# Questions Asked onSeptember 15, 2014

1. ## Organich Lab Help Please!!!!!!!!

a) You use 100 ml ethylchloride (density 0.92 g/ml) to extract 25 ml ethylene bromohydrin (density 2.41 g/ml) mixed with 100 ml. Is the aqueous layer the lower or the upper layer. How could you easily test this. ----- Ethylchloride is less dense so it is

wilken owes rivera $2000. howie promises wilken that he wiol pay rivera the$2000 in return for wilken's promise to give howie's children guitar lessons. is rivera an intended beneficiary of the howie-wilken contract?

3. ## Pre Calculus

A motorboat travels 48 miles down a river in the same time it takes to travel 32 miles up the river. If the rate of the current is 4 miles per hour that is the rate of the boat still water?

4. ## Pre Calc

A bus trip of 90 miles would have taken an hour less if the usual average speed had been increased by 3 miles per hour. Find the usual average speed of the bus.

71. ## Math

If I want to reflect f(x) = -3x + 5 over the x-axis, would the new equation be f(x) = 3x - 5? Or is it -f(-x) = 3x - 5?

72. ## english

which is a better thesis A. Because it has become outdated, the electoral college should be replaced by a system that allows the US president to be elected by direct popular vote. B. Rather than voting for a presidential candidate, voters in a US

73. ## history

4. The Puritans viewed themselves as creating A. an ideal Christian community to be copied by others B. a prestigious university for training ministers C. an English colony identical to the lifestyle in England D. a haven for persecuted religious

74. ## algebra

A triangle has a perimeter of 161 miles. The length of each of the two shorter sides of the triangle is two thirds the length of the longest side. Find the length of each side of the triangle.

75. ## english

which is the best thesis A. Because air pollution is of serious concern to people in the world today, many countries have implemented a variety of plans to begin solving the problem. B. So far, research suggests that zero-emissions vehicles are one

76. ## Math 221

A distribution center receives shipment of a product from three different factories in the quantities of 60, 30 and 20. Three times a product is selected at random, each time without replacement. Find the probability that (a) all three products came from

77. ## Finance

Within the context of investment, explain how CAPM can be useful to investors.

78. ## Maths

ABCD is a cyclic quadrilateral.If AB=CD,prove that angle b=angle c

79. ## chemistry

Nickel is about 2 millimeter thick or 2/1000 of a meter.how many nanometer is this?

80. ## World History Answer Check

1. What were the major beliefs of Judaism and how did they influence Western culture? A: The major beliefs of Judaism were monotheism and prophets. These Jewish beliefs became markers of the Western tradition: human beings are separate from nature and must

81. ## Earth Science

7. The original location of an earthquake is also known as the A. hotspot. B. magnitude. C. horizon. D. epicenter.

82. ## chemistry

If an irregular object displaces 10mL of water within a graduated cylinder and its density is known as 2.5 g/mL. What is the mass of the object?

83. ## physics

A helicopter weighs 3920 newtons, caculated the force on it if it is ascending up at a rate of 2m/s squre ,what wil b force on helicopter if it is moving up with the constant speed of 4m/s .

84. ## ENGLISH 1

How is H. G. Wells’ fictional world in War of the Worlds similar to the real world?

85. ## algebra

A plane leaves Chicago headed for LA at 540 mph. One hour later, a second plane leaves LA headed for Chicago at 660 mph. If the air route from Chicago to LA is 1800 miles, how long will it take for the first plane to pass the second plane? How far from

86. ## algebra

A radiator contains 6 liters of a 25% antifreeze solution. How much should be drained and replaced with pure antifreeze to produce a 33% antifreeze solution?

165. ## Phsics

A crate weighing 600. N is being pulled across the floor. You pull up and to the right on a rope which is attached to the crate. You exert a force of 155 N at an angle θ=29.0° above the horizontal.

166. ## Biology

How are the hydrogen bonds broken during DNA replication? Is it done by the DNA polymerases?

167. ## Math

There are 8 plates. Jamie puts 9 strawberries on each plate. How many strawberries are on the plate?

Joan has a cafe. Each day she bakes 24 muffins. she gives away 3 and sell the rest. Each day, she also bakes 36 bagels. she gives away 4 and sells the rest. write an expression to represent the total number of muffins and bagels joan sells in 5 days.

169. ## Math

Janelle won 27 tickets at the fair. She traded the tickets in for 9 prizes. each prize was worth the same number of tickets. How many tickets was each prize worth?

170. ## Physics

An attacker at the base of a castle wall 3.95 m high throws a rock straight up with speed 5.00 m/s from a height of 1.50 m above the ground. (a) Will the rock reach the top of the wall? (b) If so, what is its speed at the top? If not, what initial speed

vidal bought 2 pizzas and cut each into 8 slices. he and his friends ate 10 slices. write an expression to match the words.

243. ## Statistics Homework Check

Hi! I had this one last question on my homework that I wasn't sure about, but, I need someone to check this for me and see if this is right. Thanks so much! Question: The study that looked at prevalence of various appliance in homes in 2001 made a

244. ## Statistics

Are my answers correct? Thanks! 1.) Based on a survey of a few thousand people, a newspaper reporter wants to draw conclusions about how a country’s citizens in general feel about the war in Iraq. At this point, is the reporter mainly concerned with data

245. ## Social studies

Q: When camping in Yosemite, capers need a bear box to store food. Does each camper have to buy a bear box from a mart? Or can each camper use a bear box in Yosemite national Park for free?

246. ## Physics

A block of mass m is given an initial speed of v along a horizontal frictional track. It travels a distance d and comes to a rest. the coefficient of kinetic friction between the block and the track is ....

247. ## Chemistry 400/ Chem 1A

A chemist mixes 5.216 g of potassium permanganate, 2.318 g of ethanol, and excess sulfuric acid. These chemicals react as follows: 4 KMnO4 + 5 C2H5OH + 6 H2SO4 ---> 4 MnSO4 + 5 CH3COOH + 2 K2SO4 + 11 H20 What mass of sulfuric acid is consumed in this

248. ## World History Answer Check

1. What were the major beliefs of Judaism and how did they influence Western culture? A: The major beliefs of Judaism were monotheism and righteousness. These Jewish beliefs became markers of the Western tradition: human beings are separate from nature and

249. ## Physics Help Urgent Please!!!

A crane is used to lift air conditioning units to the top of a 5-story building. Each story is 3.5 m high. The crane accelerates the units while lifting the units past the first story and then lifts them at a constant velocity past the second through

250. ## Physics Help

An airport tram carries passengers between two terminal buildings 500 m apart. The tram starts from rest and accelerations at 1.5 m/s^2 for 20 m. It then travels at a constant velocity for 450 m. Finally, it slows down for 30 m at an acceleration of 1

251. ## real no

Prime factors of 23150 . It is unique

252. ## Organic Chemistry

Label each reactant according to it role or roles in the chemical reaction? Two different (OH-) + (HBr) ----> (HOH) + (Br-) (OH-) + (H3CBr) ----> (H3COH) +(Br-) Lewis base, bronsted base, nucleophile, lewis acid, bronsted acid, nucleophile

253. ## statistics

5. A soft drink dispensing machine uses paper cups that hold a maximum of 12 ounces. The machine is set to dispense a mean of 10 ounces of the drink. The amount that is actually dispensed varies. It is normally distributed with a standard deviation of one

254. ## math

The differnce of two numbers is 2 the difference of their squares is 20 find the numbers

255. ## French

How do I say I want to interact with you informally in French?

256. ## math

amos has 12 action , 15 comedy,. and 9 drama dvds, find the ratio of action dvds to the total number of dvds.

Consider the following function. g(x) = 6x^4 − 13x^3 − 144x^2 + 325x − 150 (a) Use the zero or root feature of a graphing utility to approximate the zeros of the function accurate to three decimal places. (Enter your answers as a comma-separated

258. ## Math

You deposit $100 at the end of each quarter in a sinking fund earning 4% compounded quarterly. How many quarterly deposits must you make in order to reach your goal of saving$10,000? Round your answer off to the nearest whole number.

259. ## Biology

The function of a protein is determined by its ? Answer: shape The shape of a protein is determined by the ? of its ? ? First answer : ? Second two answers : primary structure

260. ## Physics

You snap your fingers at the open end of a 1 meter long tube that is closed at the other end. With a microphone at the open end, you determine that it takes 5.8msec between the time you snap your fingers and the echo from the closed end is detected. Based

261. ## history

what drove many artisans out of business

262. ## Physics

Stephanie serves a volleyball from a height of 0.78 m and gives it a initial velocity of +6.6 m/s straight up. (1): How high will the volleyball go? The acceleration of gravity is 9.81 m/s^2. (2): How long will it take the ball to reach its maximum height?