# 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 261
1. ## Math

use absolute value to describe the relationships between a point total and the number of points needed?

2. ## science

If the object is moved to a point 3 cm away from the lens. what is the new position, height, nature of the image?

asked by Renu on January 22, 2014
3. ## Trig

The graph of y-7 cosθ + 24 sinθ would be a sinusoid if it were plotted. What would be the first positive value of θ at which there is a high point?

asked by Elle on April 22, 2015
4. ## school

make each point have its own room with 2 squares . . . . . . . . . We cannot figure this out and teacher does not tolerate mistakes

asked by liam on September 19, 2007
5. ## maths

E is the mid-point of median AD of the triangle ABC and BE is produced to meet AC at F. Show that AF = 1 1/2 AC

asked by manpreet on December 4, 2012
6. ## Math

Given the function f(x)= x^2-3 / x+1, what point on the graph corresponds to x=-2? I have no idea what to do. Am I suppose to plug in -2 into the equation?

asked by Hannah on October 7, 2010
7. ## Physics

What is the angular momentum (in J*s) of a mass of 1.45 kg which completes an orbit about a point 23.0 meters away every 5.30 seconds.

asked by Steeve on November 1, 2012
8. ## Chemistry

How many grams of KCl should be added to 1.5kg of water to lower its freezing point to -7.5°C

asked by Anonymous on August 21, 2016
9. ## U.S. History

List the key point of the 19th Amendment and discuss the effect it had on society.

asked by Drizzy Joven on April 27, 2013
10. ## Physics

How far (path length) does a point on the circumference travel if the wheel is rotated through an angle of 26.2°?

asked by Jackie on March 9, 2012
11. ## English Literature

Can anyone tell me which Play the Phrase, "Drama Kings and Queens, Unite!" came from ar at least point me in the right direction?

asked by Samuel on November 9, 2010
12. ## pre-cal

Find the terminal point determined by t.Please enter answer in ordered pair

asked by mookie on June 5, 2011
13. ## Math

1. What is the equation of the circle with center (-4,-3) that passes through the point (6,2)? A) (x-4)^2+(y-3)^2=25 B) (x-4)^2+(y-3)^2=125 C) (x-(-4))^2+(y-(-3))^2=25 D) (x-(-4))^2+(y-(-3))^2=25 I'm really not sure how to do this at all, so any help would

asked by Tim on June 7, 2016
14. ## math help

which measure correctly completes the statement. 1,127.5 milligrams = ? grams (1 point)

asked by larry on May 31, 2016
15. ## Math 7

which of the following has the lowest unit price? (1 point) A) 20lbs for $16.20 B) 26lbs for$23.40 C) 24lbs for $18.72 D) 22lbs for$18.70

asked by Math7 Plz Help on December 5, 2015
16. ## chemistry

THE FREEZING POINT OF BLOOD SERUM IS ABOUT 0.56 DEGREE CELSIUS WHAT IS ITS OSMOTIC PRESSURE

asked by JOVY on November 19, 2014
17. ## physics

three point charges-1*10^-6,-2*10^-6,3*10^-6.one kept at corners of an equilateral triangle of side 1m.what is potential at centre

asked by Anonymous on December 26, 2012
18. ## chemistry1

how much heat is needed to melt 25.4 grams of iodine at its melting point?(Hfusion+61.7J/g)

asked by kara on April 6, 2011
19. ## Another physics question...

Deduce the electric field strenght at a point midway between charges of 7.2*10^-6 C and -3.4*10^-6 C that are 2.0m apart from air. Thank you!

asked by Anonymous on February 24, 2009
20. ## Math (exam tomorrow)

For the function f(x)=3cos(2x),what is the first point where it is increasing the fastest? Also please tell me how you know or derived that! Thank you!!! Please answer ASAP

21. ## math

Find the inflection point(s), if any, of the function. (If an answer does not exist, enter DNE.) g(x)=9x^3-4x

asked by Britney on October 30, 2012
22. ## ELA

ms. Sue so i have point publity helps consumers to make theire choises

asked by anu on December 14, 2009
23. ## Social Studies

What point was Madison making about the system of government created by the proposed U.S. Constitution?

asked by S... on March 13, 2011
24. ## Science

I seem to be having a bit of trouble understanding the Darwin Theory. Do you think you could point me in the right direction? Thanks a bunch!

asked by Evalyn Carver on April 23, 2018
25. ## math

How to prove that the centre of a circle is the same as the intersection point of the diagonals of its cyclic quadrilateral ?

asked by Rohini on January 12, 2012
26. ## chem

which one has the highest boiling point based on its intermolecular weight: HF, NH3, HCl

asked by chenchen on October 30, 2012
27. ## chemistry

how do you know which bonds have a more pie bonding character than the other bond? and how do you know if it point to one resonance structure over the others?

asked by Judy on June 30, 2010
28. ## chemistry

which is a chemical property? volume, mass, melting point, flammability or temperature?

asked by Anonymous on October 5, 2010
29. ## physics

If a solid is stretched or compressed beyond the point that it can return to its original shape it has passed its

asked by cecilia on November 16, 2012
30. ## Chemistry

If a solution contains 0.65mol of OH−, how many moles of H+ would be required to reach the equivalence point in a titration?

asked by Will on November 16, 2014
31. ## chemistry

how do you know which bonds have a more pie bonding character than the other bond? and how do you know if it point to one resonance structure over the others?

asked by Jin on June 30, 2010
32. ## college organic chemistry

two substances,a and b have same melting point.How can you determine if they are the same without using any form of spectroscopy? Explain in detail.

asked by Anonymous on November 11, 2010
33. ## trig

16. Let W(ƒá ) be a point in Quadrant I on the unit circle with center O. W(ƒá )B is perpendicular to the x-axis at B, OB = 0.6. and W(ƒá )B ƒ­ 0.8. Find:

asked by Anonymous on March 6, 2012
34. ## geometry

ABCD is a parallegram.if AB =2AD and p CD middle point then descraibe m

asked by Anonymous on January 23, 2017
35. ## BEST

how do i calculate the point on the curve when the ordinate changes 8 times faster than abscissa in the equation 6y=x^3+2

asked by GK on June 18, 2013
36. ## physics

If a solid is stretched or compressed beyond the point that it can return to its original shape it has passed its

asked by Anonymous on December 19, 2013
37. ## geometry

diagonals of pqrs intersect each other at point a also ar = 3ap and as= 3aq, prove that sr =3pq

asked by rishi on May 15, 2013
38. ## Chemistry

What would be the problem with determining a IR spectrum on a liquid whose boiling point is 30 degrees celcius

asked by Leslie on October 19, 2014
39. ## chemistry

It requires 30ml of .5M H3PO4 to titrate 45ml of Ca(OH)2 to the equivalence point. What is the M of the base?

asked by corey on October 3, 2007
40. ## Biology

Describe how a sample of whole chloroplasts could be obtained from leaf tissue please could someone point me in the right direction

asked by Sam on September 27, 2007
41. ## english

at what point does abigail first began feeling cold?what effect does this event have on danforth?

asked by jose on May 17, 2011
42. ## Electronic Engineering

What are the advantages and disadvantages of using a cause register or vectored interrupts from a hardware point of view.

asked by Rachel on March 30, 2009
43. ## Implicit Functions

Find the slope of the tangent to the curve at the point specified. x^3+5x^2y+2y^2=4y+11 at (1,2) So far I simplified it to -(3x^2-10y/5x^2+4y-4) which I think then simplifies to -(8/3). What do I do from here....?

asked by George on November 7, 2008
44. ## maths

A circle passes throughthe origin and the point (5/2,1/2) and has 2y-3x=0 as a diameter. Find its equation.

asked by Sheelander on January 8, 2016
45. ## calculus (steps and explanation plz)

Find a curve y=f(x) with the following properties (i) y"=6x and (ii) its graph passes through the point (1,1) and has a horizontal tangent there.

asked by Linda on April 15, 2015
46. ## English

A thesis statement clarifies the main point an essay will make. I say true

asked by Ryan on December 13, 2017
47. ## Math

A man goes 7m east and then 24m to south. Find his distance from the starting point

asked by Jon on December 28, 2016
48. ## geometry

is it possible for two boxes to have the same volume, but different surface area's? give examples to prove your point. please help, cannot think of anything. THANKS =]

asked by Anonymous on April 1, 2009

the chord PQ joining the points P(2p, p^2) and Q(2q, q^2) on x^2 = 4ay always passes through the point A(2,0) when produced. show that (P+q) = pq thanks!

asked by Candice on October 20, 2012
50. ## Calculus: Determine the constants from function

The function h(x) = x^3 + bx^2 + d has a critical point at (2, -4). Determine the constants b and d and find the equation of h(x). IM SO CONFUSED :(

asked by mia on July 25, 2014
51. ## geometry

is it possible for two boxes to have the same volume, but different surface area's? give examples to prove your point. please help, cannot think of anything. THANKS =]

asked by Anonymous on April 1, 2009
52. ## science

from the point of view of a environmentalist , which is probably the most significant argument against offshore drillin for oil ?

asked by alicia on May 20, 2011
53. ## Calculus

Find the x-coordinates of any relative extrema and inflection point(s) for the function f(x) = 3x^(1/3) + 6x^(4/3). Please use an analysis of f ′(x) and f ′′(x).

asked by Mel on January 8, 2016
54. ## Chemistry II

Calculate the pH at the equivalence point in the titration of 50ml of 0.20 M methylamine (Kb=4.3*10^-4) with a 0.40 M HCL solution.

asked by Katie on May 3, 2013
55. ## ub

the segment joining (-1,4) and (-2,2) is extended three times its own length. find the point nearer to (-1,4)

asked by kiefer on December 2, 2015
56. ## chem 101

how much heat is required to melt 25.6g of solid diethyl ether(at its melting point)

asked by to on December 6, 2012
57. ## art

what is 2 point perspective? Is it drawing an object that has an agle facing straight outwards?

asked by margot on September 29, 2007
58. ## Parametric Equations

For the set of parametric equations x = 2t+1 and y = t^2-5, name the initial point on the graph on the interval -5

asked by David on June 9, 2016
59. ## physics

The distance between two charges q1 = -2.5 μC and q2 = 6.0 μC is equal to 1.0 m. Determine the point (other than infinity) at which the electric field is zero.

asked by THOMAS123 on January 12, 2016
60. ## Math

"Point B (4,0) is rotated 45 degrees clockwise about the origin. Write the exact coordinates of B'."

asked by Mikayla on March 6, 2018
61. ## calculus

What is the distance from the point P(x,y,z)to the z axis? Explain your answer by graphing. can anyone explian it to me plezzz

asked by mo on April 4, 2009
62. ## physics

What’s the direction of the electric field caused at the point (–2, 3) by an electron located at the origin?

asked by jeff on April 14, 2017
63. ## Math

The graphs of 5x-3y=35, 7x-3y=43, and 4x-ay=61 all intersect at the same point. Find the value of "a". Do I solve the systems and then plug in? I am not sure haha.

asked by Bella on May 27, 2015
64. ## Physics

Given that q = +17 mu C and d = 14 cm, find the magnitude of the net electrostatic force exerted on the point charge q2.

asked by Alice on April 3, 2011
65. ## physics

What’s the direction of the electric field caused at the point (–2, 3) by an electron located at the origin?

66. ## analytical chemistry

draw the complexation titration of 50ml of 0.1M MgCl2 with 0.2M EDTA(take aminimum of six point) kf=4.9*10^8?

asked by baynes on June 11, 2015
67. ## Physics (HELP)

An object inside of the focal point of a concave mirror produces an image that is...

asked by Lance on April 5, 2018
68. ## Calculus

Find the derivative of the given function at the indicated point. (use f'(a)=lim [f(a+h)-f(a)]/h as h approaches 0) This is what I have so far: [1/(x+h) - 1/2]/h = [2 - (x+h)]/(h(x+h)(2)) = [2-x-h]/(h(x+h)(2)) ...and now I'm stuck. Help? Thx

asked by Momo on February 23, 2010
69. ## Social studies

write an obituary for hernando cortez from both the spanish and aztec point of view?

asked by Daniela on June 11, 2015
70. ## Math HELP!

Use arrow notation to write a rule that describes the translation of a point from (5,6) to (6,11). A. (x,y) ----> (x+1,y+5) B. (x,y) ----> (x-1,y-5) C. (x,y) ----> (x-1,y+5) D. (x,y) ----> (x+1,y-5) Is the answer A? Thank you

asked by Anonymous on October 28, 2014

Which of the following is the point of concurrency of the medians of the triangle? A. The incenter B. The circumcenter C. The orthocenter D. The centroid

asked by Ren on January 3, 2017
72. ## Physics

what is the angular speed, in rad/s, of a point on the surface of Jupiter at latitude 72 degrees N?

73. ## chemistry

What is the molarity of Cl− ions at the stoi- chiometric point? Answer in units of mol/L.

asked by paul on March 26, 2011
74. ## calculus

consider the function; f(x)=x^4-3x^2-1 a) Find all the point where f'(x)=0 b) Use the second derivative test to classify the stationary points?

asked by Tatoosh on January 2, 2012
75. ## math

Which point represents a number that makes this statement true? 64.8 < < 65. 4 assessment graphic

asked by Aneesa on November 21, 2014
76. ## calculus need help

If 3ay^2=x(x-a)^2 with a>0, prove that the radius of curvature at the point (3a, 2a) is 50a/3. Help with working plz

asked by marvin on September 16, 2016
77. ## calculus

Consider the following function. f(x) = (6 − x)e^−x (c) Find the point of inflection. (If an answer does not exist, enter DNE.) (x,y)=( , )

asked by galina on March 15, 2017
78. ## Math

Wich of the following points had coordinates that are 5 horizontal units from point a 3,2 3,7 -2,7 5,2 My answer is b is that correct

asked by Anonymous on May 8, 2019
79. ## Floating Point Notation

Help me please, anyone understand this topic. For example 1011 1110 in Floating Point = ? and hot to accomplish this. Please!

asked by Tiler on October 14, 2007
80. ## Trig

The graph of y = 7cosx + 24sinx would be a sinusoid if it were plotted. What would be the first positive value of x at which there is a high point?

asked by Randy on June 17, 2011
81. ## science

how would i draw the structure of a dipeptide which is made up of the following; Glycine and phenylalanine? please could somebody point me in the right direction?

asked by sam on October 25, 2007
82. ## Math

what are the values of the function y = -2x - 4 for x= 0,1,2 and 3? (1 point) A: 0,-6,-8,-10 B: -4,-6,-8,-10 C: -4,-2,0,2 D: 0,6,8,10 Please help me !!!! I'm doing a big math quiz and I can't figure this one out! I got all the other ones right can you

asked by Dolly on April 5, 2015
83. ## Math

Question Marks: 3 Check whether it is Regular or Irregular singular point of the equation

84. ## physics

two point charge q1=50c , q2=10c are lactated at (-1,1,-3)m, and (3,1,0)m, respectivly. Find the force on q1.?

asked by dlawer on April 4, 2015
85. ## Science

A current is of 1mA is flowing through a copper wire, how many eloctons will pass a given point in 1 second?

asked by Ansari on September 7, 2016
86. ## Chemistry

What is the approximate boiling point of the substance represented by the complete heating curve below?

asked by Anonymous on August 11, 2011
87. ## math calculus

Find the equation of the function f whose graph passes through the point (0, 4/3) and whose derivative is f'(x) = x sqrt 16 − x^2 . f(x) =

asked by steven on May 28, 2013
88. ## Geometry

In triangle ABC, A = (5, 9), B = (3, 1), and C = (11, 3). Write the equation of the altitude from A to BC. Use point-slope form ... y - y1 = m(x - x1).

asked by mic on March 14, 2011
89. ## MATHS

AX is the bisector of

asked by Judah on February 20, 2012
90. ## trig

ABC is an isoscele triangle in which [AB]=[AC]=5cm and [BC]=6cm. Calculate [AM], where M is the mid-point of BC.

asked by ezendu on March 26, 2011
91. ## Calculus

A point moves along the curve y= x^3 -3x + 5 so that x= 1/2 square root t + 3 where t is the time. At what rate is y changing when t = 4? Need some help!!!

asked by Elizabeth on February 12, 2017
92. ## physics

Find the magnitude of electric field at point p in figure due to the charges q1 = 3.3 μc, q2 = 11.1 μc and q3 = -9.2 μc

asked by yasseen on April 18, 2013
93. ## chem

what are some of the factors that affect melting point besides, impurities, pressure, and having a wet solution?

asked by Jason on October 14, 2008
94. ## College Accounting

What is your own personal "starting point" in terms of past schooling and work experience?

asked by Lynne on January 27, 2010
95. ## Chemistry

How would the freezing point of a solution change if the unknown had ionized or dissociated? Explain.

asked by G on March 14, 2011
96. ## english

How does Twain use Huck's point of view to reveal the raw truths of society

asked by hi on March 4, 2009
97. ## College Chemistry

Calculate the pH at the equivalence point in the titration of 55.0 mL of 0.180 M methylamine(Kb = 4.4 × 10−4) with 0.330 M HCl.

asked by Emily on March 29, 2017
98. ## Math

Find the coordinates of the image of point R(3, -5) rotated 180 about the origin. I think the answer is (-5,-3)

asked by Lost on April 3, 2015
99. ## University of jos,physics

A man walks 3m north then 4m east.calculate his displacement from the starting point.

asked by Jemimah on July 17, 2016
100. ## calculus

Find a point c satisfying the conclusion of the Mean Value Theorem for the following function and interval. f(x)=x^{- {6}}, \qquad[1, 2] c =

asked by sze on January 26, 2018