# Questions Asked onFebruary 4, 2016

141. ## math

For a scavenger hunt, Chessa put one coin in each of 10 small boxes. Four coins are quarters, 4 are dimes, and 2 are nickels. How could you simulate choosing one box at random? Would you use the same simulation if you planned to put these coins in your

Complete the following reaction 2F2(g) +2H2O(ĺ)=?

143. ## maths

The position vector of m in the same plane are as the point a and b is given by m=1÷2(a+b).if the vector A(-4,-3),B(2,-1).What is the direction and the relationship of vector AM and vector BM

144. ## Physics

A guy riding a buffalo is chasing you at a top speed of 50 km/h, you are well ahead of the rider by 2 km, but your speed is only 20 km/h. How much time do you have to come up with a better plan?

145. ## Social studies

A case in which a group or individual claims that another group or individual has done them wrong is

146. ## Algebra 2

Write the equation of a trend line. {(-10, 3), (-5, 1), (-1, -4), (3, -7), (12, -12)} How do I do this problem?

147. ## physics

two equal vectors of magnitude 2A are inclime perpendicular to each other find the resultant and direction of vector.

148. ## Language Arts

Circle the correct form of the pronoun 1. Jane and Sarah said (she, they) were too tired to skate any longer. Circle they 2. Either Bill or John will bring a sample of (his, their) own work. Circle their 3. Jane and Jill called (her, their) friend. Circle

149. ## Socialstudies

1. What was described as the ' hardest work " slaves did ? ( 1point ) A. work in the rice fields B . Work in the tobacco fields***** C. Work in the lumber business D. Work loading and unloading ships in port 2. which of the follow best describes the social

150. ## Math

a cookie recipe calls for a ratio of 4 cups of flour to 3 cups of sugar in order to make a dozen cookies. If Ben wants to make 30 cookies how many cups of sugar are needed?

151. ## math

In the figure xyz is an isosceles right triangle. What is the measure of xyz. A. 135 degrees B. 50 degrees c. 90 degrees d. 45 degrees

152. ## English III

Which word or phrase has the same meaning as manifold as it is used in this line? The heavens reward thee manifold, I pray. A. in many ways**** B. by God’s grace C. quickly D. faithfully

153. ## Language Arts

Circle the correct form of the pronoun. 7. Both John and Jim said (he, they) were not exercising regularly. Circle they 8. The jury was asked to return to (its, their) seats. Circle their 9. Please remind each student to bring (his or her, their) homework

154. ## English III

Which word is closest in meaning to copious? A. scarce B. plentiful**** C. scattered D. duplicated

155. ## Chemistry- Dr. Bob222

Methanol (CH3OH) is a colorless volatile liquid, formerly known as wood alcohol. It boils at 65.0 °C and has a heat of vaporization ΔHvap = 37.4 kJ/mol. What is methanol’s vapor pressure at 22.0 °C? My answer: 109.5 torr

156. ## Math

Rewrite the expression using the Distributive Property. 5(2x-8) a. -30x b. 10x-40*** c. 10x+40 d. 10x-8

157. ## Physics

A force vector points at an angle of 50.8° above the +x axis. It has a y component of +282 newtons. Calculate the magnitude of the force vector.

158. ## Physics

A 2 635-kg sailboat experiences an eastward force of 2 710 N by the ocean tide and a wind force against its sails with magnitude of 5 748 N directed toward the northwest (45° N of W). What is the direction of the resultant acceleration?

159. ## Math

1. What is the probability of rolling a number less than or equal to 6 when rolling a six-sided number cube? a. 0.17 b. 5% c. 5/6

160. ## Physics

a 61.6 kg person on a diet stand on a bathroom scale in an elevator. to their great pleasure the scale reads 46.8 kg. what is the acceleration of the elevator? (up is positive)

161. ## Physics

A 2kg mass, m1 and a 10 kg mass, m2 are in contact on a horizontal frictionless surface. a constant horizontal force 13.7 N in the positive X direction is applied to m1 and a constant horizontal force 10.7 N in the negative X direction is applied to m2.

162. ## Social Studies

__________ is the perspective in geography that examines locations on the planet based on their human impact to the other objects around them. a. the ecological perspective*** b. the spatial perspective c. the global perspective d. none of the above

163. ## Physics

Three students converge on the last textbook in the store. All three grab it and begin to pull in the directions shown in the above figure. Student A exerts a force of 77.64 N, student B pulls with a force of 18.52 N, and student C pulls with a force of

164. ## Social Studies

What does “geography” mean in literal sense? a. the study of the human elements of Earth b. to describe Earth*** c. the study of the physical elements of Earth d. none of the above

165. ## Physics

A 1550 kg car is traveling with a speed of 12.4 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 50.3 m? I found the force of the car to be 14700 by using F=ma. I am confused on what to do

166. ## Social Studies

__________ is the perspective in geography that examines locations on the planet based on their relative location to objects. a. the ecological perspective b. the spatial perspective*** c. the global perspective d. none of the above

167. ## Social Studies

In what way is geography an integrative science? a. Geography is an integrative science because it examines Earth in both physical and human terms.*** b. Geography is an integrative science because it borrows from physical sciences such as chemistry,

168. ## Physics

A supertanker (mass = 1.90E+8 kg) is moving with a constant velocity. Its engines generate a forward thrust of 7.34E+5 N. Determine the magnitude of the resistive force exerted on the tanker by the water.

169. ## MAth

the high soccer team can have no more than 26 players.write and solve an inequality to determine how many more players can make the team if the coach has alreadychosen 17 players. i need the inquality,interpretation,solution

170. ## History

How did the agriculture influence the economic development of the south and growth of slavery?

171. ## English

The author of The Odyssey, an epic written in 700 B.C., was ______. a. Odysseus b. Socrates c. Homer***

172. ## probability

Which event has a probability of 1?

173. ## calc 1

For the limit lim x → 2 (x3 − 5x + 3) = 1 illustrate the definition by finding the largest possible values of δ that correspond to ε = 0.2 and ε = 0.1. (Round your answers to four decimal places.) i set it up like this 1-0.2

174. ## English

What is the topic of this complex sentence? "After they had enjoyed fair winds and weather for a season, they were encountered many times with crosswinds, and met with many fierce storms, with which the ship was shrewdly shaken, and her upper works made

what things might you see,hear,or smell at a marina??

176. ## Ap Biology

Unprotected skin cells mutate at a rate of 20% when exposed to 10 rads of UV radiation. A group of scientists tested whether Sun Screen X will decrease the mutation rate. 1100 cells were tested, exposed and counted. Only 200 cells had mutated, 900 cells

177. ## Physics

A rock climber throws a small first aid kit to another climber who is higher up the mountain. The initial velocity of the kit is 12.8 m/s at an angle of 65.7° above the horizontal. At the instant when the kit is caught, it is traveling horizontally, so

178. ## Math

Suppose the growth of a population (in thousands) is represented by the expression 32 * 2.1^x where x represents the number of years since 2010. Evaluate the expression for they year 2015. Round to the nearest whole number. A. 41 B. 1,307 C. 67 D. 622 Is

179. ## English III

In the second stanza of "To My Dear and Loving Husband", what idea do the comparisons to treasure make clear? A. the value of her love for her husband B. the value of her husband’s love for her C. the gifts that husbands give to show their love D. the

180. ## Algebra

Suppose the growth of a population (in thousands) is represented by the expression 32 * 2.1^x where x represents the number of years since 2010. Evaluate the expression for they year 2015. Round to the nearest whole number. A. 41 B. 1,307 C. 67 D. 622 Is

181. ## Algebra

Alise separated her pictures into 3 piles. Each pile contained 9 pictures. How many pictures did she have in all? Write and solve an equation to represent the problem. State the answer to the problem.

182. ## math

There are 28 cars registered for a race. The top 5 finishers will be awarded trophies. 1. how many different ways can the trophies be awarded? 2. Now, the trophies are labeled "first, second,etc How many different ways can the trophies be awarded?

183. ## Math

What is e/2=3

184. ## Statistics

Suppose that in the city in which the survey is conducted, 50% of adults are married, 15% are single, 25% are divorced, and 10% are widowed. a. Assign probabilities to each simple event in the sample space. b. Which approach did you use in part (a)? Find

185. ## Algebra

How many solutions does this system of equations have? X-2y=6 and 3x-6y=18

186. ## mathematics

A patient gets tested for a disease. The test is 90% reliable (that is P(testing positive│have disease)=.9 . 2% of the population has this disease. The test gives a false positive 5% of the time (that is P(testing positive│NOT diseased)=.05). What is

187. ## science help PLS

An astronomer see a star that is very far away but still very bright. What can she conclude about the star? The star must be very large. The star must be very small. The star must be moving away from Earth. The star must be moving closer to Earth.

188. ## stats

Jim is a randomly chosen member of a large population in which 6% are heroin users. Joe tests positive for heroin in a drug test that correctly identifies users 98% of the time and correctly identifies nonusers 95% of the time. What is the probability that

189. ## math

There are two jars, A and B. Jar A contains 7 red and 2 blue marbles, while jar B contains 5 red and 4 blue marbles. You roll a fair die.If you get a 2 or a 3, you pick a random marble from jar A and put it in jar B. You then pick a random marble from jar

190. ## Language Arts

When You Paraphrase A Line Of Poetry, What Do You Do a.You turn it into a question b.You put it in your own words c.You add humor to it d.You copy it down exactly Choose the best paraphrase of these lines from the limerick Said the fly, let us free let us

191. ## Division

How can you use estimation to find the quotient of 57 divided by 3?

192. ## Math

Zefram analyzed a linear relationship, found that the slope-intercept equation was y  3.5x 16 , and made a prediction for the value of y for a given value of x. He realized that he made an error calculating the y-intercept and that it was actually

193. ## math help

Louis says that if the differences between the values of x are constant between all the points on a graph, then the relationship is linear. Do you agree? Explain.

194. ## language arts

What would i say to paraphrase each line for the poem "If" by Diondra Jorda?

195. ## Math

Use three methods to express each problem’s ratio. Simplify all fractions. 1. Anna has 12 black rabbits and 4 brown. What is the ratio of black rabbits to brown rabbits?

196. ## Gen Chem

A mixture of NaCl and sucrose (C12H22O11) of combined mass 10.2 g is dissolved in enough water to make up a 250 mL solution. The osmotic pressure of the solution is 8.29 atm at 23°C. Calculate the mass percent of NaCl in the mixture.

197. ## Math

Tom has taken 3 tests with an average of 88%. However, Tom really wants an A. To get an A, he has to have an average score of 93%. What score does he need on the final test to get an A? I just don't get it. Can someone walk me through the steps to get to

198. ## Math

There are 5 chairs in a row, and three people. In how many ways c an you place the people on the chairs? (each person must occupy exactly one chair, so that two chairs will remain free).

199. ## Calculus

Two hallways, one 8 feet wide and the other 6 feet wide, meet at right angles. Determine the length of the longest ladder that can be carried horizontally from one hallway into the other.

200. ## chemistry

Let I know the equation with symbol of 'iron2oxide from iron fillings'

201. ## Algebra

The mean on a Advanced Algebra test was 78 with a standard deviation of 8. If the test scores are normal distributed, find the interval about the mean that contains 99.7% of the scores. Use the empirical rule.

202. ## Math

write 3 cos (ωt + 2) + 4 sin (ωt + 1) as A cos (ωt + φ). Find A = ? φ= ?

203. ## history

what is the name and year of the treaty that gave french a legal right to hispanoila ?

204. ## geometry

When the vertex of an angle is inside the cricle, you must _____ the arcs and then take _____.

205. ## Chemistry

1. How could a chemistry student change NaOH(s) to NaOH(aq)? s= solid aq= aqueous 2.) How could a chemistry student change NaOH(s) to NaOH(l) s= solid l= liquid

206. ## Math

Combine like terms(same variable to the same power) Simplify: 3a^3b+4a^2b^2-7a^3b+2ab-5a^2b^2+10a^3b

207. ## Physics (Electricity)

A meter has a resistance of 75 ohms and gives full-scale deflection when it passes a current of 1.0 mA. How would you adapt the meter to read a) Currents up to 1A b) voltages up to: 5V c) Voltages up to: 100V

208. ## Physics help

1. The fundamental force that: (4 marks) ____ 1. causes hair to stand on end after being rubbed by a balloon a) strong nuclear ____ 2. causes protons to remain in the nucleus despite repulsive forces b) weak nuclear ____ 3. controls the planets' orbit

209. ## Math

What is the answer to,"if the area of a rectangle is 24 and the perimeter is 28, what are the length and width?"

210. ## Algebra

2. What is the value of x in the solution to the system of equations below? 15x – 12y = 13 30x + 9y = 4

211. ## Math

Find the quotient. 6 2/7 divided by 2 3/4. 2 2/7. (MY ANSWER) 17 2/7. 2 6/11. 7/16.

213. ## Math

Can I subtracted from 2.3 from 20and got 17.7

214. ## Physics

A high voltage unit has an internal resistance of 50 mega ohms. On open circuit, the potential difference across its output is 3000 V. When a resistor R is connected across its output, the potential difference at the output falls to 1000 V. Calculate the

215. ## math

I don't understand how to write 3 groups of w as an algebraic expression. Can anyone help me?

216. ## Physics

A digital voltmeter with high internal resistance gives a maximum reading of 2.0 V. It is used to determine current by measuring the potential difference across a standard resistor S through which current has passed. What should the resistance of S be to

217. ## Math

Daniel is having a poster printed from a photo that is 3inches wide and 5inches long if the poster is 24 inches long how wide should the poster be if it is proportional to the photo

218. ## genetics

a man with blue eye married a girl with broun eye and the mother of the girl has blue eye. What is the probability that their children will have blue eye

219. ## farm disease

illustrating with two named disease, describe their clinical signs and give confirmative diagnoses of each using pathognomic signs

220. ## Chemistry

suppose 4.52 g H2o and 20.09 g So3 are produced. How many grams of H2So4 decompose? Wouldn't the answer be 24.61?

221. ## Algebra ASAP!!

7. The table shows the functions used to determine the number of points earned every month by regular and elite members of a dining club who spend d dollars that month at participating restaurants. Which statement describes the difference in these

222. ## math

If the cost price (C.P.) of 6 articles is equal to the selling price (S.P.) of 4 articles find the gain percent.

223. ## farm disease

explain the mechanisms as test involved in vaccinating birds against a named disease with special infacises on immunity build up

224. ## math

For the period 1995-2002, the total personal expenditures (in billions of dollars) in the United States for food, f(x), and for housing, h(x), can be described by the equations shown below, where x is the number of years past 1995.† f(x) = 40.74x +

230. ## chem

use atomic theory to explain why chemical reactions obey the law of conservation of mass

231. ## math

Can 15.32 be an integer? THANKS!!!

232. ## Math

Find the number that completes the equation. blank = 2 ----- --- 4 20 1/10. 2/5. 2. 4. Please explain how I could solve this. :)

233. ## math

Perimeter of 26.length is 6 feet. What is the width

234. ## Algebra 1

-2, -12, -72, -432 find the 8th term 0.2, 1.6, 12.8, 102.4 find the 6th term 24, 12, 6, 3 find the 7th term

235. ## Physics

A river flows due east at 1.54 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 11.2 m/s due north relative to the water. What is the velocity of the boat relative to shore?

236. ## math

Braden has 10 red model cars, Which are 2/5 of the total number of cars in his collection. How many cars does Braden have in his collection? 4. (MY ANSWER) 10. 25. 50.

237. ## Socil studies/sicence ?

sorry I dint really know how to lable this question but can somebody tell me some positive and negative effect of collecting gold?

238. ## physics

Two rings of radius 3 cm are 23 cm apart and concentric with a common horizontal x-axis. What is the magnitude of the electric field midway between the rings if both rings carry a charge of +35 nC?

239. ## Math

I have the following chart that I am supposed to find the percent increase in one step. The directions specifically say not to use a two step method. 10.5 12.5 14.9 17.7 21.1 25.1 So I divide 12.5 by 10.5, 14.9 by 12.5, etc. When I do this (and round) I

240. ## computer programing

okay I need a little help here on next program this what it say for first one which I have done. Create a counting program that counts backward from 100 to 1 in increments of 10. #include < stdio.h > int main () { Int i; while ( I > = 1 ) { printf ( “ %

241. ## chemistry

A 7.30-L container holds a mixture of two gases at 45 °C. The partial pressures of gas A and gas B, respectively, are 0.410 atm and 0.620 atm. If 0.150 mol of a third gas is added with no change in volume or temperature, what will the total pressure

242. ## Math

How do you find the slope of -5x+3y-8=0

243. ## science

A researcher wants to develop a new pharmaceutical compound to treat pain. Which of the following strategies will likely be the most effective process? A. Test extracts from newly discovered plants for pain-killing substances. B. Read anthropological

244. ## HISTORY

1. Explain from the Gilded Age that supports the "the farmers were up in arms." 2. What is one change in the South between 1877 and 1900 that reflected the policies of the New South agenda?

245. ## algebra

A clock has a minute hand that is 14 feet long and an hour hand that is 9 feet long. What is the average speed (in mph) of the tip of the minute hand no idea how to solve this... please help :)

246. ## Math

find the limit as x->3 of (1-sqrt(x-2))/(x-3) I'm not sure how to get the answer, I know it's -1/2, but I don'y know how to get that.

247. ## Physics

What is the force of attraction between you and your friend steve if you are 55 kg,the mass of steve is 60 kg, and you are sitting 2.4 meters apart?

248. ## Physics

Roxanne is making a strawberry milkshake in her blender. A tiny, 0.005-kg strawberry is rapidly spun around the inside of the container with a speed of 14.0 m/s, held by a centripetal force of 10.0 Newtons. What is the radius of the blender at this

249. ## maths

A shelf is 6 m wide. how many boxes of width 20 cm can be fit in this shelf

250. ## algebra/precal

If a minute hand traveled at an average of 1 mph at the tip... how long in get would the minute hand have to be?

251. ## Math

What is 4 1/3 as a inproper fraction

252. ## math

three taps fills water in a tank.one fills it in 3hrs another in 4hrs and the third in 6hrs.if all run together how soon will they fill the tank?

253. ## calc

If you fire a paper clip straight up into the air with a rubber band, its height (in feet) above your hand time t seconds is given by: h = 64t - 16t^2. 1) How long does it take the paper clip to reach its maximum height? 2) If your hand is 6 feet above the

254. ## math

A pair of dice is rolled.What is the probability that the sum of the pips is either an even number on a multiple of 3? total number of space is 36.

Marilyn was supposed to pay $1410 to Bernice on March 1. Some time later Marilyn paid Bernice an equivalent payment of$1530.22, allowing for a time value of money of 4.8% compounded monthly.

256. ## math

nathan is shipping vases for his pottery studio. Each vase weighs p pounds. Each crate weighs 5 pounds and holds 10 vases .a shipment consists of 15 crates. write an expression for the weight of a crate holding 40 vases

257. ## Statistics

A population =100 and sd=25. A sample (n=150) has X=102. Using 2 tails of the sampling distribution and the .05 criterion. What is the critical value? Is the sample in the region of rejection? What does this indicate about the likelihood of this sample

258. ## Math

Paul's electric bill was three dollars more than one-half his gas bill. If electric bill was ninety-two dollars, what was gas bill

259. ## math

whats the pound for 1/4

260. ## calculus

A flea moves along the line y = -3 according to the equation: x = t^3 - 9t^2 + 24t where x is its x coordinate at time t secs. Determine: 1) the position, velocity, and acceleration of the flea at time 3 secs. Answer: position - 3^3 - 9(3)^2 + 24(3) = 18

261. ## Physics

Suppose at one point along the Nile River a ferryboat must travel straight across a 1.29-mile stretch from west to east. At this location, the river flows from south to north with a speed of 2.58 m/s. The ferryboat has a motor that can move the boat