# Questions Asked onAugust 31, 2010

1. ## physics

A person walks first at a constant speed of 4.90 m/s along a straight line from point A to point B and then back along the line from B to A at a constant speed of 2.70 m/s. (a) What is her average speed over the entire trip?

2. ## physics

A person walks first at a constant speed of 4.90 m/s along a straight line from point A to point B and then back along the line from B to A at a constant speed of 2.70 m/s. (a) What is her average speed over the entire trip?

3. ## PreCalc

The area of a parking lot is 805 square meters. A car requires 5 square meters and a bus requires 32 square meters of space. At most 80 vehicles can park at one time. If the cost to park a car is $2.00 and the cost to park a bus is$6.00, how many buses

4. ## Chermistry

if molar enthalpy of vaporization of enthanol is 38.6 kJ/mol, how many moles of ethanol are vaporize when required heat is 200.72kJ

fraction strip folded into 12ths what fractional length could you measure with the strip?

6. ## science

my bedroom air conditioner blows very cold air at night,but only cool air during the day.my bedroom gets lots of direct sunlight all day long.what is your hypothesis

7. ## precalc

Without further study, you forget things as time passes. A model of human memory gives the percentage, p, of acquired knowledge that a person retains after t weeks. The formula is p = (100 – a)e-bt + a, where a and b vary from one person to another. If a

100. ## Chemistry

I have a 2.5g sample in 12.5ml solution.I'm supposed to do a spike into this solution with the sample.If my standard concentration is 2000ppm, how much of this solution should I use such that I get 200ppm spike in sample?

101. ## math geometry

in a triangle, the measure of the first angle is four times the measure of thesecond angle.The measure of the third angle 78 more than the second angle. What is the measure of the first angle?

12r - 4r = 48 what does r equal

103. ## science

if an object has a mass of 210g and a density of 3.3g/cm cubed, what would be the volume of the object?

104. ## Critical Thinking

Which of the following statements is not a claim? A) Life exists on planets other than Earth. B) Dare to stay off drugs! C) Something's force equals its mass multiplied by its acceleration. D) Joe owns a pet dog.

105. ## science

an object has a volume of 74cm cubed and a density of .88g/cm cubed. What is the mass of the block?

106. ## algebra

Hey I am trying to help my son in math. The question is, The scale of a district map is 1 over 10000. Find the distance on the map, in centimeters, for each of the following distances. a) 800m b) 5 km I need to see how this is worked out.

107. ## college

(2x^(2)+7x-15)/(2x^(2)+13x+15)

108. ## Language Arts

Find one error. Window comes from one word that means "wind" and another that means "eye' We buy windows to keep an eye on the wind. We also use them to keep heat in when it's cold out side.

109. ## aed204

• The composition of the faculty, administration, and other staff accurately reflects the pluralistic composition of the United States. • Differences in academic achievement levels disappear between males and females, dominant and oppressed group

Choose one of the organizational departments, such as accounting, finance, HR, and so on of a business. What is the role of this department? What types of information does the department need? How does the department use that information?

111. ## English

Posted by rfvv on Tuesday, August 31, 2010 at 8:19pm. 1. There is a girl who is reading a book with legs crossed on the sofa. 2. There is a girl reading a book with her knees folded and raised on the sofa. 3. There are a dog and a cat sleeping on a big

112. ## math

Factor: 20+22v-12v^2

113. ## social studies

The nations largest city, N.Y. City is located in this region?

114. ## social studies

Baton Rouge and New Orleans are in what region?

115. ## Management

Does anyone have a historical example of an ethical dilemma that deals with global business. Any example will be helpful and I can then google the details. Thx!

116. ## college

lead has density of 11.35g/ml,i have 3.45 cc of lead what is the weight in grams.

117. ## Chemistry

1.25 x10^-5g/ 0.75 moles = Not sure what the ^ stands for

118. ## Psychology

EEG, PET and TMS are all : A) laboratory observations that introduce experimental bias into the study B) Descriptive methods for studying the brain C) Standardized methods for studying the brain D) experimentally controlled technologies for brain-wave

119. ## English literature

Give me information on the evolution of sentimental comedy

120. ## physics

An electric utility company needs to build a new generating plant. What factors should be considered when deciding on the location of the plant? Explain

121. ## psychology

you like to play the violon, but doing so in front of people makes you nervous and you make mistakes, what is influencing your playing?

122. ## algebra

evaluate the expression n + (-5) for each value of n. n=312 i don't know how to do this..please helpp..

128. ## Math

Scott weighed samples of different kind of soil. Sample A weighed 3 ounces. Sample B weighed 814 thousandths of an ounce more than sample A. what decimal should Scott use to record the weight of sample B?

129. ## math

I need real life example word problems using to ngative interjers.

which of the following is an irrational number? A. 1 B. 9/17 C. 0.4166666666 D. Both A&C with showing work please or putting it in to words.

This region is divided into 2 smaller regions-New England and the Mid atlantic states?

132. ## science

Juneau, Alaska has a dry winter season, even though it receives 53.2 inches of precipitation annually. Its average coolest-month temperature is 22'F, and its average warmest -month temperature is a surprising 56'F. What climate is it? a) Humid continental

133. ## math

A 9 percent salt-water solution is mixed with 4 ounces of an 18 percent salt-water solution in order to obtain a 15 percent salt-water solution. How much of the first solution should be used? 1 ounce 2 ounces 3 ounces 4 ounces Explain your answer.

134. ## chem

what is the role of h2so4 during the preparation of FeC2O4

135. ## Math

Solve: 5g² - 13g + 6 = 0

136. ## Botany

1.Which group of plsnt like organisms (think sedentary) is most related to animals? 2. Which group of plants is most related to flowering plants (angiosperms)?

137. ## Biology

One part of the brain if stimulated during adolescence, will form two distint regions. The area of the brain is referred to as: A) the occiptal lobes B) the pituitary glands C) Broca's area D) the parietal Lobe I am unsure of what the answer is, although

138. ## math

Math out of box 1 2 3 4 5 this is called steps(s) 5 9 13 17 21 this is called tiles(t) we know you are adding 4, but what is the rule such as (S X S + 4-1-5)I know its not right so help then right the rule for this.

139. ## science

what is the truth of the sky and ocean being blue?

140. ## domains of development

why it is important to consider each domain in the study of adult development

what does it mean to name the intersection of the planes in a triangular prism

142. ## Algebra 2

Factor by grouping: 30x to the third power-42x square+5x-7=

143. ## algebra

x^2-21x-110 Factor

144. ## algebra 8th

ADD OR SUBTRACT> 5.2-2.5 HOW DO I DO THIS?

145. ## geometry

how do i find the radius of the earth

146. ## math

I need help on finding out the answer for this problem -2y-11=-12

147. ## business and tecnology class

Which economic system is the best olution to hanling a crisis of epic proportion.

148. ## math

how can I simplify 4lb 7oz,3lb 11oz,5lb 8oz?

149. ## math

okay what is a right angle triangle that has the letter k and L in the middle I know it's 90 degrees angle but I don't know forsure what i'm doing

150. ## Algebra

Factor: 2x^8y^6+16x^6y^5+12xy

151. ## Algebra1

Factor: 56w^2+17w-3

152. ## English

1. Sometimes he painted in his studio based on the sketches he drew outside. 2. Based on the sketches he drew outside, sometimes he painted in his studio. 3. Being based on the sketches he drew outside, sometimes he painted in his studio. 4. As he was

153. ## ALGEBRA :)

GIVE THE AREA OF THE FIGURE DESCRIBED. RECTANGLE; L=12CM , W=5CM HOW SHOULD I GET THE RESULT?

I need to make a 11, 12, and 13 letter word using these letters:d,i,s,m,u,u,n,t,c,a,r,e,e,g

155. ## social studies

The Grand Canyon is in what region?

156. ## algebraa

find the length of the third side of the triangle perimeter=12 3cm 4cm

157. ## science

What climate does this place have? Warmest month average 58'F Coldest month average: -2'F Average rainfall: 38 in / yr Vegetation: Evergreen Forest a) Temperate b) Polar c) Cold d) Dry I PICKED c

how do you do a algebraic experssion?

159. ## Algebra 8th

I Was Looking at The ProBlems of Paloma and i thing we have the same HW. so can You HelP Me On This? n=5.75

160. ## 3 English H

How can I illustrate the word "aberration"?

161. ## college algebra

10+2[2+(1+1)-2^2]

162. ## math116

I need help with 3(x-1)+5=15x +7-4-4(3x+1)+ 3

163. ## chemistry

Pb w/D of 11.35g/ml. Pb(lead)3.45cc ?weight in grams

i really need help on this,and i need an answer quick as possible! >< what is the probability of picking a white sock and then a brown sock from a sock drawer,if it contains 10 whites,5 browns,and 8 multi-colored socks?

165. ## statistics

• Prepare a 700- to 1,050-word paper in which you interpret the statistical significance of a study.

166. ## chm

The mass of Oceanis 1.8*10 to 21 kg.The ocean contains 1.076%sodium ion,Na+what is mass of sodium in ocean

how do you break apart to divide: 648 by 6 using compatible numbers to break apart the dividend.

168. ## Math

how do I solve: -1 cubed-(-1)to the fourth +(-1) to the fifth - (-1)to the sixth thanks

169. ## college

dad invited me to eat with him? what is the verb in this sentence

170. ## science

write the correct formula, balance the equation, and name the type of equation. potassium + sulfur + potassium sulfide

171. ## Marketing

What is the impact of the competition in Internet space and how challenging it is and going to be for marketers to effectively compete for market share and customers?

172. ## math

Factor: u^2+3u+8u+24

173. ## physics

What equation should I used for a water bottle rocket lab? I am using distance vs volume of water. Of course, the volume of water is my independent variable. What equation should I use for this lab?

174. ## math

22*2/4-(7+3)2+3(7-2)2

175. ## science

What climate does this place have? Warmest month average: 83'F Coldest month average: 70'F Average rainfall: 42 in/yr Vegetation: Rainforest

176. ## science

Juneau, Alaska has a dry winter season, even though it receives 53.2 inches of precipitation annually. Its average coolest-month temperature is 22'F, and its average warmest -month temperature is a surprising 56'F. What climate is it?

177. ## Chemistry

Are significant figures relevant in temperature? ex: (-459 *F - 32 *F)(5 *C/ 9 *F) = -272.78 *C So would I leave my answer as -272.78 *C? or -273 *C because of significant figures?

h² + 20=9h

179. ## English

Posted by rfvv on Tuesday, August 31, 2010 at 10:09pm. 1. He was based on mountains and rivers, so he painted a lot of beautiful pictures. 2. He was based on the scenery, so he could paint many pictures containing mountains. (Are they correct sentences?)

180. ## English Literature

An assignment on sentimental comedy

181. ## grammar

I will be so offended if someone mistaken as an American. is this sentence correct?

182. ## Chemistry

Are significant figures relevant in temperature? ex: (-459 *F - 32 *F)(5 *C/ 9 *F) = -272.78 *C So would I leave my answer as -272.78 *C? or -273 *C because of significant figures?

183. ## algebra

can u help me now to do this cazz i don't understandd ;) n+(-5) n= 7/12 i amconfuseedd :O its like the one u tell me

14/2+3(5)

185. ## science

Are humans subject to the same pressures of natural selection as other organisms? Why or why not?

186. ## COM155

Can someone help me with reasons why an author might write a summary?

187. ## algebra

10+2[2+(1+1)-2 to the 2nd power]

188. ## gen 105

Does the option to download appendices in an audio format improve the quality of your educational experience? Does it make learning more convenient due to its portability? Does it help you learn in different ways? Is it something you will not use? Describe

how do you simplify the expsession of nine - six divided by three

190. ## Nursing

I need to locate an article about the benefits of NLNAC Accreditation but I cannot seem to find a journal article only a list of benefits on the NLNAC website any help?

191. ## physics

what are the values of g,m1,m2,and d if f=g times m1 m2 all over d squared

192. ## math

what is 9cm=______in do I have to mutiply by 2.54 which equals 22.86,is i'm right or wrong?

193. ## algebra

i don't know how to do this 1/2> on the top is??? on the right 1/2 on the butttomm?????

3v^2+10v+8

195. ## Math

( -4 ) 3 (----) ( 5 ) if you can't read that, negative 4, fifths, squared. -4/5 in parentheses.

196. ## pre algebra

how do you complete this problem -4x+7=11

197. ## english

give example of small ideas

198. ## social studies

This region of the U.S. is the largest in area?

199. ## Life Science

Need to know how to figure out the volume of temperature kelvin?

200. ## Psychology

Why did various early followers of Freud reject psychoanalysis in favor of an alternative theory?

201. ## Math

What is the value of the underlined digit 0.26. The underlined digit is 2

202. ## algebrra

perimeter: 56cm 7cm 24cm the lenght of the third side of the triangle is? idk

203. ## English

1. While he was based on the sketches, Degas painted in his studio. 2. While he was walking on the street, he met a friend of his. 3. While he was driving, he sometimes smoked. 4. While he was chatting, he drank coffee from time to time. (What about the

an information on crop production

205. ## English Literature

what is the difference between a prose and a poem?

206. ## English Literature

what is the difference between allegory and eligy?

207. ## math

4*5+8, How do you do this? The star means times multiply?

208. ## algebra

(2x^2-3x+1)(x^2+x-2)

209. ## english

''what do i have to say as an african american citizen''

what is 1/6h = 9 and h=?

211. ## Algebra 2

Find each value if g(x)=x^3-x. SO, g(5)=(5^3)-5... would equal 120? Did I do this right?

212. ## college

Have you ever used mnemonics (see p. 139 of your text) to remember something complicated? If so, describe the techniques you used. What ways might you use mnemonics to be a more effective college student and adult learner?

213. ## math

mario used up 0.1 bottle of vanilla that held 2.5 ounces.how many ounces did he use?

214. ## math

I'm very lost and frustrated about leaning the parallel and perpendicular lines like say for instance I'm looking at an arrow that is face down kind of of a right angle that has the letter K and L and the middle, can you please explained it to me

y+y+2=18

216. ## math

what is 7 to the 11th power equvilant to

217. ## English

What is overcoming problems an integral part of life?

218. ## english

Why is making a weakness a strength an important skill to have?

219. ## algebraa

perimeter= 30 5cm 12cm the lenght of the third side of the triangle is?

220. ## Math

2x+2=8 Solve for x

221. ## hardware

In design and modeling class we need to build a model couch but we can't find a website to help us on how to build one with a heater. plz help us, thanks.

222. ## hca230

what patient compliance issues are evident inthis scenario

16-12/4

224. ## writing english

describe the effects after tsunami

225. ## algebra check

add or subtract, -8-3 -8-3= -8+(-3) 3+8= -11

226. ## science

what acts as the cell's control center

(17-5)(6+5)

228. ## math

(17-5)(6+5) Do you know what's an expression is? Can you teach me how to do it?

229. ## math

we have a problem that my parents cant help with. 846*2=(...+40+...)*2=(800 over ...+...over2+6 over...)=(400+...+3)...=... ...means blank space for a number. Can you help with this problem, so that I can figure out the rest of the problems.Thanks

230. ## english

2.You will then post to the discussion board your writing strategies for developing your thesis. You will explore the features of the MyCompLab and summarize your experiences.