# Questions Asked onMay 3, 2012

1. ## geometry

A park maintenance person stands 16 m from a circular monument. Assume that her lines of sight form tangents to the monument and make an angle of 47°. What is the measure of the arc of the monument that her lines of sight intersect? Please don't just

2. ## Statistics

According to insurance records a car with a certain protection system will be recovered 89% of the time. Find the probability that 3 of 7 stolen cars will be recovered.

3. ## statistics

the life of light bulbs is distributed normally. The variance of the life time is 225 and the mean lifetime of a bulb is 590 hours. Find the probability of a bulb lasting for at most 603 hours. Yeah, WTF??? Why me!??!

4. ## english

need help on italicized portion of the sentence? 1.The weather remaining turbulent, we will postpone our canoe trip.

5. ## statistics

The below table shows the probabilities generated by rolling one die 50 times and noting the up face. What is the probability of getting an odd up face? roll 1 Probability 0.22 roll2 probability 0.10 roll 3 probability 0.18 roll 4 probability 0.12 roll 5

6. ## algebra

The triangle and square shown below have the same perimeter. what is the length of one side of the square

7. ## Geometry

Zoe the goat is tied by a rope to one corner of a 15 meter-by-25 meter rectangular barn in the middle of a large grassy field. Over what area of the field can Zoe graze if the rope is 10 meters long? 20 meters long? 30 meters long?

8. ## Physics

A chlorine ion contains 17 protons, 16 neutrons, and 18 electrons. What is the net charge of the ion in Coulomb?

9. ## Physics

A 52kg ice hockey player moving at 11m/s slows down and stops over a displacement os 8.0m. Calculate the net force of the skater.

10. ## Geometry

Three balls are packaged in a cylindrical container. The balls just touch the top, bottom, and sides of the cylinder. The diameter of each ball is 13 cm. a. What is the volume of the cylinder rounded to the nearest cubed centimeter? b. What is the total

11. ## physics

Two loudspeakers are placed above and below each other and driven by the same source at a frequency of 3.70 102 Hz.An observer is in front of the speakers at point O, at the same distance from each speaker. What minimum vertical distance upward should the

12. ## math

Solve this system using elimination. If a single solution exists, write the solution as an ordered pair. Your answer will be an ordered pair, no solution, or infinitely many solutions 3a+5b=-19 5a-27b=145

13. ## English arts 1 Nouns

Aaron plans to attend college once he completes this course workbook. im suppose to identify the nouns in the sentence the nouns are Aaron,college,workbook right? im debating on course idk? help lol

14. ## English II - Animal Farm

My assignment is to find the human vice that each of the seven commandments intended to prevent in the novel, Animal Farm. First, I do not know what human vice the following two are supposed to prevent: Whatever goes upon two legs is an enemy. Whatever

15. ## statistics

a coin is tossed 16 times. What is the standard deviation?

16. ## hyperbola

the roof of a building is in the shape of the hyperbola y^2-x^2=40 , where x and y are in meters.determine the distans , w , between the walls.

17. ## physics- MC QUESTIONS

1. You push a block up a ramp with friction. The block is moving at constant speed ? A) The force you push with is greater than the force of kinetic friction. B) The force you push with is less than the force of kinetic friction. C) The force you push with

18. ## math

Jill is 20 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 1.5 kilometers per hour. They meet in 5 hours. How fast is Joe walking?

19. ## Physics

Richard stands on the flatbed car of a moving train playing an a on his horn. the note has a fundamental frequency of 220 Hz. Calculate weather or not the train could move fast enough for a stationary observer on the ground to hear the first overtone of

20. ## math1

(ii) A factory has two machines. Past records show that the first machine produces 40% of output and the second machine produces 60% of output. Further 4% and 2% of the products produced by the first machine and the second machine were defectives. If a

21. ## physical science

a skydiver steps from a helicopter and falls for 5 seconds before reaching her terminal velocity.during this 5 second interval, her acceleration;

22. ## Chemistry

Nitrogen gas (N2) reacts with hydrogen gas (H2) to form ammonia (NH3). At 200 oC in a closed container, 1.1 atm of nitrogen gas is mixed with 2.1 atm of hydrogen gas in an otherwise empty container. At equilibrium, the total pressure is 2.2 atm. Calculate

77. ## geometry

If a circle has an area of 25 pi cm squared, find the circumference of the circle? a. 5 squared cm b. 10 squared cm c. 50 sqaurred cm d. 156.25 squared cm

110. ## chemistry

1. mass of flask + cap = 92.53 g 2. mass of flask + cap + condensate = 94.34 g 3. mass of condensate = 1.81 g 4. volume of flask = 160 ml 5. temperature of water = 99.3 celsius 6. barametric pressure = 757 ml of mercury 7.. molar mass of gas(experimental)

111. ## Office management

(1) The best reference a potential job applicant can use in a reśumé is a (an) A. Next-door neighbor B. aunt or uncle C. Past teacher D. Former supervisor I choose (C) What would you suggest, could be (D) as well .

112. ## intro to chemistry (college)

A 64.8 g mixture of the compounds potassium sulfide and calcium oxide is 17.1 % by mass potassium sulfide. The compound calcium oxide is 71.5 % by mass calcium. Calculate the mass (g) of oxygen in the mixture. mass % = mass part/mass whole x 100. I

113. ## Intermediate Algebra

Create a list of six questions on solving equations with absolute value symbols that I will try to research, address, discuss, and/or express? Example: Google Earth: The Google Earth image shows the western side of The Mall in Washington D.C. The distance

114. ## performing and visual arts

What is another name for Gherardo Starnina? .Master of Bambino Vespo .Gentile da Fabriano .Duccio Buoninsegna .Giotto Bondone

115. ## analyzing a poem!

The eye is drawn to that single yellow star that no wise man will follow. The hunched men in caps, the grimacing woman her eyes screwed up, cheeks hollow. We look and look again until we burn a hole in the paper. We strive to learn from their resignation

116. ## Health

How does the system of health care provision in the U.S. support the goals of public health? Please provide an example.

117. ## Math-Algebra 1

I Really Need Help With This Question!! What is the area of the label on the side of a soup can if the radius of the can is 2 inches, the height is 4 inches, & the label completely covers the sides? Answers: a.) 16 & pie symbol square inches b.) 16 square

118. ## vocabulary

the what definition of gloomy is dismal or depressing

119. ## math

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of$9.00 for the month of March

120. ## Algebra

kaylin throws two dice. the difference in face value between the two dice is three, and the product of the numbers thrown is equal to twice the sum of two numbers. Write and solve an algebraic equation that finds the numbers kaylin threw.

121. ## Math

Help Homework : MaKE A TABLE:relate primeter and area Amaya has 24 inches of ribbon she can glue around the edge of a rectangular gift box lid. if she wants to use all the ribbon without any overlapping, what are the length and width of a gift box lid with

122. ## Chemistry

How many moles of a gas do you have if it is under 800.mmHg of pressure in a 500.mL flask at a temperature of 32 degrees fahrenheit?

123. ## physics

A car rolling at 18m/s when the driver hits the breaks after 5 seconds the car has slowed down to 3m/s find the cars acceleration you most write down all given information and show all work WHat does this acceleration tell us about the motion of the car?

124. ## Art

I left out a last paragraph. Thank you very much, Writeacher. 1) In a tennis match there must be around sixty tennis balls, because everything happens very quickly. 2) The players must also have a lot of rackets, because if a player breaks his racket, he

125. ## Chemistry College

A 79.1 g mixture of the compounds calcium chloride and sodium sulfide is 80.9 % by mass sodium sulfide. The compound sodium sulfide is 58.9 % by mass sodium. Calculate the mass (g) of sulfur in the mixture. thanks.

126. ## Calculus

An important problem in mathematics is that of root finding: that is, given a function f (x), finding any roots of f in an interval. Exact methods exist for many functions: • In the case of a linear function f (x) = ax + b, this is easy. – If a ≠ 0,

127. ## Math

Assume that the cost of a college education increases an average of 5% per year. If the in-state tuition at the University of Florida is \$2256 per year, what will the tuition be in 10 years?

128. ## physics

A ball is thrown straight up in the air A) What is its velocity at the top of its path? B) What is acceleration at the top of its path

129. ## African American Lit

What were the controversies of the black arts era?

130. ## application

i'm writing a officer aplication and need to write a bio, how long should the bio be?

131. ## Statistics

Assume X~N(1.2, 1.3). Find P(0.26

132. ## math

rewrite log (10a^(4))/(3b^(3))

133. ## math

y=1777x+27,153 number of y guns after 2000, that is x=0 coorespod to 2000, x=3, 2003 x=4. Predict number of gun deaths in 2004, 2009 and what year of gun deaths will be in 7606.

134. ## biology

The Cell membrane contains A) a double layer of fatty acid tails and phosphate heads B) cholesterol C) protein channels or pores D) a and b E A,B, and C

135. ## math

1/2 life of R 226 if A(t)=600e^-0.00043t i got stuck A(t)=A(t)=600e A(t)=600/2=300 300=A(t)=600e

136. ## physics

a horse walks 56 meters in 75 second. what is his average velocity?show the work

137. ## Physics

The total charge in an electrical circuit as a function of time is given by q=t/t^2+1 coulombs. Find the maximum charge q. Please provide your reasoning.

Determine an equation for the plane that contains the points A(6, 2, 3), B(5, 1, -3), and C(5, 7, -2).

139. ## physics

A ramp causes a ball to accelerate at - 4 m/s the ball is rolled up the ramp at 13 m/s find the ball velocity after rolling for 6 seconds you must show your work

140. ## Math

What is the larger root of the equation y^2+4y-21=0

141. ## History of Health Care Reimbursement System

I included the answers below but i don't know if my answers are correct please send me your opinions. thanks 1.By creating a committee on social welfare, the American Association of Labor Legislation helped to A. Decrease public hospital costs. B.

142. ## physics

A ball its thrown straight up into the air at 50 m/s find the balls velocity after 8 seconds show all work please

143. ## Chemistry

A patient with untreated diabetes may have a blood concentration of acetone of 20mg/100mL. Determine the molar mass of acetone and use this number to convert this concentration to mol/L. Okay, so I was able to determine the molar mass of acetone (=

144. ## English (Mrs,Sue!!)

Mrs.Sue, I wrote a paper on research proposal. Now, my teacher is asking us to write the steps on how we wrtoe the paper. Can you reword these questions for me? thank you so much!! "What techniques did you use as you thought through the issue? " "What

145. ## Dressmaking

A suit with rounded lapels and shawl collar would work best on a woman with which type of bodyline A)straight B)soft-straight C)curved D)sharp straight I think that the correct answer is B.Need help

146. ## Quimica

Qual o cÃ¡lculo para a preparaÃ§Ã£o de uma soluÃ§Ã£o de Ã¡cido clorÃ­drico a 1%? normalmente o comercializado Ã© (HCL P.A. 37%m/m, 1,18g/ml).

147. ## chemistry

Enthaly definition

148. ## Energy

Hi guys can someone help on energy like give me a few bulletpoint about it please

149. ## math

underoot 2x square +3x + underoot 2 by alpha into beta method.

150. ## physics

A ball is dropped from a tall building What is its acceleration What does the acceleration tell us about the velocity of the ball

151. ## math

9C5 i got 126, is that right?

152. ## algebra 2

Write the equation for a parabola with vertex (-2 , 3) and focus ( -2, 1).

153. ## Math

What is the larger root of the equation y^2+4y-21=0

154. ## physics

A ball droppred from a tall building find the balls velocity after 7 seconds show all works please

155. ## chemistry

1 The size of cation is ...... and the anion is ........ than atom. 2 The removal of an electron from an atom results in the formation of a ....... the size of which is ........ than that of the atom.

156. ## math

Inverse of 275? I think it's -275, but I am not sure.

157. ## Physics

Gravity on the moon is only 1/6 as strong as gravity on the Earth. What is the weight of a 55.3 kg dune buggy on the moon?

158. ## math log

log(x-9)=3 I'm not sure If its right x+9=3^4 x+9=81 x=72

159. ## vocabulary

blank definitions are subject to individual interpretation.

160. ## Chemistry-Conversions

Can you please show me how to set up these conversions (how to do each of these conversions) Question- The pressure of gas is measured ay 550 mm Hg. Calculate the pressure in: a. Torr b. lb/in2 c. atm d. in Hg Can someone other than DrBOB answer this

161. ## physics

two children ride bicycle towards each other with instant velocity of 20m/s and 10m/s. Each child releases a ball 6m above the ground with forward horizontal velocity of 40m/s relative to the bicycle. if the two balls collide in above the ground. what was

162. ## math 221

Talk about the levels of measurements, giving examples of the level you define.

163. ## Art

I need to let you check a few things later. I hope you'll be there, Writeacher. 1) I need your help for a project work on Emily Dickinson and the theme of anorexia. Could you suggest one of her poems? 2) I also need your help to find a short description

164. ## geology

I need help with this question... why air released from a tire or spray bottle can cool its surroundings?..thanks

165. ## math

a drawing of a deck has a scale of 1 inch to 5 feet. the actual deck is 18 feet long.how long is the deck in the scale drawing?

166. ## HIS-103

Discuss the early complex society

167. ## physics

what must an object do in order for the distance it traveled to be the same as its displacement.

I had to change these into the past tense preterite are they correct tú presentarse would it be tú presentaste él sentirse would it be él se sintió

1. a) Write the vector and parametric equations of the line through the points A(6, -1, 5) and B(-2, -3, 6). b) Find another point on the line in (a).

170. ## physics

A car speed up from 18m/s to 34 m/s in 2 seconds A) find the cars acceleration must write down all given information and show the work B) What does this acceleration tell us about the motion of the car?

171. ## chemistry

what will be the boiling point 54.5 grams of aluminum sulfate dissolved in 805 grams H2O

172. ## PHYSICS

A car speeds up at 5m/s if the driver was already moving at 7m/s find his velocity after 3 seconds

Determine an equation for the line parallel to 2x + 6y + 4z = 1 and contains the point P(3, 2, 1).

174. ## math

train A and train B traveling same direction. train A passes station 9:20, train B passes station 9:32, when will train B catch train A

175. ## Maths

Consider the Ferris wheel above. It has an axle standing 38m off the ground and a radius of 35m. The wheel takes 5 minutes to complete one revolution. The wheel moves in clockwise motion and you are sitting in one of the carriages which are horizontally in

176. ## algebra 2 please check

Write an equation for a parabola with vertex at (-4 , 3) and focus at ( -4, -2)? I have this.... (X+4)^2=20(y-3)

177. ## Foreign languages

Can you check these last sentences on the same theme? Thank you very much, Writeacher. 1) The server always calls his score first. If the server wins the first point, he gets a score of 15. The second point is called 30. The third point is called 40 and

178. ## chemistry

what is the shape of p-orbital.........

179. ## english

whole history from early man to indus valley civilization.

180. ## physics

Yes Orno? is the situation described an example of a free fall? A) a ball falls out of the window. B) Roy has just hit a base ball through the air. C)A bird is flying over your house.

181. ## English

I urgently need you to revise these sentences. Thank you. 1) Some pupils haven't received any emails from their partners yet. Could you spur them to answer? 2) As you suggested, I've asked my students, who haven't got a partner yet, to forward their emails

182. ## math->converges

25,-10,4 evaluate converges ended up with 10/7, is that right?

-2x^2+3x-1 give axis, vertex,domain, range, and intercepts

184. ## solve algebraically

y=2x+6 x^2+y^2=8

185. ## chemistry

how can i find pH using scientific notation? 1*10^1 1*10^2

186. ## MATH

Convert two point six eight to a mixed number?

187. ## Math

Linear equations using matrix method 2x-4y=0 3x-2y=3

188. ## Ashford

find the x- intercepts and y intercepts of the function f (x)=2x-8

189. ## Math

Linear equations using matrix method 2x-4y=0 3x-2y=3

190. ## math

Find the product 3/2 x 4/5 =

191. ## to bobpursley

if i was going on the same web you gave me and i wanted to study there,but if its a different book, what do i type in?

192. ## Math

How do i solve 2x+y > -3? And how do i graph it. This is Linear inequalities.

When is the best time to read review the discussion questions?

194. ## physics

a kangaroo goes 150 feet at 5ft/second how long does this take him.

195. ## algebra

find the difference (-7x^2 + 5x -9) - ( 2x^2 + 7x + 5)

196. ## physics

roy is going for a jog! a)he leaves his hours and goes east at 4m/s for 5second,then b)he realizes he lost an eye contact so he begins crawling at 2m/s for 10second c)then he gets tired and stops for 3second d)then he goes back toward his house at 4m/s for

197. ## Chemistry

A tank contains Ar at 1.33 atm and Kr at 3.59 atm. We add enough Xe to give a total pressure of 6.3 atm. What is the partial pressure of the Xe?

198. ## Life Orientation

Environmental problem

199. ## physics

Eric can you show the work please

200. ## math

17. Estimate 21,174-12,951 by first rounding each number to the nearest thousand.

201. ## Science

Living organisms animals

202. ## pre algebra

solve whether the sequence is arithmetic or geometric if it is arithmetic or geometric,state the common difference or common ratio and write the next three terms of the sequence 10,18,26,34

203. ## math

find the sum of the first 10 terms of geometric series with a=(1)/(2) and r=2

204. ## Math-Algebra 1

I Really Need Help With This Question!! What is the area of the label on the side of a soup can if the radius of the can is 2 inches, the height is 4 inches, & the label completely covers the sides? Answers: a.) 16 & pie symbol square inches b.) 16 square

205. ## math

18 Estimate 8128 /18 by first rounding each number so that it has only nonzero digit. 20. Find the digits in the tens place, in the tenths place, and in the ten thousandths place for the following number. 465.2587

206. ## help plz math

ln(3x+5)-ln(4)=ln(x-1)

207. ## MATH

CAN 1/2 EVER BE GREATER THAN 1/4. IF NOT THEN WHY?

208. ## math

how do you change seventy-two ninths into a decimal

209. ## Math Models

Are the functions y-5=6(x-3) and y=6x-13 equal?

210. ## Math

How do you solve: log2(x-1)+log2(x-2)=1 I got up to x^2-3x=0 Is it no solution or does it become x(x-3)? Thanks!

211. ## english

If there is a problem with a given sentence, write the letter corresponding to that problem in the appropriate blank. If there is no problem with the sentence, put “C” in the blank. A. Dangling/Misplaced Modifier B. Parallelism Error C. Correct

212. ## math

i need a factor tree for 800

213. ## math

i am a 2 digit number between 0 and 30 my two digits add up to 1 what number am i

214. ## math

√x^5/√x^2 change to exponential notation, then simplify. assume it is positive.

215. ## physics

giraffe walks at 5mph for 3hours.how far does he go?

216. ## math

proportions 4/21=x/168

217. ## math

expand as a binomial series (p^2 + 3h)^4

218. ## math

what is 4/21=x/168

219. ## health

what smoking bans were put in place between 1964 and 1988

220. ## math

what does it mean when it says name for negative numbers greater than -3