# 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 168
1. ## Statistics help please :)

To whoever responds, thanks for your help :). Astrids (*) signify my answer. 1. Find the least squares regression line for the dataset in the table x|y 3|1 4|5 8|11 10|21 a. y=2.55x-6.435 b. y=2.55x+6.435**** c. y=1.477x+1.477 d. y=1.698x 2. y=2,060-0.186x

asked by Jai on March 19, 2019
2. ## Physics

Hi, I've been having trouble with this physics problem. I'm not sure where to begin. A brick with mass m1=2.5 kg can move without friction on a horizontal plane. The brick is attached to a wall by an ideal spring with spring constant k=2300 N/m. A second

asked by Josh on November 29, 2016
3. ## Physics

Two points, P and R, are equidistant from the positively charged object, A. They are on opposite sides of the charged object. Is the electric field at point R equal in magnitude and direction when compared to point P? Or is it equal in magnitude but

asked by Sara on January 26, 2019

Two parallel wires conduct equal currents in the same direction. (a) At a point in the plane of the wires midway between them, do the individual fields of the wires cancel or reinforce each other? (b) At a point far away from the wires, do their individual

asked by Marie on April 17, 2012
5. ## Chemistry

Compare the amount of heat required to vaporize a 200.-gram sample of H20(L) at its boiling point to the amount of heat required to melt a 200.-gram sample ofH20(s) at its melting point.

asked by danny123 on October 9, 2010
6. ## Trigonometry

Let O be the origin and P be a point in the fourth quadrant on the x-y plane. Let 270

asked by Tony on April 19, 2013
7. ## algebra

A basketball player makes an average of 10 points for every 15 shots taken. Each shot made by the player is a 2-point shot. The variables in this situation are the number of 2-point shots taken and the number of points made. What is the independent

asked by lu on June 16, 2013
8. ## Physics

Two parallel wires conduct equal currents in the same direction. (a) At a point in the plane of the wires midway between them, do the individual fields of the wires cancel or reinforce each other? (b) At a point far away from the wires, do their individual

asked by Brittany on April 17, 2012
9. ## history

1. What is allocation by need? (1 point) pricing goods based on want rather than need giving or selling goods only to people who most need them giving or selling goods to whoever will stand in line the longest pricing goods so that even the most vulnerable

10. ## physics

A block of mass 12.0 kg slides from rest down a frictionless 35.0° incline and is stopped by a strong spring with k = 4.00 104 N/m. The block slides 3.00 m from the point of release to the point where it comes to rest against the spring. When the block

asked by Anonymous on October 11, 2011
11. ## college physics

A block of mass 12.0 kg slides from rest down a frictionless 35.0° incline and is stopped by a strong spring with k = 4.00 104 N/m. The block slides 3.00 m from the point of release to the point where it comes to rest against the spring. When the block

asked by Anonymous on October 11, 2011
12. ## physic

A block of mass 12.0 kg slides from rest down a frictionless 34.0° incline and is stopped by a strong spring with k = 2.5 104 N/m. The block slides 3.00 m from the point of release to the point where it comes to rest against the spring. When the block

asked by Chan on October 21, 2009
13. ## physics

A block of mass 12.0 kg slides from rest down a frictionless 35.0° incline and is stopped by a strong spring with k = 1.50 104 N/m. The block slides 3.00 m from the point of release to the point where it comes to rest against the spring. When the block

asked by beth on November 12, 2010
14. ## Science

1. How do meteorologists forecast El Nino and La Nina? 2. Effects of El Nino and La Nina with regards to ocean currents and air currents. Meteorologists have not been very successful at forecasting them so far; it is mainly a question of monitoring it to

asked by Erica on May 16, 2007
15. ## History

A repost for Camil 3. All of the following acts were imposed on the colonies by the British EXCEPT (1 point) A) the Tea Act. B) the Intolerable Acts C) the Salt Act. D) the Stamp Act. 4. South Carolina responded to the Intolerable Acts by __________. (1

asked by Woltia on November 13, 2018
16. ## physics

The resistance of a platinum resistance thermometer is 30 ohms at the ice point, 40 ohms at the steam point and 34.5 ohms on a certain hot day, what is the temperature of the day on celcius temperature day?

asked by dayo on January 11, 2014
17. ## Maths

A boat sails 4km on a bearing of 038 degree and then 5km on a bearing of 067 degree.(a)how far is the boat from its starting point.(b) calculate the bearing of the boat from its starting point

asked by Bright ulubi on March 28, 2016
18. ## physics

The resistance of a platinum resistance thermometer is 30 ohms at the ice point, 40 ohms at the steam point and 34.5 ohms on a certain hot day, what is the temperature of the day on celcius temperature day?

asked by dayo on January 11, 2014
19. ## physics??

Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. The orbital speeds of the planets are determined to be 41.3 km/s and 52.7 km/s. The slower planet's orbital period is 7.74 years. (a) What is the mass of the

asked by Gina on February 15, 2011
20. ## statistics

Every year thousands of students take the SAT'S. RECENT TRENDS SHOW THAT THE SCORES ON THE VERBAL SECTION FOLLOW AN APPROX. NORMAL DISTRIBUTION WITH MEAN 550 AND STANDARD DEVIATION OF 110 68.26% OF THE STUDENTS WHO TAKE THE SAT VERBAL SCORE BETWEEN ______

asked by todd on February 10, 2008
21. ## c programming , computer science

1-Write a program that determines the day number (1 to 366) in a year for a date that provided as input data. As an example, January 1, 1994, is day 1. December 31, 1994, is day 365. December 31, 1996, is day 366, since 1996 is a leap year. A year is a

asked by hisham on May 7, 2015
22. ## Trigonometry

Karla is riding vertically in a hot air balloon, directly over a point P on the ground. Karla spots a parked car on the ground at an angle of depression of 30o. The balloon rises 50 meters. Now the angle of depression to the car is 35°. How far is the car

asked by Allison on October 26, 2012
23. ## Physics

A water pipe is inclined 31.0° below the horizontal. The radius of the pipe at the upper end is 2.00 cm. If the gauge pressure at a point at the upper end is 0.122 atm, what is the gauge pressure at a point 2.70 m downstream, where the pipe has narrowed

asked by Abby on November 15, 2017
24. ## math

A survey team is trying to estimate the height of a mountain above a level plain. From one point on the plain, they observe that the angle of elevation to the top of the mountain is 27∘. From a point 1000 feet closer to the mountain along the plain, they

asked by Anonymous on November 24, 2015
25. ## chem

What is the boiling point of water at an elevation of 1.55×10^4 ft ? The atmospheric pressure at sea level is 760mmHg . This pressure decreases by 19.8mmHg for every 1000-ft increase in elevation. The boiling point of water decreases 0.05 degrees celsius

asked by tomi on November 18, 2008
26. ## trig

A survey team is trying to estimate the height of a mountain above a level plain. From one point on the plain, they observe that the angle of elevation to the top of the mountain is 24. From a point 1000 feet closer to the mountain along the plain, they

asked by Anonymous on October 10, 2012
27. ## pre-cal

A survey team is trying to estimate the height of a mountain above a level plain. From one point on the plain, they observe that the angle of elevation to the top of the mountain is . From a point 1500 feet closer to the mountain along the plain, they find

asked by ramla on December 3, 2009
28. ## math

how to determine the acute angle between the line 2x+3y=6 and the y axis?

asked by Riana on January 27, 2013
29. ## Math

What is the equation of the line that passes through the points (−2, 1) and (1, 10)? 3x − y = −7----my answer 3x − y = −5 3x − y = 5 x + 3y = −5

asked by katrina on January 12, 2017
30. ## math

cFind the slope of the line passing through the points −3, -8 and 4,6 .

asked by Mirela on May 10, 2018
31. ## Algebra

Find the midpoint of the line segment having the given endpoints: (8,-4) and (-7,8)

asked by Michelle on January 31, 2010
32. ## number line for fraction

how can i make a model in a number line for 8/1 = x/(3/8) I am very confused

asked by Diana on January 9, 2014
33. ## Math

Find the value of x or y so that the line passing through the two points has the given slope. (-1,4) (X,3); M=2/3

asked by Sophia on August 21, 2011
34. ## Geography

How can I make a power line for my geo model?

asked by Sara on December 28, 2014
35. ## calculus and vectors

Determine an equation of the line of intersection of the planes 4x − 3y − z = 1 and 2x + 4y + z = 5.

asked by anon on April 1, 2014
36. ## calculus

Use the tangent line approximation to approximate the value of ln(1008)

asked by paul on November 19, 2012
37. ## Calculus

Find the equation of the tangent line to the graph of f(x) = −6x ln(x + 10) at x = 0.

asked by Erika on October 20, 2010
38. ## Math

Find the equation of the regression line and predict y when x = 2.5. x - 1 5 4 2 3 6 y - 25 5 10 20 15 5

asked by Shelagh on July 12, 2014
39. ## Pre-calculus

f(x)=(1/5)^x=5^-x I plugged in both into my caluculator but I only see one line, are they exactly the same? and how do I find the asymptotes?

asked by Janelle on November 10, 2009
40. ## Calculus

How do I find the normals to the curve xy+ 2x - y = 0 that are parallel to the line 2x + y = 0

asked by John on June 30, 2010
41. ## Math

If you have a line intersecting at (3,6). What equation would represent both lines?

asked by Davis on February 8, 2017
42. ## Math

you lave a line intersecting at (3,6) what would represent the two lines?

asked by Davis on February 8, 2017
43. ## Math

Find the equation of the line that passes through the given points (1,5) and (2,0) y=-5/1x+10

asked by M on November 3, 2014
44. ## Geometry

Two opposite rays ________ form a line

asked by jasmyn on September 4, 2008
45. ## Trig

If 0 ≤ x ≤ 2π, which equation is a line of symmetry for the graph of y = cos x? x = 0 x = 2π x = π y = 0

asked by Kiki on March 30, 2014
46. ## algebra

write an equation of a line that has the same slope as 2x-5y=12 and the same y-intercept as 4y+24=5x.

asked by Sam on March 12, 2008
47. ## math

I don't get make a ten. 9+6= then 2 lines come out of the 6 the next line says 10+ _ =_

asked by Lil on November 6, 2010
48. ## algebra

which of the following pairs of points both lie on the line whose equation is 3x-y=2? a)(2,-2) and (1,5) b)(2,4) and (1,5) c)(2,4) and (3,7) d)(3,7) and (3,-2)

asked by jessica on October 4, 2007
49. ## algebra

Identify the line(s) of symmetry for the conic section x-(y-1)^2=2

asked by amber on May 2, 2012
50. ## Geometry

If there are 10 points on a lone how many line segements does that make?

asked by Cassidy on September 18, 2011
51. ## Math

Which shapes have more than one line of symmetry? Explain your thinking

asked by Jeffrey on February 8, 2017
52. ## Algebra

8. Write an equation for a trend line and predict the value when x is 15. x 0 3 6 9 12 y 17.5 35.4 50,5 60.6 66.3

asked by Aaron on September 27, 2016
53. ## college algerbra

Find the Slope and Y-Intersection of a Line that has the following equation. 3Y = 2X - 8

asked by dre on April 16, 2009
54. ## Math

what would the equation be in slope intercept of 1 and is parallel to the given line

asked by Hannah on November 21, 2013
55. ## Calculus

Determine the line through which the planes in each pair intersect. a) 3x+2y+5z=4 4x-3y+z=-1

asked by May on January 26, 2013
56. ## music

how we named the note that is above the first line on the bass clef?

asked by Nicholas on February 13, 2009
57. ## Math Word Problem

How many ways can 8 people line up for play tickets?

asked by Ashley on December 5, 2009
58. ## Math

What is 1/5,0.251,and 25% on a number line in ascending order?

asked by Gigi on October 11, 2016
59. ## Calculus

Find the equation of the tangent line when x=2 for the functin f(x)=5^(x/2)

asked by Anonymous on March 29, 2015
60. ## Calculus

The graph of f(x)=(ax+b)/(x^2 - 5x + 4) has a horizontal tangent line at (2, -1). Find a and b

asked by Nevin on May 28, 2012
61. ## Algebra 2

find the equation of the line with a slope of 4 and passing through (0 3)

asked by Anonymous on February 25, 2019
62. ## math

how do you find the equation line of these ordered pairs (1/6, -1/3) and (5/6, 5)?

asked by vicki on February 11, 2011
63. ## Math

Find the equation of the line in general form. (1, 9) & (3, 19)

asked by Kelly Brians on July 16, 2015
64. ## ALGEBRA I

Which equation is represents the line that passes through the points (6,-3) and (-4,-9)? a. y+4 =3/5(x+9) b. y+4=5/3(x+9) c. y-3= 3/5(x+6)****** d. y+3=3/5 (x-6)

asked by SAM on October 25, 2017
65. ## math problem

Find an equation of the line that passes through two points. (0,4) and (7,10)

asked by Anonymous on June 2, 2014
66. ## jeff elem

How do I find out what each mark represent on a number line?

asked by zai on August 20, 2015
67. ## Math high school

Find the slope of altitude to line AT the coordinates are A(-7,0) and T (9,-7)

asked by Sue on January 13, 2013
68. ## Chemistry

What is the shortest possible wavelength for a line in the Balmer series?

asked by Ceamus Angelina on April 7, 2018
69. ## Algebra

Find the midpoint of the line segment having the given endpoints. (−5, −2), (8, 10)

asked by Kim on October 6, 2014
70. ## Algebra

Find the value of x so that the line passes through the points (2,3) and (x,9) and has a slope of 3/2.

asked by Kimmy on January 1, 2016
71. ## Algebra

Find an equation of the line parallel to the graph of 4x + 2y = 8 and containing (-1,5)

asked by Brandon on February 24, 2009
72. ## ALGEBRA

what is the slope of the line passing through the pairs of points? (9,5) and (4,1)

73. ## Geometry

What is the equation go the line that is parallel to the graph of y=1/2x+6, and who's y-intercept is -2

asked by Victor on November 21, 2013
74. ## literature

how many feet are in each line of i wandered lonely as a cloud

asked by Anonymous on August 22, 2012
75. ## Fraction Number line

how can i make a model in a number line for 8/1 = x/(3/8) I am very confused

asked by Diana on January 9, 2014
76. ## math

Find the midpoint of the line segment with endpoints (-5, 7) and (9, -3)

asked by Ariana on October 6, 2017
77. ## algebra

Find the slope of the line that passes through the points (–3, –6) and (1, 6).

asked by lisa on May 4, 2013
78. ## algebra 2

Find the slope of the line passing through the points (3, -1) and (0, 8)

asked by Courtney on October 1, 2015
79. ## math

The pair of points (6, y) and (10, –1) lie on a line with slope 1/4. What is the value of y? –5 –2 2 5 I think it might be -2?

asked by Deborah on November 1, 2012
80. ## Algebra

Write an equation of a line that passes through the given points. (-4,6) (1,1)

asked by Janey on October 6, 2015
81. ## per- calculus

Parrallel to the line 4x+3y=3; containing the points (6,0) a)3x-4y=-24 b)4x+3y=24 c)4x+3y=18 d)3x-4y=18 show all work

asked by Neshia on October 4, 2007
82. ## algebra

find a if the line through (9,6a)and (15,a) has the slope -5/3..show work

asked by Marcia on August 2, 2012
83. ## math

The distance between -2 and 4 on the number line can be found by which expression?

asked by trisha on January 23, 2015
84. ## Pre-Algebra

Explain how to model the multiplication of –6 and 3 on a number line.

asked by Britney on November 4, 2016
85. ## math

Find f(3) and f'(3), assuming that the tangent line to y=f(x) at a=3 has the equation y=5x+2

asked by Anonymous on September 22, 2011
86. ## pre-algebra

if the scale is 3 in. = 50 mi. what is the actual distance if the line segment was 6 in.

asked by tiff on February 21, 2012
87. ## Math

Mrs.Sue how do you explane that 5.5 is to the right of 5 1/4 on the number line.:)

asked by Cameron on January 26, 2010
88. ## ALGEBRA 2

Which equation represents a line that is parallel to the x-axis?

asked by KELR on January 12, 2012
89. ## math

how can you find the length of a line of a isosceles trapezoid?

asked by frank on April 10, 2009
90. ## algebra

Find the slope of the line through the following pairs of points (-5,4)and (2,4)

asked by pat on September 30, 2007
91. ## Pre-Calc/Trig...

am i correct? What is the axis of symmetry for the graph of y=2x^2-4x+2? x=? the line goes through 1? x=1

asked by Anonymous on October 14, 2014
92. ## Algebra 2

Find the equation of the line parallel to y=2x+6 and passing through (4,5)

asked by Anonymous on February 25, 2019
93. ## Math

How can I figure out what the line segment of radical, or Sq root of 17 looks like?

asked by Melissa on January 18, 2012
94. ## english

which line in Julius Caesar indicates that Cassius is a manipulator?

asked by T on May 7, 2018
95. ## Science

What is the equation of the street line that passes through the points 1 and -4 and 3 and 2

asked by Anonymous on June 7, 2016
96. ## algebra

How do i write an equation of a line with the given slope and y-intercept for m= 2/9, b=3?

asked by Marina on November 20, 2013
97. ## math - Ms. Sue

What is the slope of the line that passes through the pair of points? (-5/3, -1)and (-2, 9/2) A.2/33 B.-2/33 C.-33/2 D.33/2 I think it is D?

asked by Deborah on November 23, 2012
98. ## calculus

y=3⋅2^x Find the equation of the line tangent to the graph of y at x=1.5.

asked by jordyn on October 14, 2010
99. ## calc

f'(x)=(24)/((2sinx+6cosx)^2) find equation of line y=mx+b

asked by Hannah on March 9, 2011
100. ## math

The slope of a line that goes through -3 -5 and -3 -6 is what positive negatative*** zero undefined

asked by plz can u check my answers on May 9, 2017