# Questions Asked onSeptember 7, 2010

1. ## calculus

Use Newton's method to approximate a root of the equation 3sin(x)=x as follows. Let x1=1 be the initial approximation. The second approximation x2 is and the third approximation x3 is

2. ## calculus

If 2100 square centimeters of material is available to make a box with a square base and an open top, find the largest possible volume of the box. Volume = cubic centimeters.

3. ## algebra

Are the following true or false? 1. The difference of two natural numbers is always a natural number. 2. The sum of two natural numbers is always a natural number. 3. The quotient of two natural numbers is always a natural number. 4. The difference of two

4. ## College English

I submitted this yesterday and Ms. Sue thought I did well (except 7,11) but I still managed to get 4 wrong - and my mind is a mess trying to figure out where I went wrong! Please help - my mid is coming! >> represents my chosen answer. 1. Having studied

5. ## Bassick High School

Vivian is walking to the hairdresser's at 1.3 m/s when she glances at her watch and realizes that she is going to be late for her appointment. Vivian gradually quickens her pace at a rate of 0.090 m/s2(squared) What is Vivians speed after 10.0s? At this

6. ## spanish

what is the plural form for un diario

7. ## precalc

It's estimated that 9,300 deaths occurred from skin cancer at the end of year 2000 and that 200,000 deaths from skin cancer might occur by the end of 2050. Assuming the number of annual number of skin cancer deaths increases geometrically, what is the

8. ## science

The density of liquid oxygen at its boiling point is 1.14 \rm{kg/L} , and its heat of vaporization is 213 \rm{kJ/kg} . How much energy in joules would be absorbed by 4.0 L of liquid oxygen as it vaporized?

9. ## chemistry

a brain weighing 1.0 Ib occupies a volume of 620 ml. What is the specific gravity of the brain?

10. ## physics

Speedy Sue, driving at 30.0 m/s enters a one-lane tunnel. She then observes a slow-moving van 155m ahead traveling at 5.00 m/s. Sue applies her brakes but can accelerate only at -2.00m/s/s because the road is wet. Will there be a collision? If yes,

11. ## spanish

Which pronouns would Alberto Yáñez, a professor from Spain, use to address or talk about the following people? In the spaces provided below, write the most appropriate pronoun. ¡OJO! Remember that Alberto is from Spain, which affects the pronouns he

12. ## chemistry

Describe how to prepare 1 liter of 0.5N solution of HCl from concentrated HCl. H=1, Cl=35.5, spgr=1.19, 37.2%

13. ## physics!!!

a sled and rider with a combined weight of 60kg are at rest on top of a hill 12m high.what is the total energy at the top of the hill?

14. ## math

The expression 9a + 6s is the cost for a adults and s students to see a musical performance. a. Find the total cost for three adults and five students. b. The number of adults and students in a group both double. Does the cost double? Explain your answer

15. ## PHYSICAL SCIENCE

A 0.50-KG BLOCK INITIANALLY ON A REST ON A FRICTIONLESS HORIZONTAL SURFACE IS ACTED UPON BY A FORCE OF 8.0N FOR A DISTANCE OF 4.0M. HOW MUCH KINETIC ENERGY DOES THE BLOCK GAIN?

16. ## math

If 2100 square centimeters of material is available to make a box with a square base and an open top, find the largest possible volume of the box. Volume = cubic centimeters.

17. ## science

Balancing redox reactions Balance in acid solution 1. PH3+ I2 -> H3PO4 + I- 2. ClO3- + Cl- -> Cl2 Balance in basic solution Se -> Se2- + SeO3^2- BrO- + Cr(OH)4^- -> Br- + CrO4^2-

18. ## Chemical Engineering

How much acetone liquid (in mls) is required to produce a vapor concentration of 200 ppm (parts per million) by volume in a room of dimensions 3 x 4 x 10 meters? The temperature is 25oC and the pressure is 1 atm. The following physical property data are

19. ## chemistry

when acidified potassium dichromate (VI) is added to iron(II) sulfate why does a redox reaction occur? How about if ammonia is added to iron(II) sulfate?

20. ## Math

A value of 110000 if the tax rate is 25 mills per 1 dollar of assessed valuation how much tax do they pay

21. ## 9th grade

calculate the mass in kg of an object that weighs 1,225 N on earth.

22. ## math 7th

cheryl,rita and four of their friends go to a movie and share equally a 48-ounce bag of popcorn and three 48-inch licorice laces. find the fraction of popcorn each gets and the fraction of licorice each gets.

23. ## spanish

Which pronouns would Alberto Yáñez, a professor from Spain, use to address or talk about the following people? In the spaces provided below, write the most appropriate pronoun. ¡OJO! Remember that Alberto is from Spain, which affects the pronouns he

24. ## physics

A bike accelerates from 0.0 m/s to 4.1 m/s in 6 s. What distance does it travel? thanks for the help

25. ## statistics

heights of young adult u.s women are approximatelynormal with mean 64 inches and standard deviation 2.7 inches. What proportion of all u.s. young adult women are taller than 6 feet?

26. ## college

a rock is dropped off a bridge. How fast is it moving when it hits the water 2.5s later?

27. ## physics

A bike accelerates from 0.0 m/s to 4.1 m/s in 6 s. What distance does it travel? thanks for the help

28. ## calculus

an open rectangular box is to be made from a piece of cardboard 8 inches wide and 8 inches long by cutting a square from each corner and bending up the sides. a. express the volume of the box as a function of the size x cutout

29. ## Astronomy

Venus orbits 0.72 AU from the sun. What is that distance in kilometers?

30. ## science

I need help with balancing redox reactions Balance in acid solution: 1) PH3+ I2 --> H3PO4+ I- 2) ClO3- + Cl- --> Cl2

31. ## math

If 2100 square centimeters of material is available to make a box with a square base and an open top, find the largest possible volume of the box. Volume(cubic centimeters) =

32. ## bio II

what is the "transforming factor" that alters pneumonia bacteria?

33. ## 5th grade algebra word problem

Ron made cookies for the fair. His sister made candy. Four cookies were packaged together, and 6 pieces of candy were packaged together. There were 6 more packages of packages of candy. Write an expression for the number of packages of cookies.____. Then

34. ## Mathematics

You can either do your own yard work or you can pay someone to do it for you. You find that it takes you about 50 minutes to clip, mow, and otherwise clean up your yard each time you do it. You do it four times each month. Also, once a month you need to

35. ## physics

A particle travels horizontally between two parallel walls separated by 18.4 m. It moves toward the opposing wall at a constant rate of 5.8 m/s. Also, it has an acceleration in the direction parallel to the walls of 1.4 m/s2 .

36. ## Math: Word Problem

A ball is thrown upward from the top of a building which is 96ft tall w/ Initial velocity of 80 ft per sec. Distance s(ft) of ball from the ground after t sec is s=96+80t-16t^(2) 1) how many sec. will the ball pass the top of the building when it is coming

37. ## physics

A jetliner, traveling northward, is landing with a speed of 65 m/s. Once the jet touches down, it has 785 m of runway in which to reduce its speed to 5.0 m/s. Compute the average acceleration (magnitude and direction) of the plane during landing (take the

38. ## math word problem

Andy and Kate are running around a 400-meter track. If they run in the same direction, Andy will pass Kate in 100 seconds. If they run in the opposite direction, they will meet in 25 seconds. What is Andy's velocity in meters per second? 4 6 10 16 Explain

39. ## Math

The radius of the circumscribed circle of the triangle abc is 15cm. given that B is a 49-degree angle; find the length of the side AC

asked by Crystal Johnson
40. ## solving equations fractions

how do i go about solving equations fractions?

41. ## Math

Solve for x in terms of p and q if p^2x=x-(2p-1)/p. How would I do this if this if there is no q? I think that someone made a typo on the problem and if that is so how would I solve it for just p?

42. ## Algebra

(8w+5)/(10w-7) = (4w-3)/(5w+7) How would I solve this?

43. ## Physics

An electron enters a region of space where the potential difference between two equipotential surfaces are 12 cm apart. One surface has a potential of 120 volts and the other potential of 75 volts. What is the magnitude and direction of the electric field

44. ## college chemistry

Calculate the amount of heat required to heat 80 grams of water from 10 to 53°C. The specific heat capacity for water is 4.184 J/g°C.

45. ## communication

paragraph response describing the advantages and disadvantages of the physical presence, written/printed, and electronic/computer communication channels, and explaining how the components and processes of communication apply to the electronic/computer

46. ## 10th grade

how do i solve X2 +4X-60 (the 2 after the x is supposed to stand for squared.)

47. ## Calculus

Determine whether the curve has a tangent at the indicated point. f(x)= sin x 0

48. ## chemistry

Vapor pressure ___________ as the temperature of the liquid in equilibrium with it increases.

49. ## science

A ball is dropped from a cliff and has an acceleration of 9.8 m/s2. How long will it take the ball to reach a speed of 24.5 m/s?

50. ## physics

A model rocket is launched straight upward with an initial speed of 60.0 m/s. It accelerates with a constant upward acceleration of 2.00 m/s2 until its engines stop at an altitude of 130 m. (a) What is the maximum height reached by the rocket? (b) How long

51. ## physics

In getting ready to slam-dunk the ball, a basketball player starts from rest and sprints to a speed of 6.2 m/s in 1.9 s. Assuming that the player accelerates uniformly, determine the distance he runs.

52. ## physics

A jetliner, traveling northward, is landing with a speed of 65 m/s. Once the jet touches down, it has 785 m of runway in which to reduce its speed to 5.0 m/s. Compute the average acceleration (magnitude and direction) of the plane during landing (take the

53. ## science

Just need to know if my answer is right or wrong. Thanks ! :) The open sea is called the _____. a) pelagic zone b) marinal zone c) intertidal zone d) benthic zone e) littoral zone I PICKED A

54. ## Statistical application

Can a hypothesis test yield a statistically significant (say p

55. ## algebra

In 1998, the population of a given country was 37 million, and the exponential growth rate was 5% per year. Find the exponential growth function

79. ## Math

n= -15 n+(-7)-n=

80. ## physics

A truck is stopped at a stoplight. When the light turns green, it accelerates at 2.2 m/s2. At the same instant, a car passes the truck going 11 m/s. Where and when does the truck catch up with the car?

81. ## physics

A particle travels horizontally between two parallel walls separated by 18.4 m. It moves toward the opposing wall at a constant rate of 5.8 m/s. Also, it has an acceleration in the direction parallel to the walls of 1.4 m/s2 .

82. ## science

why is the unit Kelvin (temperature unit) not called "degree Kelvin"? why only "Kelvin"? thank you for answering.

83. ## science

Blank have vibrating particles that don't have enough energy to move out of position?

84. ## Chemistry

A solution is prepared by dissolving 5.00g of an unknown molecular solid in water to make 500 ml of solution. The osmotic pressure of the solution is 1.61 atm at 25 degrees C. What is the molar mass of the solute? This is what ive done so far: M=

85. ## Home Economics

Q: When do you have a baby shower to cerebrate the pregnancy of your friend?

86. ## physics

A vector representing 190 N is oriented at 47◦ with the horizontal. What is the magnitude of its horizontal component?

87. ## Spanish

Why do the stem changing forms for -zer and -cer have special endings??

88. ## Calculus

The population of fish in a lake before mating season is F. During the mating season, the population grows by 30% and the new population is N. Write an expression for N is terms of F.

89. ## geometry

given H is the midpoint of GI. the length of GH is represented by 4x-5 and the length of HI is represented by 3x+20. find the value of x and the measures of GI, Gh, and HI.

90. ## Algebra

i have this question i have been working on two days no and cannot get the correct solution. I am to write and equation of the line containin the given point and parallel to the given line. I put my answer in the form of y=mx+b and I keep getting y= 7x+1

asked by Amanda R
91. ## chemistry

how many grams of NaOH must be added to 0.250 litres of water to form a solution of PH=10.0?

92. ## Physics

The diameter of some celestial body is 3080 km. What is the volume of this body? _____m3 How many of these celestial bodies would be needed to create a volume equal to that of Earth? The radius of the Earth is 6.38 106 m.

93. ## calculus

The sum from 0 to infinity of (-1)^n(3/3^n) is convergent or divergent? If convergent, what is the sum? I got that it's convergent and the sum is 9/2, but that's wrong.

94. ## Abnormal Child Psychology

Children with conduct problems generally show more anxiety than those without conduct problems, and children with a callous-unemotional interpersonal style show_____anxiety. A. more, less B. less, more C. less, less D. more, more

95. ## english

what are the four parts of speech

96. ## physics

REPOST PLEASE HELP a rock is thrown horizontally with a speed of 17 m/s from a vertical cliff of height 34 m. A- I solved for t=2.63 B-How far will it land from the base of the cliff? im using x=xo+vox*t i get -6.46 and it is wrong. What am I doing wrong?

97. ## physics

A truck is stopped at a stoplight. When the light turns green, it accelerates at 2.9 m/s2. At the same instant, a car passes the truck going 12 m/s. Where and when does the truck catch up with the car?

98. ## global science

Michael Phelps won the 100 meter butterfly, Phelps swam 100 meters in 50.58 seconds. the 2nd place swimmer swam the 1oo meters in 50.59 seconds. Phelps beat him by 1/100th of a second. Calculate, in inches, the distance Phelps beat Cavic by

99. ## Math

How many scoops of two flavors of ice cream will it take to make 88 different ice cream cones?

100. ## mathematics

A circular water stain on your home ceiling had a diameter of about 4 inches across on Monday at 8 A.M. On Tuesday at the same time it was about 5.3 inches across. The unit for time is days. (1) Calculate the growth rate as a percentage to at least the

101. ## Spanish

Why do the stem changing forms for -zer and -cer have special endings??

102. ## English

a brief paragraph summarizing the educational, communication, and career benefits of being a student within the Laureate International University Network.

103. ## physics

A jogger accelerates from rest to 2.7 m/s in 2.2 s. A car accelerates from 39.0 to 44.0 m/s also in 2.2 s. (a) Find the acceleration (magnitude only) of the jogger. (b) Determine the acceleration (magnitude only) of the car. (c) Does the car travel farther

104. ## Math (check please)

Could you check these please? Firewood is usually sold by a measure known as a cord. A full cord may be a stack 8x4x4ft or a stack 8x8x2ft 10. what is the volume of a full cord? 8*4*4=(128ft) 11. A short cord or a face cord of wood is 8x4xThe lenght of the

105. ## algebra

Evaluate the exponential equation for three values of x greater than -4, three values of x smaller than -4, and at x = -4. Show your work. Use the resulting ordered pairs to plot the graph; State the equation of the line asymptotic to the graph

106. ## science

Just need to know if my answer is right or wrong. Thanks ! :) All the following are conservation practices, EXCEPT______? a) reducing consumption b) reducing production of goods using the resource c) recycling d) restoring the environment e) reducing waste

107. ## Math

Give reasons for each of the following steps: 16 + 31= ( 1. 10 + 6) + (3.10 + 1) = ( 1. 10 + 3. 10) + (6 + 1) = (1+ 3) 10 + (6+ 1) = 4 .10 + 7 = 47

108. ## Math

Please help! What is the solution of 5 - 2x is greater than -3 OR -3x + 9 is less than -6 Thank you

109. ## Algebra

A moving Company weighs 20 boxes you have packed that contain either books or clothes and says the total weight is 404 pounds. You know that a box of books weighs 40 pounds and a box of clothes weighs 7 pounds. Find how many boxes of books and how many

110. ## Algebra

During the last 365 days it was sunny 5 days less than 4 times the number of rainy days. How many days did it rain?

111. ## Calculus III

Consider a room ten units long in the x, y, and z directions. Speci cally, the walls of the room are the four planes, x = 0, x = 10, y = 0, and y = 10, and the floor and ceiling are z = 0 and z = 10,respectively. A flat triangular mirror is mounted in one

112. ## physcial science

three term why physical science is used in life

113. ## 6th grade

i have to make a 3x3 magic square using numbers 9 threw 17 to equal 39 help please

2d + 1 --- 5

188. ## 3rd grade

how does a hundred chart help you continue growing number patterns?

189. ## Math

0.38 = (3X0.1) + ( X ) My sons paper instructs us to fill in the missing values. We understand that we are to fill in the two values in the second set of parenthesis, but that is all we understand.

190. ## English

The climax of "The Lottery" is when: A.The Hutchinson family is selected as the lottery winners B.Tessie is selected as the final lottery winner C.Tessie is stoned to death by the village I'm leaning towards B but I'm not sure if maybe it is C but I think

191. ## spanish

(Which indefinites correspond with the following words?) Please re-write the following nouns preceded by the correct indefenido. 6. ____ primos 7. ____ apartamentos 8. ____ idioma 9. ____ naciones

192. ## art

I am trying to answer a question about "Lapinth and centaur, metope" I was trying to answer these questions about it: What is the relationship between the art and the culture of the related civilization? How did that genre of art influence the culture of

193. ## History

Analyze the social/cultural/economic responses of the British, French, and Spanish to the Native Americans of North America prior to 1750

194. ## math

find an equation of the linear function f using the given information. please show all steps and work f(-1)=1, f(1)=-2

195. ## english

does anyone know the definition to the word "zenith"

196. ## English

Manpower report shows rosier hiring intentions Local News A Manpower Inc. survey has St. Catharines area employers reporting a "hopeful" hiring climate for the rest of the year. The latest national Manpower Employment Outlook Survey revealed 23% of

197. ## chemistry

How are absorbance and transmission spectra related?

198. ## physical science

A 50 kg crate is lifted to a height of 10 meters.How much potential energy does the crate have begin lifted?

2d + 1 fifth

200. ## phys

“There are many social and cultural contexts you interact with that strongly influence development. These contexts include people you interact with daily, neighborhood factors, and larger scale social and cultural variables. In order to fully understand

201. ## Language

He studied to show himself approved to God. What part of speech is approved?

202. ## 12th grade maths

make x the subject y=r-qp/(x) is the ans x=-qp/(y-r) make the subject (p) p+3=qp+r/(2) is the ans p=r-6/(2-q)

203. ## english

Could I get like a character essay outline? Like what I should have in my 1st, 2nd, 3rd, sentence, etc. How to start it off and flow towars the end? Thanks!

204. ## physics

To measure the height of a tree, you throw a rock directly upward, with a speed just fast enough that the rock brushes against the uppermost leaves and then falls back to the ground. If the rock is in the air for 2.1 s, how tall is the tree?

205. ## science

The numerous places around the country where you can dispose of newspapers aluminum cans and glass bottles are examples of? a) federal programs to prevent erosion b) international cooperation c)states conserving energy d) federal programs for conserving

206. ## calculus

Determine whether the sum from n=1 to infinity of arctan(2n^2/(25n+1)) converges or diverges. If it converges, what is the sum?

207. ## Physics

A long jumper jumps at a 45 degree angle towards the right bank which is 10.0 m away horizontally and 2.5 m vertically below. How long, or short, of the opposite bank will she land?

208. ## spanish

how do you do the accents for the spanish words? and the upside down ? marks and all that good stuff.

asked by whitney-stupid question...
209. ## Math

Could you check these pleas? Firewood usually sold by a measure known as a cord. A full cord may be a stack 8x4x4ft or a stack 8x8x2ft 10. what is the volume of a full cord? 8*4*4=(128ft) 11. A short cord or a face cord of wood is 8x4xThe lenght of the

210. ## math

Simplify. Your answer should contain only positive exponents. (when a number is between *__* its an exponent) 5y*-5* - ------- -u*5* v*-4* .(times) -uv*5* sorry if this is a bit confusing (hard to write this on a computer)

211. ## 11th grade

An automobile starts from rest and accelerates to a final velocity in two stages along a straight road. Each stage occupies the same amount of time. In stage 1, the magnitude of the car's acceleration is 3.3 m/s2. The magnitude of the car's velocity at the

212. ## Math

Time and money are always significant. Look at this scenario. You can either do your own yard work or you can pay someone to do it for you. You find that it takes you about 50 minutes to clip, mow, and otherwise clean up your yard each time you do it. You

213. ## math

what number when multiplied by -17 and subtract -13 gives me 370

214. ## physics

An automobile starts from rest and accelerates to a final velocity in two stages along a straight road. Each stage occupies the same amount of time. In stage 1, the magnitude of the car's acceleration is 3.3 m/s2. The magnitude of the car's velocity at the

215. ## Math - system of equations

write two other equations that have the same solution as this system od equations. 3x-4y=-14 -x+3y=18 I found the solution to the system it is (6,8) there after how do i go about it?

216. ## Math

Rounded to the nearest ten I am 40. the sum of my digits is 11.. What is it?

217. ## essay

In the story, "A Worn Path", by Eudora Welty, An elderly African American woman, named Phoenix Jackson, embarks on a long and tedious journey through the woods accompanied by seemingly unforseen forces working against her that are trying to deter her from

218. ## phy

At what projection angle will the range of a projectile equal to 3 times its maximum height?

219. ## Math

Simplify expression. Answers should only have positive exponents. Assume all variables are positive. (4x^2 y^-1/3)^3/14 so would it be x^2(3/14) and y^-1/3(3/14)?

220. ## gr 10 english

can someone help me find an article on "power" in the newspaper, particulary somewhere in Ontario?

221. ## math

gary wants to stain the 15-foot-by-15-foot deck in his backyard. one can of stain covers 200 square feet of surface. is one can of stain enough to cover his entire deck?

222. ## math

Express as a sum, difference, and product of logarithms, without using exponents log b sqrt x^3y^2/z9

223. ## math

For which integers a, b, and c does a – b- c= a- (b – c) Justify your answer.

224. ## French

Translate to English: Combien de notes aurez-vous pour votre projet de recherche? I've tried this on translating sites, but the translations just don't make any sense. The part about notes...I don't think it means notes in English. Please help!

225. ## Math

Can you please helop with this problem? Solve this problem: -x/3 is greater than or equal to 2 Thank you

226. ## Chemistry

How many joules (J) are needed to increase the temperature of15.0g of lead from 20 degrees celsius to 40 degrees celsius? (Specific heat of Pb is 0.128J/g degree celsius)

227. ## Amercain history

Due to the costs of production, the major news source that would NOT emerge as a major entity until the creation of cable television would be: Answer ABC. FOX. CBS. NBC.

228. ## science

Preservation of resources means ______.? a) only maintaining the environment b) using resources with little thought to the future c) maintaining and restoring the environment d) using resources with a maximum of waste e) using resources with a minimum of

229. ## math

a coin is tossed twice and a number cube is rolled. Find probability. 1 head, 1 tail,and 3

230. ## Science

Why do we name hurricanes?

231. ## Science

Why do we name hurricanes?

232. ## health

what is a catchy starting sentence to stat talking about " hip replacement system recall"?

WHY DOES FACEBOOK KEEPS SAYING IM OFFLINE AND IM NOT? WHAT CAN I DO TO STOP THAT?

234. ## biology

WHAT CHARGE ARE PROTONS

235. ## physics

True or False? An iron bar has the same density as an aluminium bar that is twice as large

236. ## Physics

The problem contains graphics that I don't know how to show other than in an image format: h t t p : / / b i t . l y / c D H P V M h t t p : / / b i t . l y / 9 m b y C R

237. ## math

in 1935 during the great depression why couldn't a person living in new york city be buried west of the mississippi river?

238. ## home economics

how are patterns applied to fabric?

239. ## spanish

what is the subject pronoun that of this been left out of this conversation? Antonela Me llamo Antonela.

240. ## math

100lb=_____kg

241. ## Math

Give two other facts about the plot or roads through it.

242. ## math

100lb/ft^2=_____N/m^2

243. ## buisness law

Can the federal court hear a case over the fda removing stoping a new product from being distributed?

244. ## 8th grade

2/5 divided by 5/6

245. ## math

98450 divide by 24 need to know the answer and how i can get to that answer

246. ## Math 116

What is an inequality

247. ## Spanish

Is there a difference if you say where you live by saying "Yo vivo en Florida" or "Vivo in Florida." I don't get why they say the Yo sometimes and not the other times

248. ## Spanish

What is the difference between asking "De donde eres" or asking "Donde vives?"

249. ## Science

Why do scientists use experimental design?

250. ## math

i need to find when the function increases or decreases, this is the derivative of the function (10 − 3x)/(2 ¡î5 − x) but how do you solve the function when x is zero?

251. ## math

explain why 1,734 is greater than 175

252. ## U.S. Government

Why does the Pluralist theory best describe "who holds power and influences public policy" in the U.S. today?

253. ## Chemistry

What is the formula of a substance that contains 0.0920 g of C and 0.0180 g of H?