# Questions Asked onFebruary 22, 2012

1. ## chemistry

At a given temperature, you have a mixture of benzene (vapor pressure of pure benzene = 745 torr) and toluene (vapor pressure of pure toluene = 290 torr). The mole fraction of benzene in the vapor above the solution is 0.590. Assuming ideal behavior,

2. ## chem11

Suppose you have a large supply of sponge balls with weights in the centre, so that when the balls are piled on each other the bottom ones are flattened. Sketch a graph that generally describes mass vs. volume for these sponge balls. Also, would weighted

3. ## Physics

An astronaut is inside a rocket that is blasting off vertically from the launch pad. You want this rocket to reach the speed of sound (331 m/s) as quickly as possible, but you also do not want the astronaut to black out. Medical tests have shown that

4. ## geometry

Assume triangle JKL is in the first quadrant, with the measure of angle K = 90°. Suppose triangle JKL is a 30°-60°-90° triangle and segment JK is the side opposite the 60° angle. What are the approximate coordinates of point L? j(2,7) k(2,2) a(4.9,2)

5. ## algebra

A cylinder has a radius of 4x + 2 and a height of 5x + 4. Which polynomial in standard form best describes the total volume of the cylinder? Use the formula v = pi r^2 h for the volume of a cylinder.

6. ## science

a =vf-vi/t is the equation for calculating the acceleration of an object. Write out the relationship shown in the equation, using words.

7. ## Physics

In a water park, people walk a distance of 20 meters up an inclined ramp before getting on a water slide. If the spot from where they start sliding down is located 7 meters above the water’s surface, calculate the angle of the ramp with the horizontal.

8. ## Physics

Two water jets are emerging from a vessel at a height of 50 centimeters and 100 centimeters. If their horizontal velocities at the point of ejection are 1 meter/second and 0.5 meters/second respectively, calculate the ratio of their horizontal distances of

9. ## Physics

A Martian rover is moving up a hill sloped at 30.0° with the horizontal. If it has a constant velocity of 1.50 meters/second, calculate its vertical displacement after 21.0 seconds.

10. ## Physics

A train moving at a constant speed on a surface inclined upward at 10.0° with the horizontal travels a distance of 400 meters in 5 seconds. Calculate the vertical velocity component of the train during this time period.

11. ## physics

Janet wants to find the spring constant of a given spring, so she hangs the spring vertically and attaches a 0.42 kg mass to the spring's other end. If the spring stretches 4.0 cm from its equilibrium position, what is the spring constant?

12. ## geometry

Assume triangle JKL is in the first quadrant, with the measure of angle K = 90°. Suppose triangle JKL is a 45°-45°-90° triangle and segment JK is one of the legs. What are the coordinates of point L?

13. ## Early American Literature

I had to read an excerpt from Ralph Waldo Emerson's "Self-Reliance". My assignment is to answer uestions about it. The uestion I am stumped on is: How important is Emerson's use of the adjective "foolish" in his discussion of consistency?

96. ## math

Joes electric made 19 customer calls last week and 24 calls this week, How many calls must be made next week in order to maintain an average of at least 21 calls per week for the three week period?

97. ## physics

A racetrack has the shape of an inverted cone, as the drawing shows. On this surface the cars race in circles that are parallel to the ground, and the surface is at an angle θ = 25°. For a speed of 27 m/s, at what value of the distance d should a driver

98. ## chemistry

A sample of a gas in a ridge container at 30.0 c has a volume of 2.00L. If its temp increased to 40.0 C What will the new volume be?

99. ## US HISTORY

what laws were passed because of temperance movement. Or what did the government do because of the temperance movement (Prohibition era). Thanks!

100. ## Statistics

In a survey of 302 people, the following data were obtained relating gender to political orientation: Republican (R) Democrat (D) Independent (I) Total Male (M) 85 43 37 165 Femal (F) 43 79 15 137 Total 128 122 52 302 What is the probability that the

101. ## chemistry

How many milliliters of 0.729 M NaOH are needed to prepare 150.0 mL of 0.122 M NaOH? 25.1 mL

102. ## computers

what is a link from one thing to another used to enhance usability? I say interface

103. ## math

jasmine bought 26 pieces of fruit.she bought 6 oranges.she bought twice as many apples as oranges,and twice as many oranges as bananas.she also bought some pears.

104. ## Physics

a small sphere whose m mass is 1.0 mg carries a charge q of 2.0*10^(-8)C. It hangs from a silk thread that makes an angle of 30 degrees with a large charged nonconducting sheet as in figure. Calculate the uniform charge density σ for the sheet

105. ## Physics

A thin condicting spherical shell of outer radius 20cm carries a charge of +3 muC. Sketch (a) magnitude of the electric field E and (b) potential V versus the distance r from the center of the shell.

109. ## chemistry

25.6 {\rm mL} of ethanol (density =0.789 {\rm g}/{\rm mL}) initially at 8.0^\circ {\rm C} is mixed with 39.5 {\rm mL} of water (density = 1.0 {\rm g}/{\rm mL}) initially at 23.1^\circ {\rm C} in an insulated beaker. Assuming that no heat is lost, what is

110. ## PHYSICS

A free electron and a free proton are exactly 1.0 com apart. Find the magnitude and direction of (a) the acceleration of the proton and (b) the acceleration of the electron.

111. ## Physics

A car with a mass of 1380 kg is moving around a curve with a radius of 50 m at a constant speed of 25 m/s (about 56 MPH). (a) What is the centripetal acceleration of the car? 1 m/s2 (b) What is the magnitude of the force required to produce this

112. ## Chemistry

How do you draw a lewis dot structure of s3o

113. ## Chemistry

A student must prepare 2.00 L of 0.100 M Na2CO3 (106 g/mol) Which is the besst procedure for preparing this solution ?

114. ## Chemistry

A 30.00-mL sample of weak acid is titrated with 0.0167 M NaOH. At the endpoint , it is found the 40.35 mL of titrant was used. What was the concentration of the weak acid ?

115. ## history

who is considered the primary author of the declaration of independence

123. ## Chemistry

How many liters of chlorine gas can be produced when 0.98 L of HCl react with excess O2 at STP?

129. ## Physics

When a 0.50 kg-object is attached to a vertically supported spring, it stretches 0.10 m from the equilibrium position. Find k for the spring.

130. ## MATH

√5sec²x-2secx=5 i have to solve this equation on the interval [0, 2π).

131. ## to mRS.SUE

BUT I DON'T UNDERDSTAND HOW YOU EXPLAIN IT!SO FOR MATH,THE ANSWER IS 20?HOW DID YOU GET THAT ANSWER?I NEED AN EXPLANATION!

132. ## Physics(2)

A crane is holding a bloc of metal of 10 000kg. If the crane's arm weights 1000kg and is 10,0m long, what is the tension in cable a and how big is the force exerted on the pivot of the cranes arm. the cable passes through the top of the cranes arm and then

133. ## ENGLISH ESSAY

Could you plz help me to check if these two essays have thesis and thesis development? ESSAY 1:There has been much discussion over the maximum population capacity of our world today. This paper analyzes how agroecology has been a major benefit to society

134. ## Psychology

The means of travel within and between neurons is different becuase: a. eletrial signals move impulses within the neuron, while chemical signals move the impulses between neurons. b. chemical signals move the impulses within the neuron, while electrical

135. ## CHEM

Why are gamma rays generally not shown when writing nuclear equations ?

136. ## math

Joe needed two boards measuring 1 foot 9 inches and 3 feet 5 inches to complete his project. He wanted to find a total of the amount of wood he would need to buy? How would I simplify this?

137. ## geometry

The surface area and volume of a cube is the same numeric value. Calculate the side length.

138. ## physics

A 0.40-kg block slides along a small track with elevated ends and a flat central part. The flat part has a length L = 1.84 m. The curved portions of the track are frictionless, but for the flat part the coefficient of kinetic friction is 0.132. The block

139. ## geometry

The surface area of a right rectangular prism is 112 sq units. The height is twice the width. The length is 4 units more than the height . Find the volume.

140. ## Trig (Last URGENT)

sin2x+cosx=0 , [-180,180) = 2sinxcosx+cosx=0 = cosx(2sinx+1)=0 cosx=0 x1=cos^-1(0) x1=90 x2=360-90 x2=270 270 doesn't fit in [-180,180) what do I do? Or maybe I did something wrong. sinx=1/2 x1=sin^-1(1/2) x1=30 x2=180-30 x2=150 is this correct? Please and

141. ## trig

How king i find theta if the formula is cot(2theta) = 7/24?

142. ## physical science

find the mass of sodium chloride formed when 6.9g of sodium burns in a gas jar filled with chlorine gas.

HOw much Nacl (MW= 58.44g) would you need to !@#$%^& to a solution if you wanted to make 100 ,mL of 4* 10 to the -3 M NaCl? asked by Amber 144. ## PHYSICS help please Two small charged balls have a repulsive force of 0.12 N when they are separated by a distance of 0.85 m. The balls are moved closer together, until the repulsive force is 0.60 N. How far apart are they now? asked by Kayla 145. ## physics A centrifuge is a device in which a small container of material is rotated at a high speed on a circular path. Such a device is used in medical laboratories, for instance, to cause the more dense red blood cells to settle through the less dense blood serum asked by Natasha 146. ## math Factor completely: 36t^2 + 49 - 84t asked by Lisa 147. ## Physics suppose that the charge on the electron and proton did not have the same magnitude but instead differed by one part in 10^10. What would be the net charge on a 1.0 kg sample of helium gas? asked by Luke 148. ## physics Joe has a weight of 850 N (about 193 lb) when he is standing on the surface of the Earth. What would his weight (the gravitational force due to the Earth) be if he tripled his distance from the center of the Earth by flying in a spacecraft? asked by Mina 149. ## physics A Chinook (King) salmon (Genus Oncorynchus) can jump out of water with a speed of 5.95 m/s. (See Problem 4.9, page 111 for an investigation of how the fish can leave the water at a higher speed that it can swim underwater.) If the salmon is in a stream asked by micheal 150. ## Math How long will it take for the population of a certain country to double if its annual growth rate is 3.9% asked by Anonymous 151. ## chemistry How many liters of 0.101 m NaCl contains 1.70 mol of this salt? Assume this solvent is H2O. Answer in units of L I do not understand what i am looking for or how to solve for it. Steps would be appreciated. asked by kelly 152. ## math Louis and his family are going to the zoo. The price of a bus ticket is$1.00, but the family has some coupons. If Louis pays full price, his wife pays 2/3 of the regular price, and the two children pay 1/2 of the regular price. How much will it cost for

A job application letter is effective in convincing the reader that an applicant is knowledgeable of the company by? a.)providing relevant evidence from what the applicant has done in the past to support claims that this person can do the job.

154. ## geography

1. What country is due south of Egypt? Sudan 2. Is Phnom Penh or Hanoi the capital of Vietnam? Hanoi 3. Besides the Soviet Union, what other country borders the world's largest lake? Iran 4. What river runs west to east across the northern part of Italy?

155. ## physics

The driver of a 1300 kg car, initially traveling at 10.1 m/s, applies the brakes, bringing the car to rest in a distance of 16.5 m. (a) Find the net work done on the car. (b) Find the magnitude and direction of the force that does this work. (Assume this

156. ## English

Could you please tell me if the following verbs can take the -ing form in the examples below? I included a sentence I need to write in an email. 1) I'm smelling the perfume of the flowers. I'm testing a red wine. 2) I'm hearing him coming (I think you can

157. ## math

The 2000 Paralympics (Parallel Olympics) were held in Sydney, Australia. Ticket sales for all events totaled over 1.11 × 106. Of the total ticket sales, 8.84 × 105 were sold as day passes, and 2.24 × 105 were sold as reserve seating for the opening and

158. ## math

Assume that the playbook contains 10 passing plays and 12 running plays. The coach randomly selects 8 plays from the playbook. What is the probability that the coach selects at least 3 passing plays and at least 2 running plays?

159. ## math

factor the trinomial. 1. m^2-7m-30 2. z^2+65z+1000 3.x^2-45x+450 4.d^2-33d-280

160. ## chemistry

a 0.25-g sample of a liquid was vaporized at 100 degree celcius. the vapor occupied 125ml under a presure of 0.96 atm. what is the molecular weight of the liquid?

161. ## Living ENvironment

Where is the Enzyme/substrate complex

162. ## math

identify the property that it shown. 2*8*5=2*5*8

163. ## Statistics

Find t-value for sample size n = 16 and area to the right 0.10

164. ## Science

what fraction of chlorine-36 remains undecayed agter 200,00 years?

165. ## computers

what is it called when websites that look like legitimate sites are used to collect private information for malicious purposes? I say phishing

166. ## math

One estimate for the distance from earth to the andromeda galaxy is 2,400,000 light years. What is this distance expressed in scientigic notation?

167. ## Math

Mr.Zhao sells lemons Lemons 1 for $1 or 12 for$6 Joseph wants to buy 27 lemons from Mr.Zhao. What is the least amount of money Joseph should have to pay him? A.$27 B.$24 C.$15 D.$12 C?

168. ## to ms. sue

THANK YOU! NOW I GET IT.TELL ME, ARE YOU A TEACHER?WHAT SCHOOL DO TO TEACH?YOU REALLY HAVE THE PATOENT BECAUSE I ASKED YOU A MILLION TIMES AND YOU STILL TEND TO HELP ME!!!

169. ## math

Three pennies are tossed into the air.What is the probability they will match either heads-heads-heads or tails-tails-tails when they land?

170. ## English

Could you please check these few sentences? Thank you 1) I've been a Tim subscriber for two years. I top up my mobile every two weeks. I recharge it every evening. 2) I keep in touch with my friends by sending them email and by chatting on Facebook. 3) I

171. ## Trig Help (URGENT)

Solve over the indicated interval: 2sin^2x=sqrt2sinx , [-180,180) don't how to get x by itself please help and thank you

172. ## physics

Find the length of a pendulum that oscillates with a frequency of 0.19 Hz

173. ## Physics

A wheel 1 meter in diameter is rotating at 100 revolutions per minute without slipping along a level stretch of road and passes mile marker 0 at 12:00 noon. it continues past mile marker 0 for 10 minutes and then has a period of angular acceleration of

174. ## English - Ms. Sue

For my slideshow I had wrote down - - Jake draws away from everyone. But corrected it to withdraw, so would that be like - -Jake withdraws away from everyone, or Jake withdraws from everyone? I also wrote - - to act positive and move on, but she corrected

175. ## statistics

Find the number z that satisfies the proportion of the observations in a standard normal distribution less than z is 30%?

176. ## pysics 1

You ride your bike along a straight line from your house to a store 1030 m away. On your way back, you stop at a friend's house which is halfway between your house and the store. a) What is your displacement? Tries 0/5 b) What is the total distance

177. ## division facts

If 44/4=11, what is 44/11? Explain?

178. ## Physics

A 0.495-kg mass is attached to a horizontal spring with k = 108 N/m. The mass slides across a frictionless surface. The spring is stretched 33.3 cm from equilibrium, and then the mass is released from rest. Find the speed of the mass when it has moved 4.79

179. ## economics

Complete the following table for the firm below which is selling its product in a perfectly competitive market and hiring labor in a perfectly competitive labor market. MARGINAL WORKERS TOTAL MARGINAL PRODUCT REVENUE HIRED PRODUCT PRODUCT PRICE PRODUCT 1

180. ## social study

What are some major turning point in vietnamese history leading up to world war 2

181. ## Calculus

a ladder is 20 feet long and its top is slidding at a constant rate of 2 feet per second. How fast is the bottom of the ladder moving along the ground when the bottom is 16 feet from the wall?

182. ## education

What types of hardware are available in K-12 classrooms today? Which ones would you consider essential for students' learning? Explain.

183. ## BIOLOGY

The doubling time of a type of bacteria is 35 minutes. If every bacterium reproduces, then after 35 minutes a population of 64 bacteria will have grown approximately to what size?

184. ## calculus

1.) values of f(t) are given in the following table: t 0 2 4 6 8 10 f(t) 137 112 88 68 49 34 a. Does this function appear to have a positive or negative first derivative? Second derivative? * I think both derivatives are negative b. Estimate (f prime) f^'

185. ## college physic

Liquid helium is stored at its boiling point temperature of 4.2K in a shperical container(r=0.30m).The container is a perfect blackbody radiator.The container is surrounede by a sherical shield whose temperature is 77k.A vacuum exists in the space between

186. ## physics

A Chinook (King) salmon (Genus Oncorynchus) can jump out of water with a speed of 5.95 m/s. (See Problem 4.9, page 111 for an investigation of how the fish can leave the water at a higher speed that it can swim underwater.) If the salmon is in a stream

187. ## chemestry

Calculate [OH^ - ] for strong base solution: 14.0 mL of 1.20×10−2 M Ca(OH)_2 diluted to 430.0 mL.

188. ## Chemistry

N2(g) + O2(g) --> N2O5(g) (a) Consider the unbalanced equation above. What is the maximum mass of N2O5 that can be produced when 43.0 g of N2 and 43.5 g O2 react?

189. ## chemistry

Calculate the mass of solvent that would contain 3.0 mg of a drug if the concentration was 3.5%

A job application letter is effective in convincing the reader that an applicant is knowledgeable of the company by? a.)providing relevant evidence from what the applicant has done in the past to support claims that this person can do the job.

191. ## physics

Use the fact that a typical proton is spherical and has a diameter of 1x10^-13 cm and a mass of 1.67x10^-24 grams, compute density of a proton.

1.) values of f(t) are given in the following table: t 0 2 4 6 8 10 f(t) 137 112 88 68 49 34 Estimate (f prime) f^' (2) and f^' (8) Please show work so I can understand. I'm really stuck. if the table comes out messed up, the values are: (0, 137) (2, 112)

193. ## math

the teachers and parents will make 4 large pots of soup for dinner. about how many servings willeach pot need to contain to feed 85 students,4 teachers,and 6parents?

194. ## physics

Given x(t) = xm cos 2ðt/T for a spring with constant k and attached mass m sketch as a function of t, (a) the displacement x, (b) the velocity v, (c) the acceleration.

195. ## Animal Behavior

If someone could give me an example of when developmental homeostasis works in an animal, and when it doesn't. Thanks!!!

196. ## science

a car starts from a stop. at the end of 30 seconds its speed is 20 meters per second. what is the acceleration of the car?

197. ## Chemistry

I think I have the answer to this question but need some help! Display the final answer in correct scientific notation and show correct number of significant figures in the final answer: 6.0223010000 x 10-24 x 2.222090001 x 10-30

198. ## Math

Simplify each expression. Write answers in standard form. a. (4d-6)(-3d) b. 5g(g^2-2g+1) c. (-2q^2+q+3)-5(q^2+2q-1)

199. ## Math

Simplify each expression. Write answers using positive exponents. a. (7x^2y^3)(-2xy) b. (a^2b^3)^-1(a^2b^3) c.(-4m^3)^2

200. ## Geometry

Use a paragraph proof to prove: if two lines and a transversal form corresponding angles that are congruent, then the two lines are parallel.

Model the data using an exponential function f(x) = Ab^x. x ,0 ,1 ,2 f(x) ,800 ,480 ,288 Like 800-480=320 and 480-288=192 How do I find the exponential form? Thank you.

202. ## Pre-Cal (polynomials)

Look at the right end behavior of each function )\(as x -> infinitey). what about the function determines whether its graph wil point up or down on the right-hand side?

203. ## pre-algebra

solve 26-3*2 ____________ 4^4 + 3^4

204. ## chemistry

Calculate the molarity of each. a. 1.50 mole of NaCl in 8.00 L of solution 0.188 M NaCl b. 270 mg of NaCl in 3.00 mL of solution 90 M NaCl

205. ## Math

State the slope and y intercept for the graph of each equation. y=x+2

206. ## chemistry

If 19.7 g of CaCl2 are present in 200 mL of aqueous solution, what is the concentration in terms of the following? a. molarity 100 M CaCl2 b. weight/volume percent 0.1 % (w/v) c. parts per thousand 100 ppt d. parts per million 10E4 ppm e. parts per billion

207. ## Algebra 1

1. m^2 - 7m - 30 2. z^2 + 65z + 1000 3.x^2 - 45x + 450 4.d^2 - 33 d - 280

208. ## biology tutor on jiskha

i post my biology questions here today and few days ago no teacher reply. there not any biology tutor on here?

209. ## hcs/341

What are five recruitment strategies or methods..need to create a matrix. thanks..

210. ## History

What was the non-importation movement? Is this right? What does no taxation without representation mean? We will only pay taxes that our representatives in a House or Assembly [or similar body] have approved and passed into a law

211. ## English

Could you please check if everything is OK? Thank you very much. 3) Put the following into indirect speech using a suitable reporting verb (10) 1) “Would you like to have dinner with me on Saturday?”, he said to me. He invited me to have dinner ... 2)

212. ## English

Here is the second exercise I'd like you to check. Thank you, Writeacher. 1.I am used to (read) __(reading)________till late. 2. The manager would like (speak) _(to speak)_________ to his secretary. 3. I remember (go) ___going_______ to primary school by

213. ## Trigonometry (Help and Check)

Evaluate (exact answers): a) sin^-1(cos30) Need help. What do I do? b) sin[(cos^-1((sqrt2)/(2)))+[(sin^-1((sqrt2)/(2)))] = sin(45+45) = sin90 = 1 Is this correct? c) cos(arctan5/7) = 7/(sqrt74) = (7sqrt74)/74 Is this correct? Please and Thank you!

214. ## Calculus

An object moves in a straight line. Its velocity, in m/s, at time t is v(t)=4t^2/(4+t^3), t>(greater or equal)0. Determine the maximum and minimum velocities over time interval 1

The interviewer wants to know why you got a D in all your English classes until this year, when you got a B. Your best response is A- “I had problems writing and never thought it was important. Then, I realized that it is important, so I got myself a

216. ## Algebra

Can you help me set this problem? it is as follows, "Find three consecutive odd integers such that their sum is 5 more than four times the larger."

217. ## geometry

The surface area to volume ratio of a cube is 2 to 5. Find the length of each side.

218. ## physics 1

The position of a particle moving along the x-axis is given by x = 3.49t2 – 2.21t3, where x is in meters and t is in seconds. What is the position of the particle when it achieves its maximum speed in the positive x-direction?

219. ## Chemistry

What is the net ionic equation for the reaction that occures between nitrouse acid and strontiun hydroxide ?

220. ## pysics 1

You are walking on a moving walkway in the airport. The length of the walkway is 40.1 m. If your velocity relative to the walkway is 2.41 m/s, and the walkway moves with a velocity of 1.59 m/s, how long will it take you to reach the other end of the

Which of the following is NOT recommended when considering or accepting a job offer A- Make your acceptance contingent on a written offer. B- Accept the position immediately if you are offered the job at the end of the job interview C-Notify other

222. ## math

factorise 6m squared - 600

223. ## Physics

How do you calculate distance with an angular acceleration and a time?

224. ## Chemistry

Biphenyl, C12H10, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6. At 25 °C, the vapor pressure of pure benzene is 100.84 torr. What is the vapor pressure of a solution made from dissolving 18.9 g of biphenyl in 26.4 g of benzene?

225. ## biology

Discuss the concept of species What ways do modern taxonomists use to distinguish different species?

226. ## Calculus

An object moves in a straight line. Its velocity, in m/s, at time t is v(t)=4t^2/(4+t^3), t>(greater or equal)0. Determine the maximum and minimum velocities over time interval 1

227. ## Math

In a triangle the two larger angles differ by 10 degree. The smaller angle is 50 degree less than the largest angle. Find the measure of each angle. Just searching help on how to set it up.

228. ## physics

When measuring kinetic friction, why is it necessary to move at a constant velocity?

229. ## algebra

if the fence around a rectangular field is 3000 feet,write a relationship for the length l of the field and its w.

230. ## college physic

Liquid helium is stored at its boiling point temperature of 4.2K in a shperical container(r=0.30m).The container is a perfect blackbody radiator.The container is surrounede by a sherical shield whose temperature is 77k.A vacuum exists in the space between

231. ## statistics

Assume that IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Assume 1000 freshmen took the test.

232. ## highschool bio

Cells are specialized in structure to match their function. Compare cell specialization in gametes with other examples of cell specialization.

233. ## physics

How many joules of potential energy does a 1.5 kg book gain when it is elevated 4.2 m?

234. ## Thermodynamics

Consider a system consisting of two glass bulbs, each with volume V, and each containing n moles of gas. Bulb A contains nA moles of A and bulb B contains nB moles of B (a different gas), nA = nB. The bulbs are connected by a closed stopcock. The stopcock

235. ## science

The somatic cells of a dog contain 78 chromosomes. Which of these is false? a) the diploid number is 78 b)the haploid number is 39 c) sperm produced by a dog contains 39 chromosomes d) a cell in metaphase of mitosis contains 78 chromosomes e) a cell in

236. ## TO MS.SUE

DECREED MEANS TO CAMMAND.IMPLORE MEANS TO BEG.NOW IM IMPLORING YOU FOR YUOR HELP! I DON'T GET THE QUESTION!

237. ## English

Writeacher,I have a question on the sonnet I rephrased yesterday. I hope you can check it. "And summer's green all girded up in sheaves, Borne on the bier with white and bristly beard..." He sees the summer's crops tied (up is possible) in bales and taken

238. ## English

Writeacher, where shall I "who"instead of which" in the sentence below? Thank you. 1) In all revenge tragedies a sexual or violent crime is committed against a family member of the hero, which (stands for the "crime") for various reasons cannot be

239. ## English

Could you please check if all the sentences are correct? Thank you. 1) To start with, I’ll have a tomato salad. I couldn’t help crying. I’m worried about Brian’s getting low marks at school. 2) He admitted eating all the biscuits. I couldn’t do

240. ## Medical Language

How will Medical Language be helpful in the future?

241. ## math

What is the rule for this sequence? 72 , 63 , 54 , 45 , 36 Each number in the sequence is 10 less than the previous number. Each number in the sequence is 9 less than the previous number. The sequence decreases by multiples of 9. First by 9, then 18, then

242. ## physics

When only the front wheels of an automobile are on a platform scale, the scale balances at 7.8 kN; when only the rear wheels are on the scale, it balances at 5.5 kN. What is the weight of the automobile? How far is its center of mass behind the front axle?

Which of the following should you NOT do in the close of a job interview A-Give a final explanation for a weakness that you have B-Show enthusiasm for the job C-Summarize your accomplishments and strengths D-smile and relax the answer is A the answer is A

244. ## horizontal displacement physics

how do we find horizontal displacement in physics?

2/7n+n=5/9

246. ## chemistry

Potassium iodide (KI) is used to treat iodine deficiencies. What is the %(w/v) of a 55 mL solution containing 1.3 g of KI? 0.024

256. ## english

Does Victor have an obligation to the monster in Frankenstein? Why?

257. ## History

Why did Jame Otis oppose writ of assistance?

258. ## Science/geology

Why does the Red River flow north, and the Mississippi River flow south?? I think it has something to do with elevation.. but I'm not sure.

259. ## Organic Chemistry

Is there a systematic way to get all the boat conformations? I can get all of the chair conformation for, say, cyclohexanol, but can't figure out the boat conformations.

260. ## Math

Simplify each expression. Write answers using positive exponents. a. (7x^2y^3)(-2xy) b. (a^2b^3)^-1(a^2b^3) c.(-4m^3)^2

261. ## grammar

Is concerned an adjective in the following sentence.The village was concerned about the lack of water.

262. ## social studies

How did religon affect social order in Sumer?

263. ## math

Ayita has the coupon shown below Buy 10 or more quarts of paint and take $8 off your total order Ayita will buy 12 quarts of paint. Each quart of paint cost$10.95. Which number sentence can be used to find how much Ayita will pay for the paint if she uses

264. ## computers

:0 is an example of internet slang. I say true

265. ## politics?

what is gm bailout?

282. ## Vocabulary

What does intuitive mean?

283. ## English

Would another past tense from be has ran or what would you combine with had, has, or have for past tense?

285. ## Math

The table shows the total number of emails that the Wright family received this morning Member Mr.Wright Mrs.Wright Cole Trinity Emails 7 8 3 3 Mr.Wright=7 emails Mrs.Wright=8 emails Cole=3 emails Trinity=3 emails If the family receives 7 more emails,which

286. ## math

I have a rectangle w/ 20 boxes in it what would 1/5 of the boxes be?

287. ## physics

A hot-water heater is operated by solar power. If the solar collector has an area of 5.8 m2 and the power delivered by sunlight is 550 W/m2, how long will it take to increase the temperature of 1.0 m3 of water from 24°C to 59°C?

288. ## geometry

How would you complete the table? number of sides: 3, 4, 5, 6 measure of angle: 60, 90, B, C sum of angle measures:180, A, 540, D a:A = 120º; B = 360º; C = 180º; D = 1080º b:A = 210º; B = 180º; C = 270º; D = 720º c:A = 360º; B = 108º; C = 120º;

289. ## social work

What are some of the issues that need to be addressed in the hiring of competent staff in working with people with disabilities? I am only finding information about employing those with disabilities. How do I phrase this question to Google or ideas where

290. ## information literacy

which of the following types of documents are considered primary sources?

291. ## College Algebra 1050

Assume you are on a planet with a gravity constant g (instead of 32 feet per second squared) and a speed of sound c (instead of 1100 feet per second), and that you hear the impact of the rock after t seconds. Then the depth of the well is x feet, where

292. ## Living ENvironment

In a hydrolysis reaction (enzyme) the bonds in substrate are weakened right always

After the interview but before the job offer, it is NOT appropriate to A- phone the company you interviewed with. B-send a follow-up letter. C- inquire about the salary and benefits. D- respond to an e-mail query from the employer the answer is A OR B

Which is recommended when negotiating for salary and benefits A- Counter a low offer from the company by stating that you would find it difficult to accept the job under the terms offered. B- Ask for what you need to make a comfortable living, regardless

301. ## Math

what is the cube root of -1/64

302. ## Chem

how much energy is required to change 42.5 g of molten aluminum into aluminum vapor

Which should NOT be included as a heading in a chronological résumé? “Experience” if you only have one item to list under this heading “Education and Experience”, because these two items should be listed separately “Honors and Awards”,

304. ## biology what is DNA

why is DNA replication necessary to life?

305. ## Chemistry

Display the final answer in correct scientific notation and show correct number of significant figures in the final answer: 6.0223010000 x 10-24 x 2.222090001 x 10-30 I get this far and then get stuck: 13.3820948351123 x 10 -54

306. ## biology

any site i go onto that be animation site to find out about nucleic acids and protein synthesis? this chapter soo hard. codon, anticodon i need animation.

307. ## MATH

6.8M = HOW MANY CM

A job application letter is different from a resume in that: a.it presents a job candidate's qualification. b.it uses short,parallel phrases and sentence fragments. c.it is adapted to a position rather than to the needs of a particular organization. d.it

309. ## US HISTORY

How Does prohibition era affect today life

310. ## statistics

The data listed below shows the number of hospitals in each state, using the data, complete a frequency table using 8 classes. all the data has been ordered from smallest to largest.

311. ## statistics

The data listed below shows the number of hospitals in each state, using the data, complete a frequency table using 8 classes. all the data has been ordered from smallest to largest.

312. ## Math

how do you post 21/2 and 1 on a graph

313. ## Trig Help

Given that cos2x=7/12 and "270 equal or < 2x equal or < 360", find sinx. Please help and Thank you

314. ## e-Commerce

If I opened a business and was offered \$1,000, should I sell or not? why? Cite the ethical dilemmas.

315. ## chemistry

what are three common ores from which copper can be extracted

316. ## chemistry

Calculate the mass of solute in a 10% salt solution if the mass of the solvent is 350 grams.

317. ## physics

A hydraulic jack is used to move an 8896 Newton car. If the area of the output piston is 8 times that of the input piston, how much force is required to lift the car?

318. ## photo

And you call me a geek? Shuh. I'm tnnkhiig you're Supergeek.Reply by on August 27th, 2009 at Thursday, August 27, 2009 @ 1:06 pm@Coal Miner's Granddaughter, you own a stormtrooper costume!

319. ## physics

A golfer takes two putts to get his ball into the hole once he is on the green. The first putt displaces the ball 8.10 m east, the second 6.00 m south. What displacement would have been needed to get the ball into the hole on the first putt?

320. ## chemistry

how does the electrolyte paste in a battery work

321. ## US HISTORY

Where did Prohibition Strongly take place and what were the major developments

322. ## physics

Einstein saud that the amount of energy in matter is given by E=mC^2 where if m is in kilograms and c=3x10^8 which is the speed of light. The energy is E is given in Joules. Assuming that is takes an average of 1x10^11 Joules to heat your house during the

323. ## maths

let f(x,y)=sqrt (1-x^2-y^2) where x^2+y^2

324. ## english

Hi, I have to compare the story Young Goodman Brown to some modern day song or movie or television show (some form of entertainment). Do you have any ideas I could use?

325. ## Essay Check

This is a paragraph in my essay. Please tell me if this makes any sense. (basically I want to save money by earning a quality and cheap education so I can save money to be able to open a free clinic to help people) >>>>>>>>>>>>>>>> By attaining education

326. ## US HISTORY

describe the Indian Removal Act of 1830

327. ## ecology

how has the eucalyptus tree adapted to the australian environment

328. ## calculus

integral from 1 to e^5 1/(x(sqrt4+lnx))dx

329. ## math

use I and a dot to show the number 52

330. ## Physics

A satellite moves on a circular earth orbit that has a radius of 6.4 106 m. A model airplane is flying on a 23-m guideline in a horizontal circle. The guideline is parallel to the ground. Find the speed of the plane such that the plane and the satellite

331. ## Calculus

Find the derivative of y = ln |cos(ln)|. I got -tan(ln x)/x, is this correct?

Today many employers expect interviewees to do more than just answer standard questions including all of the following except .defer to the hiring company to take control of the interview process B.provide samples of work they woukd likey do in the job.

333. ## MATH !!!!!!!!!!

IN MR.MAROLE'S CLASS, THREE FOURTH OF THE STUDENTS TAKE MUSIC LESSONS.THAT IS, 15 STUDENTS TAKE MUSIC.HOW MANY STUDENTS ARE IN MR.MAROLE'S CLASS?

334. ## algebra

A bump on a DVD needs to be between 0.45 and 0.55 micron wide and 0.95 and 0.99 micron high. write two absolute value inequalities describing the width (x) and height (y) of the bump.

335. ## algebra

A typical DVD can store between 137.9 and 142.1 minutes of data before it is considered full. write an absolute value inequality describing the minutes of data (w) a full DVD will hold.

IF SOMEONE IMPLORED YOU TO do something, would you be more or less likely to do it,then if he or she decreed you to do that?Explain.

337. ## algebra

A DVD player's laser reader helps to "read" the information on the DVD. A particular laser reader measures 0.56 micron thick. does this fall with the required standards if a company uses |t - 0.03 |

338. ## Physics

Going at an angular velocity of 5.2 rad/sec, how far in kilometers will a car have traveled in 10 minutes? Do I just convert minutes to seconds and multiply or...?

339. ## Math

1. Start with an odd number, e.g. 3. Then the square of 3 can be expressed as the sum of two consecutive numbers, i.e. 32 = 9 = 4 + 5. Therefore the Pythagorean Triples are {3, 4, 5} since 32 + 42 = 52. Generate another set of Pythagorean Triples starting

340. ## Math

How to Generate Pythagorean Triples using an Odd Number 1. Start with an odd number, e.g. 3. Then the square of 3 can be expressed as the sum of two consecutive numbers, i.e. 32 = 9 = 4 + 5. Therefore the Pythagorean Triples are {3, 4, 5} since 32 + 42 =

k/5+3/20

342. ## Biology

Are saltwater gills different from freshwater gills? Please explain to me

343. ## math!

IN MR.MAROLE'S CLAOF THE STUDENTS TAKE MUSICSS, THREE FOLESSONS.THAT IS, 15 STUDENTS TAKE MUSIC.HOW MANY STUDENTS ARE IN MR.MAROLE'S CLASs? explain.

345. ## Physics - Question

I have this number where they give me the coordinates of 3 particles and the mass of each one of them. Afterwards, there's a force applied on 2 of those particles and they ask me to calculate the systems total moment of inertia. But then they ask me this:

346. ## college algebra

what is 5/a-3b/a^2

347. ## statistics

Varsity team try out. Assume the distribution of heights to be normal w/a mean of 64inches & standard deviation of 4 inches. only 15 students passed. how many students joined the try out?

348. ## us history ( 8TH)

at around 1832, was John C. Calhoun, Andrew Jason`s VP????

349. ## MAT 116

Find the slope-intercept equation of the line that has the given characteristics. Slope 8.7 and y-intercept (0,-6)

350. ## Microeconomics

Consider the markets for pizza and fried chicken. Show graphically and explain the impact you would expect if technological change leads to the development of a pizza oven that is both much cheaper and uses less energy than current ovens.

351. ## ECONOMICS

Grocery stores and gasoline stations in a large city would appear to be examples of competitive markets: There are numerous relatively small sellers, each seller is a price-taker, and the products are quite similar. a. How could we argue that these markets

352. ## Math

Landon is working one plans for a 12-acre housing development. A park will cover 2 1/2 acres, and paved areas will take 1 3/4 acres. How many acres are left for home sites??? Please show work, for how you did it

353. ## Organic Chemistry

Do these two names refer to the same compound: N-butylcyclohexylamine vs N-butylcyclohexanamine?

354. ## US HISTORY

What other laws were passed during the prohibition era. (EXCLUDING the 18Th amendment and Volstead act) THANX

355. ## International Buisness

The marketing department is asked to formulate a strategy for disseminating product information on new drug Tigason. As the marketing manager what do you recommend?

356. ## enc

Challenge you might encounter when building a working draft of compare and contrast essay

357. ## Pre-Cal (polynomials)

How does the degree of a polynomial function affect the end behavior?

358. ## math

name two different numbers that are greater than .66 and less than .9

359. ## math

in a survey of 375 people, one fifth of them chose pecan pie as their favorite dessert. To find the number of people who chose pecan pie as their favorite, you can multiply 375 by ____.

2/7n+n=5/9

8--w/10=3/5

363. ## computers

forums and discussion boards are the same thing. I say true

364. ## accounting

You notice that your accounts receivable days have doubled in the first six months of this year. Do you give the A/R Director a bonus or put him/her on probation? Why? Explain fully what questions you would ask the Director about the A/R and why it has

365. ## math

sam spent a total of 5 2/3 hours doing homework. Julia spent 5 5/6 hours doing homework. who spent more time on homework this week?

366. ## chemistry

a 0.25-g sample of a liquid was vaporized at 100 degree celcius. The vapor occupied 125 ml under a pressure of 0.96 atm. What is the molecular weight of the liquid?

367. ## writing

How would you feel if your teacher did not give you a present

368. ## statistics

Sample with size n = 100 has mean = 30. Assuming the population standard deviation is 8, construct 95% confidence interval for population mean.

369. ## statistics

Sample with size n = 100 has mean = 30. Assuming the population standard deviation is 8, construct 95% confidence interval for population mean.

370. ## algebra 2

solve the equation m^6 -64=0

2= 10+z/-3

373. ## math

Susie drew a triangle with angles that measure 47, 43. and 90 degrees. What type of triangle did she draw?