# 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 228
1. ## Math

We are seating 5 people for dinner: A, B, C, D, E If the chairs are placed in a straight line: How many seating arrangements are possible? How many if A and B MUST be next to each other?

asked by William Marand on March 28, 2019
2. ## management

in a line-and staff pattern of organization, which position is most likely to serve a staff function.

asked by Anonymous on May 29, 2013
3. ## maths

If a line segment of OP makes angles of ð/4 and ð/3 with y-axis and x-axis, then what are the direction cosines

asked by mita on March 27, 2016
4. ## geometry

△ABC ; Ray CE bisects exterior angle BCD ; Ray CD||Line AB

asked by Sharon on October 3, 2011
5. ## Math

Write an equation for the line in slope intercept form Slope:-2 passing through (-2,8)

asked by Lana on October 1, 2014
6. ## Calculus

Find dy/dx for: 2y^3 - 3xy = 4 Write an equasion for the line tangent to the curve at (1,2) Find d^2y/dx^2 at (1,2)

asked by Karen on December 20, 2008
7. ## Calculus

2y^3 - 3xy = 4 1) Find dy/dx 2) Write an equation for the line tangent to the curve at (1,2) 3) Find d^2y/dx^2 at (1,2)

asked by Derick on December 21, 2008
8. ## AP Calc. AB

At how many points on the curve y=4x^5-3x^4+15x^2+6 will the line tangent to the curve pass through the origin?

asked by Rachel on October 3, 2014
9. ## math

First find the general derivative of f (x) = {√(x−1)} . Then find the equation of the tangent line to the graph at x = 10.

asked by billy on April 25, 2011
10. ## Math

Discuss how you might use the ski slope to help remember the numerical slope of a horizontal line ?

asked by Mia on December 10, 2009
11. ## CACULUS

dy/dx = (y-1)^2 cosπx There's a horizontal line with equation y=c that satisfies this differential equation. Find the value of c.

asked by JIM on February 11, 2009
12. ## Math Linear function help?

How do you write an equation of a line in slope intercept form if two points are given? Ex. Say you were given the points (0,6) and (4,3)? What would you do?

asked by Lily on May 31, 2013

Discuss how you might use the ski slope to help remember the numerical slope of a vertical line.

asked by Mia HELP!! on December 10, 2009
14. ## Math

Write an equation in slope intercept form with a y-intercept of 3 and is perpendicular to the given line

asked by Hannah on November 21, 2013
15. ## Math

Find parametric equations and symmetric equations for the line of intersection of the given planes. x + y + z = 2, x + z = 0 X=1 y = Z= x=, y=

asked by Mike on April 13, 2010
16. ## algebra

find the slope, if it exists of the line containing the pair of points. (-19.3, 13.4) and (-17.3, 2.1) The slope m= I came up with m= -4 am I close

asked by sonia on October 22, 2009
17. ## geometry

The coordinates of the vertices of CDE are C(1, 4), D(3, 6), and E(7, 4). If the triangle is reflected over the line y = 3, what are the coordinates of the image of D?

asked by roxie on March 15, 2012
18. ## Algebra

Discuss how you might use the ski slope to help remember the numerical slope of a vertical line.

asked by Mia on December 10, 2009
19. ## Math

A line segment has one endpoint of (-3,2) and an undefined slope. Find the coordinates of another possible endpoint.

asked by Anonymous on February 21, 2017
20. ## major math

which numbers are four units from -1? 3, -5 are both four units away on the real number line.Donna E. Shalala

asked by kate on March 6, 2007
21. ## Math

Which equation is the equation of a line that passes through (–10, 3) and is perpendicular to y = 5x – 7? y = 5x + 53 y = –x – 7 y = –x + 1 y = x + 5 Help - I don't understand...being told it is C but why?

asked by Deborah on November 8, 2012
22. ## algebra

write each equation in slope-intercept form. then graph the line described by the equation. 3y+2x=12

asked by genny on January 23, 2014
23. ## college algebra

I have a line equation whose slope is -2 and passes through(-1,6) I have a slope intercept form of y=-2x+4 is this correct or could this be -2x+8

asked by Jake on April 23, 2010
24. ## Algebra II

Having trouble solving this... Write the equation if a line that goes through (6,-1/2) and has an x-intercept of 5x-2y=-20 I think the x-intercept is -4, but I don't know what to do with that.

asked by Tim on October 24, 2013
25. ## math

What is 3^-2 (it is 3 to the -2 squared) I thought the answer was 1/9 and my friend thought it is .1 repeated .1 with the line over it can you tell us which one of us is correct? Thank you

asked by Es on November 13, 2012
26. ## maths

a hyperbola of eccentricity 3/2 has one focus at (1,-3). The corresponding directrix is the line "y". find an equation for the hyperbola?

27. ## calculus

Find the points on the graph y = -x^3 + 6x^2 at which the tangent line is horizontal. I found -x^2 + 4 = 0 are the points [4,32]

asked by heather on February 8, 2017
28. ## calculus

The Horizontal Assymptote for the graph of f(x) = (-6x3 +2x + 5)/(x3-1) is the horizontal line with equation y=___

asked by joel on November 13, 2012
29. ## Math

Lila graphed the points -2 and 2 on a number line. What does the distance between these two points represent?

asked by Matt on January 3, 2016
30. ## geometry

if line BE bisects m

asked by yomamma on January 23, 2012
31. ## algebra

write each equation in slope-intercept form. then graph the line described by the equation. 2y=4x+6

asked by genny on January 23, 2014
32. ## physics

When an electron jumps from the 4th orbit to the 2nd orbit which series line does it get?

asked by its urgent!!!!!!!!!! on April 19, 2012
33. ## Algebra 1A

Find the slope intercept of equation of the line that has the given characteristics. Slope 3 and y interceot 0,7

asked by Anonymous on September 10, 2011
34. ## math

if three darts are thrown at the dart board and no darts hits a line what score is possible?

asked by Brian on August 9, 2009
35. ## m-100

write an equation for the srtaight line that satisfies the given conditions. (a) Through (-2,-2); slope -1 (b) Through (4,2); slope 1/2.

asked by keith on May 5, 2011
36. ## geometry

Find the value of x. x = 18x = 22.5x = 30x = 54 is like a like two line almost forming an X and on the left side it says (x+90) and on the right side it says 4x

asked by joey on June 24, 2016
37. ## history

if the president and vice president can't serve out their terms,the next person in line to govern is the??

asked by jess on January 22, 2009
38. ## Algebra

Write the equation of the line in slope intercept form; passing through (3,11) with slope 7/3

asked by Student on June 9, 2016
39. ## algebra

find the slope if it exists of the line containing the pair of points (7,1) and (10,-8) I have a slope of -3 is this correct?

asked by Anonymous on September 10, 2011
40. ## math

find an equation of the line passing through the pair of points. write the equation in Ax+By=C (-9,7), (-10,-4)

asked by ann on October 29, 2013
41. ## pre algebra

please show me step by step how to solve the following equation -2x+4y=9 to find the slope of the line.

asked by sherry on February 10, 2010
42. ## math help now plez

unit2 lessonn9 Which image is a reflection of the figure shown over the given line of reflection?

asked by by felisha on February 25, 2017
43. ## math

Find the product of (4de^2)^3 (de)^4? 2. Find an equation of the line containing the points (-4,-7) (1,-10) How do you solve this?

asked by Anonymous on March 3, 2008
44. ## math

Draw a shape that exhibits rotational symmetry of order 3 and 1 line of symmetry.

asked by Anonymous on June 5, 2017
45. ## Math

The coordinates of the vertices of CDE are C(1, 4), D(3, 6), and E(7, 4). If the triangle is reflected over the line y = 3, what are the coordinates of the image of D? (3, –6) (3, –3) (3, 0) (3, 9)

asked by Sara on February 28, 2012
46. ## Maths

Consider a collection of 5 people. How many more ways can these people be arranged in a line than around a circular table?

47. ## Math

Find an equation of the line. Write the equation in the standard form. Through (7,6); parallel to 4x-y=9

asked by Charlie on August 22, 2018
48. ## math

Right triangle ABC is similar to triangle XYZ. If XY = 35 cm, YZ = 70 cm, and AB = 5 cm, then what is the length of line segment BC?

asked by anonymous. on April 25, 2011
49. ## Math

When you have to write the slope-intercept form of the equation for a horizontal line, is it just y= whatever the y-intercept is?

asked by Angie on March 14, 2009
50. ## math

Find the measure of the line segment GE. Assume that lines which appear tangent are tangent.

asked by Anonymous on April 7, 2019
51. ## Trigonometry with right triangles

Find the area of the right triangle △DEF with the points D (0, 0), E (1, 1), and F. m∠DEF = 60°. A √3 B √6 C √2 D √3 √2 *line in between answer D*

asked by Sosa on January 25, 2017
52. ## Calculus

find the acceleration at time t=9s if the position (in cm) of a particle moving along a line is s(t)=6t^3-7t^2-9t+2 at time t.

asked by Anonymous on October 24, 2009
53. ## math

the number line below shows an estimate for the sum of 6/13 and 1/8. explain why the sum is greater than 1/2.

asked by lily on January 11, 2015
54. ## math

find the slope, if it exists, of the line containing the pair of points (9,5) and (10,-3) teh slope m= 1.2 m=(-3+9)/ (10-5) m=6/5 m=1.2

55. ## chemistry

Draw the line structure for the compound: 2,5-dimethyl-3-hexane I believe the compound is C8H16...i am not sure!! :(

asked by annonymous on January 30, 2011
56. ## maths

The Hypotenuse of a right- triangle is 13 cm and the angle of the line opposite to the hypotenuse is 35 find the other two sides.

asked by Kaps on November 1, 2009
57. ## chemistry

Draw the line structure for the compound: 2,5-dimethyl-3-hexane I believe the compound is C8H16...i am not sure!! :(

asked by annonymous on January 30, 2011
58. ## math

find the equation of the line with slope 8 and passing through (-5 , -6 ) slope intercept form

asked by Fe on July 3, 2016
59. ## math

Draw a line with 3 distinct points on it. Label each with a different letter. how many different rays can you name using only the 3 given points? A) 8 B) 6 C) 4 D) 2

asked by panda lover on March 1, 2019
60. ## math

How can you draw a line that is 5 inches long using only one sheet of 8 1/2 inch x 11 inch paper?

asked by Kenzi on November 17, 2008
61. ## math

find whether the line 2x-y=0 is tangent, real chord on imaginary chord to the parabola y^2-2y+4y=0.

asked by sonu on August 8, 2011
62. ## algebra 2 please check

Identify the line(s) of symmetry for the conic section x-(y-1)^2=2 I have this... (Y-1)^2=(x-2) Vertex (2,1) Symmetry y=1. Is this correct?

asked by amber on May 3, 2012
63. ## calculus

Find parametric equations for the line that is perpendicular to the plane 2x-y+3z=7 and intersects the plane when x=1 and y=1.

asked by Zac on January 15, 2013
64. ## Math

Find an equation of the curve that satisfies the given conditions: (d^2y/dx^2)=6x, the line y=5-3x is tangent to the curve at x=1

asked by Tim on July 29, 2014
65. ## math

To what number does 153 rounded to the nearest hundred? Use the number line to explain why.

asked by nilar on August 25, 2015
66. ## Math

is x=5 a function No. The plot (graph) is a vertical line at x=5, so y can have many different values, in fact, any value. a function has one y value for each x value. thanks

asked by Nikki-Ole on November 5, 2006
67. ## MATH

given the regression line y=42-3x what number of units are expected to increase in y if x is decreased by 2 units. a)2 b)4 c)6 d)8

asked by Ana.... on December 24, 2016
68. ## math plz help ;-;

What is the equation of the line containing the two points (-4, 8) and (1, -7)? a.y=-3x b.y=3x+4 c.-3y=x-4 d.y=-3x-4 plz check if my answer is correct. My answer is c ^^;

asked by leo on May 31, 2016
69. ## Geometry

If line segment WP is an angle bisector, m

asked by Anonymous on November 16, 2015
70. ## Social Studies

Through which four South American countries does the 20 degrees South line of latitude pass

asked by Kaitlin on September 23, 2008
71. ## Math

Find the parabola with equation y = ax^2 + bxwhose tangent line at (2, 12) has the equation y = 14x − 16

asked by Anonymous on October 13, 2012
72. ## math

A circle has centre(5,12) and its tangent to the line with equation 2x-y+3=0. Wtite equation of the cirle

asked by donald on December 30, 2016
73. ## Algebra

Find the slope of the line containing each given pair of points, If the slope is undefined, state this (-1,4) and (5,-8)

asked by Poochie on July 12, 2011
74. ## algebra

Find the equation of the line that passes through the points ( 8, - 15 )and(-2,5). write the equation in y=mx = b form.

asked by Julie on February 19, 2011
75. ## Math

How do you find the three ordered pairs that satisfy this equation Y = 3x - 4. How do you graph the line Y = 5x - 4. How do you graph X = 3.

asked by Linda on October 12, 2012
76. ## statistics

3. If r is close to 1 or -1, the regression line does not fit the points. A) True B) False True?

asked by Hayley on November 29, 2018
77. ## math

Calculate the equation for a line that passes through the points (-2, -1), (4, 8) and (50, p). What is the value of p? Ok for the points -2,-1 and 4,8 i gotten y=3/2x+2 i don't know how to get the 50.p part please help me

asked by Plz help asap on September 29, 2016
78. ## Calculus

Find the scalar equation of a plane that is perpendicular to plane r=(-2,1,3)+s(0,1,1)+t(-1,0,3) and also intersects it along the line (x-3)/2=(y+1)/-3,z=1

asked by Zac on July 29, 2014
79. ## Geometry

The coordinates of the vertices of CDE are C(1, 4), D(3, 6), and E(7, 4). If the triangle is reflected over the line y = 3, what are the coordinates of the image of D?

asked by Cindy on December 16, 2011
80. ## Math

The coordinates of A and B are (7,-7) and (-2,2) respectively. If P and Q divide the line segment AB into 3 equal parts, find the coordinates of P and Q.

asked by Selena on December 29, 2011
81. ## Math Word Problem

In how many ways can 5 people be chosen and arranged in a straight line, if there are 11 people from whom to choose?

asked by Ashley on December 5, 2009
82. ## MATH

Find the slope of the line that passes through each pair of points. 18. (1,2) and (-3,2) 20. (-4,9) and (10,6) Can you help me find the answers?

asked by nonononono on June 5, 2014
83. ## calculus

find the equation of the curve for which y'''=24x-6 if the curve passes through (-1,8) and is tangent to the line y=4x at (1,4). help please thanks :-)

asked by jean on August 10, 2015
84. ## algebra

If is a line whose equation is y= 2x - 1, find the equation of the image of under each of the following translations: in book explanation a. (x, y) S (x, y - 2) b. (x, y) S (x +3, y) c. (x, y) S (x - 3, y + 2)

asked by Rebecca on March 3, 2010
85. ## statistics

5. The regression line can be used to predict the value of the independent variable (x). A) True B) False true??

asked by Hayley on November 29, 2018
86. ## Geometry

Line TV bisects

asked by Robert on August 19, 2015
87. ## math plz help ;-;

What is the equation of the line containing the two points (-4, 8) and (1, -7)? A.y=-3x B.y=3x+4 C.-3y=x-4 D.y=-3x-4 I need help with this Q i don't understand it can anyone show me step by step ;-; sorry

asked by leo on June 1, 2016
88. ## math

a line segment is 1000 millimeters long . what is the length of the segment in centimeters

asked by tanzia d. on November 18, 2014
89. ## math

A circle has centre(5,12) and its tangent to the line with equation 2x-y+3=0. Wtite equation of the cirle

asked by donald on December 28, 2016
90. ## Math

I need help with an equation problem. Write the equation of the line that passes through each pair of points. (-2, -7) and (3,8)

asked by Johnnie on November 28, 2011
91. ## Challenge

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 Serenity1 on November 23, 2013
92. ## precalculus

Can someone verify if my answer is right? 1. Which function has a negative average rate of change on the interval 1

asked by Melinda on December 3, 2011
93. ## programming

Can anyone help me with this really confusing programming problem? The board game scrabble works by assigning points to wooden tiles arranged in cells on a board. We'll simplify this considerably, and consider the following question. We begin with the

asked by Jeff on November 24, 2009

4. Find the area for a triangle: base 14, height 5.5. (1 point) 19.5 cm² 77 cm² 38.5 cm² 770 cm² 5. Find the area of a parallelogram: base 5.2, height 2.3. (1 point) 10.6 cm² 12.96 cm² 5.98 cm² 11.96 cm² My answers: 4. 38.5 cm² 5. 11.96 cm²

asked by Delilah on February 6, 2013
95. ## English

ya so I have to write this essay and I'm completly lost Were reading the story The Stranger which I have already finished about a week ago I remember this guy who meets this one guy and a dog and the main charecter dosent' care if he gets maried to this

asked by Kim on May 31, 2009
96. ## English

My task is to write a persuasive article for my chool website about an issue related to school meals. My title is 'Unhealthy heaven' My sub-heading is 'Those hungry humans crave for tasty foods. What will it be?' My introduction's main point is that '

asked by Ruth on November 13, 2011
97. ## science water treatment

wastewater treatment plant based on activated sludge with biological phosphate and nitrogen removal via pre-denitrification. The treatment plant consists of the following subsequent process units; screen, grit chamber, primary sedimentation, anaerobic

asked by sabreen on March 23, 2019
98. ## ionic or covalent

can you check for me? Calcium Chloride: covalent Citric Acid: ionic Phenyl Salicylate: covalent Potassium Iodide: ionic Sodium Chloride: covalent Sucrose: ionic Thanks so much!!!! You must have some reason for picking ionic or covalent. How did you arrive

asked by Hodgkin on June 19, 2006
99. ## Chemistry

A 26.7 g sample of ethylene glycol, a car radiator coolant, loses 668 J of heat. What was the initial temperature of ethylene glycol if the final temperature is 32.5°C (c of ethylene glycol = 2.42 J/gK)?

asked by Brittany on October 20, 2010
100. ## Physics 2

calculate the final temperature of a 400g of water at 80 degree celsius if it is poured into a 100g pot at 30 degree celsius. note: c of pot is 840 J/kg degree celsius.

asked by Kaye on June 29, 2015