# hey guys, i follow you up to the point of intergrating the final line. How would I intergrate [x^-2.e^-x] dx thx

49,088 questions, page 220
1. ## art 101

What is a vanishing point?

asked by rmz on April 9, 2010
2. ## Math

Name the point with the given coordinates (4,-2).

asked by Joshua on March 5, 2017
3. ## geometry

which point is the midpoint of AE if A=-6, B=-4, C=-2, D=1, E=8

asked by karina on September 7, 2015
4. ## math

If the point (6, -12) is on the graph of y=f(x), which point must be on the graph of y=f((-1/3x)+6)? so far, I have y=f(-1/3(x-18))

asked by sh on June 16, 2009
5. ## Geometry

Is it possible for AB =10 BC =2x+5 AC =5x given that point B is midpoint why or why not

asked by Kaya on June 3, 2014
6. ## bearing

from a point p,the bearing of q is 30

asked by tori-ann on April 3, 2012
7. ## geomatry

point a (-10,-6)and b (6,2) are the endpoints of ab

asked by jasmine on September 11, 2017
8. ## Chemistry

What does equivalence point mean?

asked by Anonymous on April 18, 2010
9. ## geometry

[1.04] If B is between A and C, AB=2x-1, BC=3x+5 and AC=24, what is the value of AB? Segment A C contains point B.

asked by brandon smith on October 2, 2013
10. ## maths

the turning point for y=x^2-8x+2 is: A: (2,-16) B: (16,2) C: (8,-2) D: (-8,2) E: (4,-14)

asked by josh on October 16, 2012
11. ## math

what point of f(x)= e^(1-x^2) is concave down? I think it is -3/2

asked by james on December 6, 2015
12. ## Math

The derivative of y= x2-3x at the point (0,0)is?

asked by Steph on July 25, 2008
13. ## calculus

If (a,-12)is a point on the graph of y=x^2+7, what is a?

asked by Holly on December 7, 2012
14. ## algerbra

point b is the midpoint of ac. what is the value of a? c(-3a,6/7a)

asked by trevor on September 1, 2011
15. ## math in general

what is the point of proofs?

asked by Kevin on November 21, 2007
16. ## math

Which point is located at (– 3 , – 2)?

asked by help on October 19, 2017
17. ## calculus

what point of f(x)= e^(1-x^2) is concave down? I think it is 1/2 but I'm not sure

asked by tedd on December 6, 2015
18. ## algebra

How do you slide a point from (0,-2) to (3.5,5)?

asked by Michaela on January 2, 2013
19. ## geometry

Is it possible for AB = 10, BC = 2x + 5 and AC = 5x, given that point B is the midpoint?

asked by Misty on March 26, 2011
20. ## Math plz help

Name a point on the graph of y = 2x + 3. A. (1, 6) B. (1, 5) C. (0, 5) D. (1, 3)

asked by Diane on June 4, 2013
21. ## Math help please Ms. Sue

7. 2x + 3(x – 2) – 3(x – 6) (1 point) 2x + 12 2x – 8 8x – 24 2x – 24 I do not understand how to do this.

asked by ? on January 23, 2013
22. ## Math

What’s the coordinates of point A

asked by Michael on March 21, 2019
23. ## Math

Find the point that is 3/4 the way from A(-2,-6) to B(8,10)

asked by Paul Moore on July 26, 2011
24. ## algebra, i just dont get it?!

point slope?

asked by ariana on November 20, 2008
25. ## geometry

The point A(-8, 6) is translated using T: (x,y) → (x + 5. y - 4).

asked by m on June 4, 2016
26. ## Math practice test

Which point is located at (-3, -2)

asked by Maytag on October 28, 2016
27. ## analysis

why is 0 a limit point

asked by frederick on February 17, 2016
28. ## Science

When heating something in this, never point it at yourself or anyone else.

asked by Lesa on August 11, 2008
29. ## geometry

2. Point B is between A and C. If BC = 11 cm and AC = 17 cm, what is AB? (Points : 3)

asked by Fifi on August 29, 2011
30. ## chemistry

Boiling point

asked by Anonymous on September 24, 2011
31. ## algebra

Breakeven Point = \$55 (\$15 - \$4)

asked by howard on February 6, 2012
32. ## physics

what is tripple point?

asked by promise on January 31, 2016
33. ## Calculus

Let x^3 + y^3 = 28. Find f''(x) at the point (3,1). Thank you very much for your help.

asked by Jake UCD 11/5/11 on November 5, 2011
34. ## Math

What will be the value of x in the equation 4x^2 - x = 0? A. 1 B. 4 C. 0 , 1 / 4 D. 18 ----------------------------------------------------------------------------------------------------4x^2 - x = 0 4x^2 - x + x = 0 + x 4x^2 = x I'm not sure what to do

asked by Anonymous on November 13, 2018
35. ## Calculus

Inflection point of 3y=x^3+3x^2-9x+3

asked by Shery on May 18, 2016
36. ## math

If (3, b) is a point on the graph of 3x - 2y = 17, what is b? -4 4 11/3 23/3

asked by jack on May 18, 2011
37. ## pre cal

If the point (40,3) is on the graph of y=f(x), what point must be on the graph of y=8f(8x)? The point (?,?) must be on the new graph.

asked by Anonymous on July 17, 2016
38. ## physical

What is pressure point?

asked by Justin on February 28, 2010
39. ## math

the turning point for y= x^2-8x+2 is: A (2,-16) B (16,2) C (8,-2) D (-8,2) E (4,-14)

asked by josh on October 16, 2012
40. ## ss

who was the riveter 1 point)

asked by yes on March 18, 2017
41. ## chemistry

If a hot piece of metal (at 80 degrees Celsius) is placed in cold water (10 degrees Celsius), what can you say about the final temperature of the water/metal mixture? If you wanted a more accurate answer, what other information would you need?

asked by jean luc on April 29, 2008
42. ## physical science

a 1.0 kg sample of metal with a specific heat of 0.50KJ/kgCis heated to 100.0C and then placed in a 50.0g sample of water at 20.0C. What is the final temperature of the metal and the water? I can't figure this out. Is the answer room temperature???

asked by nate on November 7, 2007
43. ## Science

A 500 mL bottle of water, which is at 25 degrees C, is poured over 120 g of ice at -8 degrees C. What will be the final temperature of the water when all the ice has melted. Assume that container is insulated and does not change temperature.

asked by Bert on January 20, 2010
44. ## Physics2

A 2.0-microFarad capacitor is charged to 50V and then connected in parallel (positive to positive plate) with a 4.0-microFarad capacitor charged to 100V. (a) What are the final charges on the capacitors? (b) What is the potential difference across each?

45. ## chemistry

One piece of copper jewelry at 104°C has exactly twice the mass of another piece, which is at 43.0°C. Both pieces are placed inside a calorimeter whose heat capacity is negligible. What is the final temperature inside the calorimeter (c of copper = 0.387

asked by mara on October 23, 2015
46. ## Physical Science

The specific heat of granite is 0.80 kJ/kg*Celsius. If 1.6 MJ of heat are added to a 100-kg granite of statue of James Prescott Joule that is origanlly at 18 degrees Celsius, what is the final temperture of the statue?

47. ## CHEM

One piece of copper jewelry at 101°C has exactly twice the mass of another piece, which is at 36.0°C. Both pieces are placed inside a calorimeter whose heat capacity is negligible. What is the final temperature inside the calorimeter (c of copper = 0.387

asked by Cory on October 20, 2010
48. ## Biochemistry

A gaseous system undergoes a change in temperature and volume. What is the entropy change for a particle in this system if the final number of microstates is 0.503 times that of the initial number of microstates?

asked by Mi on May 7, 2015
49. ## inorganic chemistry

In the final step of making the nitro complex it involves the addtion of concentrated HCl. What are the role(s) of the HCl in this step of the synthesis? nitro complex: [Co(NH3)5(NO2)]Cl2

asked by jane on March 22, 2010
50. ## chemistry

6. Compound C (MW = 550) is provided at a concentration of 25g/100mL. 1mL is taken and compound D is to be added (MW = 1025, concentration = 75mM) to give a final ratio of compound C:D of 4:1. What volume of compound D is to be added?

asked by jenny on December 8, 2011
51. ## chemistry

How much heat is absorbed by a persons hand if 100 grams of liquid water at 100°C is poured on his hand? (Assume the final temperature of the water will be normal body temperature of 37°C

asked by Anonymous on July 10, 2012
52. ## Physics

Acceleration due to gravity is independent of mass, but the force is not. Determine the final velocity of the following objects and the force generated by the same objects as they are dropped from the given heights. 10 kg 2.5 meters 7 kg 5.5 meters 0.5 kg

asked by Anonymous on April 5, 2014
53. ## Math 2--questions

7. Find the sum. –14 + 7 + (–3) –24 –18 –10 *** –4 8. A scuba diver descends 350 feet and then another 120 feet. Express the diver’s final depth as an integer. –420 ft 420 ft ** –470 ft 470 ft

asked by Sally on September 27, 2014
54. ## science

Compound C (MW = 550) is provided at a concentration of 25g/100mL. 1mL is taken and compound D is to be added (MW = 1025, concentration = 75mM) to give a final ratio of compound C:D of 4:1. What volume of compound D is to be added?

asked by jake on December 9, 2011
55. ## Math

Ms. Snyder wants to buy a television at an electronics store. All televisions at the store are 3/4 of the original price, p. She has a \$40 discount coupon she will use during the sale. What equation should Ms. Snyder use to find the final price, f, of a

asked by Jessi on February 25, 2009
56. ## Science

A 500 mL bottle of water, which is at 25 degrees C, is poured over 120 g of ice at -8 degrees C. What will be the final temperature of the water when all the ice has melted. Assume that container is insulated and does not change temperature.

asked by Bert on January 21, 2010
57. ## Chemistry

One piece of copper jewelry at 101°C has exactly twice the mass of another piece, which is at 36.0°C. Both pieces are placed inside a calorimeter whose heat capacity is negligible. What is the final temperature inside the calorimeter (c of copper = 0.387

asked by Brittany on October 19, 2010
58. ## Chemistry

At equilibrium, the concentrations in this system were found to be [N2] = [O2] = 0.100 M and [NO] = 0.500 M. N2(g) + O2(g) 2NO(g) If more NO is added, bringing its concentration to 0.800 M, what will the final concentration of NO be after equilibrium is

asked by David on March 5, 2012
59. ## Chemistry

A quantity of 100 mL of .5M of HCl (aq) is mixed with 100 mL of .5M of NaOH (aq) in a constant pressure calorimeter. The initial temperature of the solutions is 22.30 C and the final temperature of the mixed solution is 25.00 C. What is "q" for solution

asked by Dante on April 8, 2012
60. ## programming

Write a program that asks for and reads the price of a book (it may have a decimal part), multiplies it by 7% sales tax and displays both the sales tax and final price of the book on the screen.

asked by Caren on February 8, 2013
61. ## physical science

How much heat is absorbed by a persons hand if 100 grams of liquid water at 100°C is poured on his hand? (Assume the final temperature of the water will be normal body temperature of 37°C)

asked by Holland on October 23, 2012
62. ## chemistry

Compound C (MW = 550) is provided at a concentration of 25g/100mL. 1mL is taken and compound D is to be added (MW = 1025, concentration = 75mM) to give a final ratio of compound C:D of 4:1. What volume of compound D is to be added?

asked by Bob on December 10, 2011
63. ## Statistics

What is the probability that the average lifetime of 25 bulbs would be no more than 1550 given mean of 1500 and standard deviation of 200 hours. I know that it is asking P(x less than or equal to 1550), x is 25, u equal 1500 and sd is 200. I'm having

asked by Lauren on April 17, 2017
64. ## physics

a compound microscope has an eyepiece of focal length 10 c.m and an objective of focal length 4c.m.the magnification of an object is placed at a distance of 5 c.m from the objective so that the final image is formed at the distance of distinct vision (20

asked by Asfand on November 8, 2016
65. ## Thermodynamics physics

A lead bullet moving at 204 m/s is stopped in a block of wood. All of the kinetic energy goes into heating the bullet. The initial temperature of the bullet is 25 degrees C. What is the final temperature of the bullet in degrees C

asked by Jacob on June 16, 2016
66. ## math test prep

Ms. Snyder wants to buy a television at an electronics store. All televisions at the store are 3 4 of the original price, p . She has a \$40 discount coupon she will use during the sale. Which equation should Ms. Snyder use to find the final price, f , of a

asked by destiny on March 30, 2011
67. ## Physics

A child on a sled is initially at rest on an icy horizontal surface. The sled is pushed until it reaches a final velocity of 7.00 m/s in a distance of 11.2 m. The coefficient of friction between the ice and runners of the sled is 0.200, and the weight of

asked by Rose Foley on October 5, 2014
68. ## physics

A cylinder with a movable piston holds 2.75 mol of argon gas at a constant temperature of 295 K. As the gas is compressed isothermally, its pressure increases from 101 kPa to 121 kPa. Find (a) the final volume of the gas, (b) the work done by the gas, and

asked by Matthias Schwartzkopf on October 31, 2011
69. ## physics

Consider the directions of the velocity and the acceleration vectors of an object in uniform circular motion. A. Both vectors point away from the center. B. The velocity points along the tangent, and the acceleration is zero, since the speed is constant.

asked by Idali on March 23, 2017
70. ## math

Starting at point P, a fly moves 1 foot east, 2 feet west, 3 feet east, 4 feet west, and continues alternately making east and west moves, each time lengthening the distance by 1 foot. a. In relation to point P, where is the fly after 50 moves? b. Where is

asked by Reed on February 8, 2012
71. ## Science Help

1.) A rail gun uses electromagnetic energy to accelerate objects quickly over a short distance. In an experiment, a 2.00 kg projectile remains on the rails of the gun for only 2.10x10-2 s, but in that time it goes from rest to a velocity of 4.00×103 m/s.

asked by Kenny on October 18, 2014
72. ## chemistry

Triple Point Clicker Challenge The Lewis structure for nitroglycerin is shown below. 1.00 mL of liquid nitroglycerin is placed in a sealed, reinforced, insulated steel box measuring 1.00 m on each side and filled with argon gas at 15.0 oC and 1.00 atm. The

asked by james on November 10, 2008
73. ## statistics

Evolutionary theories often emphasize that humans have adapted to their physical environment. One such theory hypothesizes that people should spontaneously follow a 24-hour cycle of sleeping and waking—even if they are not exposed to the usual pattern of

asked by Winnie on February 28, 2010
74. ## statistics

Evolutionary theories often emphasize that humans have adapted to their physical environment. One such theory hypothesizes that people should spontaneously follow a 24- hour cycle of sleeping and walking- even if they are not exposed to the usual pattern

asked by Jerry on July 18, 2009
75. ## psy315

Evolutionary theories often emphasize that humans have adapted to their physical environment. One such theory hypothesizes that people should spontaneously follow a 24-hour cycle of sleeping and waking—even if they are not exposed to the usual pattern of

asked by emmy on November 12, 2009
76. ## MATH! Urgent

umm suppose a parabola has a vertex at (0,2) and points (1,1) how would I derive the equation and focus, i've been trying to understand this for so long, I can't get it. Does this parabola have the equation (y-2)^2 = x and a focus of 1/4?? Is that

asked by sally on November 2, 2006
77. ## MATH

Choose the equation you can use to solve the following problem. Each cupcake costs \$4.00. How many cupcakes, x, are purchased if the total cost is \$36.00? 4+x=36 36-x=4 4x=36 x÷4+36 (1 point) 2. Choose the equations you can use to solve the following

asked by Anonymous on September 17, 2018
78. ## Algebra II

The graph of y = f(x - 3) is a _____ of the graph of y = f(x) A. Shift 3 units to the right B. Shift 3 units up C. Scale change of the output by a factor of -3 D. Scale change of the input by a factor of 3 If the point (1,3) is on the graph of y = f(x),

asked by Babygirl on September 18, 2018
79. ## Pre-Calculus(Trigonometry)

An 8-m boom is used to move a bundle of piping from point A to point B. Determine the exact vertical displacement of the of the boom when the operator moves it form 30 degrees to 60 degrees. (Just need work checked) ---------------------------------------

asked by Lucina on February 24, 2015
80. ## Dynamics

Two moving balls collide together. Determine the magnitude of their common final velocity. The first ball of mass o.5 kg and a velocity va = 3i+5j m/s. The second ball B has a mass of 1 kg and a velocity vb = 1.2i-j+1.8k m/s

asked by Rajan on July 31, 2012
81. ## 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
82. ## chemistry

An oxygen gas with a volume of 50 mL at a pressure of 1.5 atm . This gas is compressed up to 35 mL volume at constant temperature . Determine the final gas pressure

asked by bruge on January 26, 2016
83. ## Physics

A 50-g ice cube at is placed in an equal mass of water. What must the initial water temperature be if the final mixture still contains equal amounts of ice and water?

asked by Physics on September 21, 2017
84. ## chemistry

a student mixes 88.6g of water at 74.3 degree Celsius with 57.9g of water at 24.8 degree Celsius in an insulated flask.What is the final temperature of the combined water.

asked by asembi on November 2, 2011
85. ## 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
86. ## Physics

An aluminum baseball bat has a length of 0.87 m at a temperature of 20°C. When the temperature of the bat is raised, the bat lengthens by 0.00016 m. Determine the final temperature of the bat.

asked by Happy on April 6, 2008
87. ## chemistry

An oxygen gas with a volume of 50 mL at a pressure of 1.5 atm . This gas is compressed up to 35 mL volume at constant temperature . Determine the final gas pressure .

asked by bruge on January 25, 2016
88. ## Physics

An aluminum baseball bat has a length of 0.87 m at a temperature of 20°C. When the temperature of the bat is raised, the bat lengthens by 0.00016 m. Determine the final temperature of the bat. °C

asked by Will on April 4, 2008
89. ## thermochem

An unknown volume of water at 18.2°C is added to 27.0 mL of water at 36.7°C. If the final temperature is 23.5°C, what was the unknown volume? (Assume that no heat is lost to the surroundings; d of water is 1.00 g/mL.)

asked by james on October 5, 2008
90. ## Chemistry

Determine the final temperature of water if 17.6 kJ of heat is added to 350 g of water initially at a temperature of 24.10 C. (specific heat of water is 4.184 Jg^-1K^-1)

asked by Anonomous on March 18, 2017
91. ## IPC

A motorcyclist changes the velocity of his bike from 20.0 meters/second to 35.0 meters/second under a constant acceleration of 4.00 meters/second2. How long does it take the bike to reach the final velocity?

asked by andrea on September 23, 2015
92. ## Chemistry

When 112 g of water at a temperature of 22.5°C is mixed with 65.1 g of water at an unknown temperature, the final temperature of the resulting mixture is 46.3°C. What was the initial temperature of the second sample of water?

asked by Noelle on October 8, 2010
93. ## Chemistry

Determine the final temperature of water if 17.6 kJ of heat is added to 350 g of water initially at a temperature of 24.10 C. (specific heat of water is 4.184 Jg^-1K^-1)

asked by Anonomous on March 21, 2017
94. ## Microeconomics

A computer company produces affordable, easy-to-use home computer systems and has fixed costs of \$250. The marginal cost of producing computers is \$700 for the first computer, \$250 for the second, \$300 for the third, and \$350 for the fourth, \$400 for the

asked by Alexys8 on January 24, 2017
95. ## Chemistry (Combustion) formula question

Data; Volume of water, 100ml Room temp, 24C Initial water temp, 15C Final water temp, 30C Question: Calculate the mass of water heated. Hint: The density of the liquid water is 1.0g/ml. I have no idea how to do this. Can someone help? Thanks!

asked by Allyson on February 5, 2013
96. ## Physics

A ballistic pendulum consists of an arm of mass M and length L = 0.485 m. One end of the arm is pivoted so that the arm rotates freely in a vertical plane. Initially, the arm is motionless and hangs vertically from the pivot point. A projectile of the same

asked by Joe Frank on November 8, 2012
97. ## PHYSICS!!!

Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is 1.70 105 Pa and the pipe radius is 2.80 cm. At the higher point located at y = 2.50 m, the pressure is 1.22 105 Pa and the pipe

asked by k on November 11, 2012
98. ## Corporate Finance

Suppose you have been hired as a financial consultant to Defense Electronics, Inc. (DEI), a large, publicly traded firm that is the market share leader in radar detection systems (RDSs). The company is looking at setting up a manufacturing plant overseas

asked by Student on March 14, 2015
99. ## English

What does diverge mean in the following sentence? After traveling approximately 3.5 miles, the old highway will diverge. Stay in the left lane and follow until you see the new mall. a. the highway will end. b. the highway will divide into two lanes that go

asked by Anonymous on November 27, 2013
100. ## wRITINg

This experience has been more than fulfilling; it has shown me the road to something greater than responsibility, time management and responsibility. Children are the future and we impact the hope of the future today by our showing the many qualities that

asked by Rica on October 22, 2011