# 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 108-
## math

Data were recorded for the demand and revenue of a given product. Find the linear regression line which represents the revenue function. Find the quadratic regression curve which represents the revenue function. Data Demand x Revenue y 1 0 100 2 4 139.2 3

*asked by Jake on October 15, 2014* -
## XD

In a 24 km race, during which each runner maintains a constant speed throughout, Alice crosses the finish line while Becky is still 8 km from finishing and Caitlin is 12 km from finishing. When Becky crosses the finish line, Caitlin still has d kilometers

*asked by XXX on May 6, 2015* -
## Accounts

The Net Income amount from the Income Statement is used as a line item on which statement? (Points: 5) Profit and loss statement Statement of owner's equity Balance sheet Trial balance help please not sure what is meant by line item

*asked by Lisa on January 15, 2011* -
## English

8. Choose the type of punctuation that is missing from the following sentence. Were invited to the movies with Sam and Alex tonight. (1 point) apostrophe semicolon colon hyphen 9. For class tomorrow, I need you to bring the following paint, markers, and

*asked by Tamara on February 20, 2014* -
## math

Chris puts one tenth of each paycheck into savings. Her current paycheck is $200. She decides to also put into savings, any amount she earns over $200. The expression below represents the percent of her paycheck that Chris saves when she makes x dollars

*asked by Anonymous on December 8, 2016* -
## Mathematics literacy, hospitality

I don't want to do hospitality management so what career can I follow instead of hospitality management.

*asked by Puleng on March 15, 2016* -
## History

All were results of the “red scare” EXCEPT (1 point) many state employees had to sign a loyalty oath. many people were accused of having Communist ties. conservatives criticized government welfare programs. Russian immigrants were detained. 2. The site

*asked by gabby on May 19, 2016* -
## Chemistry II

A solution is prepared by placing 72.8 g of magnesium chloride in 120 g of water at 22oC. a)What is the boiling point of the solution? b)What is the freezing point of the solution?

*asked by Chase on September 16, 2009* -
## LA

For questions 7–11, each sentence is missing one type of punctuation. Choose the letter of the punctuation that correctly completes each sentence. 7. The pet stores shelves were filled with items I wanted for my pets. (1 point) apostrophe semicolon colon

*asked by Anonymous on April 1, 2013* -
## Physics

Two point charges, 3.0 µC and -2.0 µC, are placed 4.8 cm apart on the x axis, such that the -2.0 µC charge is at x = 0 and the 3.0 µC charge is at x = 4.8 cm. At what point(s) along the x axis is the potential zero? I know that between the two charges,

*asked by Anonymous on February 9, 2016* -
## english

I’ve to compare and contrast “Self-Reliance” by Emerson and “The Narrative of the Life of Frederick Douglass” by Frederick Douglass. I know that both writers share the idea that each individual should create their own identity and follow what

*asked by bindiya farswani on January 6, 2010* -
## accounting

. Production and cash-outlay computations RPR, Inc., anticipates that 120,000 units of product K will be sold during May. Each unit of product K requires four units of raw material A. Actual inventories as of May 1 and budgeted inventories as of May 31

*asked by yukia on April 29, 2013* -
## SOCIAL STUDIES PLZZ HELP

1. In the 1950s, in order to develop Brazil's interior, the government moved the capital from Rio de Janeiro and built a new one called (1 point)Brasilia. Belem. Salvador. Manaus. 2. All of the following are threats to the rainforest EXCEPT (1

*asked by hsk on April 30, 2012* -
## Chemistry

Find the enthalpy of combustion of magnesium using Hess' law given the following data (assume that exactly 100.0 mL of HCl was used in each trial and that HCl is in excess) Magnesium/HCl reaction: Grams of Mg= 0.244g Initial temp= 32.2 degrees celsius

*asked by Liz on July 21, 2014* -
## algebra

Axia College Material Appendix D Landscape Design Landscape designers often use coordinate geometry and algebra as they help their clients. In many regions, landscape design is a growing field. With the increasing popularity of do-it-yourself television

*asked by compare and contrast two theories on the causation of crime on January 10, 2010* -
## physics

A water slide launches a child horizontally above a swimming pool. The distance from the top of the slide to the launch point is 2.76 m. The point where the child is launched horizontally is 0.7 m above the water. How far from the launch point does the

*asked by Dominique on September 20, 2014* -
## algebra

PLEASE HELP!! 3) When converting a system of linear equations into an augmented matrix, what equation form is needed? Slope-intercept form negative form graph form standard form 4) what does the vertical line in an augmented matrix represent? x-value

*asked by idk on January 18, 2019* -
## physics

In preparation for shooting a ball in a pinball machine,a spring (K=675N/m) is compressed by 0.0690m relative to its unstrained length. The ball(m=0.600kg) is at rest against the spring at point A.When the spring is released, the ball slides (without

*asked by Coreen please check the answer on April 1, 2007* -
## Math

particle P of mass m kg is attached to two fixed points A and B by two identical model springs, each of stiffness k and natural length l . The point A is at a height / l above the point B. The particle is free to oscillate vertically under gravity. The

*asked by John on March 31, 2017* -
## geometry

Suppose line AB is parallel to line MN.Name all angles congruent to angle 8. In the figure at the right, x is parallel to y.List all angles that are congruent to angle 1. If the measure of angle 5 is 45 degrees, what are the measures of the other angles.

*asked by me on March 8, 2011* -
## Pre-Calc

Two lookout towers on Mount Abraham and Snow Mountain are 29 miles apart. A fire warden in each tower sees a forest fire. From Mount Abraham the angle formed with the line of sight to the fire and the line of sight to the other tower is 44 degrees. From

*asked by Allan on December 11, 2012* -
## math please help me out fam

For questions 1 and 2, use integer values of from –3 to 3 to graph the equation. 1) y = –2x2 + 3 2) y = one-third |x| –2 Find the horizontal change and the vertical change for the translation 3) p(4, –4) right arrow (–4, 7). 4) The point c(3,

*asked by jassie on March 27, 2017* -
## psychology

Hi, i need some help in this assigment please can you guys help me Instructiions sources must be cited in APA format. your response should a minimum 1 single spaced page Talent and ambition alone do not predict who will push on to reach a goal and who will

*asked by Maura on November 18, 2009* -
## Physics

Two manned satellites approaching one another at a relative speed of 0.200 m/s intend to dock. The first has a mass of 4.50 multiplied by 103 kg, and the second a mass of 7.50 multiplied by 103 kg. Assume that the positive direction is directed from the

*asked by Amy on July 14, 2013* -
## Social Studies

Hi so i'm at connections academy. I was doing the feudal Europe unit test and wanted to ensure my grade is good. I'm asking you guys to check my work. (if you did the test, or are a teacher) i will put MY answers down below, except for the essay questions.

*asked by Ryfurious on May 14, 2019* -
## parabolas

how do i find the equaion of the following parabolas? 1)intercepts at (2,0),(8,0) and (0,48) 2)turning point at (1,-2) and passing through the origin. can someone please teach me how to do this??thanks! The first: Write you standard equation of a parabola

*asked by Emma on May 20, 2007* -
## science please help asap

1. A 2. A body with a mass of 490kg is pulled along a horizontal plane at a constant velocity.the pulling force is 1.2 kN is making an angle of 20degrees with the plane. A.determine the coefficient of friction 3.a force of 318.123N accelerates a car at

*asked by Buhle on February 26, 2015* -
## geometry

Why did you wait until the night before the exam to realize you did not understand the material? At this point, if you are confused on all that material, all I can recommend is get a good night's sleep. okay so my geometry final is TOMORROW! and i honestly

*asked by bobpursley on June 5, 2007* -
## algebra

In a high school basketball game, a player on the home team makes two free throws. One student asks the student next to her what he thinks the probability of hitting two free throws in a row is. The student replies, "The probability of him making a free

*asked by nautica on September 22, 2014* -
## Algebra- Check Please

A farmer is tracking two wild honey bees in his field. He maps the first bee's path back to the hive on the line y=9/7x. the second bee's bee path follows the line y=-3x+12. Their paths cross at the hive. At what coordinate will the farmer find the hive? I

*asked by Emma on January 7, 2013* -
## Science Please Help Me

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 Sarr3 on June 3, 2014* -
## science/astronomy

4. Which of the following is a common feature among the four inner planets? (1 point) atmosphere composition distance from the sun rocky surfaces**** temperature range 5. Which of the following is the smallest terrestrial planet? (1 point) Mars Mercury**

*asked by reb on October 31, 2018* -
## Physics

A pendulum of length L=26.0 cm and mass m= 168 g is released from rest when the cord makes an angle of 65.2 degrees with the vertical. A) how far (m) does the mass fall before reaching its lowest point? My work: .26m - .109 = .151 m B) how much work (J) is

*asked by Casey on May 26, 2011* -
## Geometry

A wooden board is placed so that it leans against a loading dock to provide a ramp. The board is supported by a metal beam perpendicular to the ramp and placed on a 1 ft. tall support. The bottom of the support is 9 feet from the point where the ramp meets

*asked by Anna on September 9, 2010* -
## Social Studies/Law

Briefly describe the following court cases or laws/Acts by identifying (for each one): -The constitutional amendment or law involved -The opposing sides of the issue -The relationship of this particular legal issue to the larger issue of diversity: ethnic,

*asked by Quinn on October 3, 2011* -
## Poetry Part II

Okay so I have poem here that I need to interpret including I have to discuss the issue of gender as it relates to this poem. So here's the poem "A Place For Everything" When my mother spoke of sadness and widows, my father muttered "Well, well," and shook

*asked by Joe on November 24, 2007* -
## Physics

A thin straight wire 20 cm in length carries a charge of one microcoulomb. Calculate the electric intensity and potential at a point P on the axis of the wire at a distance of 30 cm from the mid point of the wire.

*asked by Atanu on September 16, 2014* -
## calculus

Which has more area, the region in the first quadrant enclosed by the line x+y=1 and the circle x^2+y^2=1, or the region in the first quadrant enclosed by the line x+y=1 and the curve sqrt(x)+sqrt(y)=1? Justify your answer.

*asked by Sophie on January 21, 2010* -
## pre-calculus

How do you write the standard form of the equation of the line passing through the points M(-4,-2) and N(4,7)? How do you find the slope-intercept form of the equation of the line passing through the points P(2,-9) and Q(3,-7)?

*asked by maxine on May 13, 2009* -
## geometry

A preimage includes a line segment of length x and slope m. If the preimage is dilated by a scale factor of n, what are the length and slope of the corresponding line segment in the image

*asked by ELIJAH on June 18, 2013* -
## Math

What's the slop of the line whose equation is 87 = 7 - 2y? This is similar to the other one where i posted. You subtract 7 from both sides so the equation will be 80= -2y. Then divide both sides by -2, and the equation will be y=-40. This is a straight

*asked by Cynthia on November 5, 2006* -
## Math

Use the info to find the equation of the hyperbola: The transverse axis of the hyperbola lies on the line y=–3 and has length 6; the conjugate axis lies on the line x=2 and has length 8.

*asked by Dustin on October 14, 2017* -
## pre-calculus

How do you write the standard form of the equation of the line passing through the points M(-4,-2) and N(4,7)? How do you find the slope-intercept form of the equation of the line passing through the points P(2,-9) and Q(3,-7)?

*asked by maxine on May 13, 2009* -
## Pre algebra

Please help I’m struggling with how to find the percent of change each decade and how to predict a future price. I can’t find any examples of this lesson for help Directions: You probably see them in the news all the time—predictions about prices,

*asked by Erica on December 8, 2017* -
## Anatomy and Physiology

1. Simple sugars are (1 point) lipids. monosaccharides. polysaccharides. minerals. 2. Which of the following statements is not true about the immune system? (1 point) In children, lymphatic tissues such as adenoids, tonsils, and lymph nodes

*asked by unknown on December 10, 2016* -
## Math

An NFL punter at the 15-yard line kicks a football with an initial velocity of 95 feet per second at an angle of elevation of 28 degrees. Let (t) be the elapsed time since the football is kicked. a. Write the parametric equations of this problem. b. With

*asked by Robert on March 15, 2011* -
## math

The graph represents the cost cc (in dollars) of buying nn tickets to a baseball game. (1,10) (2,20) (3,30) a. Should the points be connected with a line to show all the solutions? Explain your reasoning. make sense to draw a line between the points to

*asked by mckenzie on April 1, 2017* -
## physics

In Figure 12-68, two identical, uniform, and frictionless spheres, each of mass 4.1 kg, rest in a rigid rectangular container. A line connecting their centers is at 45° to the horizontal. Find the magnitudes of the forces on the spheres from (a) the

*asked by Sarah on December 29, 2010* -
## College Organic Chem

1)what is the name of the common commercial chemical that is always obtained from the reaction of fats and strong bases such as NaOH and KaOH. 2)What is a physical property that you can tell the difference between glyceryl trimyristate abd myristic acid

*asked by Anonymous on October 10, 2011* -
## medical insurance

the patient is seen by his family physician for follow-up treatment of recently diagnosed asthmatic bronchitis. the physician's fee is 75$. the patient copayment is 20$, and the patient is not required to pay any additional amount to provider. the payer

*asked by erika on July 14, 2016* -
## Calculus AB

Please help me with this WS 1) Find the value of lim as x-->-(square root of 3) of (-x^4 + 5x^2 -6)/(x+(square root of 3) 2) Find the distance between the discontinuities of g(x)= ((square root of x-4))/(x^2 -5x -1) 3)Find the value of x at which the curve

*asked by Annie on November 30, 2016* -
## Physics

Hi guys, would appreciate some help with this problem: When a light turns green, a car speeds up from rest to 50.0 mi/h with a constant acceleration of 8.80 mi/h·s. In the next bike lane, a cyclist speeds up from rest to 20.0 mi/h with a constant

*asked by Amelia on October 9, 2008* -
## biology

For this assignment you will be using the course companion Web site, MasteringBiology. View and complete the MP3 tutorial: The Process of Science. and “How Does Acid Precipitation Affect Trees?” After completing the activity, develop two alternative

*asked by sharday on February 15, 2012* -
## physics

a parent pushes a kid on a swing, A) If the child on the swing rises 2m above the lowest point during each cycle, what is her speed at the lowest point of the swing? B)If the beginning of a cycle (2m above the lowest point) the child is given a push so

*asked by chris on March 4, 2015* -
## mathmatics

on the first day of march, a bank loans a man £2500 at a fixed rate of intrest of 1.5percent per month. this intrest is added on the last day of the month and is calculated on the amount due the first day of the next month.the man agrees to make

*asked by recurrence relation question on December 6, 2009* -
## World Geo, Help pls

Please help!!! Which of the following is not true about Aborigine culture? (1 point) It is the oldest surviving culture on Earth. Traditional Aborigine societies formed agricultural settlements. Aborigines do not believe that land belongs to humans.

*asked by mia on April 27, 2015* -
## Ethics

I need help in understanding what the viewpoint would be of a virtue ethicist in deciding who should receive a liver transplant. There are 5 candidates: Bob- is 40 years old unemployed, homeless with a severe drinking problem and a criminal record.He was

*asked by Carol on February 6, 2012* -
## Virtue Ethics-College Level

I need help in understanding what the viewpoint would be of a virtue ethicist in deciding who should receive a liver transplant. There are 5 candidates: Bob- is 40 years old unemployed, homeless with a severe drinking problem and a criminal record.He was

*asked by Anonymous on February 7, 2012* -
## calculus

Find the derivative using the chain rule. f(x) = ((3x-7)/(6x+3))^4 f '(x) = let u= 3x-7 v= (6x+3)^-4 Then d(uv)= u dv + v du du= 3 dv= -4(6x+3)^-5 (6) so what's f'(x)? (thanks for your help) Goodness. f'(x) is d(uv) I will be happy to critique your work or

*asked by jessica on February 20, 2007* -
## physics

sigh this is killing me here... ok rockets launch at 250 m/s @ an angle of 75.0 degrees. There's a mountain 2500m away from launch point that is 1800m high. There's a boat 610 m from the island. So i'm suppose to find out how much it'll clear the moutain

*asked by physics on January 14, 2009* -
## Physics

sigh this is killing me here... ok rockets launch at 250 m/s @ an angle of 75.0 degrees. There's a mountain 2500m away from launch point that is 1800m high. There's a boat 610 m from the island. So i'm suppose to find out how much it'll clear the moutain

*asked by physics on January 14, 2009* -
## health

what is the importance of nutrition and an active lifestyle? HELP ME HERE! You can expand on this quicky summary. Proper nutrition is important in order to have the nutrients to form bone, muscle, and tissues for proper growth. An active lifestile is

*asked by school girl11 on September 12, 2006* -
## Physics

A 4-kilogram mass has a speed of 6 m/s on a horizontal frictionless surface. The mass collides head-on and elastically with an identical 4-kilogram mass initially at rest. The second 4-kilogram mass then collides head-on and sticks to a third 4-kilogram

*asked by Hannah on January 17, 2008* -
## Math

Runner A crosses the starting line of a marathon and runs at an average pace of 5.6 miles per hour. Half an hour later, Runner B crosses the starting line and runs at an average rate of 6.4 miles per hour. If the length of the marathon is 26.2 miles, which

*asked by nick on February 12, 2013* -
## US history HELP

Which of the following statements is true? a. Political parties are unimportant in the organization of the U.S. Congress. b. Party-line voting rarely occurs in Congress. c. Party-line voting has increased in recent years. d. Partisanship makes virtually no

*asked by HM on December 4, 2011* -
## Math

Appendix D Landscape Design Landscape designers often use coordinate geometry and algebra as they help their clients. In many regions, landscape design is a growing field. With the increasing popularity of do-it-yourself television shows, many homeowners

*asked by ryan on June 6, 2010* -
## philosophy

Argument Evaluation # 1 – Is morality universal? Instructions: In your own words, identify the argument or arguments in the following passage. Be certain to clearly identify the premise(s) and the conclusion for any argument. Indicate whether the

*asked by christine on July 4, 2013* -
## Physics

At some point during their orbit, the location of the Earth and Moon relative to the Sun will be as shown in the figure below. What are the magnitude, in N, and direction of the force experienced by the Moon, in degrees below the Sun-Moon line, due to the

*asked by Kiki on March 20, 2019* -
## English: Please help

Serving the financial division of the government is the primary responsibility of the (1 point) Department of the Interior. Department of Commerce. *Department of the Treasury. Department of State The National Park Service is part of this department. (1

*asked by Cassie on November 11, 2013* -
## physics 20

A speed velocity of a a rocket with a mass of 0.25 kg passes from 15 m/s[up] to 40 m/s[up] in 0.60s. calculate the force of the escaped gasses of the rocket. **** that's what i've done, so far data: m = 0.25kg initial velocity = 15 m/s final velocity = 40

*asked by Adrienne on November 3, 2009* -
## physics 20

A speed velocity of a a rocket with a mass of 0.25 kg passes from 15 m/s[up] to 40 m/s[up] in 0.60s. calculate the force of the escaped gasses of the rocket. **** that's what i've done, so far data: m = 0.25kg initial velocity = 15 m/s final velocity = 40

*asked by Adrienne on November 3, 2009* -
## physics

1) 2 spheres of equal diameters have 15 micro coulomb charge and -10 micro coulomb charge respectively. if they are placed 5cm apart what will be the force of attraction between them? 2) a charge of .5 micro coulomb is placed in an electric field whose

*asked by Deyo on October 10, 2010* -
## trigonometry

From the top of a building the angle of depression of a point P on the ground is 15 degrees. The point P is 55 ft from the base of the building. Determine the height of the building.

*asked by Marvin on December 7, 2015* -
## Physics

A +35 µC charge is placed 42 cm from an identical +35 µC charge. How much work would be required to move a +0.55 µC test charge from a point midway between them to a point 8 cm closer to either of the charges?

*asked by Anonymous on February 4, 2013* -
## physics

what is the work done a bringing a charge from infinity to a point P, if the point P is 5m to the positive y-axis from a charge A(5uC) which is 3m to the left of another charge B(-2uC)?

*asked by jay on February 20, 2016* -
## math

A point P is 500m from the base of a pole. If the angle of elevation of the top of the pole to the point P is 40 degrees, find the height of the pole

*asked by liz on August 30, 2016* -
## math

Point A and B of a triangle ABC are at (-1,1) and (3,9), respectively; while point C is on the parabola y=x2. Find coordinate of C so that the area of ABC is minimum, and calculate the largest are of ABC.

*asked by rolan on August 10, 2012* -
## physics

A +30 µC charge is placed 44 cm from an identical +30 µC charge. How much work would be required to move a +0.69 µC test charge from a point midway between them to a point 14 cm closer to either of the charges?

*asked by Nick on January 17, 2012* -
## physics

A patient has a far point of 29.2 cm and a near point of 24.2 cm. What power (in diopters) should be prescribed to correct the patient's vision using: (b) glasses which are worn 0.5 cm away from the patient's eyes?

*asked by m on February 7, 2013* -
## physics

A person is riding on a Ferris wheel of radius R. He starts at the lowest point of the wheel. When the wheel makes one complete revolution, is the net work done by the gravitational force positive, zero, or negative? Do you need to know how the speed of

*asked by Amy on February 13, 2012* -
## english

Hey I know it is long ago since I posted more of my text but there was so much else I had to do... I hope somebody can correct it :) Then I took a second look at each sentence, because it often is the case that the BNC has very long sentences in which it

*asked by Minnie on July 26, 2013* -
## Statistics

A study of reading ability in schoolchildren chose 60 fifth-grade children at random from a school. The researchers had children's scores on an IQ test and on a test of reading ability. An eccentric professor has his own idea of the relationship between IQ

*asked by Karl Lewis on February 6, 2013* -
## Science halp

10. Which situation is an example of Newton’s third law of motion? * 1 point A.A ball in a vacuum container moves in a straight line at a constant velocity. B.A ball in a vacuum container accelerates when kicked with a great amount of force. C.A person

*asked by Sanic fest speds :D on February 16, 2018* -
## Geometry

Hey, I just wanted you toall check my answer and see if it is correct. Here it is: 6. The measure of angle B is 65.8 degrees. Find the measure of the complement and supplement of angle B. - 24.2 degrees; 155.8 degrees - 155.8 degrees; 24.2 degrees -144.2

*asked by Katie Kat on February 13, 2019* -
## Chemistry

A XX-g sample of methane, CH4, is mixed with YY atm of O2 (an excess) in a VV L combustion chamber at 125.0°C. The combustion reaction to CO2 and H2O is initiated and the vessel is cooled back to 125.0°C. What is the final pressure in the combustion

*asked by Jack on February 25, 2007* -
## Science

1) Which of the following is a chemical change? (1 point) Boiling of water Melting a cube of ice Dissolving 10 grams of salt in water Splitting water into hydrogen and oxygen*** 2) What is the mass of water that results from combining 2.0g of hydrogen with

*asked by Skylar on January 28, 2015* -
## Science Help Please

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 ***

*asked by frazzled on March 13, 2015* -
## Science Help Please

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 ***

*asked by frazzled on March 13, 2015* -
## English

"We found his flag one bitter morning." By repeating the "f" sound, the line uses: a. analogy b. metaphor c. alliteration d. lyric C "Like moths to flames we sought our goal." What is the most likely meaning of this line? a. the climbers had no choice but

*asked by Anonymous on December 31, 2013* -
## DUMANGEZE

A 0.04KG BEAD SLIDES ON A CURVED STARTING FROM REST AT POINT A.THE EARTH FROM A AND B IS FRICTIONLESS ,WHILST THE PATH FROM B TO C IS ROUGH.IF THE BEAD ARRIVES AT POINT C WITH A SPEED OF 1M/S DERTIMINETHE AMOUNT OF WORKDONE BY THE FRICTIONAL FORCE IN

*asked by THABAN on October 11, 2011* -
## physics

A current I=2.3 A flows around a continuous path that consists of portions of two concentric circles of radii a and a/2, respectively, where a=6 cm, and two straight radial segments. The point P is at the common center of the two circle segments. Calculate

*asked by sat on April 26, 2013* -
## math

A Ski jumper starts at point A and leaves at point B. Assume a(naught)=gsin(theta) tangent to path, where g=9.81m/s^2. Determine takeoff speed, v, if r=60m and theta=40 degrees. (Hint: You will need the chain rule.)

*asked by Callie on March 27, 2007* -
## Physics

A current I=2.3 A flows around a continuous path that consists of portions of two concentric circles of radii a and a/2, respectively, where a=6 cm, and two straight radial segments. The point P is at the common center of the two circle segments. Calculate

*asked by tanvir ali on April 27, 2013* -
## chemistry(water molecules)

What does a water molecule look like (the shape)and what atoms does it contain? Also why are water molecules polar molecules? A water molecule contains two hydrogens and one oxygen between them. However, the 3 atoms are not in a straight line - the

*asked by alisha on January 4, 2007* -
## Math - Maxima and Minima

The height, h, in metres, of a ski ramp over a horizonatal distance, x, in metres, is given by h(x)=0.01x^3-0.3x^2+60 for the interval 0 less than or equal to x less than or equal to 22. a) Find the vertical drop from the top of the ramp to the lowest

*asked by Anonymous on October 23, 2010* -
## Physics

The city is trying to figure out how long the traffic light should stay yellow at an intersection. The speed limit on the road is 45.0 km/h and the intersection is 23.0 m wide. A car is traveling at the speed limit in the positive direction and can brake

*asked by Mariam on October 12, 2017* -
## Statistics

The Jefferson valley bank claims that the variation of their wait time is less when using a single line that feeds three tellers as opposed to having threes peerage lines. Test the claim that the standard deviation for wait time is less than 1.9 minutes

*asked by Danielle on May 7, 2014* -
## English

Need help please check. 7. Choose the type of punctuation that is missing from the following sentence. My best friends new dog won’t stop barking. (1 point) ()apostrophe (X)semicolon ()colon ()hyphen 8. Choose the type of punctuation that is missing from

*asked by Sebby-Chan on May 16, 2014* -
## pre-calc

Can someone check my work please? Convert each polar equation to a rectangular equation. Then determine the graph's slope and y-intercept. ( I'm going to type 'x' instead of theta ) r sin(x- pi/4)=2 r(sin(x- pi/4))=2 r(sinx*cos pi/4 - sin pi/4*cosx)=2

*asked by Jessica on April 12, 2007* -
## Physics

A point-like negatively charged particle of mass m and charge -q is initially released from rest from the point P along the positive z-axis where the magnitude of the electric field is largest. (a) What is the distance from the point P to the origin?

*asked by P on March 5, 2013*

## Pages

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