energy between them? D - position 4 2. A positively charged test object is moving toward the positive source charge in an electric field. B - It's potential

asked by ImLegit on April 19, 2016
43. ## Math

Thanks in advance, these problems have been stumping me. Please include answers though, I have tried to work it out, but need answers to see where I am going wrong/where I need to go. 1. Determine all solutions for X^4+2-3i 2. Forces of 60 and 100 pounds

asked by Hujinson on May 11, 2009
44. ## Pre-calc

Thanks in advance, these problems have been stumping me. Please include answers though, I have tried to work it out, but need answers to see where I am going wrong/where I need to go. 1. Determine all solutions for X^4+2-3i 2. Forces of 60 and 100 pounds

asked by Hujinson on May 11, 2009
45. ## Algebra 1

You have decided to get a job to pay for a car to drive. You estimate it will cost you \$300 per month to buy and maintain the car. You get a job that pays \$9.10 per hour. Write an equation for your pay as a function of the hours worked (Use x for the hours

asked by David on March 6, 2017
46. ## Pre calc

Thanks in advance, these problems have been stumping me. Please include answers though, I have tried to work it out, but need answers to see where I am going wrong/where I need to go. 1. Determine all solutions for X^4+2-3i 2. Forces of 60 and 100 pounds

asked by alex on May 12, 2009
47. ## Algebra 1

You have decided to get a job to pay for a car to drive. You estimate it will cost you \$300 per month to buy and maintain the car. You get a job that pays \$9.10 per hour. Write an equation for your pay as a function of the hours worked (Use x for the hours

asked by David on March 6, 2017
48. ## Algebra 1

You have decided to get a job to pay for a car to drive. You estimate it will cost you \$300 per month to buy and maintain the car. You get a job that pays \$9.10 per hour. Write an equation for your pay as a function of the hours worked (Use x for the hours

asked by David on March 6, 2017
49. ## Physics

A ship sets sail from Rotterdam, The Netherlands intending to head due north at 5.5 m/s relative to the water. However, the local ocean current is 1.5m/s in the direction north of east and changes the ship's intended motion. a) In what direction would the

asked by Bangtan on June 23, 2018
50. ## English

Thank you very much for explaining to me the best choice. I still have a few sentences I'm doubtful of. I included 7 doubts using question words. Thank you 1) Sometimes my parents aren't at home for (?) their work and so I have to stay at home alone with

asked by Mike1 on April 17, 2011
51. ## History

How did Japan attempt to solve its economic troubles during the Great Depression? The Japanese government began to invest in less capital-intensive industries to reduce overhead and promote international trade. The collapse of the US stock market caused

asked by Kambrie on April 8, 2019
52. ## History

How did Japan attempt to solve its economic troubles during the Great Depression? The Japanese government began to invest in less capital-intensive industries to reduce overhead and promote international trade. ..The collapse of the US stock market caused

asked by Anonymous on August 24, 2018
53. ## History

How did Japan attempt to solve its economic troubles during the Great Depression? The Japanese government began to invest in less capital-intensive industries to reduce overhead and promote international trade. The collapse of the US stock market caused

asked by Heather on August 10, 2018
54. ## Effective Learning Environment

The textbook discusses the effective, appropriate use of walls. Which of the following teachers is demonstrating what the book discussed? A. "In my class, I have a very large calendar, a weather chart, ABCs, number lines, and color charts. This takes up

asked by Priscila on February 7, 2017

A rock of mass 5kg is pushed over the edge of a cliff which is 200m high 1.ignore air resistance and calculate the speed of the rock at the bottom of the cliff. In reality air resistance cannot be ignored. The rock eventually reaches terminal velocity of

asked by Annah van tonder on April 16, 2015

A rock of mass 5kg is pushed over the edge of a cliff which is 200m high 1.ignore air resistance and calculate the speed of the rock at the bottom of the cliff. In reality air resistance cannot be ignored. The rock eventually reaches terminal velocity of

asked by Annah van tonder on April 15, 2015
57. ## Physics

At an air show, a jet plane has velocity components vx = 695 km/h and vy = 440 km/h at time 4.85s and vx= 933km/h and vy = 465 km/h at time 7.12 s. For this time interval, find (a) the x and y components of the plane’s average acceleration and (b) the

asked by mo on January 22, 2012
58. ## Physics

At an air show, a jet plane has velocity components vx = 695 km/h and vy = 440 km/h at time 4.85s and vx= 933km/h and vy = 465 km/h at time 7.12 s. For this time interval, find (a) the x and y components of the plane’s average acceleration and (b) the

asked by mo on January 22, 2012
59. ## math help

You recently started the paper work for your new homeand you were just notified you can move in , in t0 weeks.You then decide to hire a moving company,but are unsure which company to choose.You search on line and are interestted in contacting 2 companies,

asked by tera on February 8, 2009
60. ## Com 215

How can stereotying effect group relations. Give an example of a sterotype you find in your everyday life. Stereotyping causes a person to view individuals narrowly and representative of a negative image, rather than as unique individuals. If, for

asked by Rose on October 21, 2006
61. ## U.S. History

What effect did the demobilization that followed World War I have on the American workforce? A) Members of labor unions were viewed as disloyal and were monitored by the FBI. B) Thousands of women and African-Americans lost their jobs as returning

asked by Roger on July 1, 2015
62. ## chemistry

i need to know if I am in the right tract please let me know...I am calulating the molality of the following exercise so I could be able to apply the formula T=Kf * molality calculate the freezing point of a solution containin 12.2 grams of benzoic acid,

asked by Joshua on October 27, 2008
63. ## science

When salt (NaCI) is added to water, it disassociates into Na and Cl-ions. Which of the following types of chemical bond is present in a salt molecule? A. Covalent bond B. Ionic bond C. Hydrogen bond D. Disulfide bond i think its B An example of active

asked by manny on October 25, 2015
64. ## Language

After the daughter in "Two Kinds" has grown up her mother and for us to give her a piano for her birthday. This action is that her mother. A. Still believes that her daughter can become a great pianist . B. Want to remind her daughter that she disappointed

asked by Bobby on August 26, 2017
65. ## Physics - Center of Mass

A square aluminum plate (volume mass ρ = 2700 kg/m^3) has dimension L = 4.8 m and e = 0.9 m. A cylinder of radius R = 1.5 m and at a distance d = 1.2 m from the center of the plate and at 20 deg with the horizontal, is removed from the plate. Find the

asked by Kid on August 28, 2017

1.Write 4x4x4x4x4 as a power of 4. Answer: 4^5 2. Evaluate. 72 divide 8-9 divide 3 Answer: 0 3. Give the place value for the indicated digit 8 in the number 138,350 Answer: Thousands 4. Fencing a rectangular field that measures 37 ft by 27 ft How much

asked by tara on February 7, 2007
67. ## chemistry

A stock solution's hypochlorite activity was determined as follows: . - 2.00g of liquid sodium hypochlorite (NaOCl) was weighed into a flask and diluted with 50mL deionized water.10mL of 10% sulfuric acid and 10mL of 10% potasssium iodide were added,

asked by angela on August 4, 2010

1.Which of the words means the same as “confidence” as used in the sentences She told me in confidence what her plans were, and I refused to divulge them to anyone else. A. Secret b. Reliable C. Assurance d. Certainty 2. The gist of the saying went

asked by wedi on June 7, 2015

1.Which of the words means the same as “confidence” as used in the sentences She told me in confidence what her plans were, and I refused to divulge them to anyone else. A. Secret b. Reliable C. Assurance d. Certainty 2. The gist of the saying went

asked by wedi on June 7, 2015
70. ## Physics

Both drawings show the same square, each of which has a side of length L=0.75 m. An observer O is stationed at one corner of each square. Two loudspeakers are locate at corners of the square, as in either drawing 1 or drawing 2. The speakers produce the

asked by Vivien on July 9, 2013
71. ## Math-SineLaw

Fire lookout towers are used to locate fires so they can be put out as soon as possible. These towers often work in networks and if two towers can see a fire at the same time, they can determine the location of the fire vey accurately. A.) Two forest

asked by Sydney on June 5, 2016
72. ## Chemistry

The oxidation of copper(I) oxide, Cu2O(s), to copper(II) oxide, CuO(s), is an exothermic process, 2 Cu2O + O2 --> 4CuO The change in enthalpy upon reaction of 75.30 g of Cu2O(s) is -76.83 kJ. Calculate the work, w, and energy change, ΔUrxn, when 75.30 g

asked by chemgeek on November 4, 2013
73. ## computer science

I have a project due May 17. I have to create a math game using a GUI/Menu. The game has to give the user the option to chosse between which subject they would like to work on: adding, subtracting, dividing, multiplying integers; adding, subtracting,

asked by Carlissa on May 16, 2011
74. ## Maths - Optimisation

I've been trying to work out this question for hours and I can't seem to figure it out. Question: "Point 'A' is situated in the bottom left hand corner of a vertical rectangle with the dimensions 6m x 3m. Point 'B' is situated in the opposite top corner of

asked by Jane on August 8, 2014
75. ## Math

47.Myra works part time as a journal editor.She works 10 hours each week.During her work week, she edits 4 articles in 2 hours which of the following could be used to find a the number of articles that Myra edits during the week? A.a/2=4/10 B.10/4=a/2

asked by Jerald on April 17, 2013
76. ## physics

(a) Find the force P that must be applied to a piston of area 10.60 cm2 to produce sufficient fluid pressure to support a car weighing 12,101 N by means of a column of fluid of cross sectional area 285 cm2 as seen in the figure below. F1/A1=F2/A2

asked by Anonymous on June 12, 2014
77. ## geomery b

I need help understanding this so please help me?? 1. A table is 4 ft high. A small model of the table is 6 in. high. What is the ratio of the height of the model table to the height of the real table? 2 : 3 1 : 6 1 : 8 2 : 6 2. If a/b = 9/10, complete

asked by Jesicca on April 6, 2011
78. ## Physics

You pull on a wagon resting on the sidewalk. What will happen next? The wagon moves because you apply more force to the wagon than it applies to you. The wagon doesn’t move because the force you apply to the wagon is equal to the force it applies to you:

asked by BlessedGalPal on October 8, 2018
79. ## TRIGONOMETRY

Can you check my work, please? This is for a trig study guide for my final next week. I'd like to know if I'm doing this right. :) 2. The polar coordinates of a point are given. Find the rectangular coordinates of each point. a. (5,(π / 4)) b. (-2,(π /

asked by Kate on May 16, 2013
80. ## Accounting urgent Edit

The management of Stampfer Inc. asks your help in determining the comparative effects of the FIFO and LIFO inventory cost flow methods. For 2007 the accounting records show these data. Inventory, January 1 (10,000 units) \$35,390 Cost of 120,000 units

asked by jimmy on October 19, 2007
81. ## Chemistry

A critical reaction in the production of energy to do work or drive chemical reactions in biological systems is the hydrolysis of adenosine triphosphate, ATP, to adenosine diphosphate, ADP, as described by ATP(aq) +H2O (l) --->ADP(aq) +HPO4^2- for which

asked by Jerry on March 14, 2012
82. ## Grammar

Instructions: Add commas where needed in the following sentences. Some sentences may not require commas. (Rule 2a) Work: 1. Students parents teachers and visitors attended the school play. -So i put the commas between students and parents, and i put it

asked by Losa on June 25, 2012
83. ## math

I am confuse at the following, please explain: a company employs a total of 527people, and 47 of these people work in the operations depart. Which of the following is a ratio that compares the number of people in the operations depart. to the total# of

asked by Haydee on August 25, 2006
84. ## math

A stunt motorcyclist makes a jump from one ramp 20 feet off the ground. The jump between ramps can be modeled by y= -1/640x^2 + 1/4x +20 where x is the horizontal distance (in feet) and y is the height above ground (in feet). I think a is 20 feet, but I

asked by Joel on September 24, 2013
85. ## Algebra 2

A stunt motorcyclist makes a jump from one ramp 20 feet off the ground. The jump between ramps can be modeled by y= -1/640x^2 + 1/4x +20 where x is the horizontal distance (in feet) and y is the height above ground (in feet). I think a is 20 feet, but I

asked by Krystal on September 24, 2013
86. ## Literature

Give an example of a story, novel, or film that lacks a strong basic situation, complication, climax, or resolution. Describe how this lack affected your enjoyment of the work. It should be atleast a paragraph long. This is what I have: I think The Secret

asked by mysterychicken on August 29, 2009
87. ## Astronomy

Imagine that you have found an object out in space. When you use the inverse square law to compute its luminosity, you get a ridiculously large value. You therefore suspect that relativistic beaming is at work - the radiation is coming from a jet traveling

asked by qwerty on May 11, 2014
88. ## physics

I'm trying to rearange this equation for Mu s That is the greek letter Mu subscript s... the static coeficent of friction m2 = m1 sin theta - Mu s m1 cos theta ok I got this Mu s = -((m1 cos theta)^-1 (m2 - m1 sin theta)) ok I know that sin over cosine is

asked by physics on July 30, 2009
89. ## Chemistry

If you add 0.35grams NaF to 150mL of a 0.30M HF, what is the pH of the resulting solution? To start off would I use the value of 1.4e-11 for F^-^ and 7.2e-4 for HF? Chemistry(Please help) - DrBob222, Tuesday, April 10, 2012 at 12:04am This is a buffer

asked by Hannah on April 10, 2012
90. ## Chem

a chemist is asked to identify 2 solutions whose labels have peeled off. One is known to contain 1.0 mol of NaCl, the other is 1 mol of Na2CO3. Both solutes are dissolved in 1 kg of water. If the chemist measures the freezing point of each solution, can it

asked by Kim on April 30, 2007
91. ## Math

how do I solve this problem.. Marty has 6 more pogs the Jen. After he gives 10 pogs to Jen, how many more pogs will Jen have than Marty>

asked by Marshall on September 11, 2012
92. ## Bio

Insulin, antibodies, enzymes and progesterone are four of many molecules found in and around cells. Of these four__________ are/is not a protein. (Points: 4) a. antibodies b. insulin and antibodies c. antibodies and progesterone d. progesterone The reason

asked by Josh on June 17, 2006
93. ## basic math

In my book A bread piece calls for 3 1/4 cups of flour if you only have 2 1/8 cup. How much more flour is needed? 3 1/4 -2 1/8= 13/4 - 17/9 how does it equal 13/4 can someone show me that part? I thought I knew how to subtract fractions but I don't get it.

asked by chrissy on August 6, 2007
94. ## Pre-Calculus

1. A projectile is fired straight up from a height of 6 feet. Its height (h) in feet after t seconds is given by h = 6 + 192t -16t^2. Answer: h = -16t^2 + 192t + 6 h = -16( t^2 -12t +36) + 6 +576 h = -16 (t-6)^2 +582 The maximum height will be 582 feet. 2.

asked by Lucina on March 16, 2015
95. ## Chem

How many chlorine atoms are in 5.0 g of C2H3Cl3O2? What mass of C2H3Cl3O2 would contain 1.0g Cl? There are 6.02 x 10^23 atoms in a mole of anything. Calculate the molar mass of your compound, that mass will contain 6.02 x 10^23 molecules of that material

asked by Min on December 9, 2006
96. ## Physics

A roller-coaster car with a mass of 650 kg starts at rest from a point 28 m above the ground. At point B, it is 14 m above the ground. [Express your answers in kilojoules (kJ).] (a) What is the initial potential energy of the car? 1 . kJ (b) What is the

asked by Sara on March 5, 2012
97. ## Algebra

a worker has a new pump and an old pump. the new pump can fill a tank in five hours and the old pump can fill the same tank in 7 hours write and solve an equation for the time it will take both pumps to fill one tank if the pumps are used together.

asked by Kayla on August 27, 2015
98. ## Physics/Math

Determine the missing value. a) Output value/Efficiency: 100 J Efficiency: 100% Input E = ??? b) Input: 100 J Efficiency: 30% Output E = ?? Output= 30 J c) Output E: 120 000 J Efficiency: 2% Input E= ?? How would I solve for the put value? Thank you!

asked by Lucina on January 19, 2015