# 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 822
1. ## Somebody check this plz..and thanks.

Please check and tell me what I got wrong and let me know the correct answer for the problem. Thanks. 1. Diarrhea can be caused by a change in diet and different minerals in the water. True (yes) False 2. Fusion produces less radioactivity than fission.

asked by Morgan Stevenson on January 9, 2013
2. ## Please CHECK thanks

Please check and tell me what I got wrong and let me know the correct answer for the problem. Thanks. 1. Diarrhea can be caused by a change in diet and different minerals in the water. True (yes) False 2. Fusion produces less radioactivity than fission.

asked by Morgan Stevenson on January 9, 2013
3. ## English

In Langston Hughes poem "Theme for English B," in the lines 16-26 it says: It's not easy to know what is true for you or me at twenty-two, my age. But I guess I'm what I feel and see and hear, Harlem, I hear you: hear you, hear me--we two--you, me, talk on

asked by Troy on March 17, 2010
4. ## Physics - ice to liquid

Fifty grams of hot water at 80oC is poured into a cavity in a very large block of ice at 0oC. The final temperature of the water in the cavity is then 0oC. Show that the mass of ice that melts is 50 g. To melt ice to 50g of water, I think that it will

asked by Ceres on September 24, 2009
5. ## Math

The table shows how many hours Catalina spent babysitting during the months of April and May. a. If Catalina charges \$6.50 per hour, what is the percent of change in the amount of money earned from April to May? Is it a change of increase of decrease? b.

asked by Helen on December 5, 2015
6. ## DrBob222

These are the other equations I've balanced. I need help with one. AgNO3 + K2Cr2O7 --> double replacement AgNO3 + K2Cr2O7 --> AgCr2O7 + K2NO3 Please tell me if I've balanced these right. Br2 + NiI3 --> single replacement, element is a non-metal Br2 + NiI3

asked by Derrick on July 15, 2010
7. ## maths, variations

i'm not sure how this question works the number of hours (h) taken to paint a picture is inversely proportional to th number of pupils (p) painting it. it takes 4 pupils 3 hours to finish painting it assuming all pupils work at the same rate. a) find an

asked by hayley on December 18, 2007
8. ## English

Please kindly help me to correct my english grammar. Dear sir, Good day, I just want to confirm from you if it is true the rampant rumors regarding the company.I just heard from this rumors mostly from company staff that it is already being purchased by

asked by jerry on August 5, 2018
9. ## math

solution of if 2/7 of the 2905 student and if 30 % of the student play musical instruments, how many student play musical instruments?

asked by Juan on July 6, 2016
10. ## chem biochem bio

You have the following stock solutions and solid chemicals in your lab: 1.5M NaCL 0.2M Tris buffer, pH 8.0 10 mg/ml Bovine serum albumin (BSA) MgCl2 (solid, anhydrous) MW = 95.211 g/mole (95% pure) How would you make 250 ml of the following solution???

asked by mel on March 10, 2013
11. ## math

32 men can do a piece of work in 18 days. In how many days will 72 men do it? For 30 buffaloes, the fodder in a certain stock is sufficient for 8 days. For how many buffaloes the fodder is sufficient for 12 days? Pls help me

asked by jyoti on November 25, 2015
12. ## math

32 men can do a piece of work in 18 days. In how many days will 72 men do it? For 30 buffaloes, the fodder in a certain stock is sufficient for 8 days. For how many buffaloes the fodder is sufficient for 12 days? Pls help me

asked by jyoti on November 25, 2015
13. ## Chemistry

Use the data in this table to calculate the solubility of each sparingly soluble substance in its respective solution. (a) silver bromide in 0.066 M NaBr(aq) mol · L-1 I know how to do this one, found it to be 1.167E-11 which is correct. (b) nickel(II)

asked by Val on March 19, 2010
14. ## Chemistry

2C2H2 + 5O2 -> 4CO2 + 2H2O + energy What does the equation communicate about the relative energy of the chemical bonds in the reactants and products? The intermolecular bonds of the reactants are weaker than that of the products' because the products'

asked by A Canadian on February 10, 2013
15. ## math

I need to know if I did this right. Below is story problem. It has questions labeled a-f. Under each lettered question, I provided an answer, but I am not confident with my outcome. Can you read it over and tell me if I did it right? If not can you steer

asked by Heather C on November 19, 2009
16. ## World History

City-States Essay Assignment In what ways were the Indus Valley people an advanced civilization? In what ways did their civilization compare to an advanced modern civilization today? The Indus people were always a step ahead in a lot of their achievements.

asked by _Unknown on October 23, 2013
17. ## Math

The difference between the smallest and second smallest angles of a quadrilateral is equal to the difference between the biggest and second biggest angles. If the biggest angle is twice the smallest angle, what is the measure of the smallest angle?

asked by MNHS_HELP on January 26, 2015
18. ## economics

The Australian dollar is currently very high, with a value of US\$0.80. Many people expect the Australian dollar to rise even higher by the end of the year, to as much as US\$0.90. Use a ¡°FOREX¡± (foreign exchange market) diagram to show the impact of

asked by Gary.L on June 7, 2007
19. ## My Grades (this is different)

What is my grades for the first quarter? I didn't get my report card because my parents didn't go to the parents teacher conference so yeah but today my guides counselor show it to me (my grades for the first quarter) they didn't calculated my average.

asked by Laruen on November 19, 2011
20. ## Fourth grade math

(1) Courtney has 36 photos to arrange on a gallery walk. Part A How many arrays can Courtney make with the 36 photos? List all the possible arrays. Part B How many factors are there for 36? Write them. What do you notice about the number of factors of 36

asked by E on January 20, 2016
21. ## physics

A rocket engine uses fuel and oxidizer in a reaction that produces gas particles having a velocity of 1380 ms-1. The desired thrust is to be 195000 N. 1-What must be the fuel/oxidizer consumption rate (in kg s-1)? 2-f the initial weight of the rocket is

asked by anonymus on January 9, 2018
22. ## chemistry

Combustion analysis of 1.00g of the male sex hormone, testosterone, yields 2.90 g of CO2 and .875 g H2O. What are the mass percents of carbon, hydrogen, and oxygen in testosterone? How do I solve this? How many grams of C is in 2.90g of CO2? That is the

asked by Chris on October 16, 2006
23. ## graphing question

Write the equation of the line with slope 4 and y-intercept (0, –5). Then graph the line i wrote the equation which i think is y=4x-5 i point the y intercept (0,-5) in the graph how do i find the other point would the 4x become 4/1 x y=4/1x-5 then move

asked by linda on April 13, 2007
24. ## physics

A 34 g glass thermometer reads 21.6°C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7°C. What was the original temperature of the water? I need help on this please could someone

asked by Akbar on April 24, 2012
25. ## physics

A 34 g glass thermometer reads 21.6°C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7°C. What was the original temperature of the water? I need help on this please could someone

asked by Akbar on April 25, 2012
26. ## Chemistry

For the following stoichiometry problem, select ALL of the mole definitions you would need to solve the problem. Problem: Given the following equation: 2NaClO3 --> 2NaCl + 3O2 How many grams of sodium chloride, NaCl, are produced when 80.0 liters of oxygen

asked by Morgan on May 24, 2019
27. ## Physics

A Carnot engine of efficiency 41% operates with a cold reservoir at 24 °C and exhausts 1290 J of heat each cycle. What is the entropy change for the hot reservoir? Answer in J/K. I keep getting the answer incorrect. Here is the work: Efficiency = 100*(Th-

asked by Kayla on November 28, 2016
28. ## uni physics

A balloon of radius 30.0 cm is sprayed with a metallic coating so that the surface is conducting. A charge of 8.85×10−8 C is placed on the surface. What is the potential on the balloon's surface? 2.65×10^3 V Suppose that the some air is let out of the

asked by Aman on September 25, 2013
29. ## sra mcguin

In english Hi Boys, This had been a very long trip. First I flew to New York and then waited 6 hours for the next plane. We finally made it to London. It is incredible here. The weather is great and the people are very nice. I saw Aunt Susan and Uncle

asked by sam on February 10, 2008
30. ## Management & Economics

a producer of light bulbs claims to have the folllowing production function: Q=10L*G. a) what is the marginal product of labor? or glass? b)Draw the relavant isoquant map and isocost line if the cost of labor is \$4 per work-hour and the cost of glass is \$4

asked by Lisel on September 17, 2011
31. ## Statistics

For the gene pair that determines eye color, each gene trait may be one of two types: dominant brown (B) or recessive blue (b). A person possessing the gene pair BB or Bb has brown eyes, whereas the pair bb produces blue eyes. a) Suppose both parents of an

asked by Kate on May 25, 2009
32. ## critique my reflection paper

first of all, im an ESL English student so bear with my mistakes I have been an English 101 student for about 3 weeks now, and over the course of my stay I have learned a lot more that I thought possible. I learned to write, to express myself, how to think

asked by healpmerealquick on July 12, 2011
33. ## math

Every night when Samantha came home from work she put any change she had in her pockets into a jar. One day she wanted to know how much change she had in her jar. She noticed that she had two more nickels than twice the number of dimes, and eight fewer

asked by samantha on January 19, 2015
34. ## Math

Good evening everyone. I am very confused on how to work on the below problem. Ingrid walked her dog and washed her car. The time she spent walking her dog was 1/4 the time it took to wash her car. It took Ingrid 14 minutes to walk the dog. How long did it

asked by Donald on January 23, 2017
35. ## english question

Hello for this sentence: His brother's friend is an aid victim to change it, would I put His brother's friend is a person with aids. we have to change it for people with diseases or disabilities. Thanks You wrote: would I put His brother's friend is a

asked by clark on June 28, 2006
36. ## Algebra-based Physics

A large fish hangs from a spring balance supported from the roof of an elevator. If the elevator has an upward acceleration of 2.65 m/s^2 and the balance reads 70.0 N, what is the true weight of the fish? Under what circumstances will the balance read 34.0

asked by Mike on September 30, 2006
37. ## chemistry

The urine excreted by an adult patient over 24 hours was collected and diluted to give 2.000L sample. at ph 10 EDTA FORMS 1:1 COMPLEX WITH BOTH Mg2+ and Ca2+ and after buffering at this pH a 10mL aliquot of the sample required 26.81mL of 0.003474M EDTA for

asked by TOM on March 12, 2012
38. ## Logical reasoning

On her way to work today, Wendy paid one dollar more to fill her car's gas tank than she paid one week ago to fill the same tank. A) Wendy's car is leaking gasoline. B) The price of gasoline has gone down. C) Wendy needs her car for transportation. D)

asked by Jenna on August 6, 2015
39. ## Chemistry

A 0.3423 g sample of pentane, C5H12, was burned in a bomb calorimeter. The temperature of the calorimeter and the 1.000 kg of water contained therein rose from 20.22°C to 22.82°C. The heat capacity of the calorimeter is 2.21 kJ/°C. The heat capacity of

asked by Cassandra on March 31, 2015
40. ## chemistry

N2(g) + 3 F2(g) → 2 NF3(g) ΔH° = –264 kJ/mol ΔS° = –278 J/(mol∙K) a. calculate the maximum amount of non-PΔV work that can be accomplished through this reaction at a temperature of 500°C. b. Determine the temperature at which the equilibrium

asked by chamy on April 22, 2012
41. ## English

1. The program is biased because it covers only rich people. 2. The gradening program is useful because we can learn how to take care of trees in a garden. 3. The cooking program is informative because we can know many cookeries. 4. The animation program

asked by John on April 8, 2009
42. ## Maths Percentage (6th Grade)

David has \$5 in his wallet. This was 10% of the amount that he received from his mother. Find the total amount of money that David received from his mother. 35% of the number of books Ibrahim owns are fiction boos, find: a.) the total number of books he

asked by Sam on October 11, 2012
43. ## Geometry

Use the given plan to write a two-column proof of the Symmetric Property of Congruence. Given: segment AB ≅ segment EF Prove: segment EF ≅ segment AB Plan: Use the definition of congruent segments to write segment AB ≅ segment EF as a statement of

asked by S on September 17, 2013
44. ## physics

Hi, can you help me with this one? A family ice show is held in an enclosed arena. The skaters perform to music playing at a level of 75.0 dB. This intensity level is too loud for your baby, who yells at 65.5 dB. (a) What total sound intensity engulfs you?

asked by sanchi on August 6, 2007
45. ## algebra

A. The speed of train A is 6mph slower than the speed of train B. Train A travels 220 miles in the same time it takes for train B to travel 250 miles find the speed of each train solve and check: q+9/3 + 9-4/4 = 13/3 simplify by removing factors of 1 :

asked by Anonymous on November 21, 2010
46. ## math

Boris gets an 8% commission on every car he sells.Last week, he made a commission of \$1,240.What was the price of the car he sold? Do a proportion: 8% is 8 over 100 or: 8/100 and you know his commision is commision over the price. his commision is 1240,

asked by cristina on February 25, 2007
47. ## Physics

A machine carries a 4.5 kg package from an initial position of di = (0.50 m) + (0.75 m) + (0.20 m) at t = 0 to a final position of df = (7.60 m) + (12.0 m) + (7.30 m) at t = 11 s. The constant force applied by the machine on the package is F = (2.00 N) +

asked by Ben on July 22, 2010
48. ## ap chemistry

What is the value of w (work) when 1.3 moles of H2 expands from 25 liters to 50 liters against a constant external pressure of 1 atm, then expands further from 50 to 100 liters against a constant external pressure of 0.1 atm? Answer in calories. Answer in

asked by cheri on October 31, 2012
49. ## math

JUstin and Hannah Both get jobs at McBurgers. Justin started on Sunday and gets every 9th day off. Hannah started the very next day and gets every 6 th day off. Justin would like to ask Hannah out on a date when they both have the day off from work. How

asked by Anonymous on May 26, 2011
50. ## Physics

A machine carries a 3.0 kg package from an initial position of di = (0.50 m) + (0.75 m) + (0.20 m) at t = 0 to a final position of df = (7.30 m) + (11.0 m) + (7.20 m) at t = 14 s. The constant force applied by the machine on the package is F = (2.00 N) +

asked by Gina on July 22, 2010
51. ## AP Chemistry

What is the value of w (work) when 2.6 moles of H2 expands from 25 liters to 50 liters against a constant external pressure of 1 atm, then expands further from 50 to 100 liters against a constant external pressure of 0.1 atm? Answer in calories. Answer in

asked by Nick on October 5, 2010
52. ## Physics

A child's game consists of a block that attaches to a table with a suction cup, a spring connected to that block, a ball, and a launching ramp. By compressing the spring, the child can launch the ball up the ramp. The spring has a spring constant k, the

asked by rachel on November 7, 2008
53. ## Econ-expected utility & insurance

John is a professional football player and next year will be able to sign a \$25 million contract if he does not get injured this year. If he gets injured this year, his value will be significantly reduced and he will only be able to sign a contract for \$5

asked by Victor on October 30, 2009
54. ## Physics

Two main strategies are employed to deflect an asteroid: destruction or slowing it down by at least 425 s so that the earth can move out of the impact zone. Assume perfect inelastic collision. (a) If we know the speed of the asteroid (va), mass (ma), and

asked by Milan on October 22, 2013
55. ## Chemistry

Which reaction below will occur when Cd (s) and Zn (s) are added to a solution that contains both Cd2+ and Zn2+ ions? Cd (s) + Zn2+ (aq) → Cd2+ (aq) + Zn (s) Zn (s) + Cd2+ (aq) → Zn2+ (aq) + Cd (s) Both of the above reactions occur. Neither of the

asked by Anonymous on October 27, 2013
56. ## To Writeacher

Task : Have to create a flow chart which shows the connections between the characters, events, and major ideas of Part One in reaction to Katniss the main character. I am not doing a flow chart on the whole book, it's just Part one I'm doing it on.

asked by Sara on September 27, 2010
57. ## Algebra

The cost of producing cell phones is represented as C=mx+b, where m is the marginal cost, x is the number of phones produced, b is the fixed cost, and C is the final cost. a. If the fixed cost is \$75 and the marginal cost is \$8, write the cost equation. b.

asked by KevinJ on February 12, 2014
58. ## Algebra

The cost of producing cell phones is represented as C=mx+b, where m is the marginal cost, x is the number of phones produced, b is the fixed cost, and C is the final cost. a. If the fixed cost is \$75 and the marginal cost is \$8, write the cost equation. b.

asked by Willy on February 10, 2014
59. ## Algebra

The cost of producing cell phones is represented as C=mx+b, where m is the marginal cost, x is the number of phones produced, b is the fixed cost, and C is the final cost. a. If the fixed cost is \$75 and the marginal cost is \$8, write the cost equation. b.

asked by Steveo on February 11, 2014
60. ## Algebra

The cost of producing cell phones is represented as C=mx+b, where m is the marginal cost, x is the number of phones produced, b is the fixed cost, and C is the final cost. a. If the fixed cost is \$75 and the marginal cost is \$8, write the cost equation. b.

asked by KevinJ on February 17, 2014
61. ## 6TH GRADE MATH

Mrs. Bryant saves \$1,500 for a family vacation. She budgets \$235 of her saving for transportation. Which of following represents the equation and solution to determine X, the amount of money Mrs. BRYANT can budget for the rest of the vacation? A.

asked by Nichelle on January 20, 2015
62. ## Calculus

Find the area of the region bounded by the curves y = x^2 - 1 and y = cos(x). I've tried doing this and I got -1.54 which doesn't make sense because area should always be positive right? And I put it in an online calculator to check and it gave me 3.11. I

asked by Kait on March 8, 2018
63. ## maths

A library opens with a collection of 300 books. During the first week after the opening, an additional ten books are donated to the library’s collection. In each subsequent week, six more books are donated to the library’s collection than were donated

asked by Emma on April 21, 2016
64. ## Organic Chemistry

One synthetic preparation of aniline involves reducing nitrobenzene with iron and HCL, and then steam distilling the resultant aniline at 99C. How much aniline codistills with each gram of water during steam distillation? I do not know how to get the

asked by Adria on November 22, 2010
65. ## Chemistry

Calculate the expected freezing point of a solution of 0.579 g pelargonic acid in 4.225 g of lauric acid, if the melting point of pure lauric acid was measured to be 43.20*C. (MM pelargonic acid = 158.2 g/mol; MM laruic acid = 200.32 g/mol). Kf for lauric

asked by Amanda on February 11, 2017
66. ## Physics

A block of wood is compressed 2.0 nm when inward forces of magnitude 120N are applied to it on two opposite sides. (a) Assuming Hooke's law holds, what is the effective spring constant of the block? (b) Assuming Hooke's las still holds, how much is the

asked by Work needed! on March 26, 2011
67. ## language

Juan has an essay due in English on Wednesday and a page of math homework due on Friday. How should Juan approach this work? A. Get the math out of the way so he can focus on the essay. B. Split his study time between the courses from now until Wednesday.

asked by Anonymous on February 2, 2016
68. ## intro to management accounting

The Minnetonka Corporation, which produces and sells to wholesalers a highly successful line of water skis, has decided to diversify to stabilize sales throughout the year. The company is considering the production of cross-country skis. After considerable

asked by Lia on September 11, 2009
69. ## statistics

Surgery vs. placebo for the knee pain: Refer to Example 10. Is Arthroscopic Surgery Better than Placebo? Here we show MINITAB output comparing mean knee pain scores for the placebo (group 1) to debridement arthroscopic surgery (group 2). a) State and

asked by david on July 28, 2012
70. ## 5th grade math

sue and dave shared 1/3 pound of cherries equally. What fractional part of a pound did each get? Molly wrote the following equation to solve the problem: (2 divided by 1/3) 2/1/3=n. Do you agree with Molly's equation? support your answer with information

asked by sara on February 25, 2014
71. ## Math

How do I solve this problem? There are 8 sections of seats in an auditorium. Each section contains at least 150 seats but not more than 200 seats. Which of the followin could be the number of seats in this auditorium? What are your choices? Multiply 150 x

asked by Mack on May 20, 2007
72. ## Calculus

Find the values of x that give relative extrema for the function f(x)=3x^5-5x^3 A. Relative maximum: x= 1; Relative minimum: x=sqrt(5/3) B. Relative maximum: x=-1; Relative minimum: x=1 C. Relative maxima: x=+or- 1; Relative minimum: x=0 D. Relative

asked by Anonymous on January 11, 2015
73. ## Physics

As mentioned, after the hovering period at 100 m , the vehicle made a vertical powered descent to h = 30 m, ending with a downward (!) velocity of 2 m/s at this altitude. Assume that the engine provided a constant (!) thrust-to-weight ratio during this

asked by Wouter on January 28, 2015
74. ## Liberal Arts Math

how would i solve this problem?? it says factor the polynomial completely: 2xy-3y-40x+60 I studied polynomials, but I don't know what it means to factor them. Do you have a definition in your textbook or notes or something? B-cuz then I'll be able to help

asked by Maria on May 10, 2007
75. ## Physics

A orbiting satellite stays over a certain spot on the equator of (rotating) Earth. What is the altitude of the orbit (called a "synchronous orbit")? Write the equation for the period of a satellite in terms of the distance from the Earth's center. It is a

asked by winterWX on February 16, 2007
76. ## calculus

Consider the function f(x) = 1/x on the interval [ 4 , 11 ]. (A) Find the average or mean slope of the function on this interval. Average Slope = (B) By the Mean Value Theorem, we know there exists a c in the open interval ( 4 , 11 ) such that f'( c) is

asked by sze on January 26, 2018
77. ## Physics

A dart is loaded into a spring-loaded toy dart gun by pushing the spring in by a  distance d. For the next loading?the spring is compressed a distance d/3. How much  work is required to load the second dart compared to that required to load the first?

asked by Giovanni on December 13, 2016
78. ## Physics

A dart is loaded into a spring-loaded toy dart gun by pushing the spring in by a  distance d. For the next loading?the spring is compressed a distance d/3. How much  work is required to load the second dart compared to that required to load the first?

asked by Gio on December 13, 2016
79. ## Psychology (Ms. Sue)

Ms. Sue would you please check my answers? 1. To begin to regulate their emotions, children must first start to learn impulse control? True 2. Young children typically have low self esteem since they compare their abilities with their peers? False 3. Guilt

asked by Lisa on September 27, 2013
80. ## math

square root of 2+(square root of 1+k)equals the square root of 5. Solve for k

asked by frank on February 5, 2014
81. ## calculus

Solve the equation (the square root of x+2)+ (the square root of x-2)=(the square root of 4x-2)

asked by Louise on May 14, 2010
82. ## chemistry

a 111.4mg ore sample containing iro with acid , filtered and diluted to 200.0ml in volumetric flask. a 1000ml aliquot is transferred to a 100.ooml volumetric flask containing hrdroxylamine hydrochloride, sodium acetate and 1,10- phenanthroline and diluted

asked by grey on November 5, 2014
83. ## physics

One end of a copper rod is immersed in boiling water at 100 degrees celsius and the other end in an ice-water mixture at 0 degrees celsius. The sides of the rod are insulated. After steady-state conditions have been achieved in the rod, 0.180 kg of ice

asked by Amanda on December 7, 2009
84. ## Social studies

I am learning about scarcity in my SS 6th grade and I am unsure about this question. Which sentence best tells the effect of scarcity on economics? A. Scarcity shapes decisions about how to distribute goods B. because resources are scarce consumers buy

asked by Larry on October 23, 2012
85. ## banking and money

Steps 1. Complete the assigned readings for this unit. 2. Read the article found at the website provided in Materials below. 3. Post a 100- to 150-word answer for each of the following questions: Credit cards and travelers' checks are widely accepted as a

asked by vicky on March 11, 2008
86. ## english

Could someone check my answers please?From "When Grees Meets Greek" 1) What can you conclude from the wording of the following text? "One morning Ramkilawansingh(after this, we calling this man Ram) was making a study of the noticeboards along Westbourne

asked by jason on January 9, 2012
87. ## Physics

At t=1.0s, a 0.60kg object is falling with a speed of 6.0 m/s. At t=2.0s, it has a kinetic energy of 25 J. a) What is the kinetic energy of the object at t=1.0s? b)What is the speed of the object at t=2.0s? c) How much work was done on the object between

asked by Lhaedy on October 17, 2013
88. ## math

Marissa worked 7 1/4 hours on Monday. She worked 9 3/4 hours on tuesday, how many hours did she work in all on monday and tuesday, is the answer 15 1/4 hours

asked by anoymous on December 2, 2014
89. ## Chemistry

I need help determining a concentration. A voltaic cell has a Hg/Hg2^2+ electrode and a Sn/Sn^2+ electrode (Enaught cell = -0.14V), Ecell = 1.04V at 298K. If [Hg2^2+]=0.24M calculate[Sn2+]. I used this formula, Ecell=Enaught Cell - (0.0592/n)logQ. my Q

asked by amy on April 20, 2007
90. ## composition(paraphrase this paragraph)

self-service procurement. self service business intelligence. self-service recovery. user provisioning in private clouds. it's a wondrous world for end users today as IT departments roll out tools that hand them the reins to the data and services they

asked by maria on May 11, 2012
91. ## Physics

Hello, I don't understand how to do part "d" of the question. Can someone please explain it to me step by step? Do I use the 2nd equation to solve it? Using one of the following formulas: 1. Vy = g * t + Voy 2. y = 1/2 * g * t^2 + Voy * t 3. Vy^2 = Vo^2 *

asked by Lilian on August 27, 2014
92. ## College Algebra (Word Problem)

A rectangular eld is to be fenced o along the bank of a river; no fence is required along the bank of the river. The material for the fence costs 8 dollars per running foot for the two ends and 16 dollars per running foot for the side parallel to the

asked by Mathew on October 19, 2014
93. ## Math

Suppose a small cannonball weighing 16 pounds is shot vertically upward with an initial velocity Vo = 300 ft/s . a) Construct the mathematical model. b) Suppose air resistance is ignored, determine the velocity of the cannonball at any time t. c) Using the

asked by Jawad Haider on March 2, 2018
94. ## Statistics

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 1264 chips and a standard deviation of 116 chips. (a) Determine the 28th percentile for the number of chocolate chips in a bag. (b)

asked by Amanda on June 30, 2015
95. ## Math

I need some help with the set up please. Joella has a bag of marbles. The bag contains 10 red marbles, 5 green marbles, and 3 blue marbles. She will randomly select 2 marbles from the bag one at a time without replacement. What is the probability that

asked by Dallas on March 4, 2018
96. ## Math

Amy has \$1,000 in a savings account at the beginning of the fall. She wants to have at least \$500 in the account by the end of the fall. She withdraws \$100 a week for living expenses. Write an inequality for the number of weeks Amy can withdraw money, and

asked by Lexi on October 25, 2017
97. ## Macroeconomics

I do not understand how to solve missing values for a prisoner's dilemma matrix. Im not sure what you mean by "missing values". Is it the case you given a matrix of possible outcomes, where some of the cells are missing and that you are told that a

asked by Patty on May 3, 2007
98. ## Language arts

What is the error in the following paragraph? Advertisers use many tricks to get people to buy their products. Some people will buy anything that is on television. One such trick is called the bandwagon technique. It could also be called the "Everybody

asked by First Name on May 1, 2018
99. ## Math

Beginning at age 35, Ms. Trinh invests \$4000 each year into an IRA account until she retires. When she retires she plans to withdraw equal amounts each year that will deplete the account when she is 80. Find the annual amounts she will receive for each of

asked by Lena on March 13, 2015
100. ## Calculus

Consider the differential equation dy/dx = 2x - y. Let y = f(x) be the particular solution to the differential equation with the initial condition f(2) = 3. Does f have a relative min, relative max, or neither at x = 2? Since we're trying to find a max/min

asked by Anonymous on May 6, 2017