1. math

A string is cut into two parts.The ratio of lengths of the string and the smaller part is six times the ratio of lengths of the smaller and the larger parts .Find the ratio of the lenghths of the larger and the smaller parts of the string. Help me solve

2. Pychology

Much research is being conducted on repairing faulty sensory organs through devices such as personal guidance systems and eyeglasses, among others. Do you think that researchers should attempt to improve normal sensory capabilities beyond their

3. physic

4. A car accelerates at 0.5 m/s2 starting from rest. a. After 4 s what is its velocity? b. After 4 s, how far has it traveled from its starting position?

4. math

Solve, using linear combination. 5x + y = 2 4x + y = 4 Write your answer as an ordered pair or write "no solution" or "infinitely many solutions".

5. physics

5. An object is dropped. If one could neglect air resistance a. what would its velocity (magnitude and direction) be after 1 s? b. what would its displacement (magnitude and direction) be after 1 s?

6. physics

A lead ball of mass 60kg hangs from a string. A piece of putty mass of 15kg hits the ball with velocity of 12m/s. If the putty sticks to the ball, what will be their velocity immediately after the impact?

7. physics

A rectangular barge floats in freshwater. When a 400 kg block is loaded on the 5 m long by 2 m wide barge, the barge sinks a few centimeters deeper. How much deeper does the barge lower?

8. math

If rabbit hop 2m and how much it will travel in 1 km

9. physics

Suppose that you balance a 5 kg ball on the tip of your finger that has an area of 1 cm2. What is the pressure on your finger?

10. Chemistry

The following data are for a liquid chromatographic column: Length of packing (L) 24.7 cm Flow rate 0.313 mL/min VM 1.37 mL VS 0.164 mL A chromatogram of a mixture of species A, B, C and D provided the following data Retention time Nonretained 3.1 - A =

11. algebra

Add (5x^2-7x + 23) + (2x^2 + 9x - 72) =

12. algebra

Subtract the polynomials (6v^2 + 7vd - 3d^2) - (9v^2 - 5vd + 19d^2)

13. Chemistry (Acid-Base)

Butanoic acid (Ka = 1.52 x 10-5) has a partition coefficient of 3.0 (favouring benzene) when distributed between water and benzene. Find the concentration of butanoic acid in each phase when 20.0 mL of 0.10 M aqueous butanoic acid is extracted with 25 mL

14. Health

can you give me an insite of the WHO Framework Convention on Tobacco Control ??

Can you check the following? Punctuate the following sentences with appropriate apostrophes. 1. Whos the partys candidate for vice president this year? Ans: Who's, party's 2. Our neighbors car is an old Chrylser, and its about to fall apart. Ans:

16. algebra

Multiply using the rule for the square of a binomial. (7x + 4)^2

17. world geography

In the Southern subregion of sub-Saharan Africa, which country is mainly covered by the Kalahari Desert? A. Namibia B. Zambia C. Botswana** D. Mozambique

18. statistics

A) Identify the question, population, and sample. b) Discuss any potential bias or lurking variables that may affect the results.? c) Write about the extent to which we can generalize the findings to all people who use cell phones. Stewart Fist reported

19. Analytic chemistry

A solution of HClO4 was standardized by dissolving 0.3745 g of primary standard grade HgO in a solution of KBr. The liberated OH- required 37.99 mL of the acid to be neutralized. Find the molarity(M) of HClO4. The given balanced chemical equation is: HgO +

20. english

The racehorse Boundless was not only fast but also a beauty.

21. Written Communication

At the library, the quickest way to locate varied, reliable information for your research paper is to A. check the encyclopedias. B. search the card catalog for related titles. C. ask the reference librarian. D. check the Readers' Guide.

22. maths lit, history, geography, life sciences and L

Am in grade 10 and those are the subjects i want to choose so can i become a psychologist with those subjects in the future??

23. english

Either you're with us or against us.

24. Physics

When will the resultant of the 5N and 7N be at a maximum?

62. math

Describe the vertical asymptote(s) and hole(s) for the graph of .y=(x-3)(x-1)/(x-1)(x-5) A. asymptote: x = 5 and hole: x = 1 B. asymptote: x = –5 and hole: x = –1 C. asymptote: x = –3 and hole: x = 5 D. asymptote: x = 5 and hole: x = –1

63. physics

A train whistle is heard at 280Hz as the train approaches town. The train cuts its speed in half as it nears the station, and the sound of the whistle is then 270 Hz. What is the speed of the train before slowing down? What is the speed of the train after

64. physics

Consider a thin spherical shell of radius 20.2cm with a total charge of 3.3μC distributed uniformly on its surface. a) Find the electric field, in N/C, at a radius of 15.6cm from the center of the charge distribution. b) Find the electric field, in N/C,

65. Algebra 1

What is the correct simplification of 5.4x 10^12/ 1.2x 10^3 written in scientific notation?

66. Math

When I write the inverse function for y = 3x - 7, can I change y to f^-1(x)?

67. science

Pepsin,which speeds up the breakdown of protein,is classified as

133. math

the wheel of a bicycle has a diameterof 72 cm and are rotating with an angular velocity of 12 rad/s. determine how much time the bicycle takes to travel 100m.

134. math

find unknown number in the following equation 9/10 - x +1/5 what is x

135. Chemistry (Re-post)

A solution contains 1.694 mg of CoSO4 (MW 155.0) per mL. Calculate a) The volume of 0.008640 M EDTA needed to titrate a 25.00 ml aliquot of this solution. So this is my working out for this section, Step 1. Moles of CoSO4 = 0.0001694mg * 25mL *

Can you check these simple interest problems? 1. If you borrow $421 for nine years at an interest rate of 4%, how much interest will you pay? Ans: I = prt I =$421*.04*9 I = $151.56 2. If the balance at the end of 8 years on an investment of$630 that has

137. english

How should i start to write a victimology about dracula

138. english

if dracula is sucking the blood of his vistcms, would it be called homicide or what??

139. math

repost find unknown number in the equation 9/10 - x = 1/5

140. Math

I am asked to graph f(x) = (x+3)^2 + 7 and then f(x) + 2. Is this the same as graphing f(x) = (x+3)^2 + 7 and f(x) = (x+3)^2 + 9?

141. History.

Hi, I got stuck on a few questions, do you mind helping me? What was George Washington's belief about U.S. foreign policy? a.The United States should form a strong alliance with France.

142. History help?

1.Southern states began to leave the Union not long after this event: a.Lincoln read and established the Emancipation Proclamation b.the fighting at Fort Sumter in South Carolina c.The Battle of Gettysburg was lost by the South d.the election of Abraham

Hi, I got stuck on a few questions, do you mind helping me? What was George Washington's belief about U.S. foreign policy? a.The United States should form a strong alliance with France.

144. Language Arts

Which is the best example of a simile? A. Marty's shout rattled the windows. B. Her voice was as clear as a bell. C. He is a bear in the morning. D. The blossoms in the garden nodded their heads. Is the answer B? Thank you

145. statistics

As part of a data base on new births at a hospital some variables recorded are the age of the mother, marital status of the mother (single, married, divorced), weight of the baby, and gender of the baby. Of these variables A. age, marital status, and

146. Math

Write an inequality for the following. A swimmer dove off a 25 ft. Platform. He submerged 14 feet below the water.

147. Language Arts

Which of the following is an example of the use of imahery? A. Sarah said she's ready to walk to the store whenever you are. B. As jason walked, the puddles splashed under his feet. C. I am saving money to buy Joey a new pair of headphones. D. Megan wished

148. algebra

write the equation of the line that is parallel ot the line x + Y =-2 and passed through the origin.

149. Algebra 2

I really need help understanding ho to solve combination functions here is a specific problem I am struggling with. Let f(x) = x - 2 and g(x) = x^2 - 7x - 9. Find f(g(-1)).

150. Sociology

One feature of a less developed nation is high infant mortality rates high levels of modernization high levels of industrialization high per capita income not sure

151. Science

A small fish in the Pacific Ocean watches a shark swim by a large rock a few meters away. Which of the following is the the reference point in this scenario? A. Shark B. Large rock C. Water D. Pacific Ocean Is the answer C? Thank you

152. Math

Delia has 493 stamps in her stamp collection. She can put 16 stamps on each page of an album. How many pages can she fill completely?

153. Sociology

The Agricultural Revolution involved all of the following except the development of basic agricultural technology the cultivation of grain the development of factories the domestication of animals D?

13 more than product of m and 5

155. english

What are some behaviours of Dracula? i have two so far: appears during the night leaves two punctures on his victims neck

156. English

What is the claim, warrant, and grounds in this article? Smart Guns Save Lives. So Where Are They? BOULDER, Colo. — JUST after Christmas, Veronica Rutledge of Blackfoot, Idaho, took her 2-year-old son to a Walmart store to spend holiday gift cards. As

157. algebra

How do I graph a direct variation when x=10, 20, 30, 40, and y = 4.5, 9.00, 13.50,18.00 Put x on graph going up by 10 and put y on graph at the bottom going across I am unsure of rest

158. Math

There are two fractions that are given. The two fractions are 3/12 and 7/12.what answer so you come up with if you were to add these two fractions together? Would my answer be 10/12.

159. Math

The height was 30, the width was 25,and the length is 20. What is the volume, in cubic inches, of the block of ice? I think you multiply 30x25x20 and get 15,000. The answer is 15,000 cubic inches. Harry wants to make another block of ice with the same

160. Math

How could you use an area model to identify the binomial factors of a trinomial?

161. math

The perimeter of a rectangle is 39centimeters. The perimeter of a circle is 39 inches. Which statment is correct about the two shapes is correct? The rectangle/The circle/ or both

162. Math

Frank teacher was teaching the class about fractions. She posted the fractions 1/7 and 3/9 on the board. Frank was supposed to answer what the least common multiple of the two fractions was. What did he answer? Help

163. english

Behaviours of dracula

164. Math proportions

If the wait time in line to ride a roller coaster is 20 minutes for 150 people how long is the wait time for 240 people? 240-150 = 90 people 150 people = 20 minutes 90 people= 40 minutes?

165. Math

Kara Maria poured herself a glass of 16 ounces of water. She drank 1/2 of her water in the morning. At lunch time she took the remaining water and drank 1/2 of that. How much water did she have left/ Would my answer be 1/4.

166. Math

Thomas was making iced tea with his mother. the recipe called for 1/2 a cup of sugar. However, Thomas and his mother wanted to cut the recipe in half. How much sugar should they add into the recipe? Would the answer be 1/4.

167. statistics

The following is a list of 10 measurements: after adding and sub all 10 numbers I came up with a -29. Now it wants the sum 10/i,i than xi over 32. Do I x -29 and the 32 or do I divide. This is were I get very confused. I am sorry to ask again but I never

168. physics

A person walks first at a constant speed of 5.10 m/s along a straight line from point circled A to point circled B and then back along the line from circled B to circled A at a constant speed of 3.15 m/s.(a) What is her average speed over the entire trip?

169. math

Johnny is jogging along a track. He has already jogged 1 2/3 miles. He plans to jog a total of 3 1/4 miles. How many miles does he have left to jog?

170. Math

If -f(x), or reflection across the x-axis, is done on .7x - 4, then is the new equation -.7x + 4?

171. Math

Ms.Groves has trays of paint for students in our class each tray has five colors one of the colors of purple what fraction of the colors in 20 trays of purple

172. Social studies

I need Sam Houston and Mirabeau Lamar -background -problems each of them faced -Native American -military spending -annexation I want them to be separate like contrast

173. math

Solve: Check your solution. 3y - 7 = -3y + - 19

174. social studies

How did diaries look like back then?

175. Math

Maya has 5 sheets of paper. She cuts each sheet into 3 equal sized rectangles. The rectangles are shared equally among 6 students. How many rectangles does each student get?

176. Math

Find the sum of the interior angles of a nonagon. A. 140 degrees B. 1,620 degrees C. 1,260 degrees D. 1,450 degrees Is the answer C?

177. English

What is the warrant in this article? BOULDER, Colo. — JUST after Christmas, Veronica Rutledge of Blackfoot, Idaho, took her 2-year-old son to a Walmart store to spend holiday gift cards. As they strolled by the electronics section, according to news

178. maths

several friends each had 2/5 of peanuts left over from the baseball game.they realized that they could have bought 2 fewer bags of peanuts between them .how many friends went to the game?

179. Math

Four of the angles of a pentagon measure 85 degrees, 110 degrees, 135 degrees, and 95 degrees. Find the measure of the missing angle. A. 115 degrees B. 95 degrees C. 135 degrees D. 85 degrees Is the answer D?

180. Math

If I have 87% in a course. What's my mark after my exam worth 15% in which I got 85%?

181. Math

Stephen was taking photographs of 71 different locations. At each location Stephen too 24 different pictures. How many pictures did Stephen take total? Is this answer correct 71 X 24 = 1704?

182. math

what is the temperature of the week the ,if the temperature of monday is 33 tuesday is 32 wednesday is 32 thursday is 34 friday is 31 saturday is 30 sunday is 31 , what is the temperature of a week

My son has to solve equations with mixed numbers in them. we are in dispute about the problem below: 6 3/8 = t - 4 3/4 - 2 1/16 I solved it by adding 2 1/16 to both sides, then adding 4 3/4 to both sides. My answer was 13. My son solved it by subtracting

Amy jogs 1/3 of a mile in 1/15 of an hour, while John takes 1/30 of an hour to jog 1/5 of a mile. If they continued at this rate who would jog farther in one hour and by how much?

185. math

I have one cookie left at my party!! and 3 of my friends want the last cookie. who schould i give it too? BREANNA, KIRA, or JACK? THIS IS A TRUE STORY RIGHT NOW!! WHO SCHOULD I GIVE THE LAST COOKIE TOO?!?

186. physics

A 10.7 kg bowling ball moves in a straight line at 4.26 m/s. How fast must a 2.55 g Ping-Pong ball move in a straight line so that the two balls have the same momentum?

187. Math

Kelly was helping a friend with cleaning her bedroom. Kelly spent two hours and cleaned 80% of the room. what fraction of the room did Kelly help clean? How would I solve this - divide?

188. Math

Sarah was trying to figure out her grades for her math course. she only knew the grade of 4 of the tests she had taken, However the class had taken 5 tests total. She scored a 94, 67, 83, and 93. If Sarah ended up with a grade of 90, what did she get on

189. Math

Q. Hectors extended family was gathering a reunion. There were 8 sets of aunts and uncles. There were twice as many cousins as uncles. There were two grand parents,and than there was Hector's family of five. How many people were at the reunion? - A. Do I

190. math

triangle QRS ~ triangle EFG. Find the measures of the missing sides. QR = ? EF = 10 QS = 24 EG = 5 RS = 45 FG = ? Im having trouble setting up the equations. Please help!!

191. Arts

Do you need Fine Arts Credits in high School?

192. math

The ratio of Jane's number of soda to Pat's number of soda is 2 to 3. If Jane has 16 cans of soda, how many cans of soda does Pat have?

193. Social Studies.

What is one problem with putting off the cost of policies in public services? A: The national debt will continue to grow. B: Voters will not enjoy the benefits of the programs. C: politicians will refuse to vote for laws that do this. D: The federal budget

194. math

A grocery store is having a promotion for a new brand of milk.Every gallon has a 20% chance of having a coupon for a free box of breakfast cereal under the cap. If Valeria buys 3 gallons of milk,what is the probability that exactly one of them will win her

195. Math

A circle has the circumference 28.26cm. What is the area of the circle? use PI as 3.14. i am confused in how to even solve with the circumference to get the area. Please help

196. Ethics

Are my answers correct? Please help. Thank you! 18-20) Some arguments have complex premises, where too much information is given. Outline the following argument. Some matters of foreign policy are just beyond George W. Bush’s grasp, for, like in the

197. Math

6% of what number is 10 1/2? Who would you solve this question?

198. Math

Addison is making caramel apples. She has 2 1/2 bags of apples. One full bag has 8 apples, and each apple weighs 5 ounces. Write an expression that could be used to find the total number of ounces of apples Addison has. Then find the total number of

215. Physics

He is standing at the edge of a rose garden at H = 4.62 m below her window and at D = 5.21 m from the base of the wall. How fast are the pebbles going when they hit her window?

216. Physics

Romeo is chucking pebbles gently up to Juliet's window and he wants the pebbles to hit the window with only a horizontal component of velocity (the least possible speed). He is standing at the edge of a rose garden at H = 4.62 m below her window and at D =

217. math

I need help on this question. Can someone help me get through with these question The area of canada is approximately 1x10(Exponent)7, and the area of Mexico is approximately 2x10 (exponent)6 square kilometers. The area of Canada is approximately how many

218. physics

A football is kicked at ground level with a speed of 15.4 m/s at an angle of 34.7° to the horizontal. How much later does it hit the ground? (in s)

219. Physics

I have a test tomorrow and I don't really understand this question, I was hoping somebody could help explain it? If 2.75x10¹⁹ electrons pass a point in a circuit in 30s, what is the current?

220. Physics

What is the y-component of a vector in the x-y plane whose magnitude is 87.8 and whose x-component is 64.9?

221. Language Arts

How does Rab’s reaction to Johnny’s hand compare to that of other people? A. Like others, Rab is horrified by Johnny’s hand. B. While others react with disgust or pity, Rab ignores the injury untilJohnny mentions his bad hand. C. Rab expresses great

222. stat

Diana and franklin both play a card game called cribbage,in whichthe first person to earn 121 points is the winner. The table below shows the results of six games of cribbage. Dianna's score/Franklin's score Game 1 121/118 Game 2 121/101 Game 3 98/121 Game

223. Language Arts

Why does Johnny agree to take John Hancock’s order for a sugar basin? Select all that apply. A. He is confident in his ability to complete the job. B. He wants to impress Dove and Dusty. C. Mrs. Lapham encourages him to accept the job. D. Mr. Lapham is

224. Language Arts

What does Johnny’s mastery of riding Goblin show about his character? A. He is rash and quick-tempered. B. He is brave and determined. C. He is immature and selfish. D. He is arrogant and proud

225. chemistry

A mixture of N2(g) and H2(g) has mole fractions of .40 and .60, respectively. What is the density of the mixture at 1 bar and 0 degrees celsius?

226. math

Olga knows that, if she leaves a tray of ice cubes on the counter all night,they are going to melt.Which of the following best describes the probability that the ice cubes will melt if they are left on Olga's kitchen counter all night? 0,0.1,1 or 100....is

227. Math

Which function is increasing? a. y = -2^x b. y = 2 (1/2^x) c. y = 3 (4^-x) d. y = -4 (2^x) What is the y-intercept of the function y = 4(2^x) - 2? a. 2 b. -2 c. 4 d. 1 In the function y = 4(3^x) - 1, the graph is asymptotic to ..... a. y = 1 b. y - axis c.

228. Math

!!PLEASE SHOW YOUR WORK!! My recipe makes 96 cookies, but I'll only need 24 for the party, what will I multiply each ingredient by to make just 24 cookies? Explain.

229. Math

Which of the following is a decreasing function? a. y = 7^x - 2 b. y = 7^-x + 2 c. y = 3(5^x) - 5 d. y = 5(3^x) + 3 What function is the reflection of y = 10^x with respect to the y-axis? a. y = -10^x b. y = (-1/10)^x c. y = 10^-x d. y = -10^x

230. math

In Carl's drawer, he has white,gray,and black socks. In his closet,he has black brown,and blue shoes. I need to make a diagrdiagram to display the sample space for Carl choosing a sock and shoe color. Is this right White/black,brown blue

238. English-Scarlet Letter

1.How do the male characters treat, or talk about the female characters? 2.If the female characters had a power what kind will it be? Economical, Psychological, Social, Political , etc and Why? 3. Dimmesdale punishes himself because he wants redemption. I

. Mkay ! So, one molecule of nitrogen reacting w/3 molecules of hydrogen makes 2 of ammonia. How many molecules of nitrogen must react w/42 molecules of hydrogen to make 28,of ammonia?

240. Science

Which foods are lipids found in, and what is their function in the body? A: lipids are found in sugars and starches and are the main source of energy for the body B: lipids are found in fats and oils and are an essential component of cell membranes C:

241. Chemistry

A solution contains 1.694 mg of CoSO4 (MW 155.0) per mL. Calculate a) The volume of 0.008640 M EDTA needed to titrate a 25.00 ml aliquot of this solution. Step 1. 0.001694g * 25ml * 1/155 g/mol= 0.0002732 mol Step 2. Volume of EDTA needed = 0.0002732 mol/

242. Math

Without looking, George pulls socks from a drawer containing 2 white socks, 3 black socks, and 5 yellow socks. With each pulll, a sock is removed from the drawer and is not replaced. find the probability of drawing a yellow, black, and white sock in that

243. Chem

A scientist finds that one volume of an unknown gas X combines with 2 volumes of another gas Y to form 2 volumes of a new gas with a formula XY2. What is the balanced equation?

244. Science

Most bacteria are A: unicellular eukaryotes B: unicellular prokaryotes C: multicellular eukaryotes D: multicellular prokaryotes Is the answer B?

245. physical science

if you drop an object from a height of 0.8m, it will hit the ground in 0.40s. if you throw a baseball horizontally with an initial speed of 29m/s from the same height, how long will it take the ball to hit the ground

246. Science

The cell theory was A: developed by Robert Hooke B: developed before microscopes were invented C: developed only after electron microscopes became widely used D: developed by many scientists over many years Is the answer A?