# 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 230
1. ## physics

An insect walks 50 cm in a straight line along a wall. if its horizontal displacement is 25 cm,? calculate its vertical displacement.

asked by saima on January 2, 2015
2. ## Math

I am confused on this: Explain how to use a number line to find the opposites of the integers 3 units away from -7. What does it ask you to do here, and which way to you go when it asks you 3 units away from -7?

asked by riona on November 12, 2017
3. ## Romeo and Juliet question.

The capulets and the Montagues have caused troubles for the prince before. I can't find a line in the book to help me prove this. Someone help me find it?

asked by Allyson on April 12, 2011
4. ## physics

consider the plot below describing motion along a straight line with an inital position of x0= 10m what is the position at 2 seconds?

asked by gurl on September 5, 2012
5. ## Calculus (derivatives)

Find the points on the graph of f where the tangent line is horizontal. x/x^2+25 I know you have to do the quotient rule to find the derivative, but then I do not know what to do after that.

asked by Eve on September 17, 2013
6. ## Another Geometry question

B is between A and C. AB=4x+3 BC=3x-2 AC=57 What is the value of x? Solve the relationship AB + BC = AC Substitute the appropriate algebraic expressions for the line lengths. The result will be the equation 7x + 1 = 57 Solve that.

asked by Jim on August 4, 2007
7. ## Physics

A model airplane is tethered by a wire. How could you calculate the tangential speed of the airplane if the line breaks?

asked by Yasmn on April 20, 2010
8. ## calculus

Consider the solid obtained by rotating the region bounded by the given curves about the line x = 4. x= 4y^2 , x = 4 Find the volume V of this solid.

asked by JESSICA on February 17, 2010
9. ## Math

Triangle ABC has a right angle at C. The bisector of an exterior angle at B intersects line AC at D. If AB=13 and BC=5, what is the length of segment BD?

asked by Gems on October 24, 2016
10. ## algebra

I need help writing the equation of the line passing through the given pairs of points, writing in a slope-intercept form 1. (-1,3) and (4,-2) 2. (2,-3) and (2,4)

asked by jaygyrl on August 28, 2007
11. ## Algebra

An unmanned aerial vehicle (UAV) carries 45 gallons of fuel. It burns fuel at a rate of 3 gph (gallons/hour) and flies at a speed of 160 mph (miles/hour). We want to fly it to a location X, fly around the area for 1 hour, and then fly it back to the

asked by School123 on December 4, 2017
12. ## microeconomics

Ok, if anyone is able to help me within the next 12 hours or so, that would be wonderful! I think I am going about this problem correctly -- I am not looking for someone to solve this problem for me, but for someone to tell me if I am doing it right... You

asked by Dave on August 31, 2006
13. ## com 220

Students should follow the steps in Finding, Evaluating, and Utilizing Information to complete a general search for reliable sources: (1) What is the purpose and affiliation of the organization or author related to the article? (2) What are the author’s

asked by Leigh on December 3, 2008

The same scenario, different roles and perspectives: The Situation. A company recently installed an Eazy-Air Model 77 air conditioner in your upstairs den. You are Norman E. Stocker, of 41 Citrus Place, Sumatra, FL 32691. Your wife supervised the work.

asked by Mr. Salman on August 16, 2007
15. ## algebra

The yearly production of a 6 foot orange tree is 40 pounds of oranges. A 16 foot tree produces 65 pounds.? Let H represent the height of an orange tree and p the number of pounds of oranges produced. a). List the ordered pairs. (H.P) What is the ordered

asked by Brittani on March 27, 2012
16. ## Chemistry

What improvements could i make to this lab? so far i only have that the graduated cylinder should be changed to a buret for a more accurate measurement. Procedure: Part 1 Begin by measuring the mass of the empty calorimeter and record the value. Next, add

asked by Kate on October 24, 2007
17. ## help me with this language arts.

Multiple Choice Vocabulary 1. Another word for buoyed is (1 point) tired. bothered. lifted. 2. If someone is an optimist, he is generally (1 point) happy. distant. outgoing. disappointed. 3. Something that is nutritious is (1 point) hard to find. good for

asked by josh on February 23, 2014
18. ## socialstdies

What did the Union Army gain as a result of the Battle of Vicksburg? (1 point) The Union Army captured thousands of prisoners of war. The Union Army used Southern slaves as fresh recruits. The Union Army gained control of the Mississippi River. The Union

asked by XenaGonzalez on January 24, 2015
19. ## main idea

This question is based on the following passage. Both Seagulls and wild geese are large birds. They're also similar in that both kinds of birds can fly over great distances. On the other hand, seagulls are scavengers, while wild geese aren't. Seagulls, for

asked by stevenson high school on February 16, 2015
20. ## Physics

A boat is to be driven from a point on the South bank of a river which flows West-to-East to a destination on the North Bank. The destination is in a direction of N60E from the starting point. The river is 0.2 km wide. The driver of the boat finds that in

asked by Anonymous on March 2, 2008
21. ## geometry

When constructing parallel and perpendicular lines, how are the steps similar? Intersecting arcs are created and connected.* A protractor and ruler are used to take accurate measurements. Four right angles are created. There are no similarities When

asked by saul on September 4, 2015
22. ## LA

For questions 17–19, refer to the passage below: Albert Einstein, a world-famous mathematician was born in Bavaria in 1879. He acquired Swiss nationality in 1901 and he began working at the Swiss patent office the next year. Einstein was however also

asked by dfca on June 10, 2014
23. ## Trigonometry

At the ocean, it is known that the tide follows a trigonometric path. At high tide, the water comes in to a point 1 meter from where I placed a flag. At low tide, the water comes in to a point 11 meters from the same flag. The time it takes from to get

asked by Fred on August 15, 2010
24. ## accounting

Post-closing trial balance What am I supposed to do when the balance is not equal? As in credits do not match debits. I follow the instructions in the book but no matter what it just does not match, even if i do all the debits on one side and all the

asked by Chels on February 20, 2008
25. ## chin

The following data shows the annual salaries of 12 randomly selected employees of a company (in £ 1000’s) on the X-axis and the average number of days they have taken days off work in the last 10 years on the Y-axis. Y X Y X 11.1 29.6 9.6 39.2 8.4 58.6

asked by lee on November 13, 2014
26. ## was not in class bio/ math

Preparing a Solution: A. Calculate the amount of methylene blue chloride (MW = 319.8 g/mol) needed to make 50 ml of a 10 mM stock solution. (Show calculations below) B. If you wanted to then dilute the solution from Part A to a final concentration of 0.1mM

asked by emily on September 20, 2016
27. ## physic

Suppose 0.0150 kg of steam (at 100.00°C) is added to 0.150 kg of water (initially at 19.3°C.). The water is inside a copper cup of mass 54.1 g. The cup is inside a perfectly insulated calorimetry container that prevents heat flow with the outside

28. ## physics

Suppose 0.0150 kg of steam (at 100.00°C) is added to 0.150 kg of water (initially at 19.3°C.). The water is inside a copper cup of mass 54.1 g. The cup is inside a perfectly insulated calorimetry container that prevents heat flow with the outside

29. ## physics

Suppose 0.0290 kg of steam (at 100.00°C) is added to 0.290 kg of water (initially at 19.7°C.). The water is inside an aluminum cup of mass 44.7 g. The cup is inside a perfectly insulated calorimetry container that prevents heat flow with the outside

asked by jason on April 9, 2011
30. ## MATH

AN AIRPLANE HEADS DUE NORTH 100MPH. IT EXPERIENCES A 20 MPH WIND FLOW IN THE DIRECTION S45(DEGREES)E. DETERMINE THE SPEED AND DIRECTION OF THE AIRPLANE. Dreaded vectors. Draw your vector diagram and do each part individually then use the x and y components

31. ## physics

a 1500 kg car travelling at 16.7 m/s to the south collides with a 6300 kg truck that is initially at rest at a stop light. the car and the truck sticks togetherand moves together after the collision. what is the final velocity of the two-vehicle mass?

asked by OMAR on May 30, 2011
32. ## chemistry

in a vessel, 0.6 mol Ba(NO3)2 and .3 mol H3PO4 are combined w deionized water to a final vol of 2 L. 3Ba(NO3)2 + 2H3PO4 --> Ba3(PO4)2 + 6HNO3 1. Calclate mass of Ba(PO4)2 formed 2. calcualate pH of HN03 3. What the concentation in mol/L of the nitrate ion

asked by im stressed! on March 10, 2010
33. ## Physics

Suppose 0.015 kg of steam (at 100.00 °C) is added to 0.20 kg of water (initially at 14.0°C). The water is inside an aluminum cup of mass 40 g. The cup is inside a perfectly insulated calorimetry container that prevents heat exchange with the outside

asked by Anonymous on December 8, 2014
34. ## physics

Suppose 0.0150 kg of steam (at 100.00°C) is added to 0.150 kg of water (initially at 19.3°C.). The water is inside a copper cup of mass 54.1 g. The cup is inside a perfectly insulated calorimetry container that prevents heat flow with the outside

asked by John on April 5, 2011
35. ## Math

Please let me know if I am right on these. Mystery #1. 1. The mystery shape has fewer than 3 lines of symmetry. 2. It has at least 1 pair of perpendicular sides. 3. It has at least 1 pair of parallel sides. 4. It has less than 1 obtuse angle. This is what

asked by Rayna on March 26, 2011
36. ## math

u know how deka and deci are on the metric scale?well wat if the question is convert 100 dm into (answer)Dm? I assume you are using Dm for decameters. The correct abbr. is da. Here is what I do. kilo hecto deca unit, meter, liter, second, etc deci centi

asked by chemiii on October 29, 2006
37. ## biomechanics

When a weight-lifter lifts a weight equal to his upper body weight his trunk makes an angle of 40 degrees, with the vertical, as shown in the diagram below. In this position the erector spinae muscles exert a large force on the sacrum at an angle of 40

asked by dmkp on December 12, 2012
38. ## statistics

2. Using the MM207 Student Data Set: a) Select a continuous variable that you suspect would not follow a normal distribution. b) Create a graph for the variable you have selected to show its distribution. c) Explain why these data might not be normally

asked by amy on April 4, 2012
39. ## Language arts

1. If your teacher raves about you to your parents, this means she thinks you are misbehaving. thinks you are a good student. thinks you might be sick. 2. Read the following excerpt from "Dandelion Wine," then answer question 2."The magic might die by the

asked by Mstv on June 1, 2014
40. ## Strategy

How are the tactical plan and the goals related to long-term objectives (LTO) and Critical Success Factors in your experience? IDK How can you be successful in reaching goals, if you don't define what your goals are and develop specific methods for

asked by Ms Brown on March 1, 2007
41. ## Geometry

1) What are the converse, inverse, and contrapositive of the statement? Which statements are true? If the figure is a rectangle with sides 2 cm and 3 cm, then it has a perimeter of 10cm. My A: the statement is not true. 2) What are the hypothesis and the

asked by Sam on October 7, 2016
42. ## Geometry

1) What are the converse, inverse, and contrapositive of the statement? Which statements are true? If the figure is a rectangle with sides 2 cm and 3 cm, then it has a perimeter of 10cm. My A: the statement is not true. 2) What are the hypothesis and the

asked by Mary on October 7, 2016
43. ## phys

Water flows steadily from an open tank into a pipe as shown in the figure. The elevation of the top of the tank is 12.3 m, and the elevation at the pipe is 3.80 m. The initial cross-sectional area of the pipe (at point 2) is 5.60×10−2 m^2; and at where

asked by ami on December 9, 2009
44. ## English

posted by rfvv today at 12:00am 1. The club will ( perform ) at the school festival next month. 2. The club will *play* at the school festival next month. ====================== Thank you for your help in many ways. The correct word for the blank in

asked by rfvv on July 4, 2018
45. ## Marketing

9. The annual planning at Century Office Systems, Inc. had been arduous but produced a number of important marketing initiatives for the next year. Most notably, company executives had decided to restructure its product-marketing team into two separate

asked by BABI on May 10, 2010
46. ## Functions

6. Barry bought a boat two years ago and at that time paid a down payment of \$10000 cash. Today he must make the second and final payment of \$7500, which includes the interest charge on the balance owing. Barry financed this purchase at 13.7%/a. Determine

asked by Quinn on May 16, 2017
47. ## physics

A piece of aluminum (specific heat 910 J/kg C) of mass 200 g at 80C is dropped into a styrofoam cup filled with 100 mL of water at 20C. What the final temperatures of the water and the aluminum? Show calculations. I have Q=m c T but I got 80C which I know

asked by Sarah on July 4, 2010
48. ## math

George drove 3 miles south and 1 mile west. Using a coordinate plane to represent his trip, let the y-axis run north and south, let the x-axis run east and west, and let his original position be the intersection of the axes. Which ordered pair best

asked by Anonymous on January 17, 2012
49. ## physics(heat)

a mixture of 250g of water and 200g of ice at 0deg C is kept in a calorimeter which has a water equivalent of 50g. if 200g of steam at 100deg C is passed through this mixture, calculate the final temperature and the mass of contents of the calorimeter. ans

asked by ridhi on May 29, 2012
50. ## chemistry

Consider a solution made by mixing 500.0 mL of 0.04182 M Na2HAsO4 with 500.0 mL of 0.03645 M NaOH. Complete the mass balance expressions below for Na and arsenate species in the final solution. There are 4 arsenate species, but I only got three of them. I

asked by Jackie on March 23, 2013
51. ## Physics

A 1800 kg mass car is traveling south at a velocity of 15 m/s through an intersection. It is hit by a 3500 kg mass car traveling east at 20 m/s. If the two cars collide and become one object (perfectly inelastic). What will be the final displacement of the

asked by Clara on January 30, 2015
52. ## quantitative chemistry

Consider a solution made by mixing 500.0 mL of 0.04182 M Na2HAsO4 with 500.0 mL of 0.03645 M NaOH. Complete the mass balance expressions below for Na and arsenate species in the final solution. There are 4 arsenate species, but I only got three of them. I

asked by Jackie on March 22, 2013
53. ## chemistry

If all of the chemical potential energy stored in a 100 Calorie snack pack was converted to thermal energy and subsequently absorbed by water, what would be the final temperature of the water? Assume you have a 1.5 mole sample of water initially at 25

asked by Kris on December 14, 2009
54. ## Elasticity

Hi guys, could you please help me with this question; What reason would firms wish to have knowledge in regards to the income elasticity of demand for its products??? Is it because it allows them to see what happens to their total revenue as price

asked by Sarah on September 28, 2006
55. ## eth

‚· Prepare a 1,400- to 1,750-word autobiographical research paper that analyzes the influences of race as it relates to your community. In your paper, write your first-person account of how human interactions in your community have been racialized. For

asked by patiance on May 9, 2009
56. ## stats

On the third day of Statistics, my teacher gave to me….three French hens. Because she is in a hurry, she randomly selects three pets from the local pet store. Find the probability that she selected three French hens. Hens Chickens French 10 20 American

57. ## Statistics

On the third day of Statistics, my teacher gave to me….three French hens. Because she is in a hurry, she randomly selects three pets from the local pet store. Find the probability that she selected three French hens. Hens Chickens French 10 20 American

asked by Danny on December 23, 2015
58. ## early childhood education

Need help on wrting a final paper on a combination of philosiphies, theories, and concepts and demostrate how they apply to the earlychildhood classroom. The primary focus will be on the comprehensiveness of the many components that are neccassry to

asked by lakesha stallworth on March 30, 2013
59. ## American literature

1. Reread the final paragraph of the speech of Pontiac (page 445) and the closing lines of Logan’s message, as set down by Jefferson (page 450). Between oral discourse and written discourse, what are the crucial differences in reaching and holding the

asked by Kiara on July 19, 2014
60. ## AP Calc

find the area in the first quadrant bounded above by y=sinx, below by the x-axis, and to the right by x=pi/2 is divided into two equal parts by the line x=a. Find a.

asked by Josh on March 1, 2015
61. ## Physics

Particles of charge +65, +48, and −95 μC are placed in a line. The center one is L = 60cm from each of the others.Calculate the net force on the left charge due to the other two.

asked by Mary on January 31, 2015
62. ## science

An automobile is pulled by a horizontal tow line, with a force of 900 N. If its acceleration is 1.0 m/s2, calculate the mass of the automobile.

asked by tash on January 30, 2013
63. ## bobpursley: math cont

find the equation (in slope intercept form) the line passing through the points with the given coordinate (-1,-1) (-3,-3) ok slope 1 y+3=1(x-(-3) y+3=1x-3 -3 -3 y=x-6.. correct?

asked by jerson on February 23, 2010
64. ## Physical Science

If you poked 3 holes in a vertical line in a bottle filled with water, which hole will spurt water the furthest? Why? -thanks so much for your help!

asked by Ellen on March 17, 2008
65. ## Physics Honors

A punter in a football game kicks a ball from the goal line at 60° from the horizontal at 25 m/s. How far down field does the ball land?

asked by Jacqueline on December 2, 2011
66. ## math

use your fraction strips to locate and label these numbers on a number line: 0, 3/4, and 7/8. Then use your fraction strip to measure the distance between 3/4 and 7/8.

asked by learning on October 19, 2014
67. ## math

an automobile traveling in a straight line at the speed of 70 km/hrs, slow down to 50 km/hrs in 5 seconds. What is the average acceleration?

asked by Vangie on January 25, 2016
68. ## math

suppose you want to build a stright line fence that is 300ft long. If you place the posts every 10ft, how many posts do you need?

asked by Grutrede on September 30, 2011
69. ## math

How many ways can seven basketball players of different heights line up in a single row so no player is standing between two players taller then herself?

asked by robin on January 31, 2010
70. ## Calculus

Which of the following integrals represents the volume of the solid formed by revolving the region bounded by y=x^3, y=1, and x=2 about the line y=10? a) pi*∫from (8-1) of (10-y)(2-y^(1/3))dy b) pi*∫ from (1-2) of (81-(10-x^3)^2)dx c)2pi*∫from (1-8)

asked by Fred on January 4, 2016
71. ## math

the end points of a line segment are A (-7, -1) and B (5,5) determine the equation of right bisector of AB show that the origin 0,0 lies on the right bisector of AB

asked by cam on August 18, 2012
72. ## calculus

R is the first quadrant region enclosed by the x-axis, the curve y = 2x + a, and the line x = a, where a > 0. Find the value of a so that the area of the region R is 18 square units.

asked by Bree on May 20, 2016
73. ## Geometry - Angle of rotation

What is the measure of the angle of rotation with respect to two lines that intersect to form a 25° angle? 25 degrees is how much one line is rotated from the other

asked by John on August 2, 2007
74. ## geometry

the following system of equations bounds a region. If the region is rotated about the line x=0, what is the shape of the resulting solid figure? y=-2x+4 X=0 Y=0 Y=2

asked by al on March 24, 2015
75. ## English/Latin

I need help writing an epigram in english that I must translate into Latin. 2-4 lines witty last line simple (since I must translate it) Nothing vulgar

asked by Taylor on December 1, 2008
76. ## math

How many ways can seven basketball players of different heights line up in a single row so no player is standing between two players taller then herself?

asked by robin on January 26, 2010
77. ## ALgebra

use slopes to show that the triangle with vertices (-2,7), (6,9) and (3,4) is a right triangle. write an equation of the line that has y-intercept 5/7 and is parallel to the graph of 6x-3y=1

asked by jose on October 19, 2010
78. ## solid

ABC is a right triangle with C as the right triangle and sides AC=6 cm and BC= 8 cm. line segment CD is drawn perpendicular to both AC and BC at C. if CD= 12 cm, find the distance from D to midpointS of AB

asked by edong on February 4, 2015
79. ## Math

A rectangle with vertices at (2,5), (7,5), (7,8) and (2,8) is revolved around the line y=5 to obtain a cylinder. What is the volume of the cylinder? Express your answer in terms of pi.

asked by Jacob on December 6, 2011
80. ## geometry

I need to rotate the line the given no. of degrees (a) about the x-intercept and (b) about the y-intercept need to write equation of each image. don't know how to start y = 2x- 3;90degree

asked by pat on November 17, 2009
81. ## science

A 63 kg astronaut on a spacewalk when his line breaks. He throws a 10 kg o2 tank away from the ship with a v=12 m/s. This propels him back to the ship. Assume his v1=0; what is his v2?

asked by Julia on February 4, 2018
82. ## Calculus

A rectangle has a vertex on the line 3x + 4y = 12. Two of its sides lie along the positive x and y axes. Find the maximum possible area of such a rectangle.

asked by I on September 25, 2017
83. ## math

Attach 6 trapezoids to one hexagon for each figure Figure 1: One line of symmetry and no rotational symmetries (other than 360 degrees)

asked by danny on August 26, 2012
84. ## Math

Find the maximum area of a triangle formed in the first quadrant by the x-axis, y-axis, and a tangent line to the graph of y = (x+1)^-2

asked by Javier on November 12, 2010
85. ## geometry

If it is given that in triangleJKL that has a lineMN passing through it thatlineMN is parallel to line segmentKL, then prove that triangleJKL is similar to triangleJMN.

asked by cody on June 3, 2010
86. ## Algebra

d) Suppose you want to add a sprinkler system, and the location of one section of the sprinkler line can be described by the equation y= -1/2x -4; this is what I got 4+y= -1/2x-4+4; y=4 and -1/2x + 1/2 making x=0 (0,4) is this correct?

asked by A. W. on February 15, 2009
87. ## LAW

1. A “bright-line” decision may be helpful because: A. it is subject to very little interpretation. B. it promotes clarity and predictability. C. it promotes consistency. D. All of the above. is it D

asked by Amy on December 9, 2013
88. ## physics

A car traveling in a straight line has a velocity of 3.19 m/s at some instant. After 5.4 s, its velocity is 12 m/s. What is its average acceleration in this time interval?

asked by Francisco on September 29, 2014
89. ## dynamic

A particle moves along a straight line with an acceleration of m/s2, where s is in meters. Determine the particle’s velocity when s = 2m, if it start from rest when s = 1m.

90. ## geometry

Angle ABC measures 120 Degrees and is bisected by line BD. Find x if the measure of angle ABD is (1/2)x+5

asked by hally more on September 29, 2011
91. ## Calculus 2

Find the volume of the solid obtained by rotating the region bounded by the curves y=cos(X), y=0, x=0, x=pi/2 about the line y=-1 Volume=?

asked by RaShawnya on February 20, 2018
92. ## Math

1. Determine which ordered pair is a solution of y = x^2-2 (5, 21), (–5, 24), (–1, –1), •• (–2, 6) 2. Without graphing, tell whether the line containing (6, –3) and (0, –8) is horizontal, vertical, or neither I think it's horizontal Correct

asked by Queen on April 10, 2016
93. ## chemistry

The Rydberg equation (1=Rni 2–Rnf 2) can be treated as a line equation. What is the value of nf as a function of the slope (m) and y-intercept(b)? A. –mb^2 B. (–m/b)^(1/2) C. m/b D. (m/b)^(1/2) E. (mb)(1/2) F. None of these are correct.

asked by tea on January 11, 2010
94. ## Math help ASAP

Workers on the assembly line produce 4x + 6 boats each day. Which expression shows how many boats they produced in 12 days? A) 12(4x + 6)*** B) 12(4x) + 6 C) 12/4x+6 D) 4x+6/12

asked by Anonymous on February 16, 2018
95. ## 8th math

How many ways can seven basketball players of different heights line up in a single row so no player is standing between two players taller then herself?

asked by Robin on January 28, 2010
96. ## Algebra

I found three points of the equation x-2y=b which were (4, -2) (0,-4)(-4,-6) But the question further asks to convert the equation of the new line to standard form ax+by=c. I'm so confused. Can anyone please help?

asked by Anonymous on October 5, 2015
97. ## math

the price for pears is y=2.75x which line would have the steepest slope if organic apples and pears were added to the graph

asked by ciara on May 8, 2015
98. ## mathematics

Draw a graph of the mirror line y=x, the function f:x 3x+2 and its inverse f`1 x x-2/3, for the domain of x, -2

asked by trina on September 7, 2009
99. ## geo

I need to find the the height of the prism, the volume of the prism, and the area of the base. The front has a measurement of 8 cm and the line on the side has 19 cm. can you please help me.

asked by Hannah on May 27, 2013
100. ## Mathematics

1. Determine which ordered pair is a solution of y = x^2-2 (5, 21), (–5, 24), (–1, –1), •• (–2, 6) 2. Without graphing, tell whether the line containing (6, –3) and (0, –8) is horizontal, vertical, or neither I think it's horizontal Correct

asked by Queen/Halle on April 10, 2016