# Questions Asked onSeptember 19, 2010

1. ## statistics

An IRS auditor randomly selects 3 tax returns from 58 returns of which 8 contain errors. What is the probability that she selects none of those containing errors?

2. ## CSUEB

An electron is released from rest at a distance of 9 cm from a proton. How fast will the electron be moving when it is 3 cm from the proton?

3. ## math

i am a number in the fourth row on the hundred chart. my ones digit is twice my tens digit. what number am i;

4. ## Chem

f 147 grams of FeS2 is allowed to react with 88 grams of O2 according to the following unbalanced equation, how many grams of Fe2O3 are produced? FeS2 + O2 → Fe2O3 + SO2

5. ## physics

A child throws a ball with an initial speed of 8 m/s at an angle of 40 degrees above the horizontal. The ball leaves her hand 1 m above the ground. How long is the ball in flight before it hits the ground? What is the magnitude of the ball's velocity just

6. ## Statistics

In a department store there are 120 customers, 90 of whom will buy at least 1 item. If 5 customers are selected at random, one by one, find the probability that all will buy at least 1 item.

7. ## Statistics

Roll two standard dice and add the numbers. What is the probability of getting a number larger that 9 for the first time on the third time.

49. ## chemistry

What mass of carbon dioxide is produced from the complete combustion of 8.20×10−3 g of methane?

50. ## Algebra

If a computer costs an electronics dealer $300, and she sells them for$800, what is her rate of profit based on the selling price? I know the answer is 62.5% but could someone show me how to get this answer , thanks

51. ## English

I need help bad, what exactly am I suppose to write about with this question. I just need to know what this question is asking. Here is the question: “Locate two books or internet sources on the career of Edgar Allen Poe. On the basis of information you

52. ## statistics

c. Compare the two sets and describe what you discover. The following data sets shows the ages of the first seven presidents (President Washington through President Jackson) and the seven most recent presidents including President Obama. Age is given at

53. ## chemistry

What is the conjugate base of the following substances: a. (CH3)3NH /(CH3)3N b. H3N-CH2-COOH / H3N-CH2-COO c. H3N-CH2-COO / H2N-CH2-COO d. OOC-CH2-COOH / OOC-CH2-COO e. OOC-CH2-COOH / HOOC-CH2-COOH

54. ## physics

A 4kg object is subjected to two forces, F1=2Ni-3Nj, and F2=4Ni-11Nj. The object is at rest at the origin at t=0. What is the objects acceleration? I know you use F=m*a Do you add the two F vectors together & take the square root to find the sum of F? ex:

55. ## math help plz

You receive 80% on your first midterm while your friend receives 70%. Taking into consideration the fact that the first midterm is worth 14% of your overall mark, the difference (between receiving 70% and 80% on your midterm) this could make in your final

56. ## chemistry

What mass of copper(II) nitrate would be produced from the complete reaction of 25.1 g of copper, according to the chemical reaction shown below? Cu + 2 AgNO3 ----> Cu(NO3)2 + 2 Ag i got 74.08 is that correct?

57. ## physics

The engineer of a passenger train traveling at 25.0 m/s sights a freight train whose caboose is 200 m ahead on the same track. The freight train is traveling at 15.0 m/s in the same direction as the passenger train. The engineer of the passenger train

58. ## Chemistry

Calculate the mass of nitrogen dissolved at room temperature in an 80L home aquarium. Assume total pressure of 1 atm and mole fraction of .78 for nitrogen

59. ## music

Thailand and Vietnam are both part of Southeast Asia, but their music is very different. What historical and cultural factors led to these musical differences?

60. ## Biology

fatty acid is to fat as glucose is to starch glycogen cellulose all none..

61. ## physics

Two people pull as hard as they can on ropes attached to a 170 kg boat. If they pull in the same direction, the boat has an acceleration of 1.59 m/s2 to the right. If they pull in opposite directions, the boat has an acceleration of 0.518 m/s2 to the left.

62. ## physics

32 kg box sitting on a ramp has a coefficent of 0.21. If the ramp is raised, at what angle will the box begin slipping?

63. ## Economics

Suppose the total output curve increases at an increasing rate for workers 1 to 50, increases at a decreasing rate from workers 51 to 101, and decreases beyond 101 workers. You would know that Choose one answer. a. marginal product is increasing from

64. ## biology

are the antipodals hapliod or diploid?

65. ## Physics-Mechaincs

A rowboat crosses a river with a velocity of 1.01 m/s at an angle 30◦ North of West relative to the water. Water’s frame of reference: speed of boat: 1.01 m/s direction from current: 30◦ The river is 322mwide and carries a current of 1.63 m/s due

66. ## mrt

Predicting what types of bicycles different customers will want and deciding which of these customers the business will try to satisfy are activities a firm should do as part of

67. ## calculus

Fond the limit of lim x -> 3 [1/(x+4)] - (1/4) _________________ x

68. ## math

if doctor orders 2mg dilaudid and 2.5mg morphine is equal to 0.4mg dilaudid how many mg of morphine would you give?

69. ## physics

SOMEBODY ANSWER THIS PLEASE, Two people pull as hard as they can on ropes attached to a 170 kg boat. If they pull in the same direction, the boat has an acceleration of 1.59 m/s2 to the right. If they pull in opposite directions, the boat has an

70. ## English

It often seems that fictional characters are under stress and that they lead lives of great difficulty. To what degree do the difficulties that character experience bring out either good or bad qualities, or both? ( In Shirly Jacksons the Lottery, or Young

71. ## physics

A deep mountain valley is separated by two vertical cliffs. One cliff is 600 meters high and the other is 400 meters high. A cable car runs from the foot of each cliff to the top of the other cliff. At what height above the ground do the two cable cars

72. ## Chemistry

Can anyone answer this question please. (Determine the concentration of an aqueous NaCl solution if 31.5 mL are required to reach the equivalence point when titrated with 25.0 mL of 0.20 M AgNO3.)

73. ## Maths

A box with no top is to be built by taking a 6'' - by - 10'' sheet of cardboard and cutting x - in. squares out of each corner and folding up the sides. Find the value of x that maximizes the volume of the box.

74. ## physics

A person looking out the window of a stationary train notices that raindrops are falling vertically down at a speed of 4.15 m/s relative to the ground. When the train moves at a constant velocity, the raindrops make an angle of 25° when they move past the

75. ## math

Jane’s car travels 224 mi on 12 gal of gas. Rounded to the nearest mile per gallon, how many miles to the gallon does her car get?

76. ## Statisitcs

The operations manager of a large plant with four departments wants to estimate the person-hours lost per month due to accidents. describe a sampling plan that would be suitable for estimating the plantwide loss and for comparing departments.

77. ## Organizational Behavior

Questions 1. Research conducted by Luthans supports the belief that promotions are base on performance. True or false 2. Tenure is negatively related to turnover. True or False. 3. Age and avoidable absences are negatively related. True or False. 4. Which

78. ## math

Convert each of the following repeating decimals to a/b form, where a, b are integers and b ≠ 0. #2a ¯ 0.4 #2c ¯ 1.396 #2e ¯ -2.34

79. ## Physics

a grizzly bear makes a displacement of 1563 m due west, followed by a displacenent of 3348 m in a direction 32.0 north of west. what are the magnitude and direction of the displacement needed for the bear to return to its starting point

80. ## Physics

A car is being pulled out of the mud by two forces that are applied by the two ropes shown in the drawing. The dashed line in the drawing bisects the 30.0° angle. The magnitude of the force applied by each rope is 2900 newtons. Arrange the force vectors

81. ## math

express the relation 6x+4y=24 in an equivalent form where y is a function of x

82. ## math

i am a number in the fourth row on the hundred chart. my ones digit is twice my tens digit. what number am i;

83. ## Statistics

Hi, I have to answer if each questions is a nominal, ordinal, interval discrete, interval continuous, ratio discrete, or ratio continuous. I would like to know if my answers are correct and if wrong what is the correct answer. Thanks 1. Highest level of

I am doing a reconstruction project and need specific information about THe Black Codes. What is this or what were these? Who did or did not benefit from it? Thank you

85. ## Chemistry

Classify the following reaction using 2 different classifications. 3Sr(OH)2+2Fe(NO3)3=3Sr(NO3)2+2Fe(OH)3

86. ## Chemistry

In trial one the mass of silver oxide is .5g. The mass of silver metal product is .431 grams. In trial two the silver oxide=.498 and silver metal=.388. How do you use this information and the conservation of mass to calculate the mass of oxygen that

87. ## Calc

An airplane is flying at a speed of 350 mi/h at an altitude of one mile and passes directly over a radar station at time t=0. a) Express the horizontal distance d (in miles) that the plane has flown as a function of t. I really don't know... would it be

88. ## maths

for tan2x=3 i get should get two values 71.56 and 251.56 but i dnt knw how to solve to get this two values. pls help me with this. thanx in advance.

89. ## statistics

Intrinsic - 5.5, 5.5, 5.2, 5.3, 4.7, 5.5, 5.2, 5.3, 4.7, 5.4, 6.2, 5.2, 5.3, 4.7, 5.4, 6.2, 5.2, 5.5, 5.2, 5.3, 4.7, 5.4, 6.2, 5.2, 5.6 Extrinsic6.8, 5.5, 4.6, 5.7,5.6, 5.5, 4.6, 5.7, 5.6, 5.6, 5.5, 4.6, 5.7, 5.6, 5.6, 5.5, 4.6, 5.5, 4.6, 5.7 5.6, 5.6,

90. ## Music

I'm learning about Asian music and i have 7 terms, and i have to group them into either folk, classical or popular. The 7 terms are khaen, tai thu, metallophone, piphat, ramayana, Lam sing, and gamelan. Which terms fall into each of the 3 groups. Any help

At a preview of a movie,6 people out of 500 walk out. suppose that 600,000 people see the movie. estimate the number of people who walk out

pliis the equivalent form indicated for each of the following fractions 7/9=?/45 and 11/5=?/35 pliis help meee

93. ## Physics

A CD has to rotate under the readout-laser with a constant linear velocity of 1.25 m/s. If the laser is at a position 3.2 cm from the center of the disk, what are the revolutions per minute (rpms) of the disk? ***Can someone please step me through the

94. ## physics

A model rocket is propelled upward by a cylinder of compressed water. The cylinder emits water at a rate of 0.050 kg/second with an exit speed of 80.0 m/s. Initially, the rocket has a mass of 0.15 kg, including the water cylinder. What is the rocket's

95. ## Physics

I solved 1 out of 2 correctly: A shell is launched at 140 m/s 56.0 degrees above the horizontal. When it has reached its highest point, it launches a projectile at a velocity of 110 m/s 35.0 degrees above the horizontal relative to the shell. 1) Find the

96. ## math

find the rate of change thousand dollars month, the rate of change is

How do I create a calendar with expressions using letters a,b,c, and d (1,2,3,4). Each expression needs to equal each day on the calendar.

98. ## Physics

Ports A and B are 400 miles apart. One boat starts from port A for port B at 6:05 and travels with a constant speed of 12 mph. If it leaves port A at 8:20, what speed musta a second boat have to arrive at port B at the same time? Explain your reasoning.

99. ## biology

energy that is lost at each trophic level of an ecosystem is replenished by????

100. ## physics

A person in a stationary, non-moving elevator drops a coin and it reaches the floor 0.6 seconds later. Now he repeats the experiment with the elevator moving. Would the coin reach the floor in less time same time or more time, if it were dropped when the

101. ## physics

The speed of sound in air is about 330m/sec. If a lighting flash occurs 5.5 seconds before you hear the thunder how far away from you was the strike?

102. ## pre cal

how many real number solutions are ther to the equation 10x^2+31x=-24

103. ## English

Thank you for your last corrections! Can you please check the following summary I prepared on the theme of colonialism in Conrad's "Heart of Darkness"? 1) Conrad presents colonialism not only as a political and an economical enterprise but also as a

104. ## Physics

A rifle is aimed horizontally at a target 52 m away. The bullet hits the target 2.2 cm below the aim point.

simplify the following fractions by rewriting them in factored form and finding all the "ones" you can....plis help.. 42/60, 16/80, 51/17, 7/33...

106. ## physics

total normal stresses of 110 and 40 kpa are applied to two planes at right angles in an element of soil. the shear stress acting on those palnes is 20 kpa. what must be the value of the pore pressure in the element if the minor principle stress in the

107. ## Managrial Economics

Anyone has answer for this please? A New Hampshire resort offers year-round activities: in winter, skiing and other cold-weather activities; and in summer, golf, tennis, and hiking. The resorts operating costs are essentially the same in winter and summer.

108. ## Botany

I need a labeled diagram of Cytokinsis Mitosis of the lily

109. ## college UOP

WHAT ARE YOUR VIEWS WITH DIVIDING ATTENTION AMONG A GROUP

110. ## French

Can you check these. I'm not really sure how to do these so I need a little help and examples. Part 1: Des promoms interrogatifs et relatifs Complétez en utilisant qu'est-ce qui ou qu'est-ce que. 1. ---------- se passe? Answer: Qu'est-ce qui 2.

111. ## government

where would I go to find out about campaign ads for a government project? I am stuck

112. ## Statistics

Is the water on your airline flight safe to drink? It is not feasible to analyze the water on every flight, so sampling is necessary. In August and September 2004 the EPA found bacterial contamination in water samples from the lavatories and gallery water

113. ## auditing

Describe how the separation of (1) authorization of production transactions, (2) recording of these transactions, and (3) physical custody of inventories can be specified among the production, inventory, and cost accounting departments

114. ## economics

You are a utilitarian social planner and have a very limited number of vaccines to a new and potentially deadly virus. How do you allocate them? Do you: (A) give them to specific groups, such as high-risk populations, or (B) sell them to the highest bidder

115. ## Chemistry

What is the equation of iron reacting with iron(|||) ions to form iron(||) ions?

116. ## English

I forgot to include the following sentences which belong to the same summary. Thank you. 1) While building up the personality of Kurtz for his listeners, Marlow exposes the discrepancy between the Europeans’ words and their actions. 2) At the beginning

117. ## physics

A tennis player standing 11.5 m from the net hits the ball at 2.60° above the horizontal. To clear the net, the ball must rise at least 0.252 m. If the ball just clears the net at the apex of its trajectory, how fast was the ball moving when it left the

118. ## calculus

what normal annual interst rate has an effective annual yield of 7.8% under continuous compounding?

119. ## world cultural geography

what is christain political and social organization?

120. ## algebra 1

Bushes that bites kass kass had been doing yard work all summer to save for a new bike and ms oleonary had asked her to plant a row of barberry bushes on each side of her drive way. se specified to kass that there should be a 1 foot space between the

121. ## French

Part 3: Encore des questions: Faites des questions directes avec les phraes de l'activité 10 (from previous part 2 post) 1. ----------- intéresse Paul? Answer: Qu'est-ce qu' 2. ----------- lui est arrivé? Answer: Qu'est-ce qui 3. --------- il a compris?

122. ## college

A car accelerates at a rate of 0.6 m/s2. How long does it take for this car to from a speed of 55 mi/h to 60 mi/h?

123. ## world cultural geo.

what does it mean when the question asks "how are christians relationships to famaily"? and education?

124. ## algebra 1

simplify the following fractions by rewriting them in factored form and finding all the "ones" you can....plis help.. 42/60, 16/80, 51/17, 7/33...

125. ## college physics

A 32 kg box sitting on a ramp has a coefficent of 0.21. If the ramp is raised, at what angle will the box begin slipping?

126. ## algebra

pliis the equivalent form indicated for each of the following fractions 7/9=?/45 and 11/5=?/35 pliis help meee

127. ## college

A car accelerates at a rate of 0.6 m/s2. How long does it take for this car to go from a speed of 55 mi/h to 60 mi/h?

How do I create a calendar with expressions using letters a,b,c, and d (1,2,3,4). Each expression needs to equal each day on the calendar.

129. ## Physics

h t t p : / / b i t . l y / 9 S F F F o a) What is the minimum value of F needed to move the two blocks? b) If the force is 10% greater than your answer for (a), what is the acceleration of each block?

130. ## Ohysics

An airplane flying at 120km/h due west moves into a region where the wind is blowing at 40km/h due east. If the plane's original vecotr velocity is Vplane, what is the expression for the plane's resulting velocity in terms of Vplane. a. 1/3 >Vplane b.

131. ## physics

A red train traveling at 72 km/h and a green train traveling at 144 km/h are headed toward each other along a straight, level track. When they are 720 m apart, each engineer sees the other's train and applies the brakes. The brakes slow each train at the

Find the real solutions of the equation: 14x^2 - 5x^2 - 1 = 0 I know that you have to use au^2 + bu +c = 0 so u^2 - 5x -1 which is prime. So would the answer be that the solution is the empty set?

133. ## chemistry

Calculate the empirical formula for each of the following natural flavors based on their elemental mass percent composition. nitroglycerin (used medically as a vasodilator to treat heart conditions): C 15.87% H 2.22% N 18.50% O 63.41%. Express your answer

134. ## history

I've decided to do my american history paper on consumer culture but i need to narrow it down to a specific time period and develop a thesis- is there a good thesis anyone can think of

135. ## physics

Richard is driving home to visit his parents125 mi of the trip are on the interstate highway where the speed limit is 65 mph Normally Richard drives at the speed limit, but today he is running late and decides to take his chances by driving at 80 mph.how

136. ## math

solve the given equation for x x-2/4+x+3/5=5/4

137. ## math

The theater group performed on Friday and Saturday night. Three hundred and twenty four attended on Friday, and 33 more attended on Saturday. How many people saw the show?

138. ## math

List three real-world situations that involve ratio and proportion.

The theater group performed on Friday and Saturday night. Three hundred and twenty four attended on Friday, and 33 more attended on Saturday. How many people saw the show? I need to write an equation for this.

140. ## Chemistry

Why is it better to use titration rather than just diluting something in some circumstances?

141. ## Physics

A point (labelled P in the figure) is attached to the rim of a disk of radius 0.2 m, which can turn around an axis through its center. It is rotating counterclockwise with a speed of 2.5 m/s. Can someone please step me through the problem step by step?

143. ## health

You have been appointed by the state you live in to get health care organizations to build systems to share information to improve health care services. Name a way you could encourage organizations to join your effort. What advantages would you present?

144. ## Algebra

Could you please check my work on these word problems? My solutions just don't seem right, could you please let me know where I may have messed up. Many people know that the weight of an object varies on different planets, but did you know that the weight

145. ## algegra

what is the volume of each rectangular prism. base area 56 in squared,height 6 in

146. ## chemistry

Calculate the empirical formula for each of the following natural flavors based on their elemental mass percent composition. vanillin (responsible for the taste and smell of vanilla): C 63.15% H 5.30% O 31.55%.

After more than 10 years of proposals, revisions, and re-revisions, the National Conference of Commissioners on Uniform State Laws (NCCUSL) at long last voted to adopt the Uniform Computer Information Transactions Act (UCITA) on July 29. Like its better

148. ## English

Is this thesis statement too long for a four page essay? Also, are there any major grammatical errors? Although a cursory glance at Odysseus on his long journey home may lead to a conclusion that he is motivated by an overwhelming desire to see his wife

149. ## Statistics

The average mpg usage for a 2004 Ford Expedition 2WD for a sample of 10 tanks of gas was 17.0with a standard deviation of 0.8. For a Ford Explorer 2WD, the average mpg usage for a sample of 10 tanks of gas was 18.5 with a standard deviation of 1.0. (a)

210. ## Math

Could someone please check my work on these word problems? My solutions just don't seem right, could you please let me know where I may have messed up. Many people know that the weight of an object varies on different planets, but did you know that the

212. ## College Physics

A car initially traveling northeast (45° N of E) at 28.3 m/s takes 6.0 s to turn to the east. After the turn, the car is traveling due east at 20.0 m/s. What is the value and direction of the change in velocity?

213. ## college physicalscience

the air speed of a plain is 223km/h and the pilot keeps the plane pointed north. A wind is blowing73.6km/h from the west. Determine the speed (in km/h) of the plane relative to the ground

the line with the equation x+y=3 is graphed on the same xy-plane as the parabola with vertex (0,0) and focus (0,3). What is the point of intersection of the two graphs?

215. ## Pyshics

A car is travling forward at 75km/h. How far does the caar tavel in 25 s?

216. ## Physics

A 24 kg box is released on a 21 degree incline and accelerates down the incline at 0.27 m/s^2. a) Find the friction force impeding its motion. b) What is the coefficient of kinetic friction?

the line with the equation x+y=3 is graphed on the same xy-plane as the parabola with vertex (0,0) and focus (0,3). What is the point of intersection of the two graphs?

218. ## Physics-Mechaincs

A block is pushed up a frictionless incline by an applied horizontal force as shown. The acceleration of gravity is 9.8 m/s2 . mass=2.7 kg F = 33 N theta=29◦ What is the magnitude of the resulting ac- celeration of the block? Answer in units of m/s2.

219. ## History

What were the causes of the Great War of Empire and why is it called that?

220. ## Physics-Mechaincs

A 1.3 kg mass accelerates at 5.8 m/s2 in a direction 36◦ north of east. One of the two forces acting on the mass has a magnitude of 17.3 N and is directed north. Determine the magnitude of the second force. Answer in units of N.

221. ## chemistry

for an oxygen atom,wich requeres more energy,the addition of two electrons or the removal of one electron?explain why

222. ## geometry

i need help with this geometry prblem my math book is online on this site: w w w . k e y m a t h . com / D G 3 the class passcode is: 1574-4c524 The chapter is 0 Lesson 0.2 pg. 9 problem number 6 REMEMBER 4-FOLD SYMMENTRY IS NEEDED !!! URGENT !!!

223. ## geometry

i need help with this geometry prblem my math book is online on this site: w w w . k e y m a t h . com / D G 3 the class passcode is: 1574-4c524 The chapter is 0 Lesson 0.2 pg. 9 problem number 6 REMEMBER 4-FOLD SYMMENTRY IS NEEDED !!! URGENT !!!

224. ## math

solve the equation and check 1/5(y+3)+3=1/10(7y-4)-5

225. ## chemistry

what happens when you cool biodiesel. petroleum-based diesel fuel, and vegetable oil?

226. ## college physics

What is the cross product a x b of the two vectors a = 64.00 m directed due east and b = 32.00 m directed 30° north of east?

227. ## Chemistry

How can beta radiation be stopped by a piece of aluminum foil?

228. ## chemistry

how does kinetic molecular theory help us to explain boyle's law?

229. ## algebra 2

simplify the square root of 18 m to the 9th power

230. ## Algebra

How many milimiters of pure acid must be added to 150 milimiters of a 30% solution of acid to obtain a 40% solution? I know that the answer is 25 milileters. Could someone show me with steps how to get the answer.

231. ## Microscopes

What is the resolving power for light microscopes, and what is it for electron microscopes?

232. ## chemistry

what frequency of radiation in Hz is required to ionise helium?

233. ## physics

a 9.0 g ice cube at -10 C is put into a thermos flask containing 100 cm^3 of water at 20 C. by how much has the entropy of the cube-water system changed when the equilibrium is reached? the specific heat of ice is 2220 J/kg K.

234. ## ETH 125

What is the definition of socially compliant? I am completing an assignment that requires to categorize this statement for one of two groups or both (Christian American/ Muslim and Arab American).

235. ## Math

unknown number for 1/6h=9

236. ## Physics

Sandy is racing her sister home, but they each take a different route. Who will win: the one with the greatest average speed or the one with the greatest average velocity? Explain, using some sample numbers.

237. ## Chemistry

226Ra88 decays by emitting three alpha particles and three beta particles. what's the resulting nuclei? Is it 238Bi83? (Number on left is mass # and on right is atomic #)

238. ## Anatomy

What is the groove between the diapragm and ribcage in the lower part of the pleural cavity?

239. ## Chemistry

Find the volume in liters of 0.452 M manganese(II) sulfate that contains 54.5 g of solute?

240. ## physics

The current-density magnitude in a certain cicular wire is J= (2.75*10^10A/m^4)r^, where r is the radial distance out to the wire 's radius of 3.00 mm. The potential applied to the wire is 60.0 V. how much energy is converted to thermal enery in 2 hours?

241. ## Physics

A nuclear power plant generates (output) 500 mw. It is 34% efficient. The waste heat going in the Connecticut River with an average flow of 3*10 exp 4 (kg/sec). How much does the water temperature rise?

242. ## Physics

A solar still is used to make fresh water from salt water by evaporation. Assume that during a summer day that 1000 BTU/ft sq of solar energy falls on the surface of the salt water. Determine how many inches of water are evaporated in 30 days. Assume that

243. ## math

I need help with integer expression (3z)exponent2-10

244. ## Chemistry- urgent help needed

How do I prepare 40% v/v from 95% ethanol? When we say 95% ethanol, do we usually mean 95% w/w ethanol unless otherwise stated? Please show me the calculation steps to prepare 40% v/v from 95% w/w ethanol. Thanks.

245. ## Sta

A regular feature in a newspaper asks readers to respond via e-mail to a survey that requires a yes or no response. In the following day's newspaper, the percentage of yes and no responses are reported. discuss why we should ignore these statistics.

246. ## writing

In APA formate do I have to do (para. 11) or should it be (Para. 11)

247. ## Chemistry

My teacher showed us these examples in class, he says he need to be able to know when something is soluble in something else but i have no idea how to know. anyone have any rules on how to know? This is the examples he gave us: is CsI soluble in H2O? yes

248. ## Physics

A ball thrown into the air lands 38 m away 2.4 s later. Find the direction and magnitude of the initial velocity.

249. ## Microscopes

What is the RESOLVING POWER of a electron and light microscope?

People don't buy from local merchants Local people don't have jobs Prices may be higher People aren't self-sufficient What other disadvantages have you thought of? # geography (grade 6) - Ryan, Sunday, September 19, 2010 at 9:55pm interest rate goes up and

251. ## arithmetic

5(y-x)+z i need help

252. ## chemistry

Use the concepts of effective nuclear charge, shielding, and n value of the valence orbital to explain the trend in atomic radius as you move across a period in the periodic table.

253. ## algebra

solve for the variable in the equation 3(-2 - 3x) = -9x - 4

254. ## algebra

how do you solve f(f(9)) = 4x+6

255. ## physics

While exploring a cave, a spelunker starts at the entrance and moves the following distances: 75.0 m north, 290 m east, 180 m at an angle 30.0° north of east, and 150 m south. Find the resultant displacement from the cave entrance.

256. ## physics

An object with uniform motion traveled 265cm in 2.4 seconds. how much time did the object take to travel the last 50cm?

257. ## English

In what ways do APA format and style make academic communication hard?

258. ## chem

is NaCl ion dipole, or Ion Ion? my notes say ion ion but online it says ion dipole. Is NaOH2 hydrogen bond or Ion-Dipole? my class notes say ion dipole but it seems, to me, to be h-bond too.

259. ## chem

is NaCl ion dipole, or Ion Ion? my notes say ion ion but online it says ion dipole. Is NaOH2 hydrogen bond or Ion-Dipole? my class notes say ion dipole but it seems, to me, to be h-bond too.

260. ## uop

A firm utilizing FIFO inventory accounting would, in calculating gross profits, assume that

261. ## criminal justice

how are ethics and morals related to one another?

262. ## chem

is NaCl ion dipole, or Ion Ion? my notes say ion ion but online it says ion dipole. Is NaOH2 hydrogen bond or Ion-Dipole? my class notes say ion dipole but it seems, to me, to be h-bond too.

263. ## chemistry

if you start with 1.25g of Cu, calculate the amount that will precipitate

264. ## phy

A car at the Indianapolis-500 accelerates uniformly from the pit area, going from rest to 340 km/h in a semicircular arc with a radius of 196 m. Determine the tangential acceleration of the car when it is halfway through the turn, assuming constant

265. ## College Physics

What is the work required to move a proton 1 cm along the 7 volt equipotential line?

266. ## physics

In the ideal case of zero resistance, a ball rolling on a level surface will accelerate

267. ## ecology

What qualities make a great living environment for the isopod ?

268. ## Math 117

Find the vertex, line of symmetry, and the max/min value of f(x). Graph the function. f(x)=-3(x+1)^2+3

269. ## chem

is NaCl ion dipole, or Ion Ion? my notes say ion ion but online it says ion dipole. Is NaOH2 hydrogen bond or Ion-Dipole? my class notes say ion dipole but it seems, to me, to be h-bond too.

270. ## Math 117

Find and label the vertex and the line of symmetry. Graph the function. f(x)=1/3x^2

271. ## physics

a pendulum of length L=9.8m hangs in equilibrium and is given velocoity v=0.2m/s at its lowest point.What is the magnitude of the subsequent oscillation?

Translate the following sentence into a mathematical equation: "The area, A, of a circle is the product of the number pi and the square of the radius, r." A=pi X r^2 Is this correct?

273. ## math

solve the given equation for x x-2/4+x+3/5=5/4

274. ## chemistry

2C2H6(g) + 7O2(g) > 4CO2(g) + 6H2O(g) KCl(s) > K(s) + Cl2(g) is this balanced?

275. ## math

find the domain p(x)=x^2+1

a quantity of 0.5 g of crystalline NaCl is added to one liter of soultion containing 10e-3 mol of dissolved Ag+ demonestrate that AgCl precipitate from the solution and calculate the wight og AgCl in grams that form per liter. Assume that all activities

277. ## chemistry

Solid magnesium metal reacts with chlorine gas according to the following equation: Mg + Cl2 --> MgCl2 What mass of magnesium chloride is formed in the reaction between 7 g of Mg and 13.2 g of Cl2 is this correct 7 g+13.2 g = 20.2 grams ?

278. ## physics

If you heat a thin, circular ring in the oven, does the ring’s hole get larger or smaller? When the lid of a glass jar is tight, holding the lid under hot water for a short time will often make it easier to open. Why?

279. ## Business Research for Decision Making

1. Decide on the type of tool or instrument you think would be effective given your topic on if there is no relationship between customer relationship and customer loyalty, explain why this type of tool would be optimal, and point to research which has

280. ## math

Write each of the following square roots in the form a√b, where a and b are integers, b > 0, and b has the least value possible: a) √180 b) √363 c) √252

281. ## Chemistry

what is the temperature change in Celsius when 29.5 L of what absorbs 2.3 kWh of heat?

282. ## Physics 111

King Arthur's knights fire a cannon from the top of the castle wall. The cannonball is fired at a speed of 48 m/s and at an angle of 29°. A cannonball that was accidentally dropped hits the moat below in 1.7 s. (a) How far from the castle wall does the

283. ## science

How many people lived on the north american continent before european settlement?

284. ## PHY

Two objects attract each other gravitationally with a force of 3.5 10-10 N when they are 0.33 m apart. Their total mass is 4.0 kg. Find their individual masses. A)larger mass kg B)sMaller mass kg

285. ## Physics

If you're dragging a 75kg log along the ground at constant velocity and you have to pull on it with a horizontal force of 250 N, what is the resistive force exerted by the ground??

286. ## physics

Aerial skiing involves speeding down a steep ramp that curves sharply upward at the end to launch the skiers into the air. Once airborne, the skier twists and turns in complex combinations to score points in the competition. Consider an aerial launch ramp

287. ## Physics

Two cars travel at the same constant speed. The first car travels for 10 minutes, the second for 27 minutes. If the second car travels 18 miles farther that the first, how far does each car travel?

288. ## math

use the graph to find the following a. f(3) b. the domain c. any x- value for which f(x)=2 d. the range

289. ## calculus

lim as x approaches 0 of tanx/x

290. ## Calculus

Express the function in the form f o g. G(x)= The cube root of (x/1+x) So, (f 0 g)(x)= f(g(x))= f(cube root of x/1+x)= I don't know how to finish the problem because it does not give you the information for F(x)???

291. ## criminal justice

i need someones opinion on this question please. The American criminal justice system is a good one, but far from perfect. Innocent people have gone to prison and guilty ones gone free. How much of the out come of a trial has to do the ethics of the

292. ## PHI

when sherry stopped freelancing at home and took a full-time job, her salary doubled. However, ther money she had available to spend above and beyond her monthly edxpenses increased only slightly. which of the following, if tru best explains the difference

293. ## physics

A ball is kicked at a 37 degree angle, with a velocity of 14.6 m/s. How high and far does the ball go?

294. ## physics

Traumatic brain injury such as concussion results when the head undergoes a very large acceleration. Generally, an acceleration less than 800 m/s2 lasting for any length of time will not cause injury, whereas an acceleration greater than 1000 m/s2 lasting

295. ## English

Can you help me find the most appropriate words, please? 1) My school consists of a three-storey building. There is a parking place (?) at the front and a courtyard at the back. 2)The teacher's room and the secretary's offices are on the ground floor

296. ## math

how do you figure out what x is? 5x+1=2x+7

297. ## Algebra 2

how can i graph this piecewise function : f(x) = {x-4, if x1

298. ## physics

A volleyball is deflected vertically by a player in a game housed in a high school gymnasium where the ceiling clearance is 18m. If the initial velocity of the ball is 21.5 m/s, will the ball contact the ceiling?

299. ## math

Explain an error problem in each of the following: a) 13/35=1/5, 27/73 = 2/3, 16/64 = 1/4 b) 4/5+2/3=6/8, 2/5+3/4=5/9, 7/8+1/3=8/11 c) 8 3/8-6 1/4=2 2/4, 5 3/8-2 2/3=3 1/5, 2 2/7-1 1/3=1 1/4 d) 2/3*3=6/9, 1/4*6=6/24, 4/5*2=8/10

300. ## CHEM

Calculate the mass of nitrogen dissolved at room temperature in an 80L home aquarium. Assume total pressure of 1 atm and mole fraction of .78 for nitrogen

301. ## Hospitality

I need to provide an organization chart for a lodging facility, example hotel/resort. I have never worked in a hotel before. Can someone recommend a website for the hilton or some other popular lodging facility organizational chart?

302. ## Math 117

Give exact and approximate solutions to three decimal places. (x-8)^2=49 I need step by step example on how to solve this AND input it into a calculator. Please!

303. ## Math

Factor 3y^2z-5yz-9y^2+30y-25 I can't seem to figure this one out... Give me a step by step answer please and thank you :)

304. ## Statistics

Suppose you believe that, in general,graduates who have majored in your subject are offered higher salaries upon graduating than are graduates of other programs. Describe a statistical experiment that could help test your belief.

305. ## chemistry

what type of reaction is this Li + H2O --> LiOH A. Combination B. Combustion C. Decomposition Im thinking combination but the H2 is confusing me

306. ## math

To save for their retirement, a couple deposits \$4000 in an account that pays 5.9% annual interest compounded quarterly. What will be the value of their investment after 20 yr?

307. ## Probability

Can anyone show me how to do these? In the game of Yahtzee, suppose you have dice 1-2-4-5-6. What is the probability of rolling the 1 and 2 once and getting a large straight? What is the porbability of rolling the 1 and 2 twice and getting a large

Find the real solutions of each equation. x=2 srqt 6x-36 I do not know where to start.

309. ## chemistry

in trial one the mass of silver oxide is .5g. The mass of silver metal product is .431 grams. In trial two the silver oxide=.498 and silver metal=.388. Use the conservation of mass to calculate the mass of oxygen that combined with the silver

310. ## social studies

There house will possibly go from democrate to republican. Will this impede progress or make for more progress in the government? What will the influence the tax reform bill?

311. ## math

how do you write in word form 204,500,040.

312. ## science

i need the independent,dependent ,control group variable on a cat always landing on their feet

313. ## Physics

A jetliner can fly 6.50 hours on a full load of fuel. Without any wind it flies at a speed of 2.15 102 m/s. The plane is to make a round-trip by heading due west for a certain distance, turning around, and then heading due east for the return trip. During

314. ## chemistry

how many grams of hydrogen are produced when 1gram of aluminum is reacted?

315. ## criminal justice

how do defense attorneys deal with the moral dilemma of representing people they know are guilty?

316. ## math

which number is closer to zero, -4/5 or 5/4 please explain

317. ## physics

A ball is thrown upward from the ground with an initial speed of 26.2 m/s; at the same instant a ball is dropped from rest from a building 14 m high. After how long will the balls be at the same height?

318. ## physics

Assuming biological substances are 90% water and the density of water is 100 kg/meter cubed, estimate the mass of a fly, which can be approximated by a cylinder 4 mm long and 2 mm in diameter (volume (length*pi*radius squared)

319. ## Phsyics

Two cars start from the same place at the same time. After two hours, one car has traveled 30% farther than the other. If one car's speed is 20mph larger than the other car's speed, what are the speeds of the cars? Solve algebraically.

320. ## soil mechanics

total normal stresses of 110 and 40 kpa are applied to two planes at right angles in an element of soil. the shear stress acting on those palnes is 20 kpa. what must be the value of the pore pressure in the element if the minor principle stress in the

Describe the effects of circumstance on character.(include such thing as education, family,race,economic status, social status, clutural background and geographical location).From the story Young Goodman Brown And A&p

322. ## Physics

Three Coulombs of charge flow through a wire in 150 ms. If the current ceases to flow (goes to zero Amps) for the following 850 ms, what is the average current over this one-second period?

323. ## calculus

f(x)=kx^2+3 a) if the tangent lines to the graph of f at (t,f(t)) and (-t, f(-t)) are perpendicular, find t in terms of k b) Find the coordinate of the point of intersection of the tangent lines mentioned in part (a) in terms of k

324. ## maths

find the 8th derivative ofe^2x*sin2x?

325. ## social studies

How many people lived on the north american continent before european settlement?

326. ## applied maths

a force 'P' acts on a bodyat an angle theta to a horizontal line 'OX'. P,together with a pull of 1.5kn at 30degrees to, and below 'OX', has the same effect as a force of 5kn at 45degrees to and above 'OX'. i'm so confused!

327. ## college physics

A box is sliding down a ramp sloping 25° above the horizontal. The coefficient of kinetic friction is 0.15. What is the acceleration? The answer is 2.8 m/s^2. How can this be solved with out mass?

328. ## Chemistry

DDT, an insecticide harmful to fish, birds, and humans, is produced by the following reaction: 2 C 6 H 5 Cl (Chlorobenzene) + C 2 H O Cl 3(chloral) ==> C 14 H 9 Cl 5 (DDT) + H 2 O In a government lab, 1142 g of chlorobenzene is reacted with 485g of

329. ## social studies

Their house will possibly go from democrate to republican. Will this impede progress or make for more progress in the government? What will influence the tax reform bill? i want both republican and demorcatic view

330. ## Chemistry

Can someone explain the difference between oxidation and reduction? ALso reducing agent and oxidizing agent?

331. ## science

on myth busters there was a,project "people escaping from jail using real hair,toilet paper,and sheets i need the independent,dependent,and control variable on each

332. ## Math

I have this homework 4 prealgebra where i have to do subtractions with integers and the letter of the exercise goes in the box that has the number of the answer then when im finish the is gonna come out to da title question What should you do when you cant

333. ## english

how can i fix this sentence a woman who comes to Ashley for a routine blood pressure check in the clinic shares the news to Ashley that her 19-year-old daughter is pregnant

334. ## computer science (Assembly language)

Hello, i am new at assembly language and i just got started with this stuff. I have this assignment which doesn't make any sense to me. Can someone please help? I am using Kip Irvine's, Assembly Language for x86 Processors, 6th edition. These are the

335. ## physics

Consider the 692 N weight held by two cables shown below. The left-hand cable had tension T and makes an angle of θ with the wall. The right-hand cable had tension 760 N and makes an angle of 40◦ with the ceiling. a) What is the tension T in the

336. ## english

Although Ashley does not know whether she is doing a right choice in helping Mr. Roby, I believe that she does make a good decision in contacting other doctors and nurses

337. ## physics

An object with an inital velocity of 20 cm/sec is decelerated at 2 cm/sec/sec for 5 seconds,What will the resultant velocity be?

338. ## english

how can i make this sentence more concised She also demonstrates that the patients can make an impact on the nurses and influence them to care for the patients like their own family

339. ## math

There are 18 students standing in a circle, evenly spaced and consecutively numbered. Which student is directly opposite student 1

340. ## HEALTH

Dr bob's computerized records have been compromised by a virus, resulting in damages to patients. Which of the following is most true? a) Dr bob will not be liable. b) dr bob will be liable. c) dr bob won't be liable if the virus was introduced by someone

341. ## literture

what are the questions for ms.Lottie's marigolds

342. ## Chemistry

a mole of ethanol weighs only 46g; how many molecules does it contain?

343. ## Precalculus/Algebra 3

One root of 3x^3-5x^2+2= 0 is 2. Find the remaining roots

344. ## Science

What weather would it be when: A. a cold front is moving into an area that has warm, moist air. B. A warm front is moving into an area that has cold, dense air. C. A cool sea breeze is blowing inland, causing warm, humid air to rise. D. Air pressure is

345. ## Precalculus/Algebra 3

If P(x)= -4x^3+5x-1, use synthetic substitution to find each of the following. 2. P(1/3) 3. P(i)

346. ## Assembly Language

Hello, i am new at assembly language and i just got started with this stuff. I have this assignment which doesn't make any sense to me. Can someone please help? I am using Kip Irvine's, Assembly Language for x86 Processors, 6th edition. These are the

347. ## statistics

In a box of thirty AAA batteries, there are three defective batteries. Two batteries are randomly selected and tested. What is the probability that both are defective, if the first one is not replaced after being tested?

348. ## Precalculus

How do you determine graphically any local and absolute extrema. f(x)=x2+2x-15

349. ## Managerial Economics

anyone has answer to this? Discussion question As vice president of sales for a rapidly growing company, you are grappling with the question of expanding the size of your direct sales force (from its current level of 60 national salespeople. You are

350. ## Math

what is the equation of pi?

351. ## chemistry

is heat matter

352. ## Math

Hello everybody

353. ## physics

Assuming biological substances are 90% water and the density of water is 1000 kg/meter cubed, estimate the mass of a fly, which can be approximated by a cylinder 4 mm long and 2 mm in diameter (volume (length*pi*radius squared) the answer is 1.131 X10 to

354. ## Phi

Economics continue to measure our countrys economic well being based solely on its GDP however, GDP measures only products and services bought and sold with no regard with whether these money-generating transactions are positive or negativer. For example,

355. ## English

6) We have afternoon classes on Tuesdays from 2pm to 4pm. 7) I prefer scientific subjects such as physics and maths to humanities. 8) We are tested orally twice a term and we get three written marks each term (is there a better way of expressing it??). 9)

356. ## Calculus

Okay, I have a graph of the f(x). It is a parabola that opens up. What does the graph of f(|x|) look like (the absolute value). Is it the same, or flipped or translated? Can someone describe what it looks like to me please :)

357. ## re:social studies

The Democratic point of view is that the Republicans are the party of "No," and progress will be severely impeded if Republicans gain a majority in Congress. Republicans will extend the tax cuts for everyone, including the rich. why though? The Republican

358. ## English

I forgot to include the following sentences when describing the school day. As I couldn't send you my previous post, I typed "Jane" (to see if something changed.) Can you please check them please? 1) We have lessons (or we go to school) from Mondays to

359. ## German

Can somebody please check over my german homework? I really would appreciate somebody checking over what I've written and telling me where and why I may have gone wrong: "Ich höre gern klassische musik, weil ich eine filme über Mozart gesehen habe und

360. ## Physics

Ports A and B are 400 miles apart. One boat starts from port A for port B at 6:05 and travels with a constant speed of 12 mph. If it leaves port A at 8:20, what speed musta a second boat have to arrive at port B at the same time? Explain your reasoning.

361. ## algrebra 2

how to find the xintercept and y intercept 5y=15x-90

362. ## science

a girl on a motorbike passes by at a speed of 15 m/sec.her mass is 40 kg. what is the kinetic energy