# Questions Asked onNovember 4, 2010

1. ## Physics

A dentist's drill starts from rest. After 3.20 s of constant angular acceleration it turns at a rate of 2.7 104 rev/min. (a) Find the drill's angular acceleration. (b) Determine the angle (in radians) through which the drill rotates during this period.

2. ## Physics

3. A person exerts a force of 55 N on the end of a door 74 cm wide. What is the magnitude of the torque if the force is exerted a)perpendicular to the door b)at a 45 degree angle to the door, c) at a 125 degree angle to the door?

3. ## chemistry

In the REDOX reaction in basic solution Zn-->Zn(OH)4+H2 I know that the first half reaction is 4H20+Zn-->Zn(OH)4 +4H+e but the second one is either 2e+2H2O--->H2+2OH (WHICH IS THE ANSWER GIVEN ON THE WORKSHEET) OR 2e+2H-->H2 I think both leads to the same

4. ## Chemistry

Hydrogen and methanol (CH3OH) have both been proposed as alternatives to hydrocarbon fuels. a) Write balanced chemical equations for the complete combustion of hydrogen and the complete combustion of gaseous methanol. Combustion reaction for hydrogen:

5. ## chemistry

what the balanved equation for gaseous sulfur dioxide reacts with water to form aq sulfurous acid (H2SO3)

6. ## Chemistry

How much heat, in kilojoules, is associated with the production of 273kg of slaked lime, Ca(OH)2? CaO(s)+H2O(l)-->Ca(OH)2(s) delta H=-65.2kJ

7. ## college chemistry

The base dissociation equilibrium constant (Kb) for C5H5N is 1.40×10-9 (eq. 1). (eq. 1): C5H5N(aq) + H2O(l) = OH-(aq) + C5H5NH+(aq) Calculate the value of the equilibrium constant (Ka) for the hydrolysis of C5H5NH+ as shown in the reaction (eq. 2). (eq.

8. ## biology

What happens to proteins dissolved in water when you heat it to 100 degrees celcius?

9. ## Chem

What is the enthalpy for the following reaction? overall: C2H4+H2O--->C2H5OH is -1411kJ correct??

10. ## calculus

A square-based, box-shaped shipping crate is designed to have a volume of 16ft^3. The material used to make the base costs twice as much (per ft^2) as the material in the sides, and the material used to make the top costs half as much (per ft^2) as the

11. ## STOICHIOMETRY

2Al + 3CuSO4 ! Al2(SO4)3 + 3Cu What is the maximum amount of Cu (63.5 g/mol) that could be produced by reacting 20.0 grams of Al (27.0 g/mol) with excess CuSO4?

12. ## Physics - Standing Waves

a) A plot of lnv vs. lnT should be a straight line. Why? b) What is the slope of the straight line? c) What is the intercept of the straight line?

13. ## college chemistry

Balance the equation in aqueous acidic solution: C2O42-(aq) + MnO4-(aq) → Mn2+(aq) + CO2(g) please teach me how to do it!

14. ## AP Chemistry

One way of separating oxygen isotopes is by gaseous diffusion of carbon monoxide. The gaseous diffusion process behaves like an effusion process. Calculate the relative rates of effusion of 12C16O, 12C17O, and 12C18O. Name some advantages and disadvantages

15. ## Chem

What is the enthalpy for the following reaction? C2H4+H2O--->C2H5OH

16. ## College Chemistry

Calculate the pH of a 0.5 M Formic Acid (HCOOH) soln. ka= 0.00018

17. ## PHYSICS HELP

The maximum lift force on a bat is proportional to the square of its flying speed v. For the hoary bat (Lasiurus cinereus), the magnitude of the lift force is given by FL (0.021 N·s2/m2)v2 The bat can fly in a horizontal circle by "banking" its wings at

76. ## Math

I'm really struggling with how to set this up: A company has 18 members on its management team,10 men and 8 women. There is a conference in Hawaii, and the company decided to send 5 people. If the selection of five people is random, find the following

77. ## AP Chemistry

The molar mass of a volatile liquid (one which vaporizes easily) can be determined by a the DUMAS METHOD.' In this process a small amount of the liquid (a few drops) is placed in a clean flask. The mouth of the flask is covered with a piece of foil that

78. ## physics

A 1200 kg car is being driven up a 5:0 hill. The frictional force is directed opposite to the motion of the car and has a magnitude of f = 524 N. A force ~F is applied to the car by the road and propels the car forward. In addition to these two forces, two

79. ## Physics

A spherical 0.34 kg orange, 2.0 cm in radius, is dropped from the top of a building of height 31 m. After striking the pavement, the shape of the orange is a 0.60 cm thick pancake. Neglect air resistance and assume that the collision is completely

80. ## physics

A UNIFORM RING OF MASS M AND RADIUS R IS ROLLING WITHOUT SLIPPING ON A HORIZONTAL SURFACE.FIND THE RADIUS OF CURVATURE OF TRAJECTORY TRACED OUT BY THE HIGHEST POINT?

81. ## Physics

A block of mass M resting on a 21.5° slope is shown. The block has coefficients of friction μs=0.605 and μk=0.344 with the surface. It is connected via a massless string over a massless, frictionless pulley to a hanging block of mass 2.57 kg. What is

82. ## Physics

Gravity on the surface of the moon is only 1 6 as strong as gravity on the Earth. What is the weight of a 33 kg object on the Earth? The acceleration of gravity is 10m/s2 . Answer in units of N.

83. ## math

Kwan has modeled a number that is less than 999. His model has twice as many 100-blocks as 10-blocks. It has twice as many 10-blocks as 1-blocks. What is the number?

84. ## Physics

Water flows over a section of a waterfall at the rate of 4.9 104 kg/s and falls 36 m. How much power is generated by the falling water?

85. ## Chem

Part A : This is the first law of thermodynamics question. case 1 - the system expands and the surroundings get hotter case 2 - the system expands and the surroundgins get colder case 3 - the system contracts and the surroundings get hotter case 4 - the

86. ## physics

What is the magnitude of the apparent weight of a 79 astronaut 5200 from the center of the Earth's Moon in a space vehicle moving at constant velocity?

87. ## organic chemistry lab

chloroform is an excellent solvent for extraction caffeine from water. Kd = 10 for caffeine in chloroform- water at 25 Celsius. what weight of caffeine would be removed from a solution of 4g caffeine in 100ml water by a single extraction of 100 ml of

88. ## physics

A spot of paint on a bicycle tire moves in a circular path of radius 0.27 m. When the spot has traveled a linear distance of 2.18 m, through what angle has the tire rotated? Give your answer in radians.

Sorry for the re-post but I really need to know this, but now I just want to know if the question is right. A spring with a force of 5.2 N/m has a relaxed length of 2.45. When a mass is attached to the end of the spring and allowed to come to rest. the

90. ## phy

A scuba diver and her gear displace a volume of 71.0 L and have a total mass of 64.0 kg. (a) What is the buoyant force on the diver in sea water?

This is the question I posted about two hours ago and I worked it out two ways-could you scroll down and check it, please?If I have a roller coaster, and hill 1 height is 50cm and hill height 2 is 25 cm and the PE is .9 as it approaches the top of hill 2,

92. ## English

1. The car runs on gas. 2. The car runs on gas and electricity. (Are both grammatical? Do we have to use 'on'? Can't we use other prepositions instead of 'on'?)

93. ## Physics

A massless spring of constant k = 91.0 N/m is fixed on the left side of a level track. A block of mass m = 0.50 kg is pressed against the spring and compresses it a distance of d. The block (initially at rest) is then released and travels toward a circular

94. ## Geometry

MNPQ is a rhombus. The measure of angle MRQ is (13t-1) degrees, and the measure of angle PQR is (7t+4) degrees. what is the measure of angle PQM?

95. ## Physics

I THINK SOMEONE HAS THIS SAME QUETION! A massless spring of constant k = 91.0 N/m is fixed on the left side of a level track. A block of mass m = 0.50 kg is pressed against the spring and compresses it a distance of d. The block (initially at rest) is then

96. ## math

a computer company can sell 1000 computers if they price them at $500. The number sold will increase by 10 for every 1$ decrease in the price. The company has fixed cost of $100,000, and each computer costs$300 to produce. Find the price that will

97. ## Geomtry

The scissor lift forms rhombus PQRS with PQ= (7b-5) meters and QR= (2b-0.5) meters. IF S is the midpoint of Line RT, what is the length of line RT

98. ## calculus

solve (12/t)+t-8=0 (solving rational equations)

Two ships leave a harbor at the same time, traveling on courses that have an angle of 140 degrees between them. If the first ship travels at 26 miles per hour and the second ship travels at 34 miles per hour, how far apart are the two ships after 3 hours?

100. ## college

convert 2(NH4)3PO4+3HgSO4=3(NH4)2SO4+Hg3(PO4)2 into complete ionic equation,then net ionic equation

172. ## english

"The author successfully translates her experience in Darfur into terrifyingly realistic scenes." authenticity?

173. ## chemistry

What volume of a 3.70 M KI stock solution would you use to make 0.400 L of a 1.25 M KI solution?

174. ## English

It "accepted" the bride into the family. Is accepted an action verb physical or mental? It is referring to a letter

how many moles of anhydrous MgSO4 are in 2.04grams of MgSO4

176. ## US History

1. Why did Congress pass the Taft-Hartley Act in 1947? a. to protect union officials against undue invasion of privacy b. to raise wages c. to increase unemployment benefits d. to restrict labor strikes that threatened the national interest D? 20. An

177. ## MAT 115

Julio works as a quality control expert in a beverage factory. The assembly line that he monitors produces about 20,000 bottles in a 24-hour period. Julio samples about 120 bottles an hour and rejects the line if he finds more than 1/50 of the sample to be

178. ## Physics

There is a vertical tension at the top of a 4 m long ladder holding it at an incline. The bottom of the ladder is touching the floor, which exerts a normal force. You are standing 1 meter from the top of the ladder. What happens to the tension as you walk

179. ## Chemistry

7.72 g of CuBr2 contains how many bromide (Br-) ions?

180. ## fractions word problems fifth gradee

I have fraction word problem made from a recipe. If it takes 2 1/2 cups of oatmeal to make 30 cookies. How much oatmeal will it take to make 120 cookies?

181. ## Chemistry

I had a problem that asked what volume of water in gallons would need to be split to store the same amount of energy as found in 10.0 gallons of gasoline? I got an answer of 10.06 gallons of water. Just by looking at it, does this sound like it could be

182. ## Math: Calculus

Find the smallest positive value of which satisfies -- x=4.100cos(2.800x) Give the answer to four places of accuracy._________ Remember to calculate the trig functions in radian mode.

183. ## Math: Calculus

The equation: 10(x-1)(x-2)(x-3)=1, has three real solutions a

184. ## MATH

THE MEAN PRICE OF DIGITAL CAMERAS AT AN ELECTRONIS STOR IS $224, WITH A STANDARD DEVIATION OF$8. RANDOM SAMPLES OF SIZE 36 ARE DRAWN FROM THIS POPULATION AND THE MEAN OF EACH SAMPLE IS DETERMINED.

185. ## French

Can you check these thanks. Le métro Directions: Completez 1. Il y a dix tickets de métr dans un ----------. Answer: carnet 2. On peut acheter des tickets au ----------- ou au -------------. Answer 1: guichet Answer 2: distribueur automatique 3. Les

186. ## Discrete Math

7.A group has 9 women and 7 men. d. Suppose 2 members of the group refuse to work together. How many subgroups of 5 can be chosen 8. In how many ways can 16 people be seated: a. In a row, if 4 of the 16 do not want to sit next to one another b. In a row,

187. ## physics

i have two kinetic energies and my homework asks for the ratio, K2/K1 Do i just divide them?

188. ## Physics

A man weighs 1220 N on Earth. What would he weigh on Jupiter, where the free-fall acceleration is 25.9 m/s2? The acceleration of gravity is 9.8 m/s2 . Answer in units of N.

189. ## writing

Write five sentences about the role of education in successful financial planning in the spaces on the following page. Correctly use a different verb tense in each sentence. Highlight each verb in yellow and identify the tense in parentheses.

190. ## Geometry

The distance from B to D is approximately (x+10) feet, and the distance from A to C is approcimately (2x-5.3) feet. what is the approximate distance from A to C?

191. ## college chemistry

Which of the following terms would be in the product(s) for the correctly balanced equation if the equilibrium expression is: [CO2]2/[CO]2[O2] a. O2 b. 2 CO2 c. CO2 d. 2 CO

192. ## logarithmic differentiation

How do you find the logarithmic differentiation of y = x^6x?

193. ## government

What is a document that sets up the broad organization of a government and the rules under which it operate?

find the solutions of the equation that are in the interval [0,2pi) 2-cos^2x=4sin^2(1/2x)

195. ## math

for a sample of n = 75, find the probaBILITY OF A SAMPLE MEAN BEING BEIGN GREATER THAN 221 IF U = 220 AND O = 3.9

196. ## English

Can you help me check these sentences please? I still have some doubts. 1)I like playing sports in the real life but I have never played online games. 2)I have internet access at home (?). I find sports and game (?) websites interesting. 3)I have never

197. ## Finance

Johnson Alarm Systems had 800,000 of retained earnings on December 31, 2008. the company paid common dividends of 60,000 in 2008 and had retained earnings of 640,000 on December 31, 2007. how much did Johnson earn during 2008, and what would earnings per

198. ## chemistry

If you have 137.8 mL of a 38.4% aqueous solution of ethanol, what volumes of ethanol and water are in the solution?

207. ## chemistry

express the barometric pressure in atm. 30.09Hg

208. ## math

1.Drew has fifty-six rolls. seven rolls will fit on one tray. how many trays does he need to carry all of the rolls? write an equation to solve the problem. 2. one gallon is about 3.78 L.about how many liters tow gallons? use words to write the answer. to

209. ## pre-algerbra

I have been working on this problem for an hour and a half! I keep getting 1.33 but I know that's not right!! Jim drove the 120 miles to grandmothers house in 3 hours. He increased the speed by 10 miles per hour on the way home. How long did it take him to

210. ## physics

A yo-yo of radius 10 cm and mass 1 kg is dropped from rest. What is the instantaneous torque on the yo-yo if I hold the string with my fingers?

211. ## Math

Using the digit 2 and 1. Write a decimal less than 0.3

212. ## math

Your friend is tossing a coin. He says that heads and tails are equally likey outcomes, so the probability of getting heads is 50/50. Explain your friends error.

213. ## Pharm Tech

how many milliliters of a 5% stock solution are needed to prepare 250ml of a 2% solution?

214. ## math

whrit for multiplication/division facts using the numbers 3, 8, and 24. 5.what are the seven months of the year that have 31 days? 6. find the eughth multiple of six. then add one. what is the square root of the answer? 8. in the 2004 presidentail

215. ## physics

An object is moving to the right at a speed of 4 m/s. Four forces(10N North, 10N South, 20N Left, 20N Right) are applied to the object at the same time. What will be the object's speed in m/s after the forces are applied?

216. ## psycology

Discuss how the visual system resolves ambiguities by making different types of assumptions and describe these assumptions.

217. ## math

write for multiplication/division facts using the numbers 3, 8, and 24. 5.what are the seven months of the year that have 31 days? 6. find the eughth multiple of six. then add one. what is the square root of the answer?

218. ## history

How does a command economy affect a worker's life?

find the solutions of the equation that are in the interval [0,2pi) (a) sin2t+sint=0 (b)cost-sin2t=0

220. ## physics

An object is moving to the right at a speed of 4 m/s. Four forces(10N North, 10N South, 20N Left, 20N Right) are applied to the object at the same time. What will be the object's speed in m/s after the forces are applied?

221. ## chemistry

How do u solve this calculate the mass of (NH4)2SO4 if 16 g H is used

222. ## math algebra

how would i do this problem elina and teresa raced on their bikes to the library after school. they both left at 3:00 pm and bicycled along the same trail elina rode at the speed of 12 miles an hour and teresa rode at the speed of 9 mph. elina got there

223. ## 11th Grade AP English

i have to wright an essay tomorro comparing The Great Gatsby and The Color of Water. Can anyone help me get some ideas/topics on what i should wright about?

Find a degree 6 polynomial with - 8 as a root, no other roots, and in which the coefficient of x^6 is 16. Assume that all (non-constant) factors of the polynomial correspond to real zeroes.

225. ## US History

Why might it have been a mistake for Germany to have broken its pact and invaded the Soviet Union during World War II? Thanks -MC

226. ## chemistry

One way that safety enters into specifications is to specify the composition of a vapor in air that could burn if ignited. If the range of concentration of benzene in air in which ignition could take place is 1.4 to 8.0 percent, what would be the

227. ## ap calculus

A particle moves along a straight line with displacement s(t), velocity v(t), and acceleration a(t). Show that a(t) = v(t) dv/ds.

228. ## logarithmic differentiation

How do you find the logarithmic differentiation of y = x^-cos x ?

229. ## literacy skill

why does children with schizophrina finds it extremely diddicult to manage their everyday life

230. ## chem 106 xtra credit!!**

what is EDTA and why is it added to salad dressings and many other processed food stuffs?

231. ## Chemistry

I need to determine the "percentage composition unknown" whatever that is. My current data: a) mass of test tube and foil cover: 7.5323 g b)temp of water bath: 375.65 K c) mass of test tube and foil and gas as sample: 7.5423 g d) barometric pressure:

232. ## US History

25. The views of President Hoover and President Roosevelt on the best ways to solve the problems of the depression. Describe some actions they took to back up these views. (The first part of the question doesn't make sense to me, but that's how it's

233. ## algebra

Write the equation for this situation: the value, v, in hundreds of dollars, of Bob’s stamp collection is 12 dollars more than 1/3 of the age, t (in years). Then graph the equation and use the graph to determine the value of Debbie’s coin collection if

234. ## math

5.15 as fraction or mixed number?

235. ## probability

Mr. Spark has problems starting his two cars during the winter. He decided to record the number of times each car starts during a 30-day period. He recorded the following information. His Hyundai started 18 times. His Subaru started 20 times. Both cars

236. ## math

find p 160/p=21

237. ## math

fran made a rectangle with 36 square tiles.the sum of the length and width is 15.what are the length and width of her rectangle?

238. ## science

What policies would you recommend to these countries, assuming their desire to achieve a sustainable society

239. ## math

The scissor lift forms rhombus PQRS with PQ= (7b-5) meters and QR= (2b-0.5) meters. IF S is the midpoint of Line RT, what is the length of line RT

240. ## math

How do I write 2.59 as a percent?

241. ## ALGEBRA

I also have an answer for this one. Just need to be sure. Says to solve then graph. x +9>2; x + 9 - 9> 2 - 9 x > - 7. I believe this means anything to the right of -7 could be a solution. I would graph this with an open circle at -7 and shade to the right

242. ## Algebra

..Help me with these problems.. x/4=2x+3/15 21/y-8=3 11u/6=u+14

243. ## college

If 75 grams of ice at 0 degrees celsius were added to 1.5 Liters of water at 75 degrees celsius, what would be the final temperature?

244. ## Math - determinants

| x 5 2 | |-6 4 1 | = x(squared) + 22x - 1 | 3 1 x | Solve for x.

245. ## science

Evolucion and origen de la vida

246. ## math

an equivalent fraction to the fraction -6/54 would be a) -12/60 b) -7/72 c) -5/45 d) -1/10 would the answer be c?

247. ## Econ

Explain how an economist could use the slope of the yield curve to analyze the probability that a recession will occur and why the spread may matter.

248. ## US History

How did Britain's location help that nation to avoid a German invasion during World War II? Thanks -MC

249. ## chemistry

What volume of a 3.70 M KI stock solution would you use to make 0.400 L of a 1.25 M KI solution?

250. ## science

what is the walker circulation of normal & El nino conditions? help me please!!!!!!!!!!!!!!!!

251. ## Algebra

The area of a rectangular athletic field is represented by the expression 48x^4 + 32x^3 - 72x square meters. Write an algebraic expression to represent one possible set of dimensions (in the sense Òlength times widthÓ) of the athletic field. Include

252. ## chemistry

A lab technician determines the boiling point elevation of an aqueous solution of a nonvolatile, nonelectrolyte to be 1.95°C. What is the solution's molality?

253. ## Algebra

The area of a rectangular athletic field is represented by the expression square meters. Write an algebraic expression to represent one possible set of dimensions (in the sense Òlength times widthÓ) of the athletic field. Include correct units with your

254. ## Calc

Find the f'(3) of F(x)=9(sin(x))^x

what steps does the body take to digest milk thanks

256. ## logarithmic differentiation

How do you find the logarithmic differentiation of y = x-cos x ?

257. ## Chemistry

50 ml of 5 M H2SO4 react with excess BaCl2 to Make 40 g of BaSO4. a.) What is the theoretical yield of BaSO4? b.) What is the Percentage yield of BaSO4

political cartoon in 1994 in South Africa would most likely depict shackles being removed off a voter in order to express

259. ## chemistry

Suppose you were asked to determine the exact acetic acid concentration in an acetic acid solution that was about 50% acid?

260. ## science

which of the following biomes would receive the most yearly rain? A desert B rainforest C grassland D coniferous forest

261. ## chemistry

How many calories does it take to convert 22 grams of liquid water with a temperature of 48 degrees C to steam?

262. ## chemistry

Which term in the following reaction would not be included in the equilibrium expression? 2 Na3PO4 (aq) + 3 MgCl2 (aq) → 2 Mg3(PO4)2 (s) + 6 NaCl (aq)

263. ## math

Stephen said that the ratio of his mortgage to the sales price of his house is 7 to 6. Is this reasonable? Explain your answer. I said yes it is reasonable. Stephen would pay 7 dollars for every 6 he borrowed. We don't know the sales price or how long the

264. ## Calculus

Find all extrema, inflection points, and asymptotes where applicable f(x)= 2x^3-12x^2+18x I got 0, 8 for extrema 2, 0 for I.P and I don't know how to find asymptotes

265. ## Physics

Suppose I apply a force to an initially motionless object. I push on the edge at an angle of 30 degrees. What is the torque on this object in terms of r and F?

266. ## AP Calculus BC

Use a graphing calculator to find how many widgets to make in order to maximize profit. The price (p) of one widget is given as a funtion of the number sold (n) as p=20e^[(-n^2)/40000]and the total cost (c) to make n widgets is given by C = 2n^2 + 2000/( n

267. ## algebra 1

help me please What is the smallest solution to the inequality 4 (x -1) > 16?

268. ## health

The patient, 78-year-old female with NIDDM, is seen in the physician’s office today for evaluation of a left heel wound. After evaluation, the physician diagnosed the patient with diabetic foot ulcer due to peripheral vascular disease. The physician

273. ## Literature

Please summerize and help me to understand M.H.Abrams-Structure and Style in the Greater Romantic Lyric? mail me please,thank you for your concern.

274. ## math

the width of the field is 3/4 the length and the radius of the center circle is 1/10 the width.what are the dimensions of the soccer field,given the perimeter is 420m?

275. ## ALgebra

a swim club requires a $120 membership, plus$4 each swim. How much would a person pay to swim 35 times?

276. ## Pearson

Calculate the acceleration due to the rotation of the Earth of a person in a location 22° northern geographical latitude. Use R Earth = 3,680 km for the value of the radius of the Earth.

277. ## calculus

solve (1/m)=(m-34)/2m^2

278. ## Math

How do I make a bar graph with this? Mass Distance Mass Distance Empty Full 161 456 420 546 161 273 420 455 161 456 420 456

279. ## chemistry

A stock solution is prepared by adding 26 mL of 1.1 M K3PO4 to enough water to make 30 mL. How many moles of K+ are in 21 mL of the stock solution?

280. ## english

it is not unusual for writers to confuse advers and adjectives how did the material in my writinglab help reduce the possibility of confusion describe the strategies you have developed to avaoid confusing the use of adverbs and adjectives in the future

281. ## College

What is one strength you see in the current U.S. health care system? What is one weakness you see? List and describe one of the challenges facing the U.S. health care system.

282. ## grammar

What are the nouns in this sentence? 1. Every section of the United States has scenes of natual beauty. 2. Southern coastal cities are proud of their sandy beaches. 3. The citizens of every state take pride in ther charm of their won state.

283. ## Music Theory

Explain to me how to get information on the computer about higher pair notes

284. ## math

John who is an amateur golfer spends 3 hrs a day practicing golf. What percentage of his waking hours does John spend practing golf if he sleeps 9 hours a day. PLEASE SHOW WORK.

285. ## Information Technology Infrastructure.

Identify at least three difficulties that a DBMS overcomes for the business enterprise. Name two additional problems that are caused by relational DBMS technology. Justify your choices.

286. ## physics

find the magnitude and direction of a combination of 48N east and 14N north.

287. ## social studies

anyone know social studies?

288. ## math

Using the digit 2 and 1. Write a fraction greater than 1/3

289. ## Math

Using the digit 9 and 1. Write a fraction less than 1/10

290. ## Social St

What were the land like in the colonial time of Newyork and what kind of Indians Already lived there??/

291. ## Sociology-

I do not understand the reading"what happened to the American Social Compact?" of Robert Reich although I have read it many many times. Could you please explain it in main ideas? please help me.

292. ## Math

make F the subject: e=3-f/1+2f

293. ## algebra

Solve this equation 3(a+2)+5=2a+4

294. ## physics

2.0g bullet fired with speed of 44.5m/s what is the kinetic? is there any conversions involved?

295. ## Social Civics

Today a worker's right strike A. cannot be limited in any way B. is not legally reconized under any circumstance C. can be limited by injunction under certain circumstances D. none of these

296. ## Englis just one line

please corret this line. But in fact their actions and words worth nothing; it is their wealth which hides all their weakness.

what is the best parking space/shortest that would take the from store 1 to store 2 and back to the car?use the following information: -the distance between store 1 to store 2 is 25 yds wide. -driveway between the sidewalk and parking lot is 10 yds this

298. ## Math

How do you change a fraction into a decimal besides the way of dividing the numerator by the denominator?

jose worked for 13 minutes weeding the garden. when he has worked 20 minutes he will get a dollar, how many more minutes does he need to work to get the dollar?

300. ## math

10. $10.00-$5.46 11. 36,024 - 15,539 12. 43,675 + 52,059 19. 3.75 + 2.5 + 04 20. 42.25-7.5

301. ## math

21.a. which of these number is a multiple of 10? A 35 B 40 C 45 D 101 b. how can you fine the answer for part a just by looking? 22.a. A dime is what fraction of a dollar? b. A dime is what percent of a dollar

302. ## Psychology

Why do you believe that researchers would want to see if there isa correlation rather than just fully testing ech variable?

303. ## math

25. is 16 a prime number? why or why not? 27. which of these numbers is a factor of 12? A 0 B 6 C 8 D 24

304. ## math

John who is an amateur golfer spends 3 hrs a day practicing golf. What percentage of his waking hours does John spend practing golf if he sleeps 9 hours a day. PLEASE SHOW WORK.

305. ## chemistry

Answers for copper has a density of 8.92g/cm3 and nickel has a density of 8.90 . which one is denser

306. ## spelling

what is the correct abc order for sister's sisters sisters'

307. ## TEACHING

HOW DO DUE PROCESS RIGHTS DIFFER FOR PROBATIONARY AND TENURED TEACHERS

308. ## Calc

Find f'(7) for f(x)=6x^ln(x)

309. ## chemistry

If the first pKa of H2S is 7.0, what is the pH of a solution containing 10% H2S- and 90% HS-?

310. ## grammar

need help editing and grammar for this journal Journal # 4 David Renaldo Monday, November 1st 2013 These past few weeks have been chaotic for me. I started to believe that my parents were starting to give me the independence which I think I deserve. Now I

Find the domain of the following rational function. R(x) = -3x^2 / x^2 + 2x - 48 (x+8)(x-6) So the domain is x cannot be 8 or -6. Am I correct?

312. ## physics

the heating effect of the fuse wire is caused by... a) emmision of moving electrons by stationary atoms b) absorption of moving electrons by stationary atoms c)collisions by moving electrons and stationary atoms thanks

313. ## chemistry

If you have 137.8 mL of a 38.4% aqueous solution of ethanol, what volumes of ethanol and water are in the solution?

314. ## English

Hi Can somebody tell me if this is correct? The question is, find lines that Shakespeare enjoy by commenting on the play itself. HAMLET (to FIRST PLAYER) 'Tis well. I’ll have thee speak out the rest soon. (to POLONIUS) Good my lord, will you see the

315. ## Physics

A spaceship is launched from the Earth's surface with a speed v. The radius of the Earth is R. What will its speed be when it is very far from the Earth? (Use any variable or symbol stated above along with the following as necessary: G for the

374. ## Porter model

Identify the competitive forces in Porterâ€™s model. What affect might these forces have on a business? What can a business do to respond to these forces?

What happens to a rollercoaster's motion in terms of energy when it goes over a second hill that is higher than the first hill.I think it is because the kinetic energy does not have the momentum so when converted into PE, it can't make it over a higher

377. ## Math

Using the digit 9 and 1. Write a decimal less than 0.3

378. ## Math

Using the digit 5 and 1. Write a fraction less than 1/10

379. ## Science

When learning about types of energy what are the types of energy for: A. a lit match, yo-yo, bicycle, trampoline, apple, lightbulb, cooker, moving bullet, nuclear bob, hairdryer, solar panel,campfire, car, human, tv, mobile phone, thanks

380. ## science

what is the walker circulation of normal & El nino conditions? help me

381. ## Education

what is the difference between terminating a teacher and nonrenewing a teacher's contract

382. ## Math

81 is 56% of what?

383. ## English

How did boy come into modern English

I am a being from another planet, please explain to me which is alive: a clock or a fish? Compare the two, similarities and differences.Can you help me answer this question ? thank you.

385. ## math

3x + 4 = 5x - 7

386. ## Science

What is a Lysosome? THANKS! :)

387. ## English

I forgot to include these sentences. I really hope you can look at them, too. 1)I’ve never played any digital games on my cell phone but I could. I can’t surf the net at school but we use a drawing programme called Autocad during our design and

388. ## mgt 435

Discuss how leaders identify and formulate effective change to address stakeholder expectations. Analyze how organizations need to improve with respect to employee and customer responsiveness to meet objectives

389. ## English: Vocab

would it make sense to write: he stimulated his friend

100(20*40)

391. ## Math

Using the digits 2 and 1. Write a fraction less than 1/10

392. ## math

change ratio to lowest terms.

393. ## art/101

need an example of appendix a

394. ## college

creating a slide on debunking gender misconception any tips

395. ## math

what is 68% of 13

396. ## science

why does the addition of acetone cause the polystyrene to change shape?

397. ## agricultural science

how to prepare accommodation for a mother and young cattle?

398. ## history

aren't sustainable and renewable kind of the same thing?

399. ## Math

multiply and simplify 5ib.6oz. * 5