# 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 849
1. ## Chemistry

1. For the reaction 2N2O(g) ⇋ O2(g) + 2N2(g), what happens to the equilibrium position if the pressure decreases? A. Shift to the right B. Shift to the left C. Doubles D. Does nothing E. Halves 2. if an equilibrium reaction shifts to the right when the

asked by josh on October 16, 2012
2. ## Math

(1 & 2) The first three points do not fall on a straight line, and there is no value of k that will make that happen. (4) To find the quadratic y = a x^2 + bx + c that passes through the first three points, solve simultaneously 1 = c 3 = 4a + 2b + c 6 = 16

asked by drwls on December 25, 2006
3. ## sat math

I have some questions that I'm a little stuck on. They're pretty simple but I'm just having trouble. Can someone please tell me the steps on how to solve them? 1. A collection of books is set up into 34 rows. The first row has 96 books, and each row after

asked by zf on May 29, 2013
4. ## chemistry

Reaction 1: I2(aq)Cu^+2(aq) Ag^+(aq)Br2(aq) Column 1---Column 2---Column 3---Column 4---Column 5 I-(aq)---X---X---T---T Cu(s)---T---X---T---T Ag(s)---X---X---X---T Br-(aq)---X---X---X---X Reaction of metals and solution of ions Reaction 2:

asked by Joseph on April 14, 2008
5. ## history

Which describes the relationship between oil-producing Middle Eastern nations and the consumer states that consume their petroleum? Consumer states often are dependent on Mideast oil producers, but potential ties to terrorist groups are a disturbing

asked by dianni on December 12, 2018
6. ## math HARD

What is the general formula for the factorial notation? Hmmmm. Hard? n!= 1*2*3*4*...*n-1*n I have been missing from school and we have just learned it. So I am not very good at it. There is quite a lot on Wikipedia /wiki/Factorial Which includes the

asked by george on March 31, 2007
7. ## Physics w/ Calc

A baseball approaches home plate at a speed of 43.0 m/s, moving horizontally just before being hit by a bat. The batter hits a pop-up such that after hitting the bat, the baseball is moving at 54.0 m/s straight up. The ball has a mass of 145 g and is in

asked by Lauren on October 16, 2011
8. ## Chemistry

I want to know the enthalpy change for this reaction which occurs in a blast furnace: Fe2O3(s) + 3C(s) --> 2Fe(l) + 3CO(g) You will need the heat of formation for CO, and ironIIIoxide, and the heatofmelting for iron. I suspect you have some temperature in

asked by Alice on April 15, 2007
9. ## geo

George and phil were playing with their fish tank again. they had a difficult time keeping their fish tank is 100 cm long, 60 cm wide and 40 cm high. they tilted the tank resting on a 60 cm edge, with the water level reaching the midpoint of the base. when

asked by jen on December 7, 2006
10. ## calculus

1 pt) Coroners estimate time of death using the rule of thumb that a body cools about 2 degrees F during the first hour after death and about 1 degree F for each additional hour. Assuming an air temperature of 68 degrees F and a living body temperature of

asked by emily on April 1, 2015
11. ## science

Bill finds an unusual object and wishes to calculate it's density. He discovers a problem of accurately weighing it, because it won't stay on the weighing pan. To solve this he adds the object to a beaker containing 59 mL of distilled water and finds the

asked by Arthur on August 18, 2009
12. ## PHYSICS: does anyone know how to do this???

Take the weight of the child (mg), and break it into forces down the plane, and normal to the plane. down the plane mgsinTheta normal to plane mgCosTheta So friction is mu*mgCosTheta. Sliding down, the friction opposes it, so

asked by bobpursley on October 1, 2006
13. ## economics

cattle rancher (A) owns a property next to an apple farm (B) cattle sometimes tent to roam into B's land and damage the trees. The rancher can choose the size of the herd. revenue form cattle is \$6 per head. The following schedle lists A's marginal

14. ## psychology

This solution covers the following theories of emotion: the James-Lange theory, the Cannon-Bard theory, the two-factor theory, and the cognitive-mediational theory. It begins by defining them and explaining them in terms of the interactions between their

asked by Anonymous on July 12, 2010
15. ## algebra

1)Use synthetic subsitution to find f(-3)for f(x)=x^4-4x^3+2x^2-4x+6 answer= -15 2)One factor of x^3+2x^2-11x-12 is x+4. find the remaining factors answer= x-1;x-3 3)Which describes the number and type of roots of the equation x^3+121x=0 answer= 1 real

asked by Marissa on August 17, 2007
16. ## AED 204

Check the Main forum to see which discussion cluster your teacher has assigned you to work with. In this cluster, you and your peers must discuss the effect of at least three of the above misconceptions on education. The one that she assigned me is Boys

asked by Rayna on June 15, 2010
17. ## physics

For a particular type of wave in a particular medium why must f and lambda be inversely proportional. Frequency deals with the number of waves per second, while wavelength deals with the distance from peak to peak. It would be inversely proportional

asked by susan on February 18, 2007
18. ## English

Could you please tell me if everything is OK? Thank you. I had to include the linguistic objectives of the project as well as the methods we are going to employ. Linguistic objectives 1)To provide students with the necessary linguistic structures to

asked by Henry2 on January 28, 2012
19. ## chemistry

Asprin, C9H8O4, is prepared by reacting salicylic acid, C7H6O3, with acetic anhydride, C4H6O3, in the reaction C7H6O3(s) + C4H6O3(l) -> C9H8O4(s) + C2H4O2(l) A student is told to prepare 45.0 g of aspirin. She is also told to use a 55.0% excess of the

asked by Chris on October 18, 2006
20. ## Physics

water flows smoothly from the left-hand pipe section (radius 2.00R), through the middle section (radius R), and into the right-hand section (radius 3.00R). The speed of the water in the middle section is 0.460 m/s. What is the net work done on 0.430 m3 of

asked by Alex on November 14, 2011
21. ## physics

Let's pretend the Qs are actual numbers. So an unstretched, mass less spring constant Q3 N/m and length Q10 meters is attached between a wall and a mass of Q5 kg. The coefficient of both static and kinetic friction between the mass and the table is Q13. A

asked by autumn on December 2, 2009
22. ## chemistry

A specimen of LaNi5 containing hydrogen is placed in a vacuum furnace. After 1 hour, at what depth from the surface of the specimen has the concentration of hydrogen reached 1/3 the initial concentration? The diffusion coefficient of hydrogen in the alloy

asked by himani. on April 28, 2013
23. ## Marginal Analysis

Applacian Coal Mine Co believes it can increase labor productivity and therefore, net revenue by reducing air pollution in its mines. It is estimated that the marginal cost for reducing pollution by installing additional capital equipment is MC =

asked by Ed on June 1, 2007
24. ## chemistry

A specimen of LaNi5 containing hydrogen is placed in a vacuum furnace. After 1 hour, at what depth from the surface of the specimen has the concentration of hydrogen reached 1/3 the initial concentration? The diffusion coefficient of hydrogen in the alloy

asked by Anonymous on April 26, 2013
25. ## English

Thank you very much for your corrections. Can you help me with these sentences, please? Thank you very much. 1)Despite the corruption among the clergy, the church played a fundamental role in the Middle Ages. Actually/In particular/As a matter of fact/In

asked by Franco on November 25, 2010
26. ## Math

i^6 = (i^2)^3 = (-1)^3 = -1 The square, not the square root of -1 is 1. :) B.t.w., can you prove that -1 times -1 is 1? Hint, try to prove first that for any number X: -1 times X equals -X How do you find the square root of -1? The square of any real

asked by Count Iblis on November 15, 2006
27. ## Stoichiometry

How many grams of ZnO is needed to make 6.8 g of ZnCl2. Change 6.8 g ZnCl2 to mols. One mol ZnO is needed to make 1 mol ZnCl2. Change mols ZnO to g ZnO. Post your work if you get stuck.

asked by C.J. on December 1, 2006
28. ## Human Resources

In the home office, a director asked an employee about a particular machine, the employee replied that she did not know what the machine was called or what it did, but she precisely know how to operate it. At the branch office, a supervisor explained that

asked by Katie on September 6, 2008
29. ## chemistry

Aspirin (C9H8O4) is synthesized by reacting salicylic acid (C7H6O3) with acetic anhydride (C4H6O3). The balanced equation is given below. C7H6O3 + C4H6O3 C9H8O4 + HC2H3O2 What mass of acetic anhydride is needed to completely consume 3.60 x 10^2 g salicylic

asked by lyne on January 23, 2009
30. ## math

I HAVE THESE ANSWERS FOR THE PROBLEMS. COULD YOU DOUBLE CHECK PLEASE, THIS IS A PRACTICE QUIZ WHICH ISN'T A GRADE IT JUST HELPS ME GET READY FOR THE TEST. 1) a 2) b 3) d 4) a 5) d 1. Solve x^3 + 6x^2 + 13x + 10 = 0. a) –2 + 2i, –2 –2i, –2 b) 2 + i,

asked by cal on October 7, 2008
31. ## Physics

CAN SOMEONE PLEASE HELP ME; I NEED TO KNOW IF MY ANSWERS TO THESE QUESTIONS ARE CORRECT! THANK YOU SO MUCH!! 1.) Whenever an interaction occurs in a system forces occur in equal and opposite pairs. Which of the following do not always occur in equal and

asked by Hannah on December 3, 2009
32. ## english

Describe the literay elements used in the book Twisted Summer by Willo Davis Roberts? We'll be glad to critique your answer if you post it here. You may get some ideas about the literary elements from the reviews in this site.

asked by melissa on August 2, 2007
33. ## chemistry

when 1.40 g of hydrated magnesium salfate is heated to constant mass, 0.68 g of the anhydrous salt remains. find the formula for the hydrated magnesium sulfate. MgSO4*xH2O ==> MgSO4 + xH2O grams water = 1.40 - 0.68 = ?? mols H2O = ??/molar mass H2O. mols

asked by San on March 17, 2007
34. ## AP Calc (Derivatives)

Suppose a coin is dropped from the top of the Empire State Building in New York, which is 1454 feet tall. The position function for free-falling objects is s(t) =−16t^2+v0t + s0. Question: At what time is the instantaneous velocity of the coin equal to

asked by Pax on January 20, 2015
35. ## English

This is my english assignment, hope someone will look over it for me!! Thanks Identify the phrase in the sentence below, and name the kind and function of each phrase. a)Having had a good season, they hoped to win the trophy. having had a good season:

asked by Erica on February 4, 2009
36. ## Allied Health

Writing Guidelines: Answer every question carefully use proper citation in either APA or MLA Style. Be specific and limit your submission to questions being asked and issues mentioned. Include a reference page APA or MLA style on this page also include any

asked by Anonymous on April 22, 2009
37. ## managerial accounting

Tusk pty ltd uses standard costs system for its single product in which variable manufacturing overheads is applied on the basis of direct labour hours. The following information is given: Standard costs: Raw material[R16per kg] Per unit R 24.00 Direct

asked by steve on February 12, 2010

The common laboratory solvent diethyl ether (ether) is often used to purify substances dissolved in it. The vapor pressure of diethyl ether , CH3CH2OCH2CH3, is 463.57 mm Hg at 25oC. In a laboratory experiment, students synthesized a new compound and found

asked by Hannah on February 19, 2012
39. ## Algebra

Please help me with this problem, I'm not entirely sure on what to do to solve it. Thank you, tutors. The weight of an object is related to its length by the equation: weight (in pounds) = 3L^3 (in feet). If the object is 6 feet tall, what is its weight?

asked by anon on January 6, 2016
40. ## Physics

A hot air balloon is hovering at an altitude of 6000 meters. The pilot decides that it is time to descend and turns off the balloon's burners. Once the balloon reaches the ground, the gas inside the balloon occupies 980 m^3 and is at atmospheric pressure.

asked by GRISSELL on February 18, 2012
41. ## math

i need help with this open-ended you are having so much fun in the kitchen you decide that you want to make your aunt,s favorite dessert to show her special she is to you .you find the recipe on the internet for the recipe white raspberry cheesecake

asked by Eduarda on December 31, 2012
42. ## Just 2 sentences.

The problems of conflicting expectations. The importance of not selling out. Can anyone make that sentences more simple? cuz I don't get what those means... I don't see a verb in either. Are these sentences, or sentence fragments? If these had verbs and

asked by Justin on January 4, 2007
43. ## Literature

I am not asking anyone to answer these questions for me, but I would hope that someone could possibly guide me toward the answers to these questions. These questions regard "The Dangerous Game" by Richard Connell, which is available to read upon the

asked by Anonymous on January 18, 2014
44. ## Physics

Some spacecraft design uses a solar sail made of aluminized plastic. As sunlight reflects off the sail, radiation pressure drives the spacecraft outward away from the sun. a. If the sail material has a density of 600.0 kg/m3, what is the maximum thickness

asked by Louis on March 10, 2011

Can someone help me? In the picture given on the above site, I have to determine if it shows elements of naturalism and idealism. If is abtract or not. Is a photo of a sphinx supposed to show up? With this description: Sphinx of Senwosret III, ca.

asked by Anonymous on June 17, 2006
46. ## chemistry ap

Why would [23.8-(.0588)(23.8)] be the proper setup to determine the vapor pressure of a solution at 25 Celsius that has 45g of C6H12O6, glucose (MM=180gxmol^-1), dissolved in 72g of H2O? The vapor pressure of pure water at 25Celsius is 23.8 torr. vp pure

asked by alexa on May 17, 2007
47. ## Math

Write an equation and solve. 1/A spider has 8legs. What is the number of legs on 5spiders? 2/A truck has 6wheels. What is the number of wheels on ten trucks? 3/A table seats 4 people. How many people can be seated at 6 tables? 4/There are 3 feet in 1 yard.

asked by Nawaf on December 1, 2013
48. ## Intermediate Algebra

Create a list of six questions on solving equations with absolute value symbols that I will try to research, address, discuss, and/or express? Example: Google Earth: The Google Earth image shows the western side of The Mall in Washington D.C. The distance

asked by Roger on May 3, 2012
49. ## Enchancing Children's Self-Esteem

Please check to make sure my answers are correct. 1. It’s important to help children develop positive self-esteem because A. it will help them be more successful at their careers later in life. B. they’ll be more likely to question authority, when

asked by toney on October 31, 2009
50. ## Physics

1. The problem statement, all variables and given/known data The asteroid Icarus, though only a few hundred meters across, orbits the Sun like the other planents. Its period is about 410 d. What is its mean distance from the Sun? 2. Relevant equations

asked by Rau on December 24, 2009
51. ## Art

I left out a few other things. Could you please check them, too? 1) The difference about advertising today is that…..(or What is different about advertising today is….) 2) Children cannot oppose their appearance in ads. They cannot do anything against

asked by John on May 27, 2012
52. ## Precalculus/Trig

Prove the following identity: 1/tanx + tanx = 1/sinxcosx I can't seem to prove it. This is my work, I must've made a mistake somewhere: Converted 1/tanx: 1/sinx/cosx + sinx/cosx = 1/sinxcosx Simplified 1/sinx/cosx: cosx/sinx + sinx/cosx = 1/sinxcosx Found

asked by Heather on August 14, 2014
53. ## Barkerville

Would you have preferred to mine or to operate a business that supported the miners, if you had been an inhabitant of Barkerville during its gold rush? I would have chosen to operate my own business to support the miners. By choosing to run my own

asked by Emma on June 8, 2011
54. ## socials--Barkerville the Evolution of a town

Would you have preferred to mine or to operate a business that supported the miners, if you had been an inhabitant of Barkerville during its gold rush? I would have chosen to operate my own business to support the miners. By choosing to run my own

asked by Emma on June 8, 2011
55. ## physics

In the circuit below, at time t = 0, the switch is closed, causing the capacitors to charge. The voltage across the battery is 12 V The circuit: flickr. com/photos/ 68751220@N03 /6848519773/ A)Calculate the time constant for the RC circuit B)Calculate the

asked by Dan on July 27, 2012
56. ## physics

a 60kg man is on a steadily rotating Ferris wheel. the man is standing on a bathroom scale and the scale reads 45kg at the top of the wheel. take g=10m/s^2 (a) what does the scale read when the man is at the bottom of the wheel? (b)what does the scale read

asked by Ashley on October 11, 2010
57. ## physics opinion

A common pickup for an electric guitar consists of a coil of wire around a permanent magnet. The permanent magnet induces magnetism in the nearby guitar string. When the string is plucked, it oscillates above the coil, thereby changing the magnetic field

asked by Alice on May 16, 2012
58. ## Solubility of a Salt - Chemistry

a) How many grams of potassium nitrate (KNO_3) can be dissolved in 100 mL of water at 30°C, 60°C, and 70°C? b) How many grams of potassium nitrate should be added to 100 mL of water at 25°C to make a saturated solution? c) The solubility of potassium

asked by J.M. on October 10, 2006
59. ## English

Can you please check my sentences together with a few more points I need to include in my project work? 1) I really hope you had a good journey back home. All our teachers have been enthusiastic about your visit and your principal's words about the

asked by Henry2 on January 30, 2012
60. ## Art

1.With late 20th c. sculpture a new attitude developed around the use of 'ordinary' materials. Some said that this was merely "Dadaist revival." The work may involve moving parts (kinetic sculpture), or 'combines' of seeming unrelated objects, or popular

asked by kristina on April 5, 2013
61. ## abit of everythingURGENTDUETOMORROW

malevolent is to kind as miserly is to infant is to child as teenager is to flower is to biology as acid is to delineate is to outline as evaluate is to mildew is to plant as dugong is to ostler is to horse as______is to ____ sheep____ first public

asked by Sandy on August 10, 2005
62. ## Biology

One benefit of the Human Genome Project is that it __________. A>significantly reduces the amount of time it takes to identify genetic factors for disease B>provides a way to map all the cells of the body C>increases the amount of work required to identify

asked by Rylee on January 23, 2018

1. Rename 4/7 as a percent. Round to the nearest tenth of a percent if necessary. A. 47% B. 1.8% C. 57.1% D. 28% 2. Rename .709 as a percent. A. 709% B. 70.9% C. 79% D. 7.09% 3 is 1/3 is equivalent to 33 1/3% what percent is equivalent to 2/3? A 33 2/3%

asked by boi on November 10, 2017
64. ## History

Is appeasement necessarily, as it was applied to Nazi Germany in the 1930's, considered to be against the topics discussed in the quotations below? Explain The human person realizes dignity and rights in relationship with others, in community. "If one

asked by Anonymous on July 5, 2012
65. ## SAT Essay

Reposting. Most people underestimate their own abilities. They tend to remember their failures more vividly than their successes, and for this reason they have unrealistically low expectations about what they are capable of. Those individuals who

asked by Sahil on February 18, 2009
66. ## SAT Essay

Reposting. Most people underestimate their own abilities. They tend to remember their failures more vividly than their successes, and for this reason they have unrealistically low expectations about what they are capable of. Those individuals who

asked by Sahil on February 17, 2009
67. ## Physics

Two boxes on a horizontal surface, as shown in the figure above, are moving together under the influence of a horizontal force, F. The coefficient of kinetic friction between the boxes and the surface is 0.40. Use g = 10 m/s2. In case (a), a horizontal

asked by Jeanne on October 10, 2011
68. ## English

If it snows tomorrow, what will you do? 1. If it snows tomorrow, I will go out with my dog. 2. If it snows tomorrow, I will make a snow man at the back yard. 3. If it snows tomorrow, I will meet my girl friend. 4. If it snows tomorrow, I will do snow

asked by rfvv on April 23, 2014
69. ## chemistry

The equilibrium constant Kc for the reaction C D + E is 7.90 * 10^-5. The initial composition of the reaction mixture is [C]=[D]=[E]=1.10*10^-3. What is the equilibrium concentrations of C, D, and E? C=? D=? E=? chemistry - DrBob222, Monday, November 5,

asked by Brunette on November 5, 2012
70. ## maths

Let's denote the three numbers by a1, a2, and a3. Consider the third degree polynomial: p(x) = (1 + a1 x)(1 + a2 x)(1 + a3 x) Take the logarithm: Log[p(x)] = Log(1 + a1 x) + Log(1 + a2 x) + Log(1 + a3 x) Expand in powers of x by using that: Log(1 + x) = x

asked by Count Iblis on July 23, 2007
71. ## Physics

A centrifuge can be used to separate cells from a liquid. To increase the rate at which objects can be separated from solution, it is useful to make the centrifuge's speed as large as possible. If you want to design a centrifuge of diameter 1.4 m to have a

asked by Jody on June 14, 2013
72. ## windows xp

David, a graphic designer working for a small Internet firm, wants to use his own legacy scanner with a new Windows XP Professional system. A Standard PC HAL was installed during the machine build process. David’s computer is a member of the corporate

asked by monika on March 4, 2010
73. ## English 3

What did Smith give to the Native Americans? What did Smith note the President? Why did Ratcliffe replace the original president? To what work of history or literature are you referring? Since this is not my area of expertise, I searched Google under

asked by Wachovia on June 26, 2006
74. ## science

1. what weight in grams of magnesium oxide will produce from burning 96 grams of magnesium? 2. a solution containing 252g of calcium sulfate will produce from 165lbs of phosphate rocks containing 82.5 % pure calcium phosphate treated with sulfuric acid? 3.

asked by josh on August 28, 2011
75. ## Algebra 2

I have no idea how to even start this, can someone kinda "point me in the right direction" so to speak. -Compute the time(t) it will take for a tool to fall to the ground when a worker drops from the top of the building. -Function:h(t)=-16t^2th0 where t is

asked by Emma on November 16, 2015
76. ## math: and i really need help

3x(a-5)=6 What is the value of a ? 3x(a-5)=6 is x multiplication or variable multiplication Multiplication=* Division=/ 3x(a-5)=6 3*(a-5)=6 (3*a)+(3*5)=6 3a+15-15=6-15 3a=-9 3a/3=-9/3 a=-3 I hope this helps. I am not 100% sure this is right. Or it can be

77. ## math-statistics

A manufacturer claims that the life span of its tires is 50,000 miles. You work for a consumer protection agency and you are testing this manufacturer's tires. Assume the life spans of the tires are normally distributed. You select 100 tires at random and

asked by Karinna on January 29, 2008
78. ## Chemistry

A 500g iron (Fe) rod was left in air for a long period of time, and got covered with rust (Fe2O3) as a result of reaction with atmospheric oxygen. The mass of the rusty rod was determined as 560g. a) calculate the theoretical yield of Fe2O3(s), that is the

asked by Riley on March 18, 2012
79. ## Physics

Halley’s comet orbits the Sun with a period of 76.2 years. a) Find the semi-major axis of the orbit of Halley’s comet in astronomical units (1 AU is equal to the semi-major axis of the Earth’s orbit Physics - drwls, Thursday, May 5, 2011 at 8:51am

asked by Reese on May 5, 2011
80. ## Physics

Halley’s comet orbits the Sun with a period of 76.2 years. a) Find the semi-major axis of the orbit of Halley’s comet in astronomical units (1 AU is equal to the semi-major axis of the Earth’s orbit Physics - drwls, Thursday, May 5, 2011 at 8:51am

asked by Reese on May 5, 2011
81. ## Spanish

Hey can someone proofread my spanish work? it has to be mostly in present perfect so it may not sound right but that's how it's supposed to be. Thanks! SPANISH: Enrique ha llamado el teleoperator a pedir un número de teléfono. El está enojado porque el

asked by JYD on October 9, 2006
82. ## PHYSICS

Please help me, I don't understand how to solve this: When some stars use up their fuel, they undergo a catastrophic explosion called a supernova. This explosion blows much or all of a star's mass outward, in the form of a rapidly expanding spherical

asked by Anonymous on May 4, 2015

I posted this earler and you gave me help, could you please check what I did? Thank you If a car drives off a 40 m high cliff with a horizontal velocity of 15 m/s, how far from the base of the cliff will the car strike the ground? Could someone help with

asked by JessieLynne on January 2, 2011
84. ## Trig/Precalc

So I have two questions that have been puzzling me for quite some time and would really appreciate any help with either of them! (a) There are four positive intergers a, b, c, and d such that 4cos(x)cos(2x)cos(4x)=cos(ax)+cos(bx)+cos(cx)+cos(dx) for all

asked by majorbill on January 4, 2015
85. ## Maths

A port has two radar stations at P and Q which are 20 km apart.The radar at P is set to a range of 20 km,whilst the radar at Q is set to a range of 15 km. a)draw a scale diagram to show the above information b)Shade the region in which a ship must be

asked by Prisha on March 12, 2016
86. ## Maths-Geometry(Loci)

A port has two radar stations at P and Q which are 20 km apart.The radar at P is set to a range of 20 km,whilst the radar at Q is set to a range of 15 km. a)draw a scale diagram to show the above information b)Shade the region in which a ship must be

asked by Ragi on March 11, 2016
87. ## CHEMISTRY

pH= 7.44 What is the ratio of [H2PO4^-]/[HPO4^2-] What does the pH become if 25% of the hydrogen phosphate ions are converted to the dihydrogen phosphate ion? What does the pH become if 15% of the dihydrogen phosphate ions are converted to hydrogen

asked by Delli on May 10, 2007
88. ## Voiting and apportionment

Suppose the modified quota is 5.87. Whate is the lower quota? what is the upper quota? Find the arithmetic mean of lower and upper quotas. Find the geometric mean of upper and lower quotas.Round the given modified quota by comparing it with arithmetic mean

asked by Sue Jackson on September 16, 2012
89. ## chemistry

"Newton's law tells us that Force= Mass x Acceleration. We also know that Energy = Force x Distance and Pressure= Force/Area. Using these relationships and table I-1 [I'll type it out], derive (do math stuff) the dimensions of newtons, joules, and pascals

asked by Jenn on September 13, 2006
90. ## Literature

'Explain how people can find miracles in everyday life. Support your ideas with examples from the poems 'in Just' and 'Daily'. This is what I got- is it OK? The greatest miracle above all is life itself, and the many wonderful things we find in it. Even

asked by mysterychicken on December 2, 2009
91. ## spanish

It will be very helpful is someone can show me how this would be pronounced: Marianela Pablo? Si, Marianela. Por que tan triste, mi amor? Es que...Bueno, es que yo siempre salgo a almorzar a las doce. Tu sales un poco mas tarde, no? Por que me haces esa

asked by y912f on June 6, 2009
92. ## Social Studies

Im working on a review booklet for Social Studies and theres a couple questions Im having problems with, my test is tomorrow so I don't have time to ask my teacher , hope you can help ! :) First Question: "The scramble for Africa" began in the late 1800s

asked by Brooke on November 14, 2011
93. ## physics

In a running event, a sprinter does 4.9 105 J of work and her internal energy decreases by 9.1 105 J. (a) Determine the heat transferred between her body and surroundings during this event. J (b) What does the sign of your answer to part (a) indicate?

asked by Annette on April 29, 2013
94. ## physics

1)If I am to plot a graph of Force in Newtons vs. Stretch in meters, would the x axis be force or the stretch? 2) The data table has 3 columns: force in Newtons, position in m and displacement in m. Which one is used to plot the Stretch in meters? the

asked by Sushmitha on March 16, 2011
95. ## Social Studies

The German and British governments invest heavily in human capital. How does this lead to a higher standard of living? Order the sequence to answer the question. higher standard of living productive workers leads to investment in human capital leads to

asked by dori on February 24, 2019
96. ## Physics

At the beginning of a roller coaster ride, the car is lifted to the top of a large hill and released. The speed of the car at the top of the hill is small, so we will assume it to be zero. The car rolls freely down this hill and reaches its maximum speed

asked by Angie Need Help ASAP on December 3, 2013
97. ## Algebra 2

The formula A = 180(n-2)/n relates to the measure A of an interior angle of a regular polygon to the number of sides n. If an interior angle measures 120 degrees, find the number of sides A)5 B)6 C)8 D)10 I have NO clue on how to do this pls help. Make A

asked by erin on July 15, 2007

1. A limited liability company is the best form of business for owners who? A. are concerned about keeping their costs of production at a minimum level. B. want an outside company to handle all the business's finances. C. expect to eventually grow their

asked by Kirston on May 22, 2014
99. ## Stats

The data below were gathered on a random sample of 5 basking sharks, swimming through the water and filter-feeding, i.e. letting the water bring food into their mouths. Body Length (meters) Mean Speed (meters/seconds) 4 0.89 4.5 0.83 4 0.76 6.5 0.94 5.5

asked by leah on September 30, 2016
100. ## physics problem-gun (projectile problem)

A gun shoots bullets that leave the muzzle at 250 m/s. If a bullet is tohit a target 160.8 m away at the level of the muzzle, the gun must be aimedat a point above the target. (Neglect air resistance.) How far above the target is this point if the angle

asked by Marcus Jasp on July 15, 2005