# 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 21
1. ## precalc!!!!!

find the point on the line y=2x-1 which is closest to the point (2,-1). I used distAnce formula and got D= (square root 5x^2 -4x +4) I did.... D=square root (2-x)^2 + (-1-(2x-1))^2 What do I do now?

asked by L.Bianchessi on March 9, 2012
2. ## physics

In a region containing a uniform electric field at right angle to the magnetic field suppose, for instance, that Vector B point in X direction and Vector E in the Z axis as shown below. What path will a particle that is released from the origin it follow.

asked by Abdulazeez on August 28, 2011
3. ## physics

A skier leaves the starting gate at the top of a ski ramp with an initial speed of 4.00 m/s (Figure 6-41). The starting position is 120 m higher than the end of the ramp, which is 3.00 m above the snow. Find the final speed of the skier if he lands 145 m

asked by nic on October 31, 2014
4. ## physics

A skier leaves the starting gate at the top of a ski ramp with an initial speed of 4.00 m/s (Figure 6-41). The starting position is 120 m higher than the end of the ramp, which is 3.00 m above the snow. Find the final speed of the skier if he lands 145 m

asked by chris on October 31, 2014
5. ## AP Chem (Thanks!)

Hey guys! Stuck on some! My maybe answers are written next to the problem (1 problem-5 parts). Thanks for any help: 1. Lead (II) chromate, PbCrO4, is a slightly soluble salt. Write a net ionic equation for the dissolution of solid PbCrO4 in water. My

asked by Allie on October 22, 2015
6. ## precalc

write a linear equation to fit each situation or description. 1) the line through (2,4) parallel to the x axis. 2) the line through (2,4) perpendicular to the x axis. 3) the line through (3,1) perpendicular to y=4x-3. 4) the line through (-2,5) parallel to

asked by d on August 31, 2015
7. ## math

i come on here to check answers The chart below shows the possible options for beverages, eggs, and bread at a breakfast bar. Which tree diagram correctly shows the possible breakfast choices? A three column table is shown.· The first column is titled

asked by Btw on May 6, 2019
8. ## Math (geometry)

Line l is tangent to circle O at point P(3,4) where the center is located at (0,0). a. Find the radius of the circle. (I got 4) b. Give an equation of the circle. (I got x^2+y^2=16) c. Find the slope of line l. d. Give an equation of line l.

asked by Emily on April 30, 2008
9. ## Physics

Two systems are formed from a converging lens and a diverging lens, as shown in parts a and b of the drawing. (The point labeled "Fconverging" is the focal point of the converging lens.) An object is placed inside the focal point of lens 1 at a distance of

asked by Damien O' Connell on March 18, 2015
10. ## Math

In an isosceles triangle, the perimeter is 8 more than 2 times on of the legs. If the perimeter is 28 in, find the length of the base. A. 16 in B. 18 in C. 10 in D. 8 in Given triangle ABC with A(-3, 2), B(-1, -4), and C(4, 1), write the equation for the

asked by SkatingDJ on January 14, 2016
11. ## KESHA

A surveyor must divert her path from point C by proceeding due south for 300 ft to point A. The surveyor determines that point B, which is due east of point C, is N49°E from point A. What is the distance from point C to point B? A. 350 ft B. 375 ft C. 360

asked by PAM on April 28, 2012
12. ## Calculus

Let f(x)= abs of negative abs of x + pi/2 close abs and g(x)= abs of cosx. the wording might be confusing so here is another description of the equation (the "vertical line" that I refer to is the line you draw as you draw the absolute value sign...for

asked by Anonymous on November 7, 2015
13. ## Trigonometric functions

1)Which angle is coterminal with a -400 degree angle in standard postion? A)40 B)80 C)320 D)400 I chose A (for the next one I don't know what its called but it looks like 0 with a horizontal line through the middle.) 2)Find the exact value of cos looks

asked by Jon on February 10, 2008

I only need help on #2 I did number one if you can check it great if not only can help me on 2 Croakie is a very talented frog. He does tricks for the audiences at the Calaveras County Fair contest every year. Some of his tricks are quickly making him

asked by Jessica on February 1, 2017
15. ## nursing evidence

_ _ _ _ _ _ _ _ _ 1. Information used to conduct our lives _ _ _ _ _ _ _ _ _ 2. To solve a problem by collecting the necessary pieces of information and putting them together _ _ _ _ _ AND _ _ _ _ _ 3. Try several approaches until one works _ _ _ _ _ _ _ _

asked by jennifer on September 12, 2011
16. ## AP Chem (Thank you for help)

Hey guys! Stuck on some Redox Reactions. I tried my best to put as much work as I could, but I'm super stuck on these ones. Thanks for any help: 1) Balance the equation as written, what is the coefficient for O2? NH4+ + O2-->NO2− + H2O (in basic

asked by Allie on October 17, 2015
17. ## physics

a kicker kicks a football from the 5 yard line to the 45 yd line ( on the same half of the field). Ignoring air resistance, where along the trajectory is the speed of the football a minimum. what formuls is used and show work a) at the 5 yd line, just

asked by Alli on September 6, 2010
18. ## Symbolism (final)

Can you find the symbol in this line from Emerson's "The Concord Hymn"? What does it represent? Their flag to Aprils's breeze unfurled... Okay, this makes no sense to me whatsoever. Can't seem to figure it out. Final question on symbolism. Any help is

asked by Larry on January 14, 2009
19. ## Physics

A quarterback takes the ball from the line of scrimmage, runs backward for 8 yards, and then runs sideways parallel to the line of scrimmage for 5 yards. At this point, he throws a 49 yard forward pass straight down the field. What is the magnitude of the

asked by Anonymous on February 27, 2012
20. ## Math

A line, y = mx + b, passes through the point (1,6) and is parallel to y=4x+ 6. What is the value of b? 2. The table below shows the hours, x, spent working on a new road and the distance, y, of finished road. Time (hours) Distance (miles) 50 1.5 200 6 350

asked by Me on March 27, 2019
21. ## Chemistry

Which one of the following compounds does not follow the octet rule? a) NF3 b) CF4 c) SF4 d) PH3 e) HCl I know I can eliminate A and B because nitrogen and carbon follow the octet rule. I know I can eliminate E because the total amount of valence electrons

asked by Anon on April 27, 2017
22. ## math help!!!

stuck!! pls help/explain!!! 2. Do the values in the table represent a linear function? If so, what is the function rule? (1 point) x = -2, 0, 2, 4 y = -4, 0, 4, 8 The values do not show a linear function. Yes, they show a linear function; y = x + 4. Yes,

asked by TTR+S<3 on May 7, 2014
23. ## Speech

I have to give a speech soon about my different " sides" of my life. Like my school life and what I do at school compared to how I act as a sibling etc. But I'm stumped on what my visual should be. My teacher wants originality no power point or posters

asked by Hannah on August 22, 2011
24. ## Calculus

Find an equation for the tangent line of the function y=x+(4/x) at the point (2, 4). The equation of the tangent line is . You may enter the equation in any form.

asked by Robin on June 12, 2013
25. ## algebra 1

Thelma wants to find the equation of a line that passes through the point (2, 2) and is perpendicular to the line Which equation best represents Thelma's equation?

asked by shay on April 29, 2013
26. ## calc

The point P(4, −2)lies on the curve y = 2/(3 − x). (a) If Q is the point(x, 2/(3 − x)),use your calculator to find the slope mPQ of the secant line PQ (correct to six decimal places) for the following values of x. 1) 3.9 mPQ= 2) 3.99 mPQ= 3)3.999

A point P is uniformly chosen inside a regular hexagon of side length 3. For each side of the hexagon a line is drawn from P to the point on that side which is closest to P. The probability that the sum of the lengths of these segments is less than or

asked by fweng on April 29, 2013
28. ## calculus

The point P(4, −2)lies on the curve y = 2/(3 − x). (a) If Q is the point(x, 2/(3 − x)),use your calculator to find the slope mPQ of the secant line PQ (correct to six decimal places) for the following values of x. 1) 3.9 mPQ= 2) 3.99 mPQ= 3)3.999

asked by student on August 28, 2012
29. ## ELA

Read the passage from "The Charge of the Light Brigade:" "Forward, the Light Brigade!" Was there a man dismayed? Someone had blundered. Theirs not to make reply, Theirs but to do and die. Into the Into the valley of Death Rode the six hundred. Where are

asked by Carol on April 9, 2018
30. ## Physical Education 11-15

11. __________ can help you reach your goals. (1 point) Eustress•• Distress A phobia A compulsion 12. Which of the following is NOT typically a stressor? (1 point) going for a walk•• missing the bus a fire alarm blaring a final exam 13. A person

asked by Alex on December 3, 2015
31. ## sorry again

I n]have to find four crystalline substances and i found diamonds, salt and sugar can you guys give me two more. the reason why two is because I don't have diamonds to take to the classroom. Look at your earrings...fake diamonds, are crystalline, unless

asked by claudia on February 5, 2007
32. ## Physics

I have a 67 as a final grade for the year in my physics class my final exam counts as 10% if I get a 0 and just don't show up to my final will I fail the class for the year?

asked by Bs on June 14, 2016
33. ## Maths

The line r=(2,3,4)+µ(-1,0,3) and the point (6,0,2) form which plane: (a) r.(-1,0,3)=10 (b) r.(9,10,3)=60 (c) r.(2,3,4)=29 (d) r=(2,3,4)+µ(-1,0,3)+ù(6,0,2) Please help!!! Thanks!

asked by Anonymous on March 11, 2010
34. ## maths

The line r=(2,3,4)+µ(-1,0,3) and the point (6,0,2) form which plane: (a) r.(-1,0,3)=10 (b) r.(9,10,3)=60 (c) r.(2,3,4)=29 (d) r=(2,3,4)+µ(-1,0,3)+ù(6,0,2) Please help!!! Thanks!

asked by Anonymous on March 12, 2010
35. ## Mathematics

Find the distance from the point (3, 2) to the line y = 3x + 2.

asked by Steve on December 27, 2013
36. ## math

if the line y=2x+b and the parabola y^2=8(x+2) meet exactly at one point,then what is the value of b

asked by EYOB on March 7, 2010
37. ## math

which point lies on the line defined by 3x + 8y = 5

asked by lele on December 21, 2016
38. ## Math

How do you find the slope of a line? And how can you tell which point is x or which one is y

asked by Coleson on October 7, 2014
39. ## calculus

find the point on the line 6x+7y-5=0 closest to (2,2)

asked by Jane on April 18, 2011
40. ## Math

A line, y = mx + b, passes through the point (1,6) and is parallel to y=4x+6. What is the value of b?

asked by Me on March 14, 2019
41. ## Math

Point (k,3) lies on the line whose equation is x-2y=-2. What is the value of k? a.-8 b.-6 c.6 d.8

asked by Angie on March 28, 2009
42. ## Geometry A

Which line has a slope of 3 and passes though the point (-6, -4)?

asked by Sidney on February 25, 2014
43. ## Math

draw a line with a slope of 1/4 through the point (0 -4)

asked by Bob on December 19, 2016
44. ## Algebra

Find a if the point (3,a) is on the line that passes through (-2,7) and (5,-3).

asked by Will on December 31, 2014

Find m if the line y=mx−2 intersects y=x^2 in just one point.

asked by Chris Cook on May 14, 2016
46. ## Algebra

A line, y = mx + b, passes through the point (1,6) and is parallel to y=4x+ 6. What is the value of b?

asked by Me on March 14, 2019

which point is located at 7/12 on the number line below?

asked by Anonymous on December 26, 2010
48. ## Math

Find the distance from the point (2, 3) to the line x − y = 5.

asked by John on December 27, 2013
49. ## geometry

Name the slope and a point on Y-3= -2(x=5)than graph the line

asked by chelsey allen on July 23, 2013
50. ## math

If the point (a,0) and (0,b) and (1,1) lie on the same line, prove that 1/a + 1/b=1

asked by saurav on March 15, 2015
51. ## math

asked by Anonymous on April 1, 2012
52. ## Math

through the point K(3, 5), how do you draw the line with the slope of -2?

asked by Angie on March 12, 2009
53. ## math

which point lies on the line y=-2x-3? Answers: a.) (-2,-1) b.) (-2,1) c.) (-1,-2) d.) (1,1)

asked by Taylor Leigh on April 25, 2012
54. ## Pre-Cal

Find the distance from point (-1, 3) to the line 5x- 4y= 10.

55. ## Geometry

What is the shortest distance from the point (2,1) to the line x-y= -1

asked by Hafzah on February 21, 2013
56. ## Algebra can you give me direction

Graph the line through the given point and with the given slope. (3,5); m = 1/2 Thank you

asked by Mary Ann on June 19, 2014
57. ## math

draw a line with a slope of 1/4 through the point (0 , -4)

asked by help on November 30, 2015
58. ## Vectors

At what point does the line r=(-2,3,1)+s(2,3,-1) intersect the y-axis?

asked by Sara on April 18, 2015
59. ## Math: Geometry

2. Name four line. Segments that have point B as an endpoint. A. AF, CH, AE, BE B. BA, BF, BC, BH 3. AF, CH, AE, BE 4. BA , BF, BC, BH Please help!

60. ## math

is the point (-15, 18) on the line 5y-45=-3x? Justify your answer.

asked by Anonymous on January 19, 2009
61. ## Math

What is an equation of the line having the given slope and containing the given point M = -8,(4,6)

asked by Pam on September 13, 2013
62. ## algebra

What is the equation of the line that is perpendicular to y = 7/9x + 15 and goes through the point (1, -2) ? A. 9x + 7y = 5 B. 9x + 7y = -5 C. 9x + 7y = 23 D. 9x + 7y = -23

asked by opheus on November 13, 2013
63. ## algebra 2

During last night’s basketball game, Lisa Schmidt made 30 points in field goals. A field goal is worth 2 or 3 points. If Lisa made 9 field goals worth 2 points each, how many did she make worth 3 points each? Let x represent the number of 2-point field

asked by Cherry on October 3, 2014
64. ## life skills

how do you make a good mission stement essay? Generally, a good mission statement will follow the outline below: 1. Who are you? 2. What do you do? 3. Why do you do it? 4. What is your promise? 5. Why is that your promise? 6. How will you fulfill your

asked by Ana on September 30, 2006
65. ## Chemistry

1.984 g of a hydrate of K2CO3 is dissolved in 250. mLs of H2O. 10.0 mLs of this solution is tirade against 0.100 M HCl, producing the following results. Flask 1 - Initial 0, final 9.2 Flask 2 - Initial 9.2, final 18.3 Flask 3 - initial 18.3, final 27.8

asked by Candice on January 12, 2015
66. ## Precalculus

Sorry ok I was talking about on the unit circle how come the slope of the reference line (say if you were to angle pi/2, the reference line would be the positive y axis from y equals zero to y equals one, I think this line is called this, like if you were

asked by Joe on December 2, 2009
67. ## Maths: A Cup of Coffee Anyone??? :)

Hey Guys, It's that time of the term again when all exams are popping up!! I'm just wondering if you'd be able to help me with this maths question that I'm a bit stuck on. What we have to basically do is find out whether a cup of coffee will stay hotter

asked by chantelle on August 15, 2006
68. ## Geometry

I have a rectangle MNOP ~ rectangle STUV. What is the length of line TU?? First rectangle is MNOP with 10 on top and 4 on the side. Second rectangle is STUV. With the top marked X for the unknown number and n the side is 6. I need help solving this. Do you

asked by R on March 5, 2016
69. ## math question

How do you do rates and unit prices and what is the process for doing this types of problems Do you have a specific problem? if all the horizontal lines are parallel , what is the value of x? for rates: 25 miles/5 hours = 5 miles/1 hour To get a unit rate,

asked by patti help on March 13, 2007
70. ## Math calculus 2

Let S be the region of the xy-plane bounded above by the curve ((x^3)*y)=64, below by the line y=1, on the left by the line x=2, and on the right by the line x=4. Find the volume of the solid obtained by rotating S around (a) the x axis (b) the y axis (c)

asked by Isabella on February 15, 2018
71. ## physics 2

A charged line extends from y = 2.50 cm to y = -2.50 cm. The total charge distributed uniformly along the line is -9.00 nC. At what distance x does the result for the infinite line of charge differ by 1.0% from that for the finite line?

asked by stacy on September 19, 2010
72. ## Algebra 1 Answer Evaluation

Write the equation in point-slope form for the line with the given slope that contains the given point. 1. slope = 3; (5, 12) A: y = 3x - 3?

asked by Victoria on May 13, 2014
73. ## Math

A point P is uniformly chosen inside a regular hexagon of side length 3. For each side of the hexagon a line is drawn from P to the point on that side which is closest to P. The probability that the sum of the lengths of these segments is less than or

74. ## physics

A skier starts at rest and glides (without friction) directly down the fall line from the highest point of a giant snowball with a radius of r=31.7 m . The skier can be observed as a point mass and the air resistance is negligible. What speed v does the

asked by alia on April 9, 2017
75. ## College Physics II

A charge of -4.191 μC is located at (5.100 m, 6.402 m), and a charge of 1.895 μC is located at (-1.436 m, 0). Calculate the electric potential at the origin There is one point on the line connecting these two charges where the potential is zero. What is

asked by VJC on September 15, 2010

1) Where in the phase diagram of a compound do all phases exist together? a) at the sublimation point b) at the boiling point c) at the melting point d) at the critical point e) at the triple point I chose answer E, the triple point. Is this correct?

asked by Hannah on January 28, 2012
77. ## Mathematics

A tree is "x"meters high. The angle of elevation of its top from a point P on the ground is 23degrees. Form another point Q, 10meters from P and in line with P and the foot of the tree, the angle of elevation is 32degrees. Find "x". (i need a way on how to

asked by anonymous on March 5, 2008
78. ## IMPORTANT MATH NEED HELP NOW!!!

. Evaluate the expression. 2(y + 2) for y = 3 (1 point) –4 8 10 2 2. The cost in dollars of a field trip is 64 + 14n, where n is the number of people attending. What is the cost for 48 people? (1 point) \$736 \$126 \$896 \$910 3. Write a word phrase for p

asked by Eevee on November 17, 2015
79. ## Algebra

I have 2 questions in math that I am not quite sure about... 1. Mandy begins bicycling west at 30 mph at 11 A.M. If Liz leaves from the same point 20 min. later bicycling west at 36 miles per hour, when will she catch Mandy? 2. A mixture of 10% acid and

asked by Becca on December 7, 2009
80. ## Algebra

I have 2 questions in math that I am not quite sure about... 1. Mandy begins bicycling west at 30 mph at 11 A.M. If Liz leaves from the same point 20 min. later bicycling west at 36 miles per hour, when will she catch Mandy? 2. A mixture of 10% acid and

asked by Becca on December 7, 2009
81. ## Alg. 2

I know how to graph polynomial functions, but i'm having a hard time getting the second point on this one. f(x)=x(x-1)(x+2)(x+2). I graphed my zeros and made the right arrow go up and the left arrow go down. I plotted my first point by pluggin in -1. My

asked by Miley on February 13, 2008
82. ## Solid Mensuration 04/15/16

Given trinagle ABC whose sides are AB=15 in., AC=25 in., and BC=30 in. Form a point D on the side AB, a line DE i drawn to a pointE on side AC such that angle ADE is equal to angle ABC. If the perimeter of triangle ADE is 28 in., find the lengths of line

asked by Glenn on April 14, 2016
83. ## physics

A quarterback takes the ball from the line of scrimmage, runs backward for 18.0 yards, then runs sideways parallel to the line of scrimmage for 16.0 yards. At this point, he throws a 49.0-yard forward pass straight down the field. What is the magnitude of

asked by james on September 16, 2015
84. ## Physics

A quarterback takes the ball from the line of scrimmage, runs backward for 19.0 yards, then runs sideways parallel to the line of scrimmage for 12.0 yards. At this point, he throws a 43.0-yard forward pass straight down the ﬁeld. What is the magnitude of

asked by Anna on October 22, 2017
85. ## Math: Equations of Lines

Determine the parametric equations of each of the following planes: -------------------------- g) the plane containing the 2 intersecting lines: r = (5,4,2) + t(4,-2,1) r = (1,6,-6) + s(6,-4,4) My Attempt: x = 5 + 4t + 6s y = 4 -2t - 4s z = 2 + t + 4s

asked by Anonymous on March 19, 2008

In triangle PQR, we have

asked by Gem on April 1, 2015
87. ## math

An instructor counts homework as 1/3 of the student's grade and the final exam to be 2/3 of the student's final grade. Going into the final exam a student has a homework grade of 48%. What range of scores on the final exam would put the student's final

asked by Jessica on September 30, 2007
88. ## Math- Slope

two lines past through point (2,4) Line 1 passes through (-2,1) while line 2 passes through (4,0). What is the slope of one of these lines?

asked by Leslie on July 27, 2017
89. ## math

A surveyor has a unit pace of 0.9 m/pace. (a) she counts 37 paces while walking From point C to point D. What is the distance between C to D? (b) how many paces should the same surveyor. count to lay out a line roughly 122m long?

asked by sal on July 4, 2011
90. ## physics

A person exerts a force of 6.0 N at a point which is 90 cm from the hinged side of a door. If the torque is 5.2 N m then determine the angle between the force vector and the line that runs directly from the point to the hinged side.

asked by john on December 11, 2012
91. ## math

The locus of a point whose distance from point (0,5) is always 3/4 of its distance from the line Y=8 is an elipse. Find the equation,centre, length of the major axis, length of the minor axis and the foci of the ellipse.

asked by saud on December 18, 2016
92. ## uhd

int carry=0; int prod,i,j,rem; int base=10; else if ( op == '*' ) //checks for operator, performs array multiplication { for(i=size-1; i>-1;i--) { for(int j=size-1; j>-1;j--) { prod =firNum[i]*secNum[j]; prod += carry; if(prod>=base) { carry = (prod/base);

asked by sardar on February 16, 2012
93. ## Math

Mario says that are reflecting a point XY across the y axis and then dilating the reflection images by r will produce the same final image as dilating the point by r first and the reflecting the dilation image across the y axis. Use coordinate notation to

asked by Sqm on February 25, 2016
94. ## Physics

A car is traveling at 7.0 m/s when the driver applies the brakes. The car moves 1.5 m before it comes to a complete stop. If the car had been moving at 14 m/s, how far would it have continued to move after the brakes were applied? Assume the braking force

asked by Kayla on November 12, 2016
95. ## Physics

0.17 kg point mass moving on a frictionless horizontal surface is attached to a rubber band whose other end is fixed at point P. The rubber band exerts a force F = bx toward P, where x is the length of the rubber band and b is an unknown constant. The mass

asked by Derek on November 3, 2010
96. ## Language Arts

"who are those old men bent over in the sunshine? Skeletons of corn" Which line or lines show the distressing tone of the poem 1. line 1 2. line 2 3. line 3 *** 4. lines 1 and 2

asked by BoTheTruthThompson on March 26, 2017
97. ## Language

which statement describes the translation form of a haiku poem? A. A three line poem with seven syllables in the first and third lines and five syllables in the middle line.•• B. A nine line poem with five syllable in odd numbered lines and seven

asked by Vanessa on February 1, 2016
98. ## Math

1. Write an equation in slope- intercept form of the line that passes through the given point and is parallel to the graph of the given equation. (2,-2);y=-x-2 A. y=-2x B. y=2x C. y=1/2x D. y=-x*** 2. Write an equation in slope- intercept form of the line

asked by EmberShy on March 8, 2017
99. ## Calculus

Let g be a function that is defined for all x, x ≠ 2, such that g(3) = 4 and the derivative of g is g′(x)=(x^2–16)/(x−2), with x ≠ 2. a.Find all values of x where the graph of g has a critical value. b.For each critical value, state whether the

asked by Gary on May 8, 2015
100. ## Art

What technology was the key to the efficiency of Gutenberg's printing press? Strong roller moveable type** specialized ink strong paper Prior to the invention of the printing press, what groups of individuals had the most access to books? peasants and

asked by Bored & Lonely on April 27, 2015