# 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 131
1. ## math

at 3:30pm kendra was 475 miles from home. At 7:00pm she was 258 miles from home Find rate of change in kendra's distance from home .... show work

asked by brian on December 6, 2011
2. ## physics

if a child pulls an old wagon up a steep incline on a sidewalk, what does a child's work do? i say, it would increase, due to the fact that it is a steep hill and it takes more work to pull the wagon up??? The child's work is done aganst gravity, and

asked by mitch on October 1, 2006
3. ## physics

a 330 kg piano slides 3.6 m down a 28 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. the effective coefficient of kinetic froction is 0.4. calculate a) the force exerted by the man, b)the work done

asked by Nat on April 27, 2009
4. ## Physics

a 330 kg piano slides 3.6 m down a 28 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. the effective coefficient of kinetic froction is 0.4. calculate a) the force exerted by the man, b)the work done

asked by Nat on April 25, 2009
5. ## Improving Your Writing

Background: Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two employees: Jack Snyder and Ruth Disselkoen. Your office provides

asked by Babs on August 15, 2012
6. ## Chemistry

What's the difference between the pressure of a system and the partial pressures in relation to Le Chatelier's principles? I know that when the pressure of the system is increased, it goes to the side with less moles/particles and when decreased it will go

asked by Sunny on July 13, 2017
7. ## physics.

Heat engine X takes four times more energy by heat from the hot reservoir than heat engine Y. Engine X delivers two times more work, and it reject seven times more energy by heat to the cold reservoir than heat engine Y. Find the efficiency of heat engine

asked by jean on April 26, 2007
8. ## Algebra 2

Can someone check my answers. Write the following equations in standard form. 1) x^2 - 2x + y^2 + 4y = 11 answer: (x-1)^2 + (y+2)^2 = 16 2) 4x^2 + 24x - y + 34 = 0 answer: y = 4(x-3)^2 + 2 3) The graph of which equation is a circle? A. 5x^2 + 10x = 9 +

asked by Troy on April 7, 2008
9. ## mathmatics probability

I am having with the following questions and was wondering if someone might be able to show me a step by step solution to arrive at the answer. They are from Probablity and Statistics for Enginnering and the Sciences by Jay Devore 6th Edition 62) An

asked by ajones51 on February 7, 2007
10. ## Biology

20. Three common characteristics of adult vertebrates are a. skull, notochord, and complex organ system b. backbone, segmentation, and open circulatory system c. two pairs of jointed appendages, cephalization, and internal skeleton d. hydrostatic skeleton,

asked by mysterychicken on March 15, 2010
11. ## Biology

20. Three common characteristics of adult vertebrates are a. skull, notochord, and complex organ system b. backbone, segmentation, and open circulatory system c. two pairs of jointed appendages, cephalization, and internal skeleton d. hydrostatic skeleton,

asked by mysterychicken on March 15, 2010
12. ## College Chemistry

a 1.00-L solution saturated at 25°C with calcium oxalate (CaC2O4) contains 0.0061 g of CaC2O4. The solubility constant (Ksp) for this salt is [CaC2o4= 128.09 g/mol] a) 6x10^ -3 b) 4.6x10^ -8 c) 2.3x10^ -9 d) 1.5x10^-4 if you could please work it out for

asked by Shanice on December 2, 2010
13. ## Physics

When you take your 1300-kg car out for a spin, you go around a corner of radius 57.8 m with a speed of 15.2 m/s. The coefficient of static friction between the car and the road is 0.82. Assuming your car doesn't skid, what is the force exerted on it by

asked by Alyssa on October 16, 2012
14. ## Physics

A 25 g bullet with a muzzle velocity of 300 m/s is fired into a board 4.0 cm thick. For a soft board, the bullet goes through the board and emerges with a speed of 50 m/s. What was the average force exerted on the bullet by the board? Answer= 27344 N Show

asked by Bob on March 18, 2016
15. ## Physics

The cake company truck is on it's way deliver a cake for a party when it rounds a curve of radius 20 m at a speed of 12 m/s. What coefficient of friction is needed between the cake pan and the truck in order to keep the pan from slipping? please show work!

asked by coefficient of fric? on February 9, 2011
16. ## Intermediate Algebra

Evaluate the logarithmic equation for three values of x that are greater than -1, three values of x that are between -2 and -1, and at x = -1. Show your work. Use the resulting ordered pairs to plot the graph; submit the graph via the Dropbox. State the

asked by Marnae on September 5, 2010
17. ## algebra

Essay. Show all work. the rectangular swimming pool is given by 2x^2-5x-3 ft.^2. One side length of the pool is given by 2x+1 feet. What is an algebraic expression for the other side length of the pool? Simplify this, and include correct units as part of

asked by shay on July 19, 2011
18. ## Physics

A 25 g bullet with a muzzle velocity of 300 m/s is fired into a board 4.0 cm thick. For a soft board, the bullet goes through the board and emerges with a speed of 50 m/s. What was the average force exerted on the bullet by the board? Answer= 27344 N Show

asked by Andy on March 18, 2016
19. ## math

Tom is making meatloaf with 3/4 pound of turkey and 5/6 pound of ground beef. What is the LCM he should use to find the total number of pounds of meat? How many pounds of meat will be in the meat loaf? Show your work Completely.

asked by bob on November 16, 2014
20. ## algebra

Evaluate the logarithmic equation for three values of x that are greater than -1, three values of x that are between -2 and -1, and at x = -1. Show your work. Use the resulting ordered pairs to plot the graph; submit the graph via the Dropbox. State the

asked by Marlee on September 8, 2010
21. ## Physics

A steam engine's boiler completely converts 155 kg of water to steam. This process involves the transfer of 3.5 x 10^8 J by heat. If steam escaping a safety valve does 1.76 x 10^8 J of work against the outside atmosphere, what is the net internal energy of

asked by Lindsay on March 26, 2008
22. ## Chemistry

Calculate the boiling points of freezing points of the following solutions in water. a) boiling point of a 2.25m solution of propylene glycol (a non-electrolyte) b)freezing point of a 1.0m solution of potassium iodide c)freezing point of a 1.0m solution of

asked by Ralph on May 2, 2010
23. ## Algebra

Use the Gauss-Jordan method to invert 1 0 0 2 -1 0 0 0 1 A1= 1 1 1 A2= -1 2 -1 A3= 0 1 1 0 0 1 0 -1 2 1 1 1 can someone help me to invert those matrix using Gauss-Jordan method

asked by Ryder on October 27, 2010
24. ## Chemistry

100 g of water is added into 10.6 m NaOH solution. The diluted NaOH solution is then neutralized completely with H2SO4 solution. Density of NaOH is 1.08 g/ml. Calculate: i. the mol fraction of NaOH in the diluted NaOH solution. ii. mol of H2SO4 required.

asked by Ann on June 28, 2016
25. ## Physics

The university skydiving club has asked you to plan a stunt for an air show. In this stunt, two skydivers will step out of opposite sides of a stationary hot air balloon 2,500m above the ground. the second skydiver will leave the ballon 20 seconds after

asked by Jaime on April 6, 2015
26. ## Algebra

Can someone check my work for the following? I am supposed to use the five-step method to solve & check, but I don't know what that is. Anyway 1. One-third of a number is 5 less than half of the same number. What is the number? My answer: 1/3x = 1/2x - 5

asked by Tamir on June 11, 2010
27. ## statistics

Refer to the following table which contains the sales (in \$,000) for a department store for the first ten months of the year. Month Sales January 440 February 480 March 590 April 400 May 500 June 550 July 470 August 500 September 600 October 520 Using a

asked by iyra on February 9, 2010
28. ## Math

f the life, in months, of a certain type of car battery is normally distributed with a mean of 88months and a standard deviation of 9 months, what should be the guarantee period if the companywants less than 5% of the batteries to fail while under

asked by Bailey on April 25, 2018
29. ## World History (Ms. Sue)

How did the French system of colonial rule differ from that of Great Britain? A: The French system of colonial rule differed from that of Great Britain in several ways. In Great Britain, the colonial rule was indirect, keeping the old African elite in

asked by Victoria on October 21, 2014
30. ## Phyics help

I have a few physics questions: 1. How much mechanical work is done by a weightlifter holding a mass of 100 kg, 2.0m above the floor for 3.0 s? Explain ur answer. 2. Calculate the force needed to do 2.0 kJ of work to push a load of bricks 10m? 3. A

asked by Anonymous on April 9, 2011
31. ## s.s

How has Britain’s political system impacted Canada’s political system

asked by lili on September 23, 2015
32. ## hardware

Difference between disk operating system and windows operating system?

asked by Chandan kumar on February 28, 2014
33. ## math

what type of system would this be? y = 5x - 1 y = (1/5)x - 1 linear system one line intersecting with another line

asked by Angel on July 11, 2005
34. ## math - plz help!!

How to write three linear system that are equivalent to the linear system shown? 5x-4y= -3 2x + 7y= 5

asked by lyn on April 10, 2015
35. ## Math

What are the major advantages of a place value system over a non-place value system of numeration?

asked by Len on May 25, 2017
36. ## computer

Give 5 operating system manufacturer and the operating system they have prod

asked by ibrahim on January 28, 2016
37. ## math

How to write three linear system that are equivalent to the linear system shown? 5x-4y= -3 2x + 7y= 5

asked by Lyn on April 9, 2015
38. ## uni

11. Mixing 40.0 mL of a 4.00 M sodium chloride solution with 20.0 mL of a 5.00 M calcium chloride solution results in a solution with a chloride ion concentration of: A) 4.33 M. B) 4.50 M. C) 6.00 M. D) 7.00 M. E) none of these

asked by ali sbaity on October 16, 2014
39. ## chemistry

A chemist has a solution of NaOH 4 mol/L and wishes to prepare 500 mL of a Solution at 3 mol/L. What volume should it use from the 4 mol/L solution?

asked by damon on May 6, 2019
40. ## Algebra 2

Absolute Value Equations Will someone please check to see if I am doing this correct? 1.|7x+2|=10 x= (8/7) or (-12/7) 2.|3x-5|=-1 I got "no solution" because "d" cannot be negative. 3.|x^2-2x-16|=8 x= 6,-4 or x=4,-2 4.|3x-2|=7 x= 3 or (-5/3)

asked by Caroline on September 19, 2012
41. ## general chemistry

I've been trying to solve these for while now, and i keep getting them wrong.... please help!! A solution of NH4Cl hydrolyzes according to the equation. If the [NH3] in the solution after hydrolysis is 0.00000508 M, calculate the equilibrium concentration

asked by carly on November 5, 2010
42. ## Physics problem

An object with a mass of 100kg is dropped from an 80 meter high building and leaves an impression in the ground of 15cm. A.What is the time needed to hit the ground? B. What is the speed of the object when it hits the ground? C. What is the coefficient of

asked by Sarah on November 1, 2013
43. ## Physics problem

An object with a mass of 100kg is dropped from an 80 meter high building and leaves an impression in the ground of 15cm. A.What is the time needed to hit the ground? B. What is the speed of the object when it hits the ground? C. What is the coefficient of

asked by Sarah on November 1, 2013
44. ## science

a constant force applied at an angle of 20 above the horizonal , pulls a 200 kg block, over a distance of 3 m, on a rough, horizontal floor. the coefficient of kinetic friction is 0.2 show that work done by the kinetic frictional force on the block can be

asked by Anonymous on May 2, 2016
45. ## Physics

Two wires run from the top of a pole 2.6m tall that supports a volleyball net. The two wires are anchored to the ground 2.0m apart, and each is 2.0m from the pole. The tension in each wire is 100N. here are the dimensions. I do not understand how to setup

asked by rob on March 17, 2013
46. ## Chemistry

A solid sample of a hydrate salt, NaNO3xH2O, was heated gently to drive off all the water of crystallization. Starting with a mass of 7.494g of NaNO3xH2O, a mass of 5.263g of the anhydrous salt, NaNO3 was obtained. Determine the value of x (which is

asked by Adalaide on August 18, 2013
47. ## math

Shonda owns a bussiness that transfers photos to CD-ROMs. She charges her customers \$24.95 for each CD-ROM. Which of these equations could be use to calculate her profit 'p' for creating 'n' CD-ROMs? a)p=(24.95-0.8)n - 575 b)p=(24.95+0.8)n + 575 c)p=24.95n

asked by Ashley on October 14, 2010
48. ## chemistry

I don't understand this zwitterion form . Here is the question. write the zwitterion form of the amino acid cysteins shown in the follwing figure. If the pI for cysteine is 5.1 at what pH will the zwitterions be the predominant form? Can you please show me

asked by Jen on March 9, 2011
49. ## 5th grade math

A list of numbers represents the following pattern: For each number after the first, multiply the previous number by itself, and then subtract that number. Which list does NOT represent that pattern? A. 1,1,1,1, and so on B. 2,2,2,2, and so on C.

asked by jamar on January 15, 2014
50. ## Math

Can someone show me the steps to solve this problems.. 18s^2 + 72s = 0 and x^3 - 5x^2 - 66x = 0 18s^2 + 72s = 0 18s*(s + 4)=0 set both terms equal to zero. x^3 - 5x^2 - 66x = 0 x*(x^2 - 5x - 66 )= 0 factor the second term (11,6)

asked by Anna on June 2, 2007
51. ## Chemistry

If a student used 11.54mL of their NaOH solution to neutralize 10.00mL of a 0.445M KHP solution, then what is the concentration of the student's NaOH solution (in Molarity)?

asked by Ari on October 4, 2010
52. ## Chemistry

A volume of 45.3mL of .719 M Ca(NO3)2 solution is mixed with 82.3mL of 1.409M Ca(NO3)2 solution calculate the concentration of the final solution

asked by Jorge on October 10, 2010
53. ## chemistry

A solution of sodium nitrate, NaNO3, in 200 g of water is saturated at 50°C. If the solution is cooled to 20°C, how many grams of sodium nitrate will precipitate from the solution?

asked by KSLE on September 13, 2010
54. ## chemistry

. A 13 mL sample of a solution of AlBr3 was diluted with water to 56 mL. A 25 mL sample of the dilute solution was found to contain 2.21 M Br-. What was the concentration of AlBr3 in the original undiluted solution?

asked by Kate on February 16, 2012
55. ## 11th Grade Chemistry

The freezing point of an aqueous solution that contains a non-electrolyte is -9.0 degrees celcious. A. What is the freezing-point depression of the solution? B. What is the molal concentration of the solution?

asked by Taylor on April 27, 2010
56. ## science

a solution of hcl of concentration 1.5 mole/liter is mixed with another solution of hbr of the same concentration. calculate: 1)ph of hcl solution alone 2)ph of the final mixture

asked by Mero on December 12, 2010
57. ## chemistry

prepare n/10 solution of oxylic acid .find out the strength in normality of the given potassium permagnet solution with the help of prepared solution of oxylic acid?

asked by mrinal on March 17, 2012
58. ## Chemistry

How would you prepare 165 mL of a 0.976 M NaOH solution, starting with a 6.36 M stock solution? Volume of solution needed? Volume of water needed?

asked by Anna on October 21, 2014
59. ## chemistry

A solution is saturated with Ag2CrO4. a) Calculate [CrO4^2-] in this saturated solution. b) What mass of AgNO3 must be added to 0.635 L of the solution to reduce [CrO4^2-] to 1.0* 10^-8M?

asked by Justin on March 19, 2012
60. ## Chemistry

To make an acid solution, 6.8 x 10-3 mole of a strong acid (6.8 x 10-3 mole H3O+) is dissolved in water to give a 550 mL solution. What is the pH and [OH-] of the solution?

asked by Anonymous on October 17, 2013
61. ## science

A test solution of sodium acetate is to contain 10 mg/ml of the metal ion. if 750 ml of the solution is needed, how many grams of sodium acetate must be used? What is the molarity of this solution?

asked by Drez on April 20, 2011
62. ## che

the concetration of HCl in a commercial concetrated HCl solution is given as 37%(W/W). calculate the molarity., normality of HCl in the solution . prepare 100.ml of 1N solution of HCl

asked by Haile on April 14, 2017
63. ## Chemistry

Hi was looking to get some help with an experiment. Currently I trying to determine the amount iron in cereal. And was hoping to get some help with one of the questions I have been given. First off I am the recorded absorbance across the region 470 – 490

asked by Josh on October 14, 2014
64. ## math

A 5% alcohol solution is mixed with 15% alcohol solution to make a 25mlof a 9% solution. How much of each alcohol solution is used?

asked by elisa on October 29, 2007
65. ## Physics

As you lift a chair to store is upside down on a desk, gravity exerts a force, mg, downward and you exert a force of the same magnitude upwards. The two forces are equal in magnitude and opposite in direction. From this is would appear that no work was

asked by Becky on March 21, 2012
66. ## Physics

you lift a chair that weighs 50 n to a height of 0.5cm and carry it 10 m across the room how much work do you do on the chair. I just want to make sure is it 25J because you are only doing work if you are lifting it but walking with it isn't work because

asked by Hamza on April 15, 2017
67. ## Physics

you lift a chair that weighs 50 n to a height of 0.5cm and carry it 10 m across the room how much work do you do on the chair. I just want to make sure is it 25J because you are only doing work if you are lifting it but walking with it isn't work because

asked by Hamza on April 15, 2017
68. ## Physics

you lift a chair that weighs 50 n to a height of 0.5cm and carry it 10 m across the room how much work do you do on the chair. I just want to make sure is it 25J because you are only doing work if you are lifting it but walking with it isn't work because

asked by Hamza on April 15, 2017
69. ## About work

Hello am new at this work at home but i never find any good site i can work with pls help am from nigeria send me link of good work at home that can suit me nothing is small to earn. thanks

asked by Adewale on July 25, 2011
70. ## math

You drive 15 miles each way to go to work. Your car gets 18 miles per gallon and gasoline in your town costs \$2.50 per gallon. How much money will it cost you to get to and from work for one five-day work week

asked by joshu on August 21, 2011
71. ## Geneticist

What is a geneticists annual salary ? Where do they perform most of their work ? How much education does it require to become a geneticist ? What materials do you work with ? Do geneticists work in a group or alone and why ? If they work in a group how

asked by Sam Williamson on January 28, 2007
72. ## Government

Name 5 countries for each government system, Theocracy Oligarchy Aristocracy Autocracy Tyranny Despotism There might be more but I am not sure, please help me! http://en.wikipedia.org/wiki/Theocracy Search the rest of your terms at Wikipedia. You will see

asked by Lanna on October 20, 2006
73. ## science 2

6. When aqueous solutions of table salt and silver nitrate are mixed, a white solid forms. This solid is ____. (1 point)soluble a precipitate an alloy a solute 7. Stainless steel is an example of a ____ solution. (1 point)liquid-solid solid-liquid

asked by NIKE on April 17, 2012
74. ## Biology

20. Three common characteristics of adult vertebrates are a. skull, notochord, and complex organ system b. backbone, segmentation, and open circulatory system c. two pairs of jointed appendages, cephalization, and internal skeleton d. hydrostatic skeleton,

asked by mysterychicken on March 15, 2010
75. ## physics

an atwood machine is set up with m1=234 grams and m2=485 grams. the height of m2 above the floor is 137 cm, and the system is released from rest. the pulley is frictionless. what is the acceleration of this system? what is the tension in the string? how

asked by Haley on November 30, 2010
76. ## physics

In the (Figure 1) the coefficient of static friction between mass mA and the table is 0.42, whereas the coefficient of kinetic friction is 0.17. Ignore masses of the cord and the (frictionless) pulley. What minimum value of mA will keep the system from

asked by Allie on September 10, 2015
77. ## health

When comparing the flow of lymph in the lymphatic system with the flow of blood in the circulatory system, it can be said that the lymphatic system also A. uses a pump. B. contains fluid that travels in only one direction. C. uses valves to prevent

asked by Linda on June 30, 2010
78. ## chemistry

A student generates H2(g) over water using the reaction between zinc and hydrochloric acid Zn(s)+ 2HCl(aq)---> ZnCl2(aq)+ H2(g) Data: Mass of vial and zinc 15.5082 mass of vial 15.3972 mass of zinc 0.111 final burette reading 45.30mL barometric pressure:

asked by Yuli on November 23, 2011
79. ## math 1st. grade

Adding Doubles just means adding the same numberr to itself. Like 2+2=4, 3+3=6, So addind doubles to 18 would be 0+0=0, 1+1=2, 2+2=4, and so forth up to 9+9=18. Maybe this will help you solve the problem. I have a work sheet that has Add Doubles to 18 with

asked by Lance on May 21, 2007
80. ## math

Part A: Explain why the x-coordinates of the points where the graphs of the equations y = 4x and y = 2x−2 intersect are the solutions of the equation 4x = 2x−2. Part B: Make tables to find the solution to 4x = 2x−2. Take the integer values of x

asked by faith on December 11, 2017
81. ## algebra 1

Part A: Explain why the x-coordinates of the points where the graphs of the equations y = 4x and y = 2x−2 intersect are the solutions of the equation 4x = 2x−2. Part B: Make tables to find the solution to 4x = 2x−2. Take the integer values of x

asked by steph on December 11, 2017
82. ## ALEGEBRA 1

Part A: Explain why the x-coordinates of the points where the graphs of the equations y = 2−x and y = 4x + 3 intersect are the solutions of the equation 2−x = 4x + 3. Part B: Make tables to find the solution to 2−x = 4x + 3. Take the integer values

asked by Annabelle on January 4, 2016
83. ## xacc 280

If there has been anyone that has taken this class could get a little help. I am not looking for the answers just some more info. I am not understanding it. Instructions For each of the three situations, say if the accounting method used is correct or

asked by Tracie on July 1, 2010
84. ## Accounting

Hanson Corp uses a process costing system. Materials are added at the start of the process. Beginning inventory for January consisted of 1,900 units (40% complete for conversion) with a cost of \$15,000. 10,900 units were started and completed during

asked by Bill on April 17, 2010
85. ## Chemistry

A calcium iodide solution is made by mixing 0.520g of calcium iodide with 12.0ml of water. 1) Determine the moles of calcium iodide used to make the solution 2) Determine the mass of solvent used to make the solution. Assume that the density of water is

asked by Faith 1 on October 11, 2016
86. ## Math Inequalities

One canned juice drink is 25% orange juice another is 5% orange juice. How many liters of each should be mixed together in order to get 20L that is 24% orange juice? How many liters of the 25% orange juice should be in mixture? How many liters of the 5%

asked by Anna on November 5, 2009
87. ## Algebra

A. "Solve for w: (6w+1)/5≠2. Describe the solution in set notation." First I must find what number to substitute for "w" that WILL equal 2, correct? Then, determine the numbers that won't (I assume there will be far more of these)? What would be the most

asked by Samuel on January 14, 2015
88. ## Economics

Suppose that the price of a stock is \$50 at the beginning of a year and \$53 at the end of the year, and it pays a dividend of \$2 during the year. Calculate the stock’s current yield, capital-gains yield, and the return. Show your work for three separate

asked by Tracey on October 19, 2010
89. ## algebra

A company's profit on phone sales is modeled by the function P(x)= -x^2+90x+497,975 where x is the price of a phone. To the nearest dollar, what price gives the maximum profit? Show all work. The answer is \$752 per phone, but I don't know how.

asked by neal on December 14, 2009
90. ## finance

Suppose that the price of a stock is \$50 at the beginning of a year and \$53 at the end of the year, and it pays a dividend of \$2 during the year. Calculate the stock’s current yield, capital-gains yield, and the return. Show your work for three separate

asked by ky on April 28, 2011
91. ## chemistry

When zinc metal is reacted with hydrochloric acid, zinc chloride and hydrogen gas are produced. If 16.4 ml of 2.14 M HCl are used: a) how many grams of zinc metal are needed to completely use up the acid? b) What will be the molarity of the aqueous

asked by Lindsay on December 7, 2011
92. ## Money and Banking

Suppose that the price of a stock is \$50 at the beginning of a year and \$53 at the end of the year, and it pays a dividend of \$2 during the year. Calculate the stock’s current yield, capital-gains yield, and the return. Show your work for

asked by Michelle Robinson on October 31, 2010
93. ## intermediate algebra

Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Show your work. Use the resulting ordered pairs to plot the graph; submit the graph via the Dropbox. State the equation of the line asymptotic to the

asked by Anonymous on September 3, 2010
94. ## Physics

A shopper in a supermarket pushes a cart with a force of 35 N directed at an angle of 52(angle sign here) downward from the horizontal. Find the work done by the shopper on the cart as the shopper moves along a 50.0 m length of aisle. Someone tell me if

asked by Edwin on October 24, 2010
95. ## algebra

Evaluate the logarithmic equation for three values of x that are greater than 1, three values of x that are between 0 and 1, and at x=1. Show your work. Use the resulting ordered pairs to plot the graph; submit the graph via the Dropbox. State the equation

asked by Anonymous on September 3, 2010
96. ## Chemistry

In a volumetric analysis experiment, a solution of sodium oxalate in acidic soltuion is titrated with a solution of potassium permanganate according to the following balanced chemical equation: 2KMnO4+8H2SO4+5Na2C2O4 -> 2MnSO4+8H2O+10CO2+5Na2SO4+K2SO4 What

asked by Kaley on February 28, 2016
97. ## Chemistry

The theoretical yield of water in the following reaction is calculated to be 149.4 g. If 123.1 g of water were collected after the reaction has gone to completion what is the percent yield of the reaction? Show your work.

asked by Cam on January 16, 2019
98. ## math

h worked the following problem incorrectly. Part 1) In which line was the mistake made? Part 2) Show your work and give the correct answer? Line 1 40 ÷ 5(3 − 1) − 4 Line 2 40 ÷ 5(2) − 4 Line 3 40 ÷ 10 − 4 Line 4 4 − 4 Line 5 0

asked by paige on March 21, 2012
99. ## algebra

Consider the polynomial f(x) = 3x3 – 2x2 – 7x – 2. (a) By using the Rational Zero Theorem, list all possible rational zeros of the given polynomial. (b) Find all of the zeros of the given polynomial. Be sure to show work, explaining how you have

asked by Math is hard! on November 23, 2010
100. ## Pre calc

Find sin(2x), cos(2x), and tan(2x) from the given information. sin(x) = 5/13, x in Quadrant I sin(2x)? cos(2x)? tan(2x)? I honeslty just need one good example of how to do these please show all work and finalize answer

asked by Armani on April 13, 2017