# 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 412
1. ## Literature/English Questions

Please, I am struggling with these. Can someone help me by answering them? Or at least assisting me to? Thank you in advance to anyone who are able to. These questions regard the short-story "The Secret Life of Walter Mitty." Describe each character's

asked by Anonymous on February 23, 2014
2. ## math

Abbey steers her boat in a North Easterly direction for 15 s, East for 6 s and then stops to avoid hitting a duck. If her boat travels at a constant speed of 10 m/min during this time, what is the distance and compass bearing of Abbey’s boat from the

asked by Rianna on April 2, 2012
3. ## Physics

A race car starts from rest on a circular track of radius 507 m. The car's speed increases at the constant rate of 0.790 m/s2. At the point where the magnitudes of the centripetal and tangential accelerations are equal, find the following. (a) the speed of

asked by Ed on November 30, 2009
4. ## English

I have a question about the point of view of this would be story; It starts with this sentence: I was drving down the mainstreet in a small city and was astounded to see an old buddy looking like he had been dragged through the mud.. The story will

asked by Anthony on September 23, 2011
5. ## statistics

A survey of college students was conducted during final exam week to assess the number of cups of coffee consumed each day. The mean number of cups was 5 with a standard deviation of 1.5 cups. The distribution was normal. a. What proportion of students

asked by Scott on October 20, 2011
6. ## physics

a base ball player hits a home run and the ball lands in the left field seats 10m above the point at which the ball was hits. the ball lands with a velocity of 20m/s at angle of 30 degere below the horizontal.ignoring air reference find the initial

asked by abebe on June 15, 2012
7. ## Chemistry

A biochemical engineer isolates a bacterial gene fragment and dissolves a 11.8 mg sample of the material in enough water to make 36.1 mL of solution. The osmotic pressure of the solution is 0.340 torr at 25°C. (a) What is the molar mass of the gene

asked by Stevi on February 16, 2013
8. ## college physics

A fisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. It takes a time of 2.70 s for the boat to travel from its highest point to its lowest, a total distance of 0.700 m. The fisherman sees that

asked by linda on April 14, 2010
9. ## physics

Suppose we wish to use a 4.0 m iron bar to lift a heavy object by using it as a lever. If we place the pivot point at a distance of 0.5 m from the end of the bar that is in contact with the load and we can exert a downward force of 640 N on the other end

asked by lol on November 16, 2014
10. ## PHYSÝCS

At the end of the spring term, a high school physics class celebrates by shooting a bundle of exam papers into the town landfill with a homemade catapult. They aim for a point that is 31.1 m away and at the same height from which the catapult releases the

asked by help on February 27, 2012
11. ## PHYSÝCS

At the end of the spring term, a high school physics class celebrates by shooting a bundle of exam papers into the town landfill with a homemade catapult. They aim for a point that is 31.1 m away and at the same height from which the catapult releases the

12. ## Chem.

Ethanol has a heat of vaporization of 38.56 KJ/Mol. And a normal boiling point of 78.4 degrees celcius. WHAT is the vapor pressure of ethanol at 18 degrees celcius?? Okay...I don't really get out to solve for it actually. ln (P2/760 torr)= -38560/8.3145 *

asked by Joseph on February 10, 2010
13. ## statistic

Fourth-grade children were asked what emotion they associated with the color red. The responses for emotion and gender of the children are summarized in the following two-way table Anger Pain Happiness Love Male 35 27 12 38 Female 27 17 19 39 What

asked by Helen on December 14, 2013
14. ## English

How can I distinguish in writing the title of a collection of a poem and a single poem? Example: William Wordsworth Lyrical Ballads (italics + underlined??) Preface to Lyrical Ballads Daffodils Solitary Reaper 2) How can you point out that the students

asked by Henry1 on May 9, 2011
15. ## physics

Leon’s bicycle wheels have a circumference of 2 m. What is his linear speed when the wheels rotate at 1 revolution per second? Show all work leading to your answer. The wheel doesn't slip on the ground so the ground goes by at the same rate that a point

asked by Ciara on April 5, 2015
16. ## PSYCHOLOGY

which of the following mothers has the greatest chance of birthing a baby with birth defects due to contracting rubella during pregnancy? A a woman who has the illness during the first month of pregnancy B a woman who contracts the disease during the

asked by tzeni on January 5, 2009
17. ## Physics

Aroldis Chapman throws a baseball towards a batter from a height of 2.3 m, the batter is 17.5m away from the release point. The initial velocity is directed 1.8 degrees below the horizontal. Ignore air resistance. (a) What must the initial speed of the

asked by Thank You on January 23, 2013
18. ## English

I forgot to add a point to the linguistic objectives. By the way, what do you think of the linguistic objectives I included? 1) achieve high levels of competence in English as a preparation to (end-year/last-year of high school) English CLIL (Content and

asked by Henry2 on February 5, 2012
19. ## physics

A meterstick is held vertically above your hand, with the lower end between your thumb and first finger. On seeing the meter stick released, you grab it with those two fingers. You can calculate your reaction time from the distance the meterstick falls,

asked by andrea on January 26, 2011
20. ## Physics

a block of mass m=10kg is released from rest on a frictionless incline of angle=30°. Theass can be compressed 2.0cn by a force of 200N. The block momentarily stops when it compresses the spring by 5cm.. How far does fge block mobe down fge incline from

asked by Edouina Alice on January 9, 2019
21. ## Physics

You take a trip in your car. Starting from rest, you accelerate at 1.00 m/s2 for 10.0 s, heading north. You then stop accelerating and immediately head west at a constant speed for an additional 20.0 s, at which point, you crash into a building coming to

asked by sarah on April 10, 2016
22. ## Chemistry

Aqueous sulfurous acid (H2SO3) was made by dissolving .200L of sulfur dioxide gas at 19 degrees C and 745 mmHg in water to yield 500mL of solution. the acid solution required 12mL of sodium hydroxide solution to reach the titration end point. what was the

asked by Missy* on October 7, 2010
23. ## English

Can someone check my answers? Which line from William Blake's "The Tyger" contains the clearest example of symbolism? A. "In the forests of the night..." B. "Dare its deadly terrors clasp?" C. "And when thy heart began to beat..." D. "Did he who made the

asked by Sistar on May 24, 2017

An object is moving along a straight line and the uncertainty in its position is 1.1 m. (a) Find the minimum uncertainty in the momentum of the object. (b) Find the minimum uncertainty in the object's velocity, assuming that the object is a golf ball (mass

asked by linds on April 21, 2012
25. ## WRiTinG

does this paragraph have a good flow? “Nothing is a waste of time if you use the experience wisely.” – Rodin. Time management is the process of exercising conscious control over the amount of time spent on specific activities. I, too, once had been a

asked by Ricky on October 21, 2011
26. ## english

1) When Congress passed the Federal ReserveAct of 1913, it gave the Federal Reserve Board afree hand in steering the economy. (2) The President, while charged with appointing the chair and board members, has no direct role to play in the Board’s policy

asked by mary on January 28, 2008
27. ## Computers

Sort an array of ten 30 character items into ascending order of surname. Each line contains a name in the form e.g. Mr J Smith, Dr John R Smith or John Smith. There are no field or record delimiters, qualifications, suffixes, double-barrelled names or

asked by Mark on October 12, 2007
28. ## Algebra 1

Ok, these questions were one's that I couldn't figure out how to work. If someone could set me up on how to solve each one it would be great. Thank you! 1. A movie theater had a certain number of tickets to give away. Five people got the tickets. The first

asked by Sam R. on June 2, 2010
29. ## Math

A basketball player has a 40% shooting average from the free-throw line. If she takes two free throws, estimate the probability that she will make both of them. Use the following list of digits which was taken from a table of random numbers. Let the digits

asked by Anthony on May 24, 2010
30. ## English

Thank you. Could you please check these sentences, please? Thank you. 1) Storm is a participant in the triathlon competition. She is going to reach (I don't know the correct verb) the finishing line. She is wearing a pinkish half zip-up T-shirt with an

asked by Henry2 on October 19, 2011
31. ## English

Could you review this outline for a persuasive essay? Was it done correctly? Outline for negative impact of credit card companies marketing to students on campus Com 156 My introduction to the topic and my thesis statement. Introductory Paragraph: Even

asked by Student 155 on June 27, 2011
32. ## Physics

A car with mass of 1875kg is traveling along a country road when the driver sees a deer dart out onto the road. The driver slams on the brakes manages to stop before hitting the deer. The driver of a second car with 2135kg is driving too close and does not

asked by Shaila on October 4, 2010
33. ## Accounting

Create an adjusted trial balance & journal entries Bank charges of \$932.70 were not recorded in the books for 2014. These were credit card fees charged by the bank for Edwards, INC accepting credit cards from their customers. The charges were recorded

asked by Skylar on December 4, 2013
34. ## Physics

A boy weighing 650 N wants to cross a creek by using a 5.00 meter long plank as a bridge. He places the plank across the creek and begins to walk across. Consider the supporting forces to be at the ends of the plank, and the plank itself to be weightless.

asked by Anonymous on August 4, 2017
35. ## Math

A scuba diver located 20 feet below the surface of water spots a shipwreck at a 70 degree angle of depression. After descending to a point 45 feet above the ocean floor, the diver sees the shipwreck at a 57 degree angle. Draw a diagram to represent the

asked by Sid on September 9, 2012
36. ## Physics

A baseball player hits a home run over the left-field fence, which is 104 m from home plate. The ball is hit at a point 1.08 m directly above home plate, with an initial velocity directed 35.0° above the horizontal. By what distance does the baseball

asked by Bill on December 8, 2015
37. ## 5th grade math and science question

Can you tell me if I answered these correctly? SCIENCE: How is the basic structure of living organisms different from that of non-living organisms? MY ANSWER: Living things need energy, nutrients, water and sunlight. Non Living things have no life at all.

asked by tim on October 5, 2009
38. ## physics

A basketball player is standing on the floor 10.0 m from the basket as in the figure below. The height of the basket is H = 3.05 m, and he shoots the ball at an angle, θ = 37.6°, with the horizontal from a height of h = 2.20 m. (a) What is the

asked by Des on September 9, 2012
39. ## math

They start riding bicycles towards each other in a plan to meet at the midway point. Each is able to ride at 7 MPH. They live 42 miles apart. One of them has a pet pigeon and it starts flying the instant the boys start traveling. The pigeon flies back and

asked by Misty on June 26, 2012
40. ## economics

Suppose that in this city, the price of a spaghetti dinner changes from \$10 to \$15. Which of the following statements correctly describes what happens in the calculator? I. There is a reduction in the number of dinners that people buy. II. There is a

asked by mikku on October 10, 2011
41. ## English/Writing

Write brief accounts upon the nursery rhyme from the indicated point of view: "Little Miss Muffet" 1. Miss Muffet's explanation to her mother why her dish is broken. A: "Oh, Mother! My dish broke because a spider scared it out of my hands!" 2. The mother's

asked by Victoria on October 29, 2015
42. ## Math

Hello, I'm not sure how to do this question. Question A wheel with radius 5 cm is being pushed up a ramp at a rate of 4 cm per second. The ramp is 620 cm long, and 180 cm tall at the end. A point P is marked on the circle as shown How far does the wheel

asked by Felix on June 14, 2017
43. ## statistics

The starting salaries of a random sample of three students who graduated from North Carolina State University last year with majors in the mathematical sciences are \$45,000, \$50,000, and \$40,000. Find a point estimate of the population mean of the starting

asked by Quintunya on March 16, 2013
44. ## Physics - pendulum negative work

A 2.20 kg pendulum starts from a height of 5.00m. It swings back and forth through one whole oscillation but only returns to a maximum height of 4.75m. After a long time the pendulum eventually winds down and comes to a stop. How much total negative work

asked by Tyger2020 on August 28, 2017
45. ## Calculating Chi Squared

I did a biology experiment and I have to use the chi^2 method to calculate statistical significance. I got data at different time points and I just want to make sure what I'm calculating this right. The data I got for one time point are 6 and 23 I know the

asked by Catherine on October 28, 2011
46. ## physics

A baseball player hits a home run over the left-field fence, which is 104 m from home plate. The ball is hit at a point 1.04 m directly above home plate, with an initial velocity directed 28.5° above the horizontal. By what distance does the baseball

asked by Anthony on October 16, 2012
47. ## Physics

Picture the following: A square with 4 point charges. Charges Q are diagonal from eachother, and charges -Q are diagonal from eachother. The length of each side is "a". One of the -Q charges is "kicked" away with an outward initial speed of V0, while the

asked by Rachel on February 12, 2011
48. ## Engineering Science

The road wheel of a motor vehicle increases speed uniformly from 50 rev/min to 1100 rev/min in 40 seconds.calculate the angular acceleration of the wheel in rad/seconds squared,if the diameter of the wheel is 0.7 meters what is the linear acceleration of a

asked by KUNDA C ANTHONY on November 6, 2018
49. ## science

You are standing 20 cm directly away from from the mid-point of a long, straight current carrying wire that runs east/west and are experiencing a magnetic field B1 due to the wire. If you were to move a new location that is 7 cm to the east of your initial

asked by james on June 7, 2011
50. ## Physics - pendulum negative work

A 2.20 kg pendulum starts from a height of 5.00m. It swings back and forth through one whole oscillation but only returns to a maximum height of 4.75m. After a long time the pendulum eventually winds down and comes to a stop. How much total negative work

asked by Tyger2020 on August 26, 2017
51. ## Physical Science

An ultrasonic wave in water is a compression wave that travels at 1,400 m/s A) An ultrasonic wave from a ship travels to the bottom of a lake and back in 0.16s. How deep is it at this point? B) If an ultrasonic wave is emitted in the ocean where the

asked by Charles on March 2, 2014
52. ## Calculus

t: 0 2 5 7 11 12 r'(t): 5.7 4.0 2.0 1.2 0.6 0.5 The volume of a spherical hot air balloon expands as the air inside the balloon is heated. The radius of the balloon in feet is modeled by a twice-differentiable function of r of time t, where t is measured

asked by Craig on November 25, 2008
53. ## Calculus c

Let f be a twice-differentiable function defined on the interval -1.2 less than or equal to x less than or equal to 3.2 with f(1)=2. The graph of f', the derivative of f, is shown on the right. The graph of f' crosses the x-axis at x=-1 and x=3 and has a

asked by Madeline on December 19, 2012
54. ## accounting

Frieden Company's contribution format income statement for the most recent month is given below: Sales (46,000 units) \$ 966,000 Variable expenses 676,200 Contribution margin 289,800 Fixed expenses 231,840 Net operating income \$ 57,960 The industry in which

asked by Anonymous on September 29, 2012
55. ## BioStats

An observational study is conducted to investigate the association between age and total serum cholesterol. The correlation is estimated at r = 0.35. The study involves n=125 participants and the mean (std dev) age is 44.3 (10.0) years with an age range of

asked by Simone on July 5, 2013
56. ## computer science

Your goal is to solve the following programming lab activity. Write a program that prompts & accepts a number between 1 and 12. After getting the input, display the number with the appropriate month. (example: This is the 1st month…January, This is the

asked by carol on May 22, 2011
57. ## modern physics

a record player is switched from 33rpm to 45rpm.The artable changes speed in 2.0s.Calaculate its average angular acceleration and the average tangential acceleration of a point on the turnable that 15cm from the axis rotation. Why are you posting in

asked by mich on November 14, 2006
58. ## physics

a window with a smooth hinge at the top is held open at an angle 30 degrees to the vertical by a horizontal force applied to the center of it lower edge. the force of gravity on the window is 3kgf acting through its mid point. draw a scale diagram of the

asked by Moses on October 10, 2014
59. ## World History

How did geography help make Rome a site of encounter? A. Its proximity to other major empires encouraged alliances and exchanges. B. The Mediterranean Sea helped it connect with civilizations in Europe, Asia, and Africa. C. Its location in Central Europe

asked by David S. on February 13, 2019

Suppose a customer brings a gold bracelet to a jeweler and asks for it to be changed into a gold ring. Which of the following is true? (1 point) The physical property of color will be changed. The bracelet will go through a chemical change. The composition

asked by Tamer on April 19, 2013
61. ## Physics

A wheel starts from rest and rotates about its axis with constant angular acceleration. After 8.7s have elapsed, it has rotated through an angle of 20 radians. What is the angular acceleration of the wheel? What is the angular velocity when the time t =

asked by Ann on November 21, 2014
62. ## math, trigonometry

a plane starts from a point P and flies 240km on a bearing of 120degrees to Q. At Q the plane makes a 90degree turn and flies back 100km on a bearing of 210degrees to R. At R the plane again changes direction and flies back to P. The direct distance, in

asked by YaYeet on October 31, 2018
63. ## Physics

A wheel starts from rest and rotates about its axis with constant angular acceleration. After 8.7s have elapsed, it has rotated through an angle of 20 radians. What is the angular acceleration of the wheel? What is the angular velocity when the time t =

asked by Ann on November 21, 2014
64. ## Physics

A plutonium- 239 nucleus initially at rest undergoes alpha decay to produce a uranium-235 nucleus. The uranium-235 nucleus has a mass of 3.90 x 10^-25 kg and moves away with a speed of 2.62 x 10^5 m/s. Determine the minimum wage electric potential

asked by Anonymous on May 22, 2017
65. ## ENG103

Hello you guys did such a great job helping me with my essays in ENG100 but it has been so long, I am now in ENG103 and I need help with an argument definitional essay. I typed my intro, it needs work, I just need help with my thesis/argument. General

asked by Farrell on February 19, 2012
66. ## physics

A 1.70 kg ball is attached to a ceiling by a 1.50 m long string. The height of the room is 3.36 m. The acceleration of gravity is 9.81 m/s2 . What is the gravitational potential energy associated with the ball relative to a) the ceiling? Answer in units of

asked by Jordan on January 22, 2014
67. ## Physics

A wheel starts from rest and rotates about its axis with constant angular acceleration. After 8.7 s have elapsed, it has rotated through an angle of 20 radians. I found that the angular velocity at 8.7 s is 4.60 rad/s. What is the angular acceleration of

asked by Ann on November 21, 2014
68. ## Trig

A guy wire attached to the top of an electric pole makes a 70deg angle with the level ground. At a point 25 feet from the guy wire (farther away from the pole), the angel of elevation to the top of the pole is 42deg. How long is the guy wire?

asked by Ashley Kate on March 7, 2014
69. ## Trig

A guy wire attached to the top of an electric pole makes a 700 angle with the level ground. At a point 25 feet from the guy wire (farther away from the pole), the angel of elevation to the top of the pole is 420. How long is the guy wire?

asked by Ashley Kate on March 6, 2014
70. ## Math

. In how many different ways can Tim, Savannah, Ian, Haley, Kaash, and Myles line up? 2. There are 15 contestants in a boy’s cross country race. 3 ribbons will be awarded. How many different ways could the ribbons be awarded? 3. How many different ways

asked by .. on April 26, 2017
71. ## physics

Hello, can anyone help me this problem? The author's cat enjoys chasing chipmunks in the front yard. In this game, the cat sits at one edge of a yard that is w = 32 m across (see figure), watching as chipmunks move toward the center. The cat can run faster

asked by jordan on September 16, 2011

24. You use a line of best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is -0.015. How confident can you be that your predicted value will be reasonably close to the actual value? My

asked by Lynn on April 16, 2018
73. ## English

Word box: alias amble burly distort dogged dumbfounded extinct fossil grit inevitable ingrained meteoric parody prevail rend replenish rummage skimp sleuth vandalism 2.We were nothing less than ____ when we saw the immense damage that the hurricane had

asked by Jerald on February 26, 2013
74. ## French (URGENT)

Okay, for an assignment, I have to do a rewrite of the "Alouette" song. It must include 4 verses. Here it is: the theme is "pie" (First line) (Second line) Nous mangons tarte de pomme Nous mangons tarte de pomme Yay pour pomme - Yay pour pomme Mange la

asked by Larry on May 25, 2009
75. ## English

Complete each sentence with a / ch/ word spelled ch or tch . Write the word on the line . See the word box if you need help. 1/ something you wear on your wrist that tells time....... ..................... 2/ if you have a group of more than one young

asked by Nawaf on February 1, 2014
76. ## Chem

A sealed balloon is filled with 1.00 L of helium at 23°C and 1.00 atm. The balloon rises to a point in the atmosphere where the pressure is 299 torr and the temperature is -31°C. What is the change in the volume of the balloon as it ascends from 1.00 atm

asked by Anthony on July 18, 2016
77. ## Chemistry

A sealed balloon is filled with 1.20 L of helium at 23°C and 1.00 atm. The balloon rises to a point in the atmosphere where the pressure is 250. torr and the temperature is -27°C. What is the change in volume of the balloon as it ascends from 1.00 atm to

asked by Alice on November 21, 2011
78. ## college

a ball is thrown vertically upward from the ground with the velocity of 30m/s, a)how long will it take to rise to its highest point? b)how high does the ball rise? c)how long after projection will the ball have the velocity of 10m/s upward? tnx

asked by josh on July 16, 2010
79. ## Physics (HELP)

An object placed in front of a converging lens between the focal point and the center of curvature, produces an image that is… Magnified, real, and upright Magnified, virtual, and upright Magnified, real, and inverted De-magnified, virtual, and upright

asked by Anonymous on April 5, 2018
80. ## Science

1.A weatherman reports, “The storm waves are about 2 meters high and about 35 meters apart.” What properties of waves is the reporter describing? (1 point) A.frequency and wavelength B.wavelength and wave speed C.amplitude and wavelength*** D.amplitude

asked by jeje on January 21, 2015
81. ## Physics

Nicole throws a ball straight up. Chad watches the ball from a window 5.0m above the point where Nicole released it. The ball passes Chad on the way up, and it has a speed of 10m/s as it passes him on the way back down. How fast did Nicole throw the ball?

asked by Kasey on September 17, 2013
82. ## chemistry

Suppose that 50mL of a solution of sulfuric acid of unknown concentration was titrated with a 0.100M solution of sodium hydroxide. If it took 45.5 mL of titrant to reach the equivalence point, what was the concentration of the unknown solution of sulfuric

asked by Coach on July 7, 2013
83. ## Physics

A solid sphere starts from rest at the upper end of the track and rolls without slipping until it rolls off the right-hand end. If H=12.0 m and h=6.0 m and the track is horizontal at the right-hand end, how far horizontally from point A does the sphere

asked by Rayshawn on October 27, 2009
84. ## Physical Science

I had a couple of questions for homework and I answered them the best I could. Can someone check and tell me if they are correct? 1.To describe the position of an object accurately, scientists use what? Ans- Coordinate Systems 2.In science, we have to

asked by mysterychicken on March 18, 2009
85. ## Physical Science

I had a couple of questions for homework and I answered them the best I could. Can someone check and tell me if they are correct? 1.To describe the position of an object accurately, scientists use what? Ans- Coordinate Systems 2.In science, we have to

asked by mysterychicken on March 17, 2009
86. ## Physical Science [repost]

I had a couple of questions for homework and I answered them the best I could. Can someone check and tell me if they are correct? 1.To describe the position of an object accurately, scientists use what? Ans- Coordinate Systems 2.In science, we have to

asked by mysterychicken on March 18, 2009
87. ## math

8 divided by 3 plus 6= You asked 8 divided by 3 plus 6= (8/3) + 6 = 2(2/3) + 6 or 8/3 + 18/3 = ??/3 I don't understand how to describe pairs of related variables what's the difference between dependent & independent variables I'm not what class your

asked by kyra on September 19, 2006

Okay, here's the problem: During a football game, the quarterback rolls out to his right with two huge linebackers in close pursuit. An instant before the linebackers bury him at the 50 yard line (46-m), he releases a towering pass down the sideling. The

asked by Kira on November 5, 2006
89. ## Physics

A cardboard box of unknown mass is sliding upon a mythical frictionless surface. The box has a velocity of 4.56 m/s when it encounters a bit of friction. After sliding 0.700m, the box has a velocity of 3.33 m/s. What is the coefficient of friction of the

asked by Grace on December 15, 2016
90. ## Chemistry

A 2.75 g sample of the hydrocarbon acetone, CH3COCH3, is burned in a bomb calorimeter with 975 mL of water, initially at 23.50 degrees celsius. The bomb is constructed of 285.0 g of nickel metal having a specific heat capacity of Cp = 0.826 J/ g degrees C.

asked by Kate on September 30, 2007
91. ## Chemistry

A 2.75 g sample of the hydrocarbon acetone, CH3COCH3, is burned in a bomb calorimeter with 975 mL of water, initially at 23.50 degrees celsius. The bomb is constructed of 285.0 g of nickel metal having a specific heat capacity of Cp = 0.826 J/ g degrees C.

asked by Kate on September 30, 2007
92. ## maths

The Number Two Plumbing Co. charges \$45 per hour plus a fixed service call charge of \$65. Write an equation that will allow you to compute the total bill for any number of hours, x, that it takes to complete a job. A. C = 45x + 65 B. C = 65x + 45 C. 65x +

asked by mdan on October 12, 2013
93. ## Math Algebra 2

Mr. Mullett has designed a playground for his 4 kids. This playground is awesome. The playground equipment is top of the line, multiple slides, swings, climbing wall and the playground area also includes a trampoline. What he doesn’t have is a sidewalk

asked by Curtis on September 3, 2012
94. ## science

Which of these statements about saltwater is correct? Saltwater freezes at a lower temperature Saltwater freezes at a higher temperature

asked by Anonymous on May 1, 2014
95. ## Math

3. A rectangular prism has a width of 92 ft and a volume of 240 ft3. Find the volume of a similar prism with a width of 23 ft. Round to the nearest tenth, if necessary. (1 point) 3.8 ft3 60 ft3 15 ft3 10.4 ft3 Please help me work this out! I'm not sure how

asked by Anon on March 27, 2015
96. ## Chemistry

When doing a simple distillation of ethanol-water, is the vapor pure ethanol or does it also contain water? (knowing that ethanol has lower boiling point than water) If it is not pure ethanol, why is it not possible to separate water & ethanol completely?

asked by Namie on January 4, 2012
97. ## chemistry

Calculate the pH at the point in the titration of 25.00 mL 0.108 M HNO2 at which 10.00 mL 0.162 M NaOH have been added. For HNO2, Ka=5.1 x 10^-4 and: HNO2 + OH- -----> H2O + NO2- I know that HNO2 is a weak acid and that 5.1 x 10^-4=[NO2-]/[HNO2][OH-]. NaOH

asked by Holly on October 2, 2011
98. ## GEOMETRY(CIRCLE)

Three circles with different radii have their centers on a line. The two smaller circles are inside the largest circle, and each circle is tangent to the other two. The radius of the largest circle is 10 meters. Together the area of the two smaller circles

asked by i need help from anyone! on March 25, 2013
99. ## poem

A Farewell to Arms (To Queen Elizabeth) His golden locks Time hath to silver turn'd; O Time too swift, O swiftness never ceasing! His youth 'gainst time and age hath ever spurn'd, But spurn'd in vain; youth waneth by increasing: Beauty, strength, youth,

asked by Anonymous on August 19, 2006
100. ## Chemistry

TRUE OR FALSE? 1) A solution that is made out of 1.00mol/L ammonia and 0.50mol/L of ammonium chloride is a basic buffer. 2) The pH at the equivalence point of a weak base with a strong acid is expected to be less than 7 because the acid that is added is

asked by Lorenzo on December 8, 2012