# Questions Asked onNovember 19, 2012

1. The price of a radio changes from $40.00 to$44.00. (1 point) 10% decrease 10% increase 36.4% decrease 40% increase 2. The price of an oven changes from $450 to$396. (1 point) 13.6% increase 13.6% decrease 12% increase 12% decrease 3. The top

2. ## Math

Which of the images above represents a proof of the Pythagorean Theorem? Explain your choice, and then explain how the figure proves the Pythagorean Theorem.

3. ## english

1. Why do the sorceresses agree to kill Sunjata? (1 point) Sunjata declined his father's cows. Sunjata had befriended Jelimusoni Tunku Manyan Diawara. Dankaran Tuman's offer was better than Sunjata's. Dankaran Tuman had promised them a bull. 2. Why do the

4. ## Math

Paul is painting a square wall with an area of 115 square feet. To the nearest foot, what is the length of the wall? Hint: A = s2. 11 29 42 58

5. ## English Ms. Sue

10. I have run for this track team for eight years. (HAVE RUN is underlined) Possible answers: A.) present perfect tense B.) past perfect tense C.) future perfect tense I think it is A.

6. ## chem

The molar concentrations for the reactants and products at equilibrium are found to be [HCl] = 0.80 M, [O2] = 0.20 M, [Cl2] = 3.0 M, and H2O = 3.0 M. What is the value of the equilibrium constant for this reaction? the complete reaction is

7. ## Physics

An unfortunate astronaut loses his grip during a spacewalk and finds himself floating away from the space station, carrying only a rope and a bag of tools. First he tries to throw a rope to his fellow astronaut, but the rope is too short. In a last ditch

8. ## physics

a longitudinal wave with a frequency of 3.0 Hz takes 1.7 s to travel the length of a 2.5-m slinky (see figure 16.3). Determine the wavelength of the wave.

9. ## Physics

A couch with a mass of 100 kg is placed on an adjustable ramp connected to a truck. When one end of the ramp is raised, the couch begins to move downward. If the couch slides down the ramp with an acceleration of .7 meters per second when the ramps angle

10. ## Chemistry

If argon has a volume of 5.0 dm3 and the pressure is .92 atm and the final temperature is 30 degrees celcius and the final volume is 5.7 L and the final pressure is 800 mm Hg, what was the initial temperature of the argon?

5. Sara raised her score on a math test from 86 to 94. Max changed his score on the test from 77 to 85. Who had the greater percent change? (1 point) A. They both had the same percent change. B. Max’s percent increase was about 1.1% more than Sara’s.

12. ## Math

Thinking about the different types of numbers you learned in this unit, how would you help someone remember the differences between rational and irrational numbers? Remember to mention some of the Key Words from your lessons

13. ## Physics

A uniform ladder of length L and mass m leans against a frictionless vertical wall, making an angle of 56° with the horizontal. The coefficient of static friction between the ladder and the ground is 0.36. If your mass is four times that of the ladder,

14. ## English ms. sue

ms. sue for the article an ode to user friendly pencil i need to write thematic statement, but i not sure what to exactly say about it, cause its just about the author being ironic and making a point. also ms. sue do the title be ironic as well because

15. ## Chemistry

Can someone help draw/explain the Lewis Dot Structure for OPBr3. I've tried different things, but none of them seem to work.

16. ## Physics

A refrigerator has a coefficient of performance of 4.0. When removing 2.4x10^4 J from inside the refrigerator, how much energy is sent into the environment?

17. ## Physics

A thrill-seeking cat with mass 4.00 kg is attached by a harness to an ideal spring of negligible mass and oscillates vertically in SHM. The amplitude is 0.050 m, and at the highest point of the motion the spring has its natural unstretched length.

18. ## chem

a.) At equilibrium, the molar concentrations for reactants and products are found to be [I2] = 0.50 M,[Cl2] = 0.60 M, and [ICl] = 5.0 M. What is the equilibrium constant (Kc) for this reaction? b.) The concentration of I2 is increased to 1.5 M, disrupting

19. ## Physics HELP!

The position of an object connected to a spring varies with time according to the expression x = (7.1 cm) sin (2.1π t). Find (a) the period of this motion (b) the frequency of the motion (c) the amplitude of the motion (d) the first time after t=0 that

20. ## chem

4HCl+O2=2Cl2+H2O Detremine the Kc expression for the reaction above by identifying what belongs in the numerator and what belongs int he denominator? pls do help trying to understand the concept but still confused.

21. ## mechanics

A uniform solid sphere rolls down an incline. What must be the incline angle (deg) if the linear acceleration of the center of the sphere is to have a magnitude of 0.16g?

22. ## Chemistry

Which do not obey the octet rule? Check all that apply. NO BF3 ICl2^- OPBr3 XeF4 An explanation would be appreciated, thanks.

23. ## Physics

Sukey is riding her bicycle when she sees a fallen tree 42 m ahead. If the coefficient of friction is .36 and she is travelling at 50 km/ hr and she and the bike have a mass of 95 kg, how much stopping distance does she need. I got as far as her speed

24. ## English-Grammar

The underlined words (I put them in parantheses) are an example of a(n) ___________. (When the earth, moon, and sun are in line), an eclipse occurs. A. adverbial clause B. adjectival clause C. noun clause My answer is C.

25. ## math

The daily total cost (in dollars) incurred by Trappee and Sons for producing x cases of TexaPep hot sauce is given by the following function. c(x)=0.000002x^3+3x+453 (a) Find the average cost function C. C = ? (b) Find the level of production that results

26. ## Chemistry

In an experiment, 0.0300 moles each of SO3(g), S02(g), and O2(g) were placed in a 10.0L flask at a certain temperature. When the reaction came to equilibrium, the cocentration of SO2(g) in the flask was 3.50x10^-5 molar. What is Kc for the reaction?

27. ## math

Jonah and his friends go apple picking. Jonah fills 5 baskets. each basket holds 15 apples. if 4 of jonahs friends pick the same amount. how many appples do Jonah and his friends pick in all? please help solve this problem?

28. ## Math

What is the sqaure root of thirty six over forty nine?

29. ## CHM formula needed, pls?

How many milliliters of a 0.25 M sucrose solution contain 2.0 grams? The molar mass of sucrose (C12H22O11 ) is 342.3 g/mol.

30. ## science

A car travels 5km to east. Then it goes 3km to north and then 2km to west. What is the displacement the car has traveled?

One challenge faced by people living in Mexico’s heartland region is __________________. a. the threat of hurricanes c. the threat of earthquakes b. the threat of typhoons d. the threat of tornadoes A or C? I'm not sure

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32. ## chemistry

Would a damp filter paper affect the theoritical yield, calculated actual yield and calculated percent yield. Please help. Chemistry is hard.

Which of the following comparisons between Mexico's coastal areas and its heartland is accurate? a. The heartland gets very little rainfall, while the coastal areas get a great deal of rain. c. The coastal areas are devoted to tourism, while the heartland

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34. ## Physics

Football is kicked up into the air with a velocity of 20m/s. a. Determine the time the football is in the air. b. Determine the maximum height the football would reach. c. As the ball is kicked it encounters a weird horizontal wind that gives it a velocity

35. ## physics, university

A 50.0-g sample of a conducting material is all that is available. The resistivity of the material is measured to be 11 x 10-8 ohms/m and the density is 7.86 g/cm3. The material is to be shaped into a solid cylindrical wire that has a total resistance of

36. ## Statistics

Over time, a student analyzes her ability to guess correctly after narrowing down multiple choice answers in a 5-selection question (a through e). She discovers that if she narrows her answers to 2 or 3 choices, her probability of getting the right answer

37. ## Physics

A sled is pulled across a horizontal snow surface with a constant velocity. The force being applied is 80 N at an angle of 53 degrees to the ground. What is the magnitude of the force of friction of the snow acting on the sled?

38. ## financial accounting

eckman company purchased equipment for $80,000 on january 1,2011 and will use the double declining balance method of depreciation. it is estimated that the equipment will have a 5 year life and a$4,000 salvage value at the end of its useful life. the

39. ## chem

How much heat (in {kJ}) evolves when 7.0L of C2H2(d = 1.0967kg/m^3) is mixed with a stoichiometric amount of oxygen gas? The combustion reaction is C2H2+ 5/2 O2-> 2 CO2+ H2O, Delta H=-1299.5 kJ

40. ## Biochem

A buffer solution is prepared by mixing 200 mL of 0.2 M salt solution and 400 mL of a 0.2 M acid solution. What is the concentration of the resulting buffer? ~what is the pKa?

41. ## Physics URGENT!!!

A spring of negligible mass stretches 2.14 cm from its relaxed length when a force of 8.40 N is applied. A 1.300 kg particle rests on a frictionless horizontal surface and is attached to the free end of the spring. The particle is displaced from the origin

42. ## Physics

An electrical generating plant operates at a boiler temperature of 220 deg C and exhausts the unused heat into a nearby river at 18 deg C. what is the maximum theoretical efficiency of the plant?

43. ## math

Phillip, the proprietor of a vineyard, estimates that the first 9600 bottles of wine produced this season will fetch a profit of $5 per bottle. However, the profit from each bottle beyond 9600 drops by$0.0002 for each additional bottle sold. Assuming at

44. ## Physics

In a very busy off-campus eatery one chef sends a 241-g broccoli-tomato-pickle-onion-mushroom pizza sliding down the counter from left to right at 1.53 m/s. Almost simultaneously, the other chef launches a 321-g veggieburger-on-a-bun (with everything, but

45. ## chem

PCL5=PCl3+Cl2 a. Initially 0.72 mole PCl5 are placed in 1.50 L flask. At equilibrium, there is 0.16 mole PCl3 in the flask. What is the equilibrium concentration of the PCl5? b. What is the equilibrium concentration of the Cl2? c.What is the equilibrium

46. ## Math

Jennifer plans to fence a rectangular area around her rectangular swimming pool. The total area enclosed by the fence, including the pool, should be 5 times the area of the pool alone. The pool is 20 feet by 17 feet. A.)What is the total area enclosed by

47. ## Math

The daily total cost (in dollars) incurred by Trappee and Sons for producing x cases of TexaPep hot sauce is given by the following function. (a) Find the average cost function C. C = ? (b) Find the level of production that results in the smallest average

48. ## Physics

A 70.0 kg football player leaps straight up into the air (with no horizontal velocity) to catch a pass. He catches the 0.430 kg ball precisely at the peak of his jump, when he is 19.2 inches off the ground. He hits the ground 1.61 inches away from where he

49. ## chem

When the concentration of I2 is increased to 1.5 M, the ratio of products to reactants is 28. The equilibrium constant for the reaction is 83. In which direction will the reaction shift to regain equilibrium?

50. ## physics

A solid has weight of 400g in air and when partly immersed in a liquid , has a weight of 320g. if it has a relative density of 0.80, fine the volume of the solid

51. ## Physics

A cat chases a mouse across a 1.1 m high table. The mouse steps out of the way, and the cat slides oﬀ the table and strikes the ﬂoor 2.2 m from the edge of the table. The acceleration of gravity is 9.81m/s^2. What was the cat’s speed when it slid

52. ## Physics

A person consumes 2500 kcal/day while expanding 3500 kcal/day. In a months' time, about how much weight would this person lose if the loss were essentially all from body fat? (Body fat has an energy content of about 4100 kcal per pound).

53. ## CHM

How many milliliters of a 0.25 M sucrose solution contain 2.0 grams? The molar mass of sucrose (C12H22O11 ) is 342.3 g/mol. Need the formula to understand how to continue with more problems.

54. ## atmospheric pressure

How many moles of gas must be forced into a 3.9 ball to give it a gauge pressure of 9.8 at 25? The gauge pressure is relative to atmospheric pressure. Assume that atmospheric pressure is 14.5 so that the total pressure in the ball is 24.3 . Express your

55. ## chemistry

472 mL of H2 gas was collected over water when 1.256 g of Zn reacted with excess HCl. The atmospheric pressure during the experiment was 754 mm Hg and the temperature was 26 degrees C. A. Write the balanced chemical equation (I have this) Zn + HCl --->

56. ## Chemistry

In this lab experiment you will make 100.0 mL of a 0.100 M solution of Co(NO3)2. However you must calculate the number of moles of compound that will be needed (moles= Molarity x Liters).Then calculate the mass of Co(NO3)2 that will need to be weighed out

57. ## physics 209

A mass m = 0.5 kg is hung from a pulley with moment of inertia I = 0.20kg⋅m2 and radius R = 10cm. There is friction in the pulley. The mass is dropped from rest, and after 2s it traveled 0.4m. What is the torque due to friction?

58. ## Chemistry

Balance the following equations for a half reaction that occurs in a acidic solution A) ClO3- --> Cl2 B)H2BO3- -->BH4- C) MnO4- + HNO2 -->NO3- +Mn2+

59. ## Chem

When 25.0g of Zn reacts with Hcl, how many L of H2 gas are formed at STP?

60. ## Intermediate Algebra

A model rocket is launched from a height of 50 feet. the formula: h=-16t^2+70t+50 describes the rocket's height,h,in feet t seconds after it was launched. how long will it take the rocket to reach the ground.

61. ## Physics

During a neighborhood baseball game in a vacant lot, a particularly wild hit sends a 148-g baseball crashing through the pane of a second-floor window in a nearby building. The ball strikes the glass at 10.1 m/s, shatters the glass as it passes through,

62. ## science

Broad areas of folded rock layers that resemble a bowl turned right-side up are called _____. domes basins horsts monoclines

63. ## trigonometry

Been trying this forever so it says: Simplify 1+sin2x+cos2x/1+sin2x-cos2x ive tried this problem so many times I need help with it...

64. ## Physics

An open train car, with a mass of 2150 kg, coasts along a horizontal track at the speed 2.29 m/s. The car passes under a loading chute and, as it does so, gravel falls vertically into it for 2.67 s at the rate of 441 kg/s. What is the car's speed after the

168. ## Chemistry

How much heat, in Kj, is required to melt 11.0g of ice, at -13.0 degrees C, and vaporize the H20, and rise the temperature of the steam to 114 degrees C. Need help. Anyone, please!

169. ## Math

decide on a topic which is adding more clubs for which they would like to collect data and design a survey for school which could really be used to convince the principal to do. Create 5-7 questions for the survey.

170. ## Cell Biology

How many molecules of ATP will be synthesized by the complete oxidation of one molecule of fructose 1, 6-bisphosphate to carbon dioxide and water by a liver cell? Show your work.

171. ## History

When the Arabs conquered much of the Middle East and north Africa, how did they treat non-Muslims? To what extent was there hostility between the different faiths, and when was the Islamic expansion welcome?

172. ## physics

what is the frequency of wavelength 5.5cm travelling at 2 a speed of 1.6 m\s?

173. ## chemistry

Actinides and Lanthanides are elements in group 3A. true or false I say false

174. ## Grammar

Choose the correct sentence. A) The fee for various classes are different. B) The fee for various classes is different. Answered A

175. ## Math

Jennifer plans to fence a rectangular area around her rectangular swimming pool. The total area enclosed by the fence, including the pool, should be 5 times the area of the pool alone. The pool is 20 feet by 17 feet. What is the total area enclosed by the

176. ## Chemistry

Select all suitable dopant atoms from the following list: P B Mg Ga As In Sb Al Tl H

177. ## Physics

For which of the following situations can the equation F = mg not be used to calculate the force due to gravity? a) The pull of gravity on an apple on the surface of the Earth. b) The pull of gravity on an airplane flying at an altitude of 8 km above the

178. ## english

I'm writing an essay and we have to write chose between two topics. Courtship and crossing the color line? Courtship means to marry right? But I'm having confusion understanding what crossing the color line means.. Does it mean a black passing off as a

179. ## Grammar

Which sentence is correctly punctuated? A) Tom, !@#$%^&, and Harry each inherited one third of the estate. B) Tom, !@#$%^& and Harry each inherited one third of the estate. I answered A

Dear all, If you do not understand a science, math, writing, grammar, history, etc. problem, you can easily find the explanation of the concept you are struggling in on the internet or Google.

181. ## Physics

A man jumps straight up at 5m/s. a. Determine the time the man is in the air. b. Determine the maximum height the man would reach. c. As he jumps, a jerk pushes him in the back, giving him a velocity of 12m/s. determine the range of the man. d. Solve for

182. ## maths

a cube of edge 10cm is completly inversed in a rectangular trough truck with height 40cm breadth 25cm containing water to a height of 30cm . what will be the height after the immersion of the cube ????

183. ## social studies

Do blue whales have long white hair or black hair on their face?

184. ## math

find the equation, in function form, of athe line that passes through the points(1/2,-3) and (7/6,5/9)

185. ## math

Giita walks 2 1/2 miles in one hour. How much time does it take her to walk 7miles. Round the answer to the nearest second.

186. ## physics

A ball is thrown horizontally from the top of a building 17.6 m high. The ball strikes the ground at a point 67.7 m from the base of the building. The acceleration of gravity is 9.8 m/s^2 Find the time the ball is in motion. Answer in units of s

187. ## MATH

3 DIFFERENT IMPROPER FRACTIONS THAT ARE EQUAL TO 3

188. ## english

how do I create parallel construction for this sentence? To succeed in the new economy, workers will have to learn throughout their careers, adapt to changing circumstances, and self-motivation will be needed.

189. ## Physics

A plane drops a hamper of medical supplies from a height of 2960m during a practice run over the ocean. The planes horizontal velocity was 108m/s at the instant the hamper was dropped. What is the magnitude of the overall velocity at the hamper at the

190. ## Math

A plane will normally cover 52 km in 12 min in still air. On one trip she flew with the wind for 2.5 hr. returning, she still had 100 km to go after 3.5 hr. what was the wind speed?

191. ## English

Has anyone have to write a paper on greek mythology and dreams?

1.21 Three professors at Northern Kentucky University compared two different approaches to teaching courses in the school of business (M. W. Ford, D. W. Kent, and S. Devoto, “Learning from the Pros: Influence of Web-Based Expert Commentary on Vicarious

193. ## psychological statistics

I was talking with someone about setting up an account and getting help with an assignment

194. ## calculus

For y(x)=ln(3+x2), find y(6)

195. ## math

pretty stuck on this one, any help apreciated: the angular displacement (feta) of a shaft is given by feta= 1/2 (cos-5t. Find the velcoity of the shaft w at t= 2s my apologies for the improper layout.

196. ## Art

4. What artist from the Harlem Renaissance used geometric shapes and areas of flat color in his work.

197. ## Math

578 of 850 employees work directly with guests what percentage of employees work directly with guests

198. ## chemistry

which of the following are paramagnetic: O2, O2(-), O2(2-) and why?

199. ## English 8R - help!!!!!

what's the definition for connotation is there a website that have a list of all 8th grade english vocab.

200. ## arithmetic

Write 8tenth with common fraction and decimal fraction

201. ## algebra

a model rocket is 2in tall. if it was built with a scale of 1in :10ft, then how tall is the real rocket?

202. ## Physics

What is the max speed a car can go on a race track with a radius of 80 meters, the coefficient of friction between the tires and the road is .30

203. ## math

rewrite the equation so that y is a function of x.then use the result to find y when x= -2,-1,0,1 6x-2y=10

204. ## math

rewrite the equation so that y is a function of x.then use the result to find y when x= -2,-1,0,1 -6x-1=-4y+2

205. ## math

rewrite the equation so that y is a function of x.then use the result to find y when x= -2,-1,0,1 -2y-3x-16=0

206. ## chemistry

a 12.0g of sample A (70.2g/mol)was burned in a bomb calorimeter in an excess of O2(g). A+2 O2(g)---> 2 CO2(g) +2 H2O(l) The temperature of the calorimeter rose from 25.00 degrees celisus to 29.82 degree celisus. ifthe heat capacity of the calorimeter and

207. ## Physics

A plane is capable of flying 200 km/h. There is a wind of 90 km/h from the east. The pilot flies in a northwest direction relative to the ground for three hours from city A to city B. Find the speed of the plane relative to the ground, the heading of the

208. ## Punctuation

Which sentence is correctly punctuated? A) Upon hearing her children were hungry; she cooked a lovely homemade dinner. B) Upon hearing her children were hungry she cooked a lovely homemade dinner. C) Upon hearing her children were hungry, she cooked a

209. ## Physics

A 4.29 kg block starts from rest at the top of a 31.8 degrees incline and slides 2.22 m down the incline in 1.22 s. The acceleration of gravity is 9.8 m/s^2. What is the acceleration of the block? Answer in units of m/s^2 What is the coeﬃcient of kinetic

210. ## chemistry

the average mass of a kernel of popcorn is 0.15g? what would be the mass of one mole of kernels ?

211. ## Physics

A certain spring has a spring constant of 165 N/m. A 20kg mass is attached to the end of the spring. While the mass is at the equilibrium position, it is given a velocity of 8m/s downward. What is the total energy of the system, and aacceleration of the

212. ## Physics

A roller coaster is initially at a height of 40 m above the ground and has an initial velocity of 15 m/s. Using conservation of energy, find the velocity of the roller coaster at a height of 5 m above the ground.

213. ## science

how much of naoh is required to neutralize 1500 ml of 0.1 N hcl

214. ## Grammar

Which type of sentence is the following? Risk factors that are involved. A) correct sentence B) run-on sentence C) sentence fragment I answered C, because what risk factors?

215. ## How do I calculate the number of atoms in a compou

I have the mass of the amount of substance, and the molar masses. How do I do this? Is this the same as calculating the number of molecules/ formula units? Also, I know the number of atoms for each element in the compound (It made me calculate that before)

What effects does climate have on Mexican daily life and its economy? I have no idea?!

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217. ## physics

A 19 kg child is riding a 6.9 kg bike with a velocity of 5.2 m/s to the northwest. a)What is the total momentum of the child and the bike together?

218. ## chemistry

Lithium-6 has an atomic number of 3. how many neutrons are in this isotope? A. 0 neutrons, B. 3 neutrons, C. 6 neutrons, D. 9 neutrons I say B

219. ## calculus

how would i go about finding the tangent line to the curve of sqrt(1+4x^2y^2)-3xy=-18 with the points (3,6)?

220. ## Chemistry

What is the Oxidation number of O8O4?

221. ## algebra

Do the equations x = 4y + 1 and x = 4y – 1 have the same solution? Justify your answer with an explanation or a graph. How might you explain your answer to someone who has not learned algebra?

222. ## Social studies

In the old days, people had to make the ropes tight before they went to bed. Do you know the reason why they had to make the ropes tight? Is that because of the shape of the bed in the old days?

223. ## Grammar

Which sentence is correctly punctuated? A) Jane Doe, the teacher, is dead. B) Jane Doe the teacher is dead. I answered A

247. ## Real Estate Finance

The formula for calculating the down payment on an FHA loan for a property sold for $265,000 would have a down payment of$______.

248. ## Math-II

Rectangle A and B are similar. The ratio of rectangle B's width to rectangle A's width is 3:2. Rectangle A has a length of 24 inches and a width of 16 inches. What is the perimeter of rectangle B?

249. ## Math

What are 3/8, 5/6, and 1/2 in order from least to greatest.

250. ## ssc maths

2 xsquare y -3 xsquare+ 4 y=2010

251. ## Srinivas

the number of triangles having a fixe4d base of "a"units and area 2009square units is

252. ## Physics

A helicopter drops a box from 120m in the air. a. Determine the time the box is in the air. b. Determine the velocity the box would have right before it hits the ground. c. Before the box falls the helicopter had a horizontal velocity of 55/s. Determine

253. ## Physics

A plane drops a bomb from an altitude of 10,000m. a. Determine the time the bomb is in the air. b. Determine the velocity the bomb would have right before it hits the ground. c. Before the bomb is launched the plane has a horizontal velocity of 92m/s.

254. ## Physical Chemistry

"Liquids A and B, which have identical molar volumes, are mixed together in equal volumes to form a 75 mL mixture. The liquids are partially miscible and the mixture phase separates into an upper phase with a composition xA=0.45 and a lower phase with a

255. ## Algebra 1

Solve 7x/3 < 2

256. ## chemistry

the idea of the atom was first proposed by john dalton. true or false false

257. ## physics

A catapult gives a rock a vertical velocity of 122m/s. a. Determine the time the rock is in the air. b. Determine the maximum height the rock would reach. c. As the rock leaves the catapult the rock also has a horizontal velocity of 34m/s. solve for the

258. ## srinvas

solve ;2 xsquare y-3 xsquare+4 y=2010

259. ## Psychology

What country has the best system for dealing with mental health issues?

260. ## chemistry

Spectrophotometric analysis of commercial aspririn. If the number of moles of sodium salicylate are 8.675x10^-6 what would be the number of moles of Iron (III) Salicylate complex and what would be its concentration. The volume of sodium salicylate used is

261. ## Physics (Please, it's a minor error)

A rectangular block has dimensions 1.5cm x 3.2cm x 3.9cm and a mass of 61g. Determine the density in SI units My taking on the question, Mass= 0.061kg Volume= 0.1872m Density=0.061kg/0.1872m=0.3258547kgm^-3 Can someone please tell me where I'm going wrong?

262. ## Physics

In a very busy off-campus eatery one chef sends a 241-g broccoli-tomato-pickle-onion-mushroom pizza sliding down the counter from left to right at 1.53 m/s. Almost simultaneously, the other chef launches a 321-g veggieburger-on-a-bun (with everything, but

269. ## math

how do you find ratios? and then how do you explain how you got it

270. ## social studys

1. What enabled people of northern Italy to sponsor learning? (1 point)Martin Luther's ideas a mild climate wealth from trade help from the Germany government 2. What did German leaders want during the Reformation? (1 point)to increase the pope's power to

271. ## health

provide a detailed description of mechanism involved in the formation and maintenance of the resting potential

272. ## Math

What is the slope of the line that passes through (5,8)(17,2)? I think the answer is: -1/2 (1 over 2)

273. ## Math

What is the slope of the line that passes through (-12.5,3.2)(-15.5,-7.2)? I think the answer is: -10.4/-3.5. Not sure on this one.

274. ## trouble

Unlike elementary school, Elvis wasn't popular in high school. He didn't fit in well with the other kids, half due to his weird fashion style, and partly because of his shyness. In his senior year, his high school held a talent show which he entered not

275. ## Math

What is the slope of the line that passes through (3/5,-2)(-6,2/9)? I don't even have a good guess at this one. Thanks.

276. ## Math

The length of the hypotenuse of a right triangle is 15 cm. The length of one leg is 9 cm. Find the length of the other leg. 6 cm 12 cm 17 cm 144 cm

277. ## Chemistry

How much heat is given off when 12g of Al at 75 degrees Celsius is colled to 25 degrees Celsius?

278. ## calculus

A 100 inch piece of string is cut into 3 pieces. One piece forms a circle, one forms a square and 1 forms an equilateral triangle. If the perimeter of the triangle is equal in length to the perimeter of the square how long should each piece of string be to

279. ## math

y=3.0,2.2,1.9,1.6,1.4,1.2,1.1,1.0,0.88,0.83 x= 2,3,4,5,6,7,8,9,10,11 how do you find the equation curve of best fit with these numbers

280. ## algebra

What is (-2)^2 (-3)^2

281. ## Math

Create 4 proportions that will work for the following scenario: If the scale is 3.5 in = 8 ft and the drawing measures 6 in, what is the actual distance?

282. ## chem

What is the final temperature (degrees celcius) of 1.36g of water with an initial temperature of 23.0degrees celcius after 6.420J of heat is added to it?

283. ## Physics HARD

If an objects vbr is 6.32N/sc what is its mass? I'm so stuck...:((((

284. ## college algebra

use the remainder theorem to find the remainder when f(x) is divided by x+2. then use the factor theorem to determine whether x+2 is a factor of f(x). f(x)=4x^6+36x^3+32 please show work

285. ## chemistry

boron-10 has an atomic number of 5. how many neutrons are in this isotope? 0 neutrons, 2 neutrons, 5 neutrons, 10 neutrons. I say 5

286. ## math

(-3/5, 2) is a point on the terminal side of theta, find the value of the six trig functions

287. ## Algebra

length of a rectangle is 5y more than twice its width and area of the rectangle is 42 yards ^2, find the dimensions

288. ## Math

(0,0) (20,7.2) (40,12.8) (60,16.8) (80,19.2) (100,20.0) (120,19.2) (140,16.8) (160,12.8) how do you find the equation curve of best fit with these numbers

289. ## chemistry

boron-10 has an atomic number of 5. how many electrons are in this isotope? 0 electrons, 2 electrons, 5 electrons, 10 electrons. I think 10

290. ## Can someone help with this?

A psychologist is performing an experiment involving a controlled group and an experimental group. With the experimental group, the psychologist is giving a placebo and labeling it as caffeine pill. The control group receives a caffeine pill, which is

what does Descartes rule of signs tell you about the possible number of positive real number zeros and the possible number of negative real zeros of the function? 1. f(x)=2x^5-5x^2+x-1 2. f(x)=5x^6+7x^4-x-6 please show work

292. ## calculus

Find the derivative of g(x)=cos(107x)

293. ## algebra 1

how do you add equivalent fractions such as 7/20+3/9

294. ## chemistry

A puncture in the tubing of a refrigerator can cause severe frosbite as chloroethane C2H5Cl, vaporizes. Use this thermochemical equation to calculate the heat absprbed when 23.6g of chloroethane vaporizes at its boiling point (9.66kj) C2H5Cl(liquid) +

295. ## Earth-Space Science

what factors might affect the length of the rays after an impact?

296. ## chemistry

A compound of Fe and Cl is soluble in water. An excess of AgNO3 was added tp precipitate the Cl- as AgCl. if a 1.540g sample of the compund gave 4.082g AgCl, What is the formula of the compound?

297. ## math

it is less the 64 it has 5 ones. what is the secret number not sure but is it 50?

298. ## Math Ms. Sue

What is the slope of the line that passes through (3/5,-2)(-6,2/9)? I don't even have a good guess at this one. Thanks.

299. ## math

For y(x)=ln(3+x2), find y(6) I keep getting 12 but it says that its the wrong answer, really stuck here

300. ## Math Ms. Sue

What is the slope of the line that passes through (-12.5,3.2)(-15.5,-7.2)? I think the answer is: -10.4/-3.5. Not sure on this one

301. ## Math

Ella walked 4.5 km/h to her friends house. She walked back home from her friends house at 3.5 km/h. She walked a total of 40 minutes. How many minutes was her walk on her way to her friends house?

302. ## History

What are five kinds of cases heard by the Federal Courts?

303. ## calculus

Use the tangent line approximation to approximate the value of ln(1008)

304. ## Physics

An 80 kg man climbs a 50 m-high hill in 20 minutes. What is the average power in watts he expends climbing the hill?

305. ## Math Ms. Sue

What is the slope of the line that passes through (3/5,-2)(-6,2/9)? I don't even have a good guess at this one. Thanks.

306. ## Math prep

1). Using the function: y=y0,(.90)^t-1. In this equation y0 is the amount of initial dose and y is the amount of medication still available t hours after drug is administered. Suppose 20mg of the drug is administered. How long will it take for this initial

307. ## math

Suppose e^y=sin(x+cosy) Find dy/dx using implicit differentiation

308. ## chemistry

Lithium-6 has an atomic number of 3. How many protons are in this isotope? A. 0 protons B. 3 protons C. 6 protons D. 9 protons I think 3

309. ## math

xy=-2 and dy/dt=4. Find dx/dt when x=1.

310. ## precalccc

find all the real zeros and multiplicity of f(x)=x^4-68x^2+256

311. ## Math -Calculus

A cylinder with radius of 20 ft is being filled with water at a rate of 2000 ft^3/hour. Find the rate at which the height of the water is increasing.

How can you use the multiplication facts for 3 to help fond the multiplication facts for 9?

3yd= in

314. ## physics, university

A length of wire has a radius of 3.00 x 10-3 m and a resistance of 0.200 ohms. When the potential difference across the wire is 10.0 volts, the electron drift speed is found to be 2.98 x10-4 m/s. On the basis of these data, calculate the density of free