# 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 49
1. ## Physics

A 1000kg space craft at 500m/s is on a collision course with a 400kg satellite travelling at 700m/s. Their paths are converging at a 45 degree angle. After the collision, they remain locked together. a) calculate their final speed b) calculate the quantity

asked by Jon on December 15, 2010
2. ## Physics

A 1000kg space craft at 500m/s is on a collision course with a 400kg satellite travelling at 700m/s. Their paths are converging at a 45 degree angle. After the collision, they remain locked together. a) calculate their final speed b) calculate the quantity

asked by Jon on December 15, 2010
3. ## physics

I need help understanding these, please. Thanks! 1. A 2 kg body moves with constant velocity when a force of 10 N is applied. What is the coefficient of kinetic friction between the table and the body? (Would I use F=m*g for this??) 2. Which of the

asked by Ellie on October 4, 2015
4. ## Literature

Which statement best explains the effect of the point of view on the narration of Robinson Crusoe? A. The point of view allows the author to give the reader a "god's-eye view" of the events in the novel. B. The point of view allows the author to narrate

asked by Imari on January 3, 2019
5. ## Science HELP!!

LCL is the height where air has cooled to the dew point. We can calculate LCL using temperature and dew point at the surface. Like temperature dew point also decreases with height because of decreasing pressure. Dew point drops at the "dew Point Lapse Rate

asked by Danger girl on March 11, 2009
6. ## English

Which of the following elements should be included in your critical review? A. a narrative with plot line B. a main claim about two or more works C. graphics such as charts and tables D. third-person point of view E. an analysis of literary elements such

asked by Anonymous on February 12, 2019
7. ## math

how would you solve for y in this problem: x=(y^2+3y)^(1/3) I got: y= x^3/y - 3 ? and for this problem: x= 1/[(y^2+3y-5)^3] I got: y = y/x + 5/y - 3? However, I do not know how to solve for y explicitly. I don't think quadratic formula would work in these

asked by kristie on July 20, 2006
8. ## physics

A cylindrical ﬁshing reel has a mass of 0.899 kg and a radius of 5.21 cm. A friction clutch in the reel exerts a restraining torque of 1.43 N · m if a ﬁsh pulls on the line. The ﬁsherman gets a bite, and the reel begins to spin with an angular

asked by Jared on November 27, 2012
9. ## Math

The equation of line A is y = –9x + 8. Write an equation that represents a line that is perpendicular to line A.

asked by clary on May 27, 2012
10. ## Geometry

Write the translation that maps P(-4, 2) onto the point P ' (-1, -1)? What are the coordinates of the reflection of the point (5,1) over the line y = x? The coordinate notation for reflection over the y-axis is -?-. If a translation has a coordinate

asked by Diamond on July 31, 2014

1) Write the translation that maps P(-4, 2) onto the point P ' (-1, -1)? 2) What are the coordinates of the reflection of the point (5,1) over the line y = x? 3) The coordinate notation for reflection over the y-axis is -?-. 4) If a translation has a

asked by Lulu on July 31, 2014
12. ## strategic management

The purpose of this activity is to develop a research taxonomy related to the Strategic Management process. With this assignment, you are to investigate scholarly theories related to Strategic Management. The object of your taxonomy is to identify at least

asked by ishyta on September 21, 2009
13. ## physics

I have a diagram of a roller coaster. It starts at a height of 100m where the v=0, it then drops completely to the ground and then goes into a loop that is 75m high; the point where the loop starts is point A. From the loop, the track raises to e height of

asked by Linn on March 12, 2009

Find an equation of the line that is tangent to the graph of f and parallel to the given line. Function Line f(x) = 2x^2 6x – y + 4 = 0 I know i have to find derivative 1st which will be f'(x)=4x but then how to i find equation do i plug 6 in for x so

asked by Anonymous on February 14, 2012
15. ## MATH

Find an equation of the line that is tangent to the graph of f and parallel to the given line. Function Line f(x) = 2x^2 6x – y + 4 = 0 I know i have to find derivative 1st which will be f'(x)=4x but then how to i find equation do i plug 6 in for x so

asked by Anonymous on February 14, 2012
16. ## Calculus

1. use the definition mtan=(f(x)-f(x))/(x-a) to find the SLOPE of the line tangent to the graph of f at P. 2. Determine an equation of the tangent line at P. 3. Given 1 & 2, how would I plot the graph of f and the tangent line at P if : f(x)=x^2 +4,

17. ## Calculas

Find an equation of the line that is tangent to the graph of f and parallel to the given line. Function Line f(x) = 2x^2 6x – y + 4 = 0 I know i have to find derivative 1st which will be f'(x)=4x but then how to i find equation do i plug 6 in for x so

asked by Anonymous on February 14, 2012
18. ## math

There is on large rectangle ABCD, top line is AD and bottom is BC. A line is drawn from the top to bottom called GH. A line is drawn from left to right called EF. AEFG is Rectangle 1. EBHF is Rectangle 2. GHCD is Rectangle 3. All three rectangles are

asked by olav on December 11, 2010
19. ## maths lit,business studies,life science economics

what can i study for or what career field i should follow?

asked by karabo on January 20, 2015
20. ## English

why can't man's follow the flight of a song

asked by Raj on July 29, 2018
21. ## tourism.geography.maths lit.history

what career must i follow because im in grade 12 now.help me plz

asked by zahzah on June 1, 2015

I have to follow the pattern .125, .25, .375, .5 ?

asked by judy on September 6, 2013
23. ## MATH

WHAT WOULD BE THE NEXT NUMBER IN THESE PATTERNS AND WHAT RULE DO THEY FOLLOW? 2,7,6,11,10, 1,2,3,6,7,14,

asked by MELISSA on August 21, 2008
24. ## history, life science, cat, maths lit

What career path can I follow with these subjects?

asked by Pearl on August 17, 2014
25. ## chemisty

does NF3 follow the octet rule

asked by olivia on November 28, 2010
26. ## chemistry

does NOCL follow the octet rule

asked by olivia on November 28, 2010
27. ## maths lit,B.S,consumer studies,CAT,english,LO

Which degree must I study or which carreer can I follow

asked by mandla on January 17, 2016
28. ## English

what does it mean to follow in someones footsteps exceedingly?

asked by katie on May 31, 2013
29. ## life orientation

why do you think it is important to follow trends in workplace?

asked by Mahono wandile on August 22, 2018
30. ## Math literacy, Geography, Life science, Agriculture

Which career path can i follow with the subject above

asked by Tekanyo on January 15, 2016
31. ## math

i need the magic square from the follow numbers 3,4,5,6,7,8,9,10,11

asked by angel on September 15, 2010
32. ## science

how does a grassland follow conservation of mass

asked by holly on November 9, 2017
33. ## health/stats

can cholesterol follow a normal distribution exactly? why or why not?

asked by rebekah on October 17, 2014
34. ## English

Why do we have to follow school rules and regulation?

asked by TAP on November 27, 2016
35. ## Maths Literacy, Business studies, Economics, Accounting, English, Xhosa and Life orientation

Which careers could I possibly follow if i'm doing those subjects?

asked by Sinesipho Bonakele on December 12, 2015
36. ## Spelling

would "supply" follow the vcccv pattern?

asked by Mariah on November 2, 2010
37. ## history, life science, cat, maths lit

What career path can I follow with these subjects?

asked by Pearl on August 17, 2014
38. ## goegraphy,tourism,mathlit,lifeorientation,agricult

what career path can I follow if I am doing the above subjects

asked by ntandoyenkosi on April 19, 2016
39. ## English

1. This class is so difficult that I can't follow it. 2. This class is so difficult that I can't understand it. --------------- Does #1 mean #2? Does 'follow' mean 'understand'?

asked by rfvv on October 20, 2014

asked by mandla on January 6, 2016
41. ## Mathematics , business studies , economics , geography

Which courses or careers i should follow doing those subjects

asked by William on August 8, 2015
42. ## maths lit,life science, geography and economics

Which career should I follow with those subjects I don't know what to do

asked by Kedibone Evenia masipa on March 3, 2016
43. ## Algebra

How do you factor an x^3 as in x^3+5x^2+6? Is there a general rule you can follow?

asked by Jaz on November 22, 2009
44. ## chemistry

what elements follow the octet rule?

asked by Ann on November 9, 2012
45. ## math

1. the x-intercept of a line is -3. the y-intercept of the line is 6. what is the slope of the line? 2. what is the equation in slope-intercept form of the line described in Exercise 1?

asked by maya on April 22, 2009
46. ## slope

In a rectangle ABCD, the slope of line AB is 1 and the slope of line BC is -1/2. What is the slope of the altitude to line AD the altitude to line CD. Thanks in advance.

asked by jen on January 13, 2008
47. ## Esol

She was so mad on her boyfriend, she terminated/hanged up/hung up/yelled --him when he called. hung up is correct bc is pp of hang yes guys, am i right??

asked by Victoria on February 17, 2017
48. ## AP world

I can do research for a thesis on whatever AP World topic I want, but I can't find a favorite. Do you guys have any interesting topics you think would be nice to research?

asked by Sara on August 18, 2015
49. ## grammar

In the following sentences, what are the common and nouns? First sentence: Often on October outings, Otto offers oranges to officers. In this sentence I am confused by October. It seems like it should be a proper noun, but in a way it seems like it is

asked by Lisa on December 11, 2007
50. ## Physics

Recall that for a finite rod of length L and total charge Q, the electric field for a point located a perpendicular distance r from the middle of the rod has a magnitude given by: Consider the limit of large distances, where a finite charged rod is

asked by Julia on February 11, 2010
51. ## All of the Above

I know this is not a question, but make sure that you guys go over your answers. I have gotten a few wrong, just because I didn't go through my answers.

52. ## Chemistry Suspension Examples...

plz guys help me wer can i get examples of suspensions ineed it 3 examples i need

asked by just_me on July 8, 2009
53. ## Chemistry

If 125mL of a 1.10 NaCl solution is mixed with 105mL of a 0.850M CaCl2 solution but NO reaction takes place, calculate the final concentration of each of the ions in the final solution. Please reply with the steps on how to do this question so I can learn.

asked by bri on June 14, 2012
54. ## algebra

Find the slope of any line perpendicular to the line through the points (0,5) and (-3,-4) Write the equation of the line passing through each of the given pairs of points. Write the answer in slope-intercept form, where possible. (-1,3) and (4,-2)

asked by anonymous on December 8, 2007
55. ## geometry

Decide which one of the following statements is false. a. any three points lie on a distinct line. b. three noncollinear points determine a plane. c. a line contains at least two points. d. through any two distinct points there exists exactly one line. my

asked by alan on October 2, 2007
56. ## simple intrest

My daughter brought home a work sheet and I have no clue where to begin to help her and she seems to have no clue either. the questions are 1. Find the final balance in each account. \$800 at 4.25% simple intrest for 6 years 2. \$2,000 at 6% compounded

asked by Veronica on February 20, 2007
57. ## Calculus

Since f(x)=√(x-3) has an absolute minimum of 0 does its critical point exist? I'm really confused because someone mentioned that f(x)=√(x+3) does not have a critical point. Does that mean that if there is an end point there, there can't be a critical

asked by Isabella on January 12, 2016
58. ## physics

In order to make a jump a toy car has to reach a certain final velocity. If the car is traveling at 16.6 m/s [F] and can cover the distance of 3.93 m [F], in 0.27 s. What was the final velocity of the car?

asked by tracie on October 29, 2015
59. ## math

In a course a student's final exam is weighted as heavily as his mid term exam.if a student receives a score of 84 on his final exam 90 on his midterm,what is the average for the course?

asked by tish on June 10, 2016
60. ## Math / Algebra

Can you check my work? Thank you :) 1. The Domain of a function F is the same as the range of F^-1 (True or False?) Answer: True. 2. Does the function y = |x-2| have an inverse? Select the best answer. A. Yes, it passes the horizontal line test. B. No, it

asked by Allison on January 27, 2015
61. ## RESPONSE to PreCalc Question

h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 7 4 1 7 1 8 8 I don't follow your work Reiny ¡î3sinx + cosx = 1 ¡î3cosx = 1-cosx square both sides 3cos^2 x = 1 - 2cosx + cos^2 x 3(1-sin^2 x) = 1 - 2cosx + cos^2 x this

asked by Kate RESPONSE on March 1, 2010
62. ## Physics

A particle moving along a straight line with a constant acceleration of -4m/s*2 passes through a point A with a velocity of +8m/s at some movement find the distance travelled by the particle in 5sec after that movement? Ans:26m

asked by Thousif on October 6, 2017
63. ## calculus

5. Let for and f(x)=12X^2 for x>=0 and f(x)>=0 a. The line tangent to the graph of f at the point (k, f(k)) intercepts the x-axis at x = 4. What is the value of k? b. An isosceles triangle whose base is the interval from (0, 0) to (c, 0) has its vertex on

asked by Yoona on January 3, 2012

2.on which of the following lines does the point (7, 1) lie A. y - 5x = 4 B.y = x - 10 C. y=-4x + 3 D. y= -x + 8 Is it B? 3.Find the slope of the line through (-9, -10) & (-2, -5) A -5/7 B 7/5 C 5/7 D -7/5 Is it D? 10. The equation t=0.07c represents tax,

asked by on March 28, 2017
65. ## AP Calc

Hi, I have few problems that I really need help solving. I think I start out right but get messed up along the way and get the wrong answer...Any help is appreciated! thank you so much! find derivative of: 1) y=arctan 2^x 2) arctan(xy)= 1+x^2y Also... 3)

asked by zak on March 10, 2009
66. ## pre cal

Use the graph of f to estimate the local maximum and local minimum. A piecewise graph is shown with a line increasing to 0,-2 terminating at that point and a curve starting at 0,0 and intercepting the x axis at 0, pi, and 2pi. Please Help!!!

asked by Jorgeeee on June 24, 2014
67. ## calculus; implicit differentiation

Use implicit differentiation to find the slope of the tangent line to the curve at the point (4,1) -1x^2 - 4xy + 3y^3 = -29 I differentiated both sides and solved for dy/dx and got 2x-4y/9y^2-4x. Then I plugged in X and Y and got -4/7 but when i enter my

asked by Kim on November 5, 2009
68. ## Vectors

Determine the vector equation of a plane that contains the line with symmetric equation (x+3)/-2=(y+1)/5=(z+2)/4 and the point P(1,3,0). For this question to find the direction vector you would use subtraction with the points (-3,-1,-2) and (1,3,0). Why

asked by Sara on April 19, 2015
69. ## Calculus

Find the equation of the tangent to the graph of f(x)=2x^4 (to the power of 4) that has slope 1. Derivative is 8 x^3. This equals 1 at x = 1/2. At this point the y-coordinate is f(1/2) = 1/8. The equation of the tangent line is thus: 1/8 + 1*(x-1/2) = x -

asked by Aurora on March 8, 2007
70. ## trig

hey. show 2sin(pi/14) is a solution to x^3-x^2-2x+1=0 and hint: let x=2sinu and sin(7u)=1 i can't seem to solve when i sub in the x value. how can i relate this to the seventh root of inifinity. i multiplu by sin^4 but they it just doesnt work.

asked by alice on April 23, 2010
71. ## Physics

Hey can someone help me out? I only have 1 attempt left on this question and do not understand it at all!!! A 3.5 kg balloon is filled with helium ( density = 0.179 kg/m^3). If the balloon is a sphere with a radius of 5.2m , what is the maximum weight it

asked by Tommy on December 3, 2009
72. ## English/Geography HELP PLZ

Hey! Is Waltzing matilda iconic to australia? Does it negatively or positively reflect australia? I think maybe badly because of the rebellion in it but I need evidence supporting this. so far I know that it was sung in the cronulla riots but that's about

asked by Harriet on April 26, 2011
73. ## pre-algebra

Remember to show all of the steps that you use to solve the problem. At the halftime show, a marching band marched in formation. The lead drummer started at a point with coordinates (–2, –5) and moved 3 steps up and 1 step right. a. Write a rule to

asked by BleakTuber on December 10, 2018
74. ## Math-Factoring

Hey I need help factoring 5x^4-180x^2. I'm used to factoring with three numbers, and not two. How would you do just two like this? Thanks

asked by Greg on January 19, 2009
75. ## english

ideas plz on this question. "Imagine you are a 12 year old boy from Afghanistan who us newly arrived in Australia. Write a diary entry on your first day of school." sooner the help the better, just saying. :) thanks guys.

asked by Al1ce on February 22, 2011
76. ## GEOGRAPHY

You guys are probably fed up of this question . Are all airbus wings transported by the river dee ,road and by air? the sites that have been suggested have only certain numbers of the planes. i only asked again because i don`t want to get it wrong.

77. ## Science

My teacher wants me to write a 7 paragraph essay on Interdependent Relationships in Ecosystems. I don't fully understand the topic, though I studied my textbook for about 45 minutes to and hour. I was wondering if you guys could help me. Thanks! ^-^

asked by Evalyn Carver on April 10, 2018
78. ## physics

The ball is in the pool (point A) to the edge of which is an observer (point B). A minimum distance ball from the edge of the pool is 36 m (point C), and an observer to that point has to walk along the edge of 42 m. a) If the speed of walking along the

asked by ruza on October 13, 2015
79. ## physics

A projectile is fired from the origin (at y = 0 m) as shown in the diagram. The initial velocity components are and The projectile reaches maximum height at point P, then it falls and strikes the ground at point Q, which is 20 m below the launch point.

asked by breanna on December 19, 2016
80. ## Chemistry

The following thermodynamic data was obtained for an unknown compound. Delta Hvap = 31.3 kj/mol and Delta S Vap= 79.7 kj/mol .Calculate the normal boiling point of this compound in Celcius.. Thank you! Chemistry - DrBob222, Tuesday, April 30, 2013 at

asked by Chloe on April 30, 2013

The following statement describes, in random order, events during the transmission of a nerve impulse. Use them to answer the next \g question(s). Event 1: Positive ions flow into the neuron. Event 2: The resting potential of the cell membrane is restored.

asked by Anonymous on February 21, 2007
82. ## Gr. 9 math

There is one large rectangle ABCD, top line is AD and bottom is BC. A vertical line is drawn from the top to bottom called GH (between points AD and BC). A line is drawn from left to right called EF (between points AB and GH). AEFG is Rectangle 1. EBHF is

asked by olav on December 12, 2010

There is one large rectangle ABCD, top line is AD and bottom is BC. A vertical line is drawn from the top to bottom called GH (between points AD and BC). A line is drawn from left to right called EF (between points AB and GH). AEFG is Rectangle 1. EBHF is

asked by olav on December 12, 2010
84. ## physics

(a) How high a hill can a car coast up (engine disengaged) if friction is negligible and its initial speed is 78.0 km/h? m (b) If, in actuality, a 750 kg car with an initial speed of 78.0 km/h is observed to coast up a hill to a height 12.0 m above its

asked by mike on August 4, 2014
85. ## physics

A 49.7-cm diameter disk rotates with a constant angular acceleration of 2.7 rad/s2. It starts from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk makes an angle of 57.3° with the positive x-axis at this

asked by Anonymous on October 23, 2010
86. ## calculus

let f be the function f(x) = x^3 + 3x^2 - x + 2 a. the tangent to the graph of f at the point P = (-2,8) intersects the graph of f again at the point Q. Find the coordinates of point Q. b. Find the coordinates of point R, the inflection point of the graph

asked by mary on March 23, 2010
87. ## Physics

1. A ball is projected horizontally from the edge of a table that is 4.0 meters high, and strikes the floor at a point 3.0 meters from a point on the floor directly below the edge of the table. The initial velocity of the ball as it is projected from the

asked by Sandhya on March 30, 2008
88. ## Language Art's

3. Read this line of dialogue spoken by British Lord Montague after the Boston Tea Party takes place. “Well, boys,” said a voice, so cold one hardly knew whether he spoke in anger or not, “you’ve had a fine, pleasant evening—for your Indian

asked by YRN DJ on January 5, 2016
89. ## physics

a ball rolls off the edge of a tabletop 1m above the floor and strikes the floor at a point 1.5m horizontally from the edge of the table. Find the (a) time of flight (b) initial velocity, (c) final velocity just before it strikes the floor. Plsssss help

asked by Katty on October 13, 2016
90. ## physics

a ball rolls off the edge of a tabletop 1m above the floor and strikes the floor at a point 1.5m horizontally from the edge of the table. Find the (a) time of flight (b) initial velocity, (c) final velocity just before it strikes the floor. Plsssss help

asked by Katty on October 6, 2016
91. ## Algebra

Please Check My Anwsers What is the slope of the line in the graph show below? /content/media/390571-1122011-42500-PM-1076804072.png A) -2 B) -1 C) 1 (My Choice) D) 2 Find the slope of a line that passes through (–2, –3) and (1, 1) A) 1/3 B) 1 C) 2 (My

asked by Anoamis =D on December 5, 2016
92. ## math

If you earn the grades of 81, 84, 78, 80 in four tests what should your final test’s score be in order to have an average of 81%? .81x400=324 Need a total of 324 pts Test grades so far 81,84,78,80 = 323 324-323=1 You need at least one more point to get

asked by Kay on September 10, 2009
93. ## Math Algebra

hi guys need help with a few questions. 1. Which equation represents the axis of symmetry of the function y = 2x^2+4x-6? A. y= 1 B. x= 1 C. x=3 D x= -3 2. & 3. What are the coordinates of the vertex of the graph of the function - 2. y = -x^2+6x-11 A.

asked by jack on March 16, 2017
94. ## math

How many plant should my uncle need to plant around his farm of a circular shape of a radius 140 m, If the distance between plants is 50cm? #Please guys i need your help#

asked by kelvin on May 19, 2018
95. ## Differential Equation

what is the differential equation of (1/x-y)dx- (1/y+x)dy=0. Kindly help me. I'm cramming for my exams and there were a lot of problem sets to be done. I hope you guys will help me with these. Thanks a lot in advance.

asked by shanel on September 9, 2017
96. ## 9th grade Science (Biology)

My question is: How does the diversion of groundwater for industrial uses affect water quality? -- I don't understand what diversion is, so at least maybe you guys could explain that. Thanks!

asked by Connor on August 1, 2010
97. ## Taxicabs

hey i am writing a paper on the new york city taxi cab medallion system and i am suppose to anyalze it and the role the goverenment plays in doing so. however i am very very stuck on outlining my paragarpahs in terms of what i should write about could you

asked by Shelly on August 6, 2005
98. ## Social Studies

Hey everyone! I was hoping if someone could assist me with this question which I need help with. q: Why did the Battle of Bloody Marsh start? Why were the Spanish and British conflicting? I tried researching it, but I couldn't find anything useful that

asked by Bonny the Horse on October 9, 2018
99. ## <Mail>

Hey. I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly. I am from Iran and now teach English, tell me whether I wrote the following sentence: "When you out in the public, do little things that put her

asked by <Mail> on December 22, 2008