# Questions Asked onNovember 29, 2011

1. ## Math/ Number sense

Use the numbers shown. Make the sum of the numbers across equal the sum of the number down. 7 5 1 9 3

2. ## Cal

If the equation of motion of a particle is given by s = A cos(ωt + δ), the particle is said to undergo simple harmonic motion. s'(t) = -Aω sin(ωt + δ) When is the velocity 0? (Use n as the arbitrary integer.) t= _____________ I thought it was 0, but

3. ## Chemistry

Kc for the reaction of hydrogen and iodine to produce hydrogen iodide, H2(g)+I2(g)f 2HI(g) is 54.3 at 430C. What will the concentrations be at equilibrium if we start with 0.240M concentrations of both H2 and I2?

4. ## Economics

Harold owns a cranberry bog in which he grows cranberries. Haroldâ€™s farm is a competitive, profit-maximizing firm. As such, Harold much decide (i): how many cranberries to sell. (ii): what price to charge for his cranberries. (iii): what wages to

5. ## V/CV OR VC/V PATTERN

SORT EACH SPELLING WORD BY V/VC OR VC/V PATTERN: TYRANT,EQUAL,HUMOR,RECENT,PROFILE,LINEN,CLOSET,STUDENT

6. ## calculus

A box of volume 72m^3 with square bottom and no top constructed out of two different materials. The cost of the bottom is $40/m^2 and the cost of the sides is$30/m^2. Find the dimensions of the box that minimize the total cost. How do I set up the

7. ## calculus

If a snowball melts so that its surface area decreases at a rate of 3 cm2/min, find the rate at which the diameter decreases when the diameter is 9 cm. (Give your answer correct to 4 decimal places.)

8. ## Organic Chemistry

Some 2-methyl-2-butene may be produced in the reaction as a by-product. Give a mechanism for its production.

9. ## Cedar High school

A compound is found to have 56.4% potassium, 8.7% carbon, and 34.9% oxygen. What is the empirical formula?

10. ## Economics

Sandra purchases 5 pounds of coffee and 10 gallons of milk per month when the price of coffee is $10 per pound. She purchases 6 pounds of coffee and 12 gallons of milk per month when the price of coffee is$8 per pound. Sandraâ€™s cross-price

11. ## physics

A 2.0 g bullet leaves the barrel of a gun at a speed of 260 m/s. (a) Find its kinetic energy. J (b) Find the average force exerted by the expanding gases on the bullet as the bullet moves the length of the 43 cm long barrel. N

12. ## chemistry

In a hydrocarbon-based combustion reaction, what two molecules are most likely to be products? A. carbon dioxide and water B. sulfur dioxide and zinc oxide C. sulfur dioxide and cyclopentane D. carbon monoxide and hydroxide

pls. help: prove the identity sin2x+sin2y=2sin(x+y)cos(x-y)

14. ## math

suppose a population has a doubling time of 15 years. By what factor will it grow in 30 years?

15. ## apush

how did each of the following encourage social reform: second great awakening, industrialization, nostalgia for the past?

16. ## physics

In a European country a bathroom scale displays its reading in kilograms. When a man stands on this scale, it reads 90.4 kg. When he pulls down on a chin-up bar installed over the scale, the reading decreases to 79.5 kg. What is the magnitude of the force

17. ## Chemistry help!!

Consider the titration of the weak acid HA with NaOH. At what fraction of Ve does pH = pKa - 1? At what fraction of Ve does pH = pKa + 1? Calculate the pH at these two points plus Vb = 0, 1/2Ve, Ve and 1.2Ve, if 100 mL of 0.100 M anilinium bromide (pKa =

18. ## Chemistry

Suppose you are given the following experimentally observed facts regarding the reactions of silver ion. (a) Ag^+ reacts with Cl^- to give white AgCl (s) (b) Ag^+ reacts with ammonia to give a quite stable complex ion, Ag(NH3)2^+ (c) a black suspension of

19. ## Calculus

Find the area under the curve y=5(cosx) and above y=5(sinx) for 0

write each rate as a unit rate. Q: 6 eggs for 3 people

21. ## english

1. What is Lynne Cox's perspective in this passage from Swimming to Antarctica? If you continue swimming, you're going to cool down even more. Remember how hard you shivered last time? Remember how much work it was? Remember how uncomfortable you were?

22. ## lititure

what are the cause and effect of these things in brave new world? In fiction, as in life, events have causes and, in turn, become causes of subsequent events. Here are some events from Brave New World. Write a sentence that describes a major cause of each

23. ## Physics

In a fireworks display a 3 kg body moving at 4 km/h due north explodes into three equal pieces: A, at 4 km/h east; B, at 5 km/h 37 degrees south of west; and C, at 15 km/h due north. After the explosion, what is the total momentum of all the pieces?

24. ## thermodynamics

A scuba tank contains 1.5 kg. of air. The air in the tank is initially at 15 degree celcius. The tank is left near an engine exhaust line, and the tank's pressure doubles. Determine the final temperature, change of internal energy, change of enthalpy, and

25. ## algebra

The distance the bicycle travels and the time taken are expressed by the formula d(t)=t^2-2t, there d(t) is in miles and t in hours. Find the time taken by the bicycle to cover a distance of 63 miles.

26. ## chemistry

What is the molecular geometry for SH2? 1. Bent 2. Trigonal planar 3. Tetrahedral 4. Liner

27. ## Math(module 4 Calculus)

(minimum commuting time) A lighthouse lies 2 miles offshore directly across from point A of a straight coastline. The lighthouse keeper lives 5 miles down the coast from point A.What is the minimum time it will take the lighthouse keeper to commute to

28. ## physics

A water balloon was dropped from a high window and struck its target 1.1 seconds later. If the balloon left the person’s hand at –5 meters/sec, what was its velocity on impact?

29. ## history

what is the effects of the seven years war

30. ## world history

Need Thesis help for essay on....this is the question being answered: Prompt: Hinduism, Confucianism and Buddhism are three of the world’s great belief systems. Compare and contrast their impact on the societies that embraced them. I started this thesis,

31. ## Math

Ragu ran the first 3 miles of a 5 mile race in 24 minutes. What percent of the race has he run? Please help me

While visiting Planet Physics, you toss a rock straight up at 13.6 m/s and catch it 3.50 s later. While you visit the surface, your cruise ship orbits at an altitude equal to the planet's radius every 340.0 minutes. What is the mass (in kg) of the planet?

33. ## physics

A merry-go-round accelerating uniformly from rest achieves its operating speed of 3.4 rpm in 2 revolutions. What is the magnitude of the angular acceleration?

34. ## Calc

Find the value of (f o g)' at the given value of x. f(u)= u/u^2-1 u=g(x)=3x^2+x+3 x=0 is it a. 5/32 b. 13/32 c. 1/8 d. 5/32

35. ## chemistry

Choose the term that best describes the following chemical reaction: C10H8 + 12 O2 10 CO2 + 4 H2O A. synthesis B. combustion C. electrolytic D. decomposition

36. ## Chemistry

Ethylene glycol has a specific heat of 0.578 cal/(g×°C). If 23.2 g of ethylene glycol absorbs 75.6 cal of heat energy, what will the temperature increase be?

A total of 23 High School students were admitted to State University. Of those students, 7 were offered athletic scholarships. The school’s guidance counselor looked at their composite ACT scores (given in the table below), wondering if State U might

38. ## physics

A piano string having a mass per unit length equal to 5.10 10-3 kg/m is under a tension of 1,500 N. Find the speed with which a wave travels on this string.

39. ## physics

Before beginning a long trip on a hot day, a driver inflates an automobile tire to a gauge pressure of 2.20 atm at 300 K. At the end of the trip, the gauge pressure has increased to 2.70 atm.

40. ## Calc 3

Find the volume of the wedge-shaped region contained in the cylinder x^2 + y^2 = 1 and bounded above by the plane z = x and below by the xy-plane. The picture is a cylinder with a diagonal plane through it creating a wedge. Thanks! ;)

How can you use mental math to multiply 800 x 5?

42. ## calculus

Annual sales of bottled water in the country in the period 1993-2003 could be approximated by the function below, where t is time in years since 1990. Were sales of bottled water accelerating or decelerating in 2000? How fast? R(t) = 10 t**2 + 100 t + 2400

43. ## Chemistry

a solution is made by combining 10.0 ml of 17.5 M acetic acid with 5.54 g of sodium acetate and diluting to a total volume of 1.50 L. a)calculate the pH of the solution. b) how many grams and milliliters of 14.6 M potassium hydroxide needs to be added so

44. ## algebra

slope=2/5,{10, 3} is on the line find the y-intercept: y= mx + b ___ = {---} ____ +b

45. ## university of phoenix

4.Suppose you administered an anxiety test to a large sample of people and obtained normally distributed scores with a mean of 45 and standard deviation of 4. Do not use web-calculator to answer the following questions. Instead, you need to use the Z

46. ## Physics

An early method of measuring the speed of light makes use of a rotating slotted wheel. A beam of light passes through one of the slots at the outside edge of the wheel, travels to a distant mirror, and returns to the wheel just in time to pass through the

47. ## statistics

5. The table below shows Psychology exam scores, Statistics Exam scores, and IQ scores for a random sample of students. What can you observe in the relationship between IQ and psychology, psychology and statistics, and IQ and statistics? Using a

48. ## chemistry

What mass of KNO3 in grams would be required to prepare 0.6 liters of a 1.8 M KNO3 solution?

49. ## chemistry

ZnCl2(aq)+Na2CO3(s)--> ZnCO3(s)+NaCl (aq) Balance the chemical equation and state solid, liq, gas, aq properly to each compound Ok I have it balanced by 2 NaCl in the second part of the equation But now what is the total ionic and net ionic equations. I

Marcia said that if she estimates 73 x7, the product will be less than the exact answer. Is she correct? Explain.

51. ## Geometry

A hexagon has exterior angle measures of 59, 70, 68, 58, and 53. What is the measure of the sixth interior angle?

52. ## Economics

Suppose the government has imposed a price floor on the market for soybeans. Which of the following events could transform the price floor from one that is not binding into one that is binding? A. Farmers use improved, draught-resistant seeds, which lowers

53. ## physics

A raft is 4.5 wide and 6.3 long. When a horse is loaded onto the raft, it sinks 2.7 deeper into the water. What is the weight of the horse?

54. ## trig

For the following expression, find the value of y that corresponds to each value of x, then write your results as ordered pairs (x,y). y=7cos(x-pi/6) for x=pi/6, pi/3, 2pi/3, pi, 7pi/6

55. ## physics

Suppose a rocket launches with an acceleration of 39 m/s2. What is the apparent weight of an 90 kg astronaut aboard this rocket?

56. ## Economics

The price received by sellers in a market will decrease if the government Answer A. imposes a binding price floor in that market. B. decreases a binding price ceiling in that market. C. decreases a tax on the good sold in that market. D. increases a

57. ## Physics

A 340 g bird flying along at 6.0 m/s sees a 14 g insect heading straight toward it with a speed of 30 m/s. The bird opens its mouth wide and enjoys a nice lunch. What is the bird's speed immediately after swallowing?

58. ## Science-chemistry

A compound is found to have 56.4% potassium, 8.7% carbon, and 34.9% oxygen. What is the empirical formula?

59. ## USI

Write limits of integration for the integral \int_W f(x,y,z)\,dV, where W is the quarter cylinder shown, if the length of the cylinder is 1 and its radius is 1.

60. ## Chemistry

Consider the reversible reaction: A(g)-2B(g)At equilibrium, the concentration of A is 0.381 M and that of B is 0.154 M. What is the value of the equilibrium constant, Keq?

61. ## physics

Estimate the pressure exerted on the floor by a 75 kg store clerk standing momentarily on a single heel of their shoe, where the heel area = 6 cm square?

62. ## Maths

A particle is moving along the curve y=4sqrt(4x+1) . As the particle passes through the point (2,12), its x-coordinate increases at a rate of 2 units per second. Find the rate of change of the distance from the particle to the origin at this instant.

63. ## math

Suppose that fifteen observations are chosen at random from the pdf f_Y(y) = 3y^2, 0

64. ## chemistry

What volume of H2 (g) (at 750. mm Hg and 25 C) is produced from 50.0 mL of 0.214 M H2SO4 and 0.300 g of Al?

65. ## Economics

A long-run supply curve is flatter than a short-run supply curve because A. firms can enter and exit a market more easily in the long run than in the short run. B. long-run supply curves are sometimes downward sloping. C. competitive firms have more

66. ## Calculus

FInd the area of the region between y=x^(1/2) and y=x^(1/5) for 0

A 40.6-kg crate rests on a horizontal floor, and a 69.1-kg person is standing on the crate. Determine the magnitude of the normal force that (a) the floor exerts on the crate and (b) the crate exerts on the person.

A tire with a diameter of 100 cm rotates 20 times in 3 seconds. a) determine the angular velocity b) how far the tire has travelled? c) what is the speed in km/h?

69. ## trig

Solve the equation for exact solutions over the interval [0, 2pi]. 4 cotx+2=-2

123. ## English

Okay so I have decided to write about "Banning the use of telephones while driving(including calls/texts)" This is my last shot at the final to earn a B in this class and possibly an A. My opinion on this subject is that I believe that there should be a

124. ## Trigonometry

Use the properties of logarithms and trigonometric identities to verify the identity. ln|cot x| = ln|cos x| - ln|sin x| I have no idea where to begin with this one... your help is appreciated!

125. ## chemistry hw help please ASAP

if 25.2 g of aluminum (AW=27.0) are mixed with 125 g of sulfuric acid(MM=98.1)then how many grams of aluminum sulfate will be produced? 2Al+ 3 H2SO4 --> 3H2 + Al2(SO4)3

126. ## math

show that the sum of four consecutive whole numbers is divisible by 2

127. ## math

a rectangular board measures 2ft 2in by 7in 3ft what is the perimeter around the board?

128. ## English

Thank you very much for your suggestion. What do you think of the book "Marine Biology: Function, Biodiversity, Ecology, by J.S. Levinton? Could you also suggest a book which could help us get to know the relevant English terminology?

129. ## statistics

Suppose that people's heights (in centimeters) are normally distributed, with a mean of 165 and a standard deviation of 6. We find the heights of 80 people. (a) How many would you expect to be between 159 and 171 cm tall (b) How many would you expect to be

130. ## social studies, Anthro psych , and soc

In the movie Shawshank redemption, how did the prison in the film try to rehabilitate its inmates, was it successful? Provide 3 examples of ways in which the prison guards enforced compliance to prison rules, were the enforcements necessary or effective?

131. ## physical science

is it possible for people of different masses to have the same power output? Explain

132. ## physics

Approximately how far will the people have to travel to move the truck 1.5m if |Truck force is 4500N and people are 1200N?

133. ## Algebra

3y-24/14 divided by y-8/4y

Thank you for the answer K Can you please explain? Observe the pattern of letters ACCCEEEEEGGGGGGG. This pattern continues to repeat beginning with the letter A. What will be the 170th letter?

135. ## COMPUTER HARDWARE MANAGEMENT

The most common RAM package for today's PCs is the: A) SIP B) RDM C) DIMM D)SIMM IS C OR D ,I AM NOT SURE?THANK YOU:)

136. ## math

the longest side of a triangle measures 2 and the shortest side measures 1. what cannot be the measurement of the angle between them? a-30 degrees b-60degrees c-70 degrees d-90degrees

137. ## calculus

Find the derivative. f(x)=ln(8-e^-x) I got -e^-x/8-e^-x but it was wrong. WHAT DID I DOOOO?!

138. ## math

roger took off at 8am driving 45mph. bill went after him 2 hours later and caught up with him at 4pm. how fast did bill drive?

139. ## physics

What is the total force on the bottom of a swimming pool 20.5 m by 8.0 m whose uniform depth is 2.1 m?

140. ## Econ

If an oil pipeline shuts down in Alaska, how does that affect the market for gasoline? demand increase, decrease or supply increase, decrease

141. ## English

1)Which of the following sets of Dewey Decimal call numbers is in the correct order? A. 100.1 BLU, 010.1 ABR, 004.15 KWA, 100.01 PRO B. 004.15 KWA, 010.1 ABR, 100.01 PRO, 100.1 BLU C. 010.1 ABR, 004.15 KWA, 100.01 PRO, 100.1 BLU D. 100.01 PRO, 100.1 BLU,

142. ## chemistry

How many moles of NaOH are in 23.5 mL of a 1.50 M solution? 1. 0.0353 moles 2. 35.26 moles 3. 16.7 moles 4. 0.0235 moles

143. ## chemistry

What volume of a 7.00 M solution of Ca(OH)2 is needed to neutralize 37.2 mL of a 3 M solution of nitric acid? 1. 15.9 mL 2. 37.2 mL 3. 7.97 mL 4. 24.2 mL

144. ## chemistry

Which of the following sets of solute and solvents will make a homogeneous solution? (naphthalene is a non-polar organic molecule) 1. Water and benzene 2. Benzene and ammonium nitrate 3. Benzene and naphthalene 4. Water and naphthalene

145. ## English language

what could be an example of something that is urgent but is not important? and something that is important but not urgent? these questions refer to daily actions or well any actions, i have absolutely no idea how to answer that. Sure doesn't urgent and

146. ## university of phoenix

T test for independent groups and dependent groups (Two-group designs) 1. An LU professor is interested in whether there is a difference between undergraduate students and graduate students in the amount of time spent praying each day. The professor

147. ## Math(module 4 Calculus)

(Graphing Calculator)Sketch the graph of the function f(x)= 2x^3-7x^2-27x-18/x^2+5

148. ## Math

3^2*3^3=3^5 7*0.1=7/10 5^2*5^3=5^5 3*0.1=3/10 13^2*13^3=13^5 4*0.1=4/10 For each set of special cases, write a general pattern. HELP I DON'T GET THIS!!

149. ## spanish

what does, los estudiantes hablar mucho para la clase de ciancias naturales, mean?

150. ## medical billing and coding

What codes do i use for these? 1. Two-year-old patient ingested an unknown quantity of mother,s Envoid.

The number of immigrants living in a certan country with a large population makes up 20 percent of the population. in a random sample poll of 100 people what is the expected number of immigrants to be polled? (using bionomial distribution) thanks!

152. ## Physics

Write the Balmer formular and explain each tearm

153. ## Calculus

I will be using != for not equal The cancellation law for real numbers is quite obvious: if a,b, and c != 0 are real numbers for which ac = bc then a = b. It is natural to ask if the cancellation law holds for three dimensional vectors. If U x W = V x W, U

154. ## Math

A box contains 1 white bow, 2 yellow bows, 3 red bows, and 6 green bows. The bows are all the same size and shape. If Patricia reaches in the box and pulls out a bow without looking, what is the probability that it will be yellow? A.1/12 B.2/10 C.1/6 D.1/4

155. ## English

I urgently need you to check these sentences. Thank you very much. 1) Think about a TV programme among the ones analyzed in class. Briefly describe what it was about, what was happening in it and if you would recommend it. 2) Give a brief definition of the

156. ## math

Convert 3214 (5) to base 10

157. ## Physics

Note: One horsepower is equal to 746 watts. An automobile engine delivers 53.1 hp. How much time will it take for the engine to do 8.43 × 10 5J of work? Answer in units of s

158. ## COMPUTER HARDWARE MANAGEMENT

AMD is a: A)manufacturer of CPUs for PCs b)manufacturer of PC hard drive c)type of slot a PC motherboard d)type of memory IS A RIGHT ANSWER?THANK YOU:)

159. ## milford

Suppose that a man throws a ball from the front of a train that is moving at 100 km/hr. If he throws the ball forward at 10 km/hr, what is the speed apparent to the man?

160. ## precalc/trig

Find the trigonometric form of the number. (Round any angles to two decimal places.) −8 − i

161. ## Social Studies

In what city did Rosa Parks defy the rules of segregation?

162. ## chemistry

For the balanced reaction HCl(aq) + NaOH(aq) ? H2O(l) + NaCl(aq), how many moles of H2O could be produced from 25 g HCl? (You have already done this type of question!

163. ## math

Jim and Joe were running together. Jim's average speed was 400 meters per minute.Jim started running four minutes before Joe. ten minutes after Joe started, he caught up with Jim. What was Joe's average speed?

164. ## Algebra

Solve for x. 4x(x-1)-5x(x)=3

165. ## statistics

Suppose that people's heights (in centimeters) are normally distributed, with a mean of 165 and a standard deviation of 6. We find the heights of 80 people. (a) How many would you expect to be between 159 and 171 cm tall (b) How many would you expect to be

166. ## Math

solve for x 4x(x-8)-5x(x-7)=-4

167. ## Economics

Suppose planting flowering shrubs creates a positive externality equal to $7 per shrub. Further suppose that the local government offers a$7 per-shrub subsidy to planters. The number of shrubs that are planted is then A. less than the socially optimal

168. ## Math

Ms.Dixon sees more than 119 birds but fewer than 132 birds. How many birds might she have seen?

169. ## Math

I need help with a math question problem

170. ## math

Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: 75+85+90+X ----------- > or = to 85 4 x is her last

171. ## Math

What percent of 126 is 42

172. ## Calc

Find the equation of the normal line to the curve y=2x-3x^2 at the point (-3,-33) is it a. x-16y+339=0 b. x+20y+339=0 c. x+20y+663=0 d. x-16y+663=0

173. ## Math

Please help me. Is there a short cut way to arrive at this answer? Observe the pattern of letters ACCCEEEEEGGGGGGG... This pattern continues to repeat beginning with the letter A. What will be the 170th letter? Thank you

174. ## Social Studies

What are the three countries that have influenced Canadian culture and history?

175. ## English 7

I need your help you see like... ok here is my topiv sentence for my second paragraph: Rosa Parks wanted people (blacks) to be free and have a better education. and I wrote (for notes to put into sentences) - Blacks were slaves - Most blacks couldn't go

176. ## Journal

You see I have this notebook and like I want to use it for to write down journal entries about my middle school and high school life. But I'm writing this to god telling him about my day and list of things to prey to him. Like first I type it then print it

177. ## college alg

sqrt 18x to the 5th

178. ## chemistry

What is produced during all combustion reactions? A. ions B. solids C. energy D. nuclear material

179. ## physics

a hockey puck B resting on a smooth surface is struck by a second puck A which was orginally traveling at 50 m/s. After colliding, the speed of puck A us reduced to 35 m/s and is deflected through an angle a from its orginial velocity of A. Assume that the

180. ## chemistry

I wonder if your science experts can help me find material (general information, word lists, books) in English about biodiversity in water and waterways and microbiological analysis of water. This would be for Italian biologists who are familiar with the

181. ## Math

Use rational exponents to write x1/6*y1/5*z1/4 as a single radical expression

182. ## Math(module 4 Calculus)

(graphing calclator)give a four decimal approximation for the number 10^4C(25,5)/7!P(30,4)

183. ## chemistry

how many milliliters (ml) of H2 gas will be produced at 1.0 atm and 25 Celsius all the MG reacts?

184. ## Math

A farmer has 20 sheep and pigs. He has 6 fewer sheep than pigs. How many pigs does he have?

185. ## math

Simplify by taking roots of the numerator and the denominator assume that all expressions under radicals represent positive numbers 3square 27x^8/y^3

186. ## physics

it takes a maximum force of 460 N to move a 125 kg crate. What is the coefficient of the maximum static friction between the crate and the floor?

187. ## Physics

Charlie takes his 6000 kg avalanche truck and runs it into Jill's 2003 Chevy Trailblazer. If Jill's truck is red, how does the force acting on Charlie's truck compare to the force acting on Jill's truck?

188. ## SCIENCE

THE PIG HAS FOUR TOES ON EACH FOOT. TWO OF THE TOES ARE VERY SMALL AND DO NOT HAVE A MAJOR FUNCTION IN WALKING. HOW WOULD LAMARCK HAVE EXPLAINED THE REDUCED SIZE OF THE TWO SMALL TOES? WHICH PART OF HIS THEORY IS THAT AN EXAMPLE OF?

189. ## Physics

Charlie takes his 6000 kg avalanche truck and runs it into Jill's 2003 Chevy Trailblazer. If Jill's truck is red, how does the force acting on Charlie's truck compare to the force acting on Jill's truck?

190. ## Physics

Charlie takes his 6000 kg avalanche truck and runs it into Jill's 2003 Chevy Trailblazer. If Jill's truck is red, how does the force acting on Charlie's truck compare to the force acting on Jill's truck?

191. ## Physics

Charlie takes his 6000 kg avalanche truck and runs it into Jill's 2003 Chevy Trailblazer. If Jill's truck is red, how does the force acting on Charlie's truck compare to the force acting on Jill's truck?

192. ## calculus

Evaluate the integral: ç[(6x+7)/(x^(2)-8x+25),x]

193. ## calculus 1a

simplify the following expression tan(sin^-1(2x))

194. ## English

What are ten things harry potter would bring if he had to go on a trip and can only bring 10 items?

195. ## math

comparison of average in rainfall in august 0.19mm and december 0.89mm????

196. ## math

Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: w2d2 x is her last score which has not been taken.

197. ## Algebra

solve the amount of money (in cents) of x quarters and (x+6) dimes the value of a quarter is 25 cents and a value of a dime is 10 cents

198. ## algerbra 1

y=-2x+2 m=____ Find the slope

199. ## geometry

If AC is 50 feet, and AB is 40 feet, which is the length of BC?

200. ## math

what is the opposite of g is at least -5

201. ## bio lab

Why photosynthesis does not occur in calibration tube which has water and chloroplast? Why we used deveined spinach leaves in photosynthesis reaction

202. ## governemtn

Explain why the Baker v. Carr case and the Westbury v. Sanders cases had such a tremendous effect on the development of the concept of “one man, one vote.”

203. ## math

multiply and simplify 36b^2/5b^2-20b+20*5b-10/6b.

204. ## chemistry

What are the oxidizing agents for Formic acid and Ferrous ammonium sulphate?

205. ## french

I am trying to find the translation of this sentence but it is kinda funky. Au(x)quel(s) ne voulez-vous point ressembler? do you know what it means in english? thanks

You wish to have a plane pocket mirror that is as discreet as possible but with which you can see the whole width of your face. If your face is 22.0 cm wide, what is the minimum width, in cm, of the mirror for you to be able to see the whole width of your

207. ## Math

If a*b = a^2 – b^2, what is the value of: 1) 6*4 2) 8*4 3) 10*5 4) 9*3 5) 20*15

208. ## math

inflation 120 dollars now buys me 100 dollars worth of goods

Mr. Buss is a business executive. He has been dedicated to the company for ten years and worked his way up the corporate ladder to the position of third vice president. He is the first to arrive and the last to leave each day. He has no patience with those

210. ## physics

a force of 50 n to the left causes a 1.35 kg book to have a net acceleration of 0.76 m/s^2 to the left. what is the frictonal force on the book?

211. ## math

how to write the rate as a unit rate?

212. ## English

I just have a doubt on a few sentences. Thank you. 1) A pair of robins has (not have) been building a nest in the porch since last week. 2) If you want to visit the USA, you must (not have to) get a passport. 3) When Dorian sees the corrupted image on (in)

213. ## statistic

Could you show me how to find the five levels in a Hof o and reject the null problems?

214. ## Math Problem

You are planning to spend no less than $6,000 and no more than$10,000 on your landscaping project. Write an inequality that demonstrates how much money you will are willing to spend on the project.

215. ## Cert III lab skills

Explain how to calculate preparing 250.0ml of 1.25 mol/L solution of Na2CO3(aq)

216. ## Economics

Variable cost divided by the change in quantity produced is A. average variable cost. B. marginal cost. C. average total cost. D. None of the above is correct.

241. ## Living environment

An athelete explains that his muscles have become well-developed through daily activities of weightlifting. He believes that his offspring will inherit this trait of well developed muscles. Which theory of Lamarck's does this example best demonstrate?

242. ## math

divide (28b^3+13b^2+30b+35)/(4b+3)

243. ## Math

You own a small winery that produces two types of Chardonnay, an extra extra oaky one and an oaky one. The wines are produced from the same grapes. Furthermore, both wines are aged in oak barrels, and have additional oak chips added into the oak barrels.

244. ## algebra

Diameter of an electric cable is normally distributed with a mean f 0.8 with a standard deviation of 0.01. What is the probability that the diameter will exceed 0.83?

245. ## Econ

If the government subsidizes the construction of ethanol refineries, how does that affect the corn market? demand increse or decrease OR supply increase or decrease

246. ## government

I have to make a chart that shows five interests that are affected by public policy decisions. I am not 100% sure on this but could No Child Left Behind, and Environmental safety (like the oil spill that just happened in the gulf)?

273. ## Physics

Write a Balmer formula and explin each terms

274. ## chemistry

What mass of calcium carbonate is precipitated out when 2.20 g of ammonium carbonate is added to 25.7 mL of a 4.00 M solution of calcium nitrate?

275. ## government

_____ divides the government into three branches, each controlled by a different group of people

276. ## Physics

Write a Balmer formula and explin each terms

277. ## Government

2. Advocates of a parliamentary system argue that Congress is inefficient, moves slowly and develops policies filled with compromises. What evidence supports this negative evaluation? Your answer should discuss the intentions of the Founding Fathers, the

278. ## Math

To determine the question use Frogs F and G are 5cm to cube and 40cm to cube. a. Ratio What are ratio volumes and surface areas for a frog? (The formula for figuring out this data A correlation V square=2/3 Ratio Volumes: Surface areas: b. Toxin Let us say

279. ## geometry

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280. ## chemistry

Explain the difference between the enthalpies of formation of gaseous water and liquid water which are respectively, -242 and -286 kj/mol at 298 K.... Explain Please!