# 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 763
1. ## Algebra

Amir has \$100 and is saving \$5 per week to buy a new DVD player. Pete has \$80 and ius saving \$7 per week to buy the same DVD player. Which system of equations can be used to find w, the number of weeks it would take them to have m, the money needed to buy

asked by Toby on March 30, 2007
2. ## math:^]

A lawn mower is pushed a distance of 100 ft. along a horizontal path by a constant force of 60 lbs. The handle of the lawn mower is held at a downward angle of 45 degrees toward the horizontal. Explain what each value listed in this situation represents in

asked by mynameisundefined on May 25, 2018
3. ## physics

A light spring with force constant 3.00 N/m is compressed by 6.00 cm as it is held between a 0.350 kg block on the left and a 0.700 kg block on the right, both resting on a horizontal surface. The spring exerts a force on each block, tending to push them

asked by natalie on November 9, 2010
4. ## comp. sci. -MB

I cannot find the correct answer in my text book it's unclear. I know it seems like a simple question, but I want to make sure I get it right. In Database Design: The date format is a. DD-MMM-YYYY b. DD/MM/YYYY c. MM/DD/YYYY d. All of the above Thanks for

asked by manny on August 16, 2007
5. ## History

Which show how electronic communications are shaping government into a more open form? (Select all that apply.) A. Cable companies are connecting up inaccessible rural areas to provide C-SPAN programming to all US households. B. Video coverage of

asked by Sergio on February 16, 2019
6. ## Reading

1.)select two details from passage 1 that show why gawaine chooses to pursue the graal Then uprose Sir Gawaine, who was a faithful knight and true man to his king, though a proud one and a hasty. He was filled with sorrow for the ruin that threatened his

asked by YRN DJ on December 22, 2015
7. ## Calculus

Light is absorbed when it passes through a glass window. If r% of light is absorbed by a glass with thickness w , then the percent of light that is absorbed by a piece of glass with a thickness nw of for any natural number n is modeled by the following

asked by Deeno on April 16, 2013
8. ## chemistry AP

methyl red has the following color changes red 4.2 -8.3 yellow a)write the ionic equilibrium equation b) If a small quantity of methyl red is placed in a solution with a pH of 4.5 . calculate the approximate value of [In]/[HIn]. What colour would be

asked by maya on March 27, 2010
9. ## Chemistry

25ml of sulfuric acid from a car battery was accurately diluted to 500ml. 25ml of the diluted solution was titrated with 0.206 mol/L sodium hydroxide. It required 38.8 ml. Calculate the Molarity of the original battery acid and it's concentration in grams

asked by Jo on March 11, 2018
10. ## Simple Harmonic Motion

A mass 1.2 kg of is attached to a spring and placed on a friction-less air track. Initially the mass is resting in equilibrium. A 10-gram bullet is fired into the mass to initiate oscillatory motion. The bullet hits the mass from the left side at a speed

asked by Jay on September 28, 2015
11. ## English

I am working on the flow chart for my English Assignment and I require some help. 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

asked by Sara on September 27, 2010
12. ## Finance

You hold a diversified portfolio consisting of a \$10,000 investment in each of 15 different common stocks (i.e., your total investment is \$150,000). The portfolio beta is equal to 1.1 . You have decided to sell one of your stocks which has a beta equal to

asked by Lisa on June 4, 2013
13. ## English

What is the effect of the epic simile in lines 118-131 of the excerpt from the Odyssey, Part II? Sometimes in farmyards when the cows return well-fed from the pasture to the barn, one sees the pens give way before the calves in tumult, breaking through to

asked by Kaai97 on February 12, 2016
14. ## math

Renee must solve the equation 4x+12=6x. If she subtracts 4x from the left side of the equation, what should renee write on the right side of the equation?

asked by natalie on May 4, 2011
15. ## Math, Pre-Calc

the original problem was: Solve: sin(3x)-sin(x)=cos(2x) so far i've gooten to: sin(x)(2sin(x)cos(x)-1)=cos^2(x)-sin^2(x) Where would I go from here?

asked by Katie on April 23, 2009
16. ## trig

solve for the equation x sin x= -.35 180

asked by bkue on May 15, 2012
17. ## Math

The ratio of blue to red cars in the parking lot is 3 to 5. If there were 60 red cars how many blue cars would there be? A.50 B.40 C.38 D.36 How do you solve it

asked by Jerald on November 26, 2012
18. ## Calculus L'Hopital Rule

lim x->0 (x)sin(x)/1-cos(x). They both go to 0 so 0/0. now take L'H and product rule of top? lim x->0 (1)sin(x)+ cos(x)(x)/1-cos(x) what next? how do i solve from here?

asked by Greg on October 18, 2012
19. ## aiu

Read the following scenario about Mary. Based upon the information in the text and your own online research, discuss Maryâ€™s ethical options. What do you think that she should do? Mary recently graduated from college and landed her first corporate

asked by margy on May 11, 2011
20. ## Math

Can someone please make up data and show me how these questions are done? In the original problem, the data includes; the base fare price, price by mile and price by minutes. a)Use the data shown above and express in words the amount the cab company

asked by Sage on December 14, 2015
21. ## Physics

juana slides a crate along the floor of the moving van the coefficient of kinetic friction between the crate and van floor is 0.120 the crate has a mass of 56.8 kg and juana pushes with horizontal force of 124 N. if 74.4 J of work are done on crate and the

asked by Mark on May 11, 2011
22. ## physics

juana slides a crate along the floor of the moving van the coefficient of kinetic friction between the crate and van floor is 0.120 the crate has a mass of 56.8 kg and juana pushes with horizontal force of 124 N. if 74.4 J of work are done on crate and the

asked by Mark on May 11, 2011
23. ## Calculus

Can someone look over my work and tell me if my steps look correct? I'm trying to correct some problems that looked wrong. Instructions: Find the total areas between the given curves. 1. x= (y^3) and x=(y^2) on the interval [0,1] (integral from 0 to 1 of)

asked by Jenna on September 10, 2009
24. ## algebra

Minimum Wage: The table shows minmum wage for three different years Year 1940 1968 1997 Wage (\$) 0.25 1.60 5.15 (a) Make a scatterplot of the data in the viewing rectangle [1930, 2010, 10] by [0, 6, 1] (b) Find a quadratic function given by f(x) = a(x –

asked by jake on April 19, 2011
25. ## physics

Astronauts visiting Planet X have a 2.6 -long string whose mass is 5.0g . They tie the string to a support, stretch it horizontally over a pulley 1.8m away, and hang a 1.8kg mass on the free end. Then the astronauts begin to excite standing waves on the

asked by sunday on February 3, 2015
26. ## Question, in regards to math

My questions is this: Directions :create one statement in english representing an algebraic representation. I have this: SIMPLE PROBLEM: A DOZEN EQQS COST \$1.20. WHAT IS THE PRICE OF EACH (1) EGG. ALGEBRAIC REPRESENTATION OF THIS PROBLEM, QUESTION IS

asked by jasmine20 on January 4, 2007
27. ## Science

Luis wanted to create a clay model of earth and the sun. To show how Earth rotates, Luis wants to use a toothpick to represent Earth's axis of rotation. Where should Luis place the toothpick? A. Horizontally through Earth in the direction Earth is

asked by Anna on November 20, 2013
28. ## math

The number of boxes on a truck varies directly with the time since the workday began. At 3 hours after the workday began, there are 207 boxes on the truck. How many boxes should we expect there to be on the truck hours after the workday began? Show the

asked by craig on November 14, 2017
29. ## Chemistry

Question: Consider the titration of 30.00 ml of .360 M. H2C6H6O6 (abscorbic acid; K1= 6.8e-5; K2=2.8E-12) solution with .280M NaOH. Note the weak acid, H2C6H6O6, is being titrated with the strong base, sodium hydroxide. the neutralization reaction are:

asked by Anonymous on April 19, 2009
30. ## Calculus

i was just wondering if there was a difference between infinty and indetrminant. my freind said there the same thing. But i thought that for example if you are given a limit for a function, by direct subsitution you find that answer is infity. the

asked by Pria on February 20, 2012
31. ## physics

A hoodlum throws a stone verticlly downwarsd with an inital speed of 12m/s from the roof of a building,30m above the ground a)How long does it take the stone to reach the ground? b)What is the speed of the stone at impact? What would be the 2 equations for

asked by ben on September 11, 2006
32. ## Calculus

i was just wondering if there was a difference between infinty and indetrminant. my freind said there the same thing. But i thought that for example if you are given a limit for a function, by direct subsitution you find that answer is infity. the

asked by Pria on February 18, 2012
33. ## Chemistry

What is the final temperature and physical state of water when 250 grams of water at 85 degrees C is added to 80.0 grams of ice at -15 degree C? Is the physical state of water liquid? I don't understand the set up. The setup is like this (answered by

asked by Student on February 29, 2016
34. ## Chemistry

The complex ions of Zn2+ are colorless. Why? Keith, Natali, Cindy, Joel, or whoever, Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your assignment on your own. If there's not a

asked by keith on April 27, 2007
35. ## Accounting

Glanville Distribution markets CDs of the performing artist Harrilyn Clooney. At the beginning of March, Glanville had in beginning inventory 1,500 Clooney CDs with a unit cost of \$7. During March Glanville made the following purchases of Clooney CDs.

asked by Joan A on May 10, 2011
36. ## Accounting

Glanville Distribution markets CDs of the performing artist Harrilyn Clooney. At the beginning of March, Glanville had in beginning inventory 1,500 Clooney CDs with a unit cost of \$7. During March Glanville made the following purchases of Clooney CDs.

asked by Joan A on May 10, 2011
37. ## paragraphs

Paragraph one is about a Polished piece of writing that the human resource depart. wants to see at the interview,describing an experience that inspired me or guided me to choose the type of position for which in applied for. Do you think this is good. With

asked by lynn on July 15, 2009
38. ## maths

A bag contained a number of 20cents, 50cents and \$1 coins. 1/3 of the 20cents coins is equal to 2/3 of the 50cents coins. There are 3/5 as many 50cents coins as \$1 coins. If the total value of these coins is \$23.10, how many coins are there altogether ?

asked by joi on December 28, 2011
39. ## thermodynamic

an engine operates on the carnot cycle between the temperature limits of 250c and 50c. the pressure and the volume at the start of the isothermal expansion are 6 bar and 0.1 m^3 respectively. pressure after isothermal expansion is 3 bar. assume

asked by abody alabady on April 9, 2015
40. ## Physics

A 400.0 KG mass experiences a horizontal push force of +720N And friction force of 320N A) assuming the mass is initially moving at 5.0 m/s far will it travel in 6.0 s? B) how much work does the 720.0 newton force do over the distance determine in part a?

asked by Anonymous on October 20, 2015
41. ## chemistry

To make a pocket warmer from sodium acetate and vinyl, how do you estimate how many grams to use? to work out the 'q' is it the heat capacity of the water it is dissolved in that you use? What temperature do you want it to get to and how do you factor in

asked by Jannis on March 31, 2011
42. ## sentences

Please note that we don't do students' homework for them. Once YOU have tried to write a sentence for your assignment, please re-post. Then someone here will be happy to give you feedback. =) who can you put a sentence that has including eveyone including

asked by Writeacher on March 5, 2007
43. ## College Physics

Box M2 sits atop M1. (M1=25kg M2=15kg). The coefficient of friction between boxes and between M1 and the ground is Uk=.4 and Us=.5. I found that 353N is the maximum force you can apply to box 1 so that box 2 doesn't slip off. Now it asks for the

asked by Matt on September 24, 2009
44. ## computing

Hamaira has just started to work for Graphic Services and has been asked to use a graphics package to prepare a logo for arrow computers. Grahic Services decided against choosing a graphic package with a command driven Human Computer inter face (HCI). why

asked by daniella on April 22, 2009
45. ## math

Lupe is applying for a summer job. Six employees doing the same work earn \$8.00, \$8.50, \$9.00, \$9.50, \$10.00, and \$21.00 per hour. In the interview, the boss tells Lupe that the average hourly wage is \$11.00. Is the boss's statement misleading? Why or why

asked by meh on April 10, 2017
46. ## chemistry

so I don't expect you to answer all of these I just don't understand how they work so if someone could just explain one or two so I can do the rest that would be helpful! Thanks! Use the activity series to predict whether the following reaction will occur.

asked by will.i.am on January 8, 2013
47. ## Mathematics

Anna burned 15 calories per minute running for x minutes and 10 calories per minute hiking for y minutes. She spent a total of 60 minutes running and hiking and burned 700 calories. The system of equations shown below can be used to determine how much time

asked by Joy on September 24, 2013
48. ## physics

Two blocks of masses m1=5 and m2=6 kg are on either side of the wedge shown below. Assume the surface and the pulley are frictionless. Find A)the direction this system will accelerate B) the acceleration of m1 and m2 C) the tension in the rope did I do

asked by Spice on November 24, 2015
49. ## physics

Two blocks of masses m1=5 and m2=6 kg are on either side of the wedge shown below. Assume the surface and the pulley are frictionless. Find A)the direction this system will accelerate B) the acceleration of m1 and m2 C) the tension in the rope did I do

asked by Spice on November 24, 2015
50. ## Calculus

This is going to be pretty hard to show as text since it would be easier for me to post a picture of the question. The question has f(x) = x/4^2 - (2x^3)/4^4 + (3x^5)/4^6 + ... . I am trying to find out the value of f(2). There is a hint to differentiate

asked by Douglas on October 4, 2010
51. ## Algebra

Andrew factored the expression 20x^3-12x^2+8x as 4x (5x^2-12x^2+8x). But when Melissa applied the distributive law and multiplied out 4x (5x^2-12x^2+8x), she got 20x^3-48x^3+32x^2; thus, Andrew’s solution does not appear to check. Why is that? Please

asked by traci on June 29, 2011
52. ## algebra

Andrew factored the expression 20x^3-12x^2+8x as 4x(5x^2-12x^2+8x). But when Melissa applied the distributive law and multiplied out 4x(5x^2-12x^2+8x),she got 20x^3-48x^3+32x^2; thus, Andrew's solution does not appear to check. Why is that? Please help

asked by ROCKY on July 24, 2011
53. ## Body System

The cardiovascular system consists of A. blood, blood vessels, heart, lymph, lymph vessels, and lymphatic tissues. B. heart, blood vessels, and lymph vessels. C. blood, blood vessels, and heart. D. heart and coronary arteries. The only thing I found it

asked by Anonymous on March 25, 2009
54. ## Algebra

Thomas can do a job in 4 hours. Julia can do the same job in7 hours. How many hours will it take the two of them to do the job it they work together?

asked by BK on March 9, 2008
55. ## algebra

A can do certain task in 8 hours, B in 10 hours and C in 12 hours. How long will it take to do the task if A and B work 1 hour and then A and C finish the task?

asked by melvin on December 4, 2017
56. ## math

Troy is building a pool that is proportional to the Olympic-sized pool. The width of his pool will be 625 centimeters. find the scale factor troy will use to build his pool use the scale factor to show the length of troys pool if the length of the Olympica

asked by Court on December 16, 2010
57. ## physics

When timmy is sitting at rest he have 40j of GPE then his dad gives timmy a big push when his dad let go timmy has 60j of GPE and 120j KE. How much work did timmy dad do when he pushed timmy?

asked by lisa on June 5, 2012
58. ## physics

When timmy is sitting at rest he have 40j of GPE then his dad gives timmy a big push when his dad let go timmy has 60j of GPE and 120j KE. How much work did timmy dad do when he pushed timmy?

asked by lisa on June 5, 2012
59. ## Chem

Consider 1.40 mol of carbon monoxide and 3.20 mol of chlorine sealed in a 8.00 L container at 476 oC. The equilibrium constant, Kc, is 2.50 (in M-1) for CO(g) + Cl2(g) ↔ COCl2(g) Calculate the equilibrium molar concentration of CO. So I tried this

asked by Anonymous on February 12, 2013
60. ## Calculus

Light is absorbed when it passes through a glass window. If r% of light is absorbed by a glass with thickness w , then the percent of light that is absorbed by a piece of glass with a thickness nw of for any natural number n is modeled by the following

asked by Deeno on April 15, 2013
61. ## Calculus

Light is absorbed when it passes through a glass window. If r% of light is absorbed by a glass with thickness w , then the percent of light that is absorbed by a piece of glass with a thickness nw of for any natural number n is modeled by the following

asked by Deeno on April 17, 2013
62. ## Calculus

Light is absorbed when it passes through a glass window. If r% of light is absorbed by a glass with thickness w , then the percent of light that is absorbed by a piece of glass with a thickness nw of for any natural number n is modeled by the following

asked by Deeno on April 17, 2013
63. ## Math

An adult polar bear walks at an average rate of 5 kilometers per hour. 1. write an equation to find k, the number of kilometers a polar bear bear can walk in h hours. 2.make a table to show the relationship between the number of kilometers k a polar bear

asked by Angelina on February 21, 2015
64. ## figue out this

In many forest very little sunlight reaches the smaller plants who lived on the ground or the florest floor because the tall trees block the sunlight awy from the smaller plants.Which of the following young trees has the BEST chance to survive and

asked by Hot stuff on April 18, 2007
65. ## 9th writing

Can you add figurative or tell me where I could add it, check my title, proofread, and help me show creativity? Freedom Doesn’t Come Free What is something you can never show much gratitude for? Well, veterans have done many things for our country.

asked by alarih on October 6, 2011
66. ## Writing

Can you add figurative or tell me where I could add it, check my title, proofread, and help me show creativity? Freedom Doesn’t Come Free What is something you can never show much gratitude for? Well, veterans have done many things for our country.

asked by Summone on October 5, 2011
67. ## POL 201 American National Government

1) Presidents often seek to control the federal bureaucracy by doing all of the following except: a) filling the top echelon of executive organizations with political appointees who share their values. b) assigning members of the White House staff

asked by John on July 28, 2013
68. ## 7th grade science

How are cancer cells different from normal, healthy cells? How many different types of cancers are there and what causes them? What is the history of cancer? When was it first identified? What were the first treatments? What types of doctors work with

asked by Delilah on November 29, 2012
69. ## math

On the first day he runs 1.5 km. Every day he runs 10% more than the day befor. a) Write down the distance he runs on the second day of training. ..... 1,5km +0,15 = 1,65 km b) Calculate the total distance He runs in the first seven days of training. When

asked by Lucas on February 22, 2014
70. ## Management accounting

Andre has a hair styling business with five workers that are paid \$9.90 per hour,they work 40-hour per week and 50 weeks a year.Rent is \$1,750 per month, hair shampooing is .40 per client, haircuts unit price is \$12. Andre needs your help in finding the

asked by please help !!! on May 25, 2007
71. ## PHYSICS

I'm having some trouble with a problem on my physics pre-exam, if there is any formula please let me know so i can do a bit of research on it. any help is greatly appreciated in advance. The inner membrane of a cell membrane is negative relative to the

asked by Michelle on February 17, 2018
72. ## Social Studies

1.What can be inferred by the passage of the Black Codes A.Many Southerners were willing to allow African-Americans equally B.Many white Southerners wanted African Americans to remain as slaves C.Many white Southerners wanted African Americans to receive

asked by PLEASE HELP ME on February 9, 2018
73. ## Algebra

How do you find the function to a problem quickly? For example: A tennis club holds a doubles tournament every spring. This year the club has 40 teams involved. At the end of each round half of the teams are eliminated. How many rounds must be played to

asked by Renee on March 10, 2010
74. ## Chemistry Math

A 0.4671g sample containing sodium bicarbonate was titrated with HCL requiring 40.72ml. The acid was standardized by titrating 0.1876g of sodium carbonate FW 106mg/mmol requiring 37.86ml of the acid. Find the percentage of NAHO3 FW 84mg/mmol in the sample

asked by Fai on November 18, 2012
75. ## intermediate algebra

Mr. Lakandula would like to increase his production of milkfish due to its high demand in the market. He is thinking of making a larger fishpond in his 8000 sq. m lot near a river. Help Mr. Lakandulaby making a sketch plan of the fishpond to be made. Out

asked by sylvia on July 6, 2016
76. ## Math

This is also another problem that I'm having trouble on. A motorboat can maintain a constant speed of 16 miles per hour relative to the water. The boat makes a trip upstream to a certain point in 20 minutes; the return trip takes 15 minutes. What is the

asked by amy on September 16, 2010
77. ## Chemistry

If the initial concentration of NH3(g) is 4.643 mol/L, calculate the % of NH3(g) left over after the reaction reaches equilibrium according to the balanced equation. The value of Kc at 773.0 K is 16.70. The initial concentration of the reaction products is

asked by j on December 3, 2011
78. ## exponential and logarithmic graphs question

hi, i desperately need help solving this question: Find the values of A and k if the general equation of the graph shown is y=Ae^kx where the graph goes through the points (-1,-4) and (-2,-10) do i solve it using simultaneous equations? because i have

asked by elle on March 21, 2007
79. ## Science

The separation of homologous chromosomes is called: A. synapsis. B. segregation. C. mitosis. D. fertilization. is it C 2. In humans, the genes for blood type A and B show lack of dominance to one another and both dominate O. Two type O people would be able

asked by Amy on July 19, 2013
80. ## Financial Accounting

Prepare adjusting journal entries for the year ended December 31, 2011 for each of the independent situation in (a) to (f). Assume that prepaid expenses are initially recorded in asset accounts. Assume that fees collected in advance of work are initially

asked by Prateek on July 25, 2010
81. ## Jonh Muir

Juan collects shells. He had 15 before he went on vacation. On vacation he found 4 shells per day for 3 days. Then he found 6 shells on the fourth day. Write an expression and solve it to find out how many shell he has after vacation.

asked by Anonymous on October 22, 2013
82. ## Math

If you run 3 miles everyday for 5 days, how many miles will you need to run on the sixth day in order to have run an average of 4 miles per day over 6 days? Solve this problem in two different ways, and explain your solutions.

asked by Miles on April 5, 2017
83. ## math

there are 4 red marbles 7 blue and 5 green what is the probability of picking a red replacing it and then getting a blue what is the probability of picking a red this time setting it aside and getting a blue why or why not are the answers the same I have

asked by kid from connexus on May 9, 2017
84. ## Maths

Fred is 10 yrs older than Ted. In 3 yrs time Fred will be 3 times as old as Ted. Let Fred be x yrs old now. Write an equation to represent this situation. Solve equation and state how old each person is now.

asked by David on April 20, 2014
85. ## Math

solve the equation 20x^3 +44x^2 -17x -5 given that -5/2 is a zero of f(x) 20x^3 +44x^2 -17x -5 I used synthetic division and got 20x^2-6x-2=0 took 2 and divided it out of that equation 2(x+5/2)=10x^2 -3x-1 then i factored it out the right side of the

asked by sarah on March 2, 2009
86. ## Calculus I

Any help on how to solve this? The range of a projectile launched at an angle θ from the ground with velocity v0 is given by R(θ) = [v0^2 sin 2(θ)]/9.81 . If the projectile is launched at an angle of θ = π/6, use differentials to approximate the

asked by Anonymous on November 5, 2014
87. ## math

need help with a homework please explain how to get answer to ms hernandez has 17 tomato plants that she want to plant in rows. she will put 2 plants in some rows and 1 plant in the others. how many different ways can she plant the tomato plants? make a

asked by C C on November 18, 2015
88. ## algebra or algebra1

A truck leaves an intersection going 42 miles per hour. Half an hour later, a car going 62 miles per hour follows the truck. If x is the time, in hours, required for the car to catch the truck, then which of the following equations can be used to solve for

asked by lambe on February 24, 2016
89. ## math

I have trouble solving word problems. Can you tell me the best approach to solve this word problem? If Sally can paint a house in 4 hours, and John can paint the same house in 6 hours, how long will it take for both of them to paint the house together?

asked by Becky on November 16, 2008
90. ## IT 221

I need help with this one because I don't even know where to start. I need to use microsoft project to develop a work breakdown structure (WBS) for my project. ok I tried going into Microsoft project put I just don't know how to organize it, and i can't

asked by Sam on November 29, 2008
91. ## math

The chart below (Monday:2,600, Tuesday: 3,100, Wednesday: 2,800 and Thursday: 3,200)displays Jim's sales for the first four days of his work week. Jim's boss told him that he would get a promotion if his mean sales for Monday through Friday were at or

asked by melanie on June 1, 2018
92. ## chemistry

Sulfuric acid dissolves aluminum metal according to the following reaction: 2Al(s) + 3H2SO4(aq) -> Al2(SO4)3(aq) + 3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 15.9g . A)What minimum mass of H2SO4 (in g) would you need?

asked by leo on October 20, 2007
93. ## English

Does anyone know any specific poems or a website with poems that may relate to any of these themes...? - loss of innocence/youth - taking a chance - being yourself - imagination vs. reality any poems relating to these will do! even a poem that is opposite

asked by Alice on April 2, 2008
94. ## English lit

So, for my english class, I'll have to write a Short story ( Exposition Rising Action Climax Falling action Resolution ) I'd like the story to be around the theme of christmas or horror during x-mas. So I need you guys to help inventing a story with a

asked by Simon on December 3, 2010
95. ## Statistics

The national centre of health statistics reports that the mean systolic blood pressure for males 35-44 years of age is 128 and a standard deviation of 15. A group of 50 executives selected at random are tested and found to have an avarage of 132.3. Is

asked by Sue on April 16, 2013
96. ## maths urgent

Plz help me solve these sums i will be great full 1.How many non congruent right triangles with positive integer leg lengths have areas that are numerically equal to 3 times their perimeters 2.A triangle with side lengths in the ratio 3:4:5 is inscribed in

asked by ramesh reddy on May 15, 2013
97. ## Sociology (stats) help

Given the mean = \$12 Standard deviation = \$2.50 Suppose that a large state university graduate research assistants are paid by the hour. Data from the personnel office show the distribution of hourly wages paid to graduate students across the campus is

asked by Ronald on October 8, 2014
98. ## math

for the following equations, write a word problem draw a picture, and find the solution to the equation. 5/12 - 1/3=? I know the answer is 1/12 but am stumped on how to write the word problem and draw a picture

asked by m on October 27, 2010
99. ## Chemistry

Plan how you would make 100mL of a buffer solution with a pH of 10.80 to be made using only sodium carbonate, sodium hydrogen carbonate and water. You should specify the amount of sodium carbonate and sodium hydrogen carbonate that you would use.

asked by Parveen on August 12, 2012
100. ## physics

A. There are 28 g of salt dissolved in 400 ml of water. Consider the quantity 0.07 = 28/400. 1. Give the name of the quantity if there is one. 2. What is the interpretation of . 07 g in this context? 3. Use the interpretation to find the amount of salt

asked by andrea on January 24, 2011