# 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 81
1. ## science

A solution of aqueous ammonia contains 28.0% NH3 by mass. the solution has a density of 0.898g/mL. calculate the volume of this solution required to make 425mLof 0.320M NH3 solution.

asked by luke on November 18, 2016
2. ## Chemistry

A solution contains 15 g non-volatile non-electrolyte solute C6H14O6 dissolved in 500 g of water at 40 c. Calculate (A)Vapor pressure of the solution. (B)Boiling point of the solution. (C)Freezing point of the solution.

asked by Yeneta on September 1, 2012
3. ## chemistry

AgNO3 was dissolved in water to make 10mL of solution. Then 3.0mL of that solution was used to make a new solution with a total volume of 1.000L. What was the concentration of the silver ion in the final solution?

asked by Anonymous on October 5, 2009
4. ## chemistry

Calculate the molar concentrations for each of the following solutions: A)1.5g NaCI in 100 ml solution B)1.5g K2Cr2O7 in 100 ml solution C)5.55g Na2SO4 in 125 ml solution D)20g MgBr2 in 250ml solution

asked by twynna on February 20, 2011
5. ## chemistry

calculate the volume(ml) of a 0.215M KOH solution that will completely neutralize each of the following? a) 2.50ml of a 0.825M H2SO4 solution b) 18.5ml of a 0.560 M HNO3 solution c) 5.00mL of a 3.18 M H2SO4 solution

asked by Connie on April 28, 2011
6. ## chemistry 1046

A.Determine the pH of the solution. a solution that is 1.17% HCl by mass (Assume a density of 1.01 g/mL for the solution.) B. Amphetamine (C9H13N) is a weak base with a pKb of 4.2. Calculate the pH of a solution containing an amphetamine concentration of

asked by Anonymous on July 3, 2012
7. ## Chemistry

A solution is prepared by dissolving 571.6 g of H 2SO4 in enough water to make 1000.0 mL of solution. The solution has a density of 1.3294 g/mL. (molar mass of H2SO4 = 98.08). What is the molar concentration of the solution?

asked by Bill on March 24, 2013
8. ## Chemistry

A 150ml solution of 0.340M HCl is mixed with a solution of 340ml of 0.175M HNO3. The solution is then diluted to a final volume of 1.00L. How many moles of H+ are present in the final solution?

asked by Jessica on April 3, 2017
9. ## SCIENCE

A MACHINE OF EFFICIENCY 60% IS USED TO RAISE A LOAD OF 150kg THROUGH A VERTICAL DISTANCE OF 2.5m.CALCULATE THE WORK DONE [IN JOULES]. I tried E=WORK OUTUT/WORK INPUT times 100% 60=150 times 10 times 2.5/work input times 100 60 times work input=3750 times

asked by JOY on January 31, 2016
10. ## Calculus

An airplane flies at an altitude of 5 miles toward a point directly over an observer. The speed of the plane is 600 mi/hr. Find the rate at which the angle of elevation is changing when the angle is 30 degrees. I found the answer to be 60 radians/hr by

asked by Katie on November 19, 2009
11. ## Algebra

Lydia wants to buy picnic tables, benches, and permanently installed grills. On one page she notices that 5 picnic tables, 10 benches, and 3 grills sell for \$1330. On another page she sees that 20 picnic tables, 30 benches, and 20 grills sell for \$5550.

asked by (: on October 14, 2009
12. ## Biuret & Lowry Method

Hello I want to ask several questions about Lowry and Biuret method. 1. Lowry Reagent C are prepared freshly. Why? 2. Why Folin Reagent kept in dark bottle? 3. Order of addition of reagent is important for preparing Lowry Reagent C. Why? 4. We prepare

asked by Angora on March 15, 2015
13. ## Any math tutor online? Help

Two companies charge these rates for printing a brochure : Company A charges \$175 for set up and 0.10 pet brochure Company B charges \$250 for set up and 0.07 pee brochure A linear system that model this situation is C=175 + 0.10n C =250+ 0.07 Where c is

asked by Emmanuel on December 15, 2014
14. ## Chemistry

You carefully weigh out 19.00 of powder and add it to 76.95 of solution. You notice bubbles as a reaction takes place. You then weigh the resulting solution and find that it has a mass of 88.16 . The relevant equation is CaCO3+2HCl ----> H2O + CO2 + CaCl2

asked by ALISON on September 9, 2011
15. ## MATH HELP!

Help with any of these would be greatly appreciated! THANK YOU! 2. How would i determine the values of 'k' if the graph y=2x^2-2x+3k intersects the x-axis at two distinct points? 3. The path of a basketball can be modeled by the equation h(d)=-0.13d^2+d+2.

asked by Rachel on July 24, 2008
16. ## Math

Solve the system of equations to find x,y,z (hint let d=x2 e=y2 and d=z2 . Find d e and f first) !!where ever you see 2 it's supposed to be a squared sign. I've seen questions answered similar to this but I don't understand how to get z^2 and y^2

asked by Anonymous on October 1, 2017
17. ## math

Four years from now Emily will be as old as Cathy is now. Seven years ago, the sum of their ages was 22. Write a system of equations to model this situation and solve it using substitution to determine how old the girls are now.

asked by jordan on December 13, 2015
18. ## college chemistry

Suppose you have a 0.200 M solution of the nitrogen-containing weak base NX. Suppose you wish to titrate 25 mL of this 0.200 M NX solution with a 0.100 M solution of the strong acid HNO3. Given that the Kb value of NX is 6.50x10-5, complete each of the

asked by Aubree on April 21, 2010
19. ## SCI 241

Describe, in 200 to 300 words, the path food follows through the digestive system and how digestion occurs in each of the following parts of the digestive system. Be sure to include descriptions of other organs or components of the digestive system,

asked by PARADISE on February 14, 2009
20. ## Ethics

What are the fundamental values of each of these health systems: The system In Mexico, the system in Canada, the system in the United Kingdom, and the system in the United States? I think it has to do with comparison of the healthcare systems in Canada and

asked by Anonymous on April 3, 2017
21. ## math

how do i find the unit rate of 6. bike 21 km in 50 min 7. earn \$18 for 1 hr 15 min work 8. sew 9 curtain panels in 15 days 9. Wyatt spent of his money on a train set and on tickets to a play. He now has \$18. How much money did Wyatt start with? Explain why

asked by rebecca on September 30, 2009
22. ## Chemistry

A sample of solid Ca(OH)2 is stirred in water at 30°C until the solution contains as much dissolved Ca(OH)2 as it can hold. A 100.-mL sample of this solution is withdrawn and titrated with 5.00 X 10^-2 M HBr. It requires 48.8 mL of the acid solution for

asked by Candice on February 17, 2010
23. ## Math

Melanie needs 75% of sugar solution to conduct an experiment.However she only has 40% and90% sugar solution available .how much each solution must she use in order to obtain 60L of the75% of solution? Please answer now , it's very important!!

asked by Samar on March 1, 2017
24. ## Chemistry

I can't figure out how to set up this problem...You have a large amount of 8.00 M stock solution. You need 1.80L of 3.00 M solution for an experiment. How would you prepare the desired solution without wasting any stock solution?

asked by Nicole on October 5, 2011
25. ## Math

A pharmacist is to prepare a 50 fluid ounce solution that contains 54% glucose. The pharmacy has a 30% solution and a 90% solution on hand. How many ounces of each solution should be mixed to prepare the desired perscription?

asked by Madison on February 26, 2010
26. ## Chemistry

the density of a certain aqueous solution is 1.17g/ml, and the solution is 3.57% by mass NaOH. how many ml of this solution would you need to use in order to prepare 100.0 ml of .150 M NaOH solution? I'm not sure where to start and what the process to go

asked by Lyndsey on September 7, 2008
27. ## chemistry

220 ml of an HCl solution that is 31.4% by mass is required to neutralize .50 gal of the chlorine solution. what is the molarity of the OH- of the clorine solution? chlorine solution is NaOCl in NaOH

asked by Bob on April 19, 2011
28. ## Math

How many ounces of pure water should be added to 20 ounces of a 40 percent solution of muriatic acid to obtain a 30 percent solution of muriatic acid? How to solve

asked by A on September 16, 2010
29. ## CHEMISTRY

How would you prepare 750 ml of a 10 fold dilution of a 17 M solution of acetic acid? How would you prepare 200 ml of a 20 fold dilution of a 17 M solution of acetic acid? please explain and show me the calculations.

asked by rockey on March 31, 2016
30. ## math

solve the system of equations for x and y { x^2 - 11x -y =-24 x^2 - 11x + y = -24

asked by jessie on August 31, 2016
31. ## MATH

Solve this system of equations. 3x+y+60=180      5y-5+2x=180

asked by Jen on January 25, 2009
32. ## Vectors

How to solve a system of equations if there are FOUR equations with THREE unknowns?

asked by vectors123 on August 28, 2013
33. ## math/algebrall

solve the system of equations:4x - 3y equals 14 and y equals -3x plus 4 i think its either 1(4,10) (2,2)

asked by Anonymous, on August 13, 2008
34. ## biology

A red blood cell is placed into each of the following solutions. Indicate whether crenation, hemolysis, or neither will occur. Solution A: 3.21% (m/v) NaCl Solution B: 1.65% (m/v) glucose Solution C: distilled H2O Solution D: 6.97% (m/v) glucose Solution

asked by sol on September 29, 2011
35. ## Science Experiment

I had three pieces of potato. I put one in a 5% solution, second one in a 1% solution, and the third one in a .1%. The 5% solution turned the potato black. The 1% solution had no effect. The .1% turned the potato blue. How does the concentration of a

asked by Jennifer on September 14, 2008
36. ## math

Here's my question: Fireworks are to be launched from a platform at the base of a hill. Using the top of the platform as the origin and taking some measurements, it was determined that the cross-section of the slope of one side of the hill is y=4x-12 If

asked by Alex on January 26, 2015
37. ## Chemistry

a) 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? b) 150 mL of water is added to 50 mL of the solution produced in question 3.

asked by Anonymous on October 17, 2013
38. ## chemistry

if the pH of a half-neutralized acid solution is 5.4, how would you find the [H+] of the the solution. There is 1.0 g of L-ascorbic acid which was dissolved in 100 ml of water. That solution was split in two and 50 ml of the solution was titrated with 0.2

asked by tom on April 17, 2008

a) 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? b) 150 mL of water is added to 50 mL of the solution produced in question 3.

asked by Anonymous on October 17, 2013
40. ## Computer

How do you solve this algorithm problem? Suppose that you are given a sequence of n elements to sort. The input sequence consists of n/k subsequences, each containing k elements. The elements in a given subsequence are all smaller than the elements in the

asked by Jeremy on October 8, 2013
41. ## Algebra 2

I need help factoring... I refuse to just sit there and play little games in my head trying to get numbers that fit... I'd rather thing of it as solving for X then going in backwards as that makes much more sense to me... So I'm given 16c^2 - 64 and i'm

asked by Algebra 2 on April 2, 2009
42. ## physics

A massless rod of length 1.00 m has a 2.00-kg mass attached to one end and a 3.00-kg mass attached to the other. The system rotates about a fixed axis perpendicular to the rod that passes through the rod 30.0 cm from the end with the 3.00-kg mass attached.

asked by tuni on June 24, 2012
43. ## Math

Cafeteria Lunch Buffet A cafeteria lunch buffet has the salads shown. 6 chicken salads 10 egg salads 8 tuna salads p pasta salads The cafeteria workers plan to make twice as many fruit salads as tuna salads and pasta salads combined. Part A Using p to

asked by Anonymous on March 23, 2015
44. ## Math

Cafeteria Lunch Buffet A cafeteria lunch buffet has the salads shown. 6 chicken salads 10 egg salads 8 tuna salads p pasta salads The cafeteria workers plan to make twice as many fruit salads as tuna salads and pasta salads combined. Part A Using p to

asked by Anonymous on March 23, 2015
45. ## chemistry

An 80.0-gram sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was done by the system and its internal energy increased by 8305 J. What is the specific heat of the gas?

asked by sam on October 27, 2016
46. ## chemistry

An 80.0-gram sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was done by the system and its internal energy increased by 8305 J. What is the specific heat of the gas?

asked by sam on October 27, 2016
47. ## chemistry

An 80.0-gram sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was done by the system and its internal energy increased by 6365 J. What is the specific heat of the gas?

asked by meg on February 23, 2015
48. ## chemistry

An 80.0-gram sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was done by the system and its internal energy increased by 8905 J. What is the specific heat of the gas?

asked by cassie on June 21, 2012
49. ## chemistry

An 80.0-gram sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was done by the system and its internal energy increased by 8305 J. What is the specific heat of the gas?

asked by anon on October 28, 2016
50. ## Physics

An electric motor exert a constant torque of 10Nm on a grindstone about the shaft is 2.0kg/m². If the system starts from rest, find the work done by the motor in 8sec.

asked by Mjay on April 2, 2018
51. ## Chem

An 80.0-gram sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was done by the system and its internal energy increased by 6635 J. What is the specific heat of the gas?

asked by James on October 6, 2013
52. ## Chem

An 80.0-gram sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was done by the system and its internal energy increased by 6635 J. What is the specific heat of the gas?

asked by James on October 6, 2013
53. ## intermediate algebra

solve an inequality and indicate the solution set, in interval notation. i need the steps that way i can study it and try to do the rest on my own. 3x+1>2andx-2

asked by suzy on September 25, 2012
54. ## Algebra 2

what is the positive solution of the equation x^2 - 3x = 1? solve by using a table or by graphing. if necessary, round your answer to the nearest hundredth.

asked by Zach on December 8, 2014
55. ## Chemistry

Dr bob for this question :Calculate the molar solubility of manganese II hydroxide in ph 12.85 solution. The Ksp is 2.1 x 10^-13 but I can't solve for x thanks.

asked by Anonymous on May 26, 2014
56. ## algebra

Pleas help with this. Explain the steps so I can understand what I am doing. solve 0.3x + 9

asked by algebra on September 11, 2009
57. ## college algebra

solve the following exponential equation. 7^x=8 a. x= Write in exact solution b. then with that answer move the decimal 3 points over

asked by confused on November 27, 2012
58. ## Chem

What is the hydroxide ion concentration of a solution prepared by dissolving 0.488 g of Mg(OH)2 in 236 mL of water? How do I solve this???

asked by Carrie on July 25, 2012
59. ## algebra

solve the formula for the indicated variable. B=yw+y for w the solution is w= ? I have solved similar problems such as this but extra letter throws me off... can someone please help me?

asked by Anonymous on September 26, 2009
60. ## Algebra

Solve using qaudractic formula.Then use a calculator to aproximate to three decimal places,the solution as rational numbers x^2-4x+1=0

asked by Sarah on February 16, 2011
61. ## Math

Elena wrote the equation 5x = 25. She wants to multiply 25 by 5 to solve it. Does this make sense? Explain why or why not, and then give the solution.

asked by DA QUEEN on February 7, 2018
62. ## Chem

What is the original molarity of a solution of ammonia whose pH is 11.11 okay i tried to convert to pOH- so i got 2.89 and then to [OH]=1.288e-3 and then solve using Kb=1.8e-5 whats going wrong???

asked by Jason on February 14, 2009
63. ## Algebra 2

what is the positive solution of the equation 3x^2 - 5x - 7 =0? solve by using a table or by graphing. if necessary, round your answer to the nearest hundredth.

asked by Zach on December 8, 2014
64. ## math c30

Solve cosxtanx + root3cosx - root3/2tanx - 3/2 = 0 exact answers and formula for general solution

asked by don on November 5, 2011
65. ## chemistry

How do I solve this? How many grams of solid NaOH are required to prepare 200 mL of a 0.05 M solution? What will be the concentration expressed in % W/V?

asked by stew on February 1, 2008
66. ## Algerbra 1B

Solve Each Sysem Using Substitution. Check ach solution. a = 2/5b -3 a = 2b - 18 c = 3d - 27 4d + 10c = 120 Thanks, hope someone helps

asked by dillon on January 24, 2008
67. ## chemistry

how do you solve this problem?? What is the original molarity of a solution of formic acid (HCOOH) whose pH is 3.26 at equilibrium? the answer is 2.3 x 10^-3M.

asked by jin on July 4, 2010
68. ## calculus

solve the logarithmic equation. Be sure to reject any value of x that is not in the domain. In square root x+7=1 x= ? What is the decimal approximation to the solution? x= ?

asked by NayNay on January 1, 2013
69. ## algebra

Solve using qaudractic formula.Then use a calculator to approximate to three decimal places, the solution as rational numbers. X^2-4x+1=0

asked by Lisa on February 15, 2011
70. ## Algerbra 1B

Solve Each Sysem Using Substitution. Check ach solution. a = 2/5b -3 a = 2b - 18 c = 3d - 27 4d + 10c = 120 Thanks, hope someone helps

asked by dillon on January 24, 2008
71. ## Algebra

1. Solve for x. Collect xs on the LEFT side. The solution should be presented with x first, the correct inequality symbol, then the number. 5(2x – 7) < -8

asked by JoAnn on July 16, 2008
72. ## Algebra 2

what is the positive solution of the equation 1/2x^2 -3x =5? solve by using a table or by graphing. if necessary, round your answer to the nearest hundredth.

asked by Zach on December 8, 2014
73. ## Algerbra

Let a, b, c and d all be real numbers and let x, y and z be variables. What is the solution (solve for x) to the equation a(x+y) + bz + c = d and state any restrictions (you cannot divide by zero). I'm lost for this... Can someone help me?

asked by BK on September 16, 2016
74. ## Logarithms

Solve the following equations for x and check the solution using log. 2^6x-1 = 28 The answer is log56/6log2. Explain each step.

asked by Bobby on November 7, 2015
75. ## Cost accounting

CleanSweep produces outdoor brooms. On April 30, 2008, the firm had 7,200 units in process that were 60 percent complete as to material, 40 percent complete as to direct labor, and 20 percent complete as to overhead. During May, 374,000 brooms were

asked by Danny on October 14, 2009
76. ## Medical Information Management

You're the new supervisor for the filing area of the health information management department. You notice a large rate of misfiles using the terminal digit filing system.What is the best approach to address the problem? A. Eliminate the terminal digit

asked by Jessica on January 22, 2011
77. ## Chemistry

We conducted an expirement to detect disulphide groups in protein. One tube(lysozyme) contained unkowns, had approx 9.34 micromoles of disulphide groups. The question asks me to work backwards through all the dilution factors taken to give number of

78. ## Science

We conducted an expirement to detect disulphide groups in protein. One tube(lysozyme) contained unkowns, had approx 9.34 micromoles of disulphide groups. The question asks me to work backwards through all the dilution factors taken to give number of

asked by Shri on March 29, 2012
79. ## math,help

okay i am getting confuse with the decimals and fractions in order to make a table for the following problem.can someone help me make the tables the problem reads as follows. solve the system. 5x-3y=13 4x-3y=11 Now, i know i have to break them to the form

asked by jasmine20 on April 15, 2007
80. ## chem!

You work with the following system: 2X(g) Y(g) At, equilibrium, [Y]=3[X]. If K=10, calculate the [Y] at equilibrium.

asked by scilover on April 21, 2013
81. ## chemistry

You work with the following system: 2X(g) Y(g) At, equilibrium, [Y]=3[X]. If K=10, calculate the [Y] at equilibrium.

asked by Katie on May 10, 2012

You work with the following system: 2X(g) Y(g) At, equilibrium, [Y]=3[X]. If K=10, calculate the [Y] at equilibrium.

asked by scilover on April 23, 2013
83. ## Algebra (check answers)

Could you please check my answers we are using substitution to solve each system of equations. And at the end of every solution you are supposed to have an answer as a coordinate. 1. x=2y x+y=3 Answer (1,2) 2. 2y=3 x-y=10 Answer: (10,10) 3. y=x+7 x+2y= -21

asked by Stacie on April 27, 2009
84. ## sixth grade math

The poster shows how many of its games the football team has won so far. Express this information as a fraction, a percent, and as a decimal. Can someone show me how to solve this problem?

asked by chris on November 12, 2014
85. ## Trig

2cos^2Beta-Cosbeta=0 (find all solutions for the equation in the interval 0, 2 pi). I have no idea how to go about doing this. Do you isolate the beta on one side? Would you be able to show me how and I'll solve for you to check?

asked by Janie on January 24, 2010
86. ## Math

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. [ x | -2 | -1 | 0 | 1 | 2 |] [ y | ? | ? | ? | ?| ? |] Use the function rule to complete the table. −10x+y=4 PLEASE HELP!

asked by A.man.Guy on February 8, 2019
87. ## math

plz someone help??? I have no Idea how to do this Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Find the function rule. x –2 –1 0 1 2 y 9 4 –1 –6 –11

asked by :( on March 6, 2019
88. ## Computer Architecture/Assembly Question - Amdahl's

Can someone show me how to solve this problem? For a program that is 70% parallelizable, what will be the speedup relative to a uniprocessor from running it on a 4,8, and 16 way multiprocessor assuming perfect load balancing. Thanks!

asked by Fred on June 24, 2015
89. ## Algebra

The Royal Tyrell Museum offers group tours for\$15.85 plus \$3.50 per person. How many people could go on a tour for \$36.85?Create an equation for this and solve. *please show me how to do this not just the answer thank you*

asked by Cherie on May 28, 2019
90. ## Chemistry

What volume of 0.300 M Na3PO4 is required to precipitate all the lead(II) ions from 130.0 mL of 0.400 M Pb(NO3)2? Can you please show the steps I have no idea how to solve

asked by Ashley on June 21, 2013
91. ## Precalculus

How do you solve this problem: sin(90* - x) ----------------- cot^2(90* - x) + 1 The * is a degree symbol!! I haven't seen any problems with degrees in it, usually it's only a variable! If anyone could give me guidelines or show me where to start, I'd

asked by Anna on January 23, 2013
92. ## Math 222

I am having difficulties trying to do rational expressions. I have to use the words Domain, Excluded Value, Set, Factor, and Real Numbers to show how I got the answer. Can someone please help me solve this one? g^2-6g-55 ___________ g

asked by Marissa on February 19, 2015
93. ## Geometry

In the △PQR, PQ = 39 in, PR = 17 in, and the altitude PN = 15 in. Find QR. can u guys show how to solve the problem(plz include answer) i got 42 by using the pythagorean theorem i am not sure if i am correct but can u check it

asked by Allie on February 17, 2017
94. ## American Gov't

Which is NOT a factor that reinforces America's two-party system? 1.)Broad ideological consensus limits the appeal of radical parties. 2.)The winner-take-all system makes it harder for third parties to gain popularity. 3.)The two-party system was preferred

asked by Mackenzie on February 28, 2012
95. ## chemistry grade 12

Question: Balance the following reactions by the oxidation number method. a) I2 + HNO3 --> HIO3 + NO2 + H2O b) MnO4- + H+ + Cl- --> Mn2+ + Cl2 + H2O I know how to give each atom oxidation number but after i don't know how to apply the method.

asked by Ron on November 17, 2009
96. ## Science

A force of 100 newtons was necessary to lift a rock. A total of 150 joules of work was done. how far was the rock lifted? Work=force*distance. solve for distance in meters. plesa help me on my homework come on do it plesa plesa plesa is my last time

asked by jojo on March 3, 2007
97. ## Chemistry

A solution is created by dissolving 13.0 grams of ammonium chloride in enough water to make 265 mL of solution. How many moles of ammonium chloride are present in the resulting solution? When thinking about the amount of solute present in a solution,

asked by Onye on March 3, 2018
98. ## english

Can anyone provide me with some statistics or graphs or evidence of how an better security system can increase the number of users for online banking? I need to show this in a form of visual data so graphs or statistics that I can use?

asked by sarah M on September 21, 2018
99. ## Calculus

Here is my problem that I am trying to work on: A rock is dropped from the top of a 300-ft cliff. It's velocity at time t seconds is v(t0= -32 t feet per second. a.) Find the height of the rock above the ground at time t. b.) How long will the rock take to

asked by Caitlin on May 11, 2009
100. ## Math

The volume of the solid obtained by rotating the region bounded by y=e^x, y=Inx, x=1, and x=2 about the line y-axis can be computed using the method of cylindrical shells. Using the method of cylindrical shells find the volume.

asked by Lexi on February 4, 2018