# Questions Asked onSeptember 18, 2012

1. ## English 3

1) Select the abbreviation that tells how the italicized noun clause is used. S-subject, DO-direct object, SC-subject complement, OP-object of preposition Our study efforts should go to (whatever subject is most in need of improvement.) *my answer is DO

2. ## chem

I am pretty confused on this. 1. Pick the appropriate solvent to dissolve A) Sodium Chloride (ionic) B) Sodium Nitrate (ionic) both have the choices of 1) water 2) acetone 3)ethanol 4)methanol 5)carbon tetrachloride 6)toluene 7)hexane

3. ## Probability and statistics

A dice game involves rolling 2 dice. If you roll a 2, 3, 4, 10, 11, or a 12 you win $5. If you roll a 5, 6, 7, 8, or 9 you lose$5. Find the expected value you win (or lose) per game.

4. ## General Chemistry

A solution of LiCl in water has XLiCl = 0.0800. What is the molality?

5. ## Probability and statistics

There is an equally likely chance that a falling dart will land anywhere on the rug below. The following system is used to find the number of points the player wins. What is the expected value for the number of points won?Black = 40 points Gray = 20 points

6. ## physics

A nurse pushes a cart by exerting a force on the handle at a downward angle 35.0º below the horizontal. The loaded cart has a mass of 28.0 kg, and the force of friction is 60.0 N. (a) Draw a free-body diagram for the system of interest. (b) What force

7. ## Probability and statistics

A mysterious card-playing squirrel (pictured) offers you the opportunity to join in his game. The rules are: To play you must pay him $2. If you pick a spade from a shuffled pack, you win$9. Find the expected value you win (or lose) per game.

8. ## Chemistry

I need help please I am so confused. How much dry solute would you take to prepare each of the following solutions from the dry solute and the solvent? I know the MM of KCl is 74.55 107g of 0.535m KCl

10. ## Probability and statistics

In a game you flip a coin twice, and record the number of heads that occur. You get 10 points for 2 heads, zero points for 1 head, and 5 points for no heads. What is the expected value for the number of points you’ll win per turn?

11. ## Physics

In the absence of air resistance, a projectile is launched from and returns to ground level. It follows a trajectory similar to that in the figure below and has a range of 15 m. Suppose the launch speed is doubled, and the projectile is fired at the same

12. ## physics

A 970-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it reaches a speed of 25.0 m/s. What is the average force exerted on the car during this time

13. ## English Beowulf

Can you tell me if I explained Beowulf as a boastful glory seeker. Beowulf wanted to be noticed as a strong brave man who can kill monsters stronger than him. Beowulf boasted how he drove five great giants into chains. They have seen his strength and

14. ## Chemistry

2) To the solution in problem 1 (d) at 100 degrees celsius, 10g of water are added, and the solution is cooled to 0 degrees celsius... (problem 1d: the number of grams of water required to dissolve a mixture containing 15 g KNO3 and 3.5 g CuSO4 * 5 H20,

15. ## Math

The school cafeteria serves pizza every sixth day and applesauce every eight day. If pizza and applesauce are both on today's menu. In how many days will they be together on the menu again ?

16. ## physics

A science student is riding on a flatcar of a train traveling along a straight horizontal track at a constant speed of 18.0 m/s. The student throws a ball along a path that she judges to make an initial angle of 68.0° with the horizontal and to be in line

17. ## English 3

1)Select the abbreviation that tells how the italicized noun clause is used. S-subject, DO-direct object, SC-subject complement, OP-object of preposition A lecture on cleanliness was not what the children wanted to hear. 2)Select the adjective clause and

18. ## physics

(a) If a person can jump a maximum horizontal distance (by using a 45° projection angle) of 3.43 m on Earth, what would be his maximum range on the Moon, where the free-fall acceleration is g/6 and g = 9.80 m/s2? m (b) Repeat for Mars, where the

44. ## English

sentence pattern- Traditional gas-powered cars are harmful to the environment?

45. ## Chemistry- rate laws

CH3CHO decomposes into methane gas and carbon monoxide gas. This is a 2nd order reaction. Rate of decomposition at 140 degrees Celsius is .10M/s when the concentration of CH3CHO is .010. What is the rate of the reaction when the concentration of CH3CHO is

46. ## English 3

Select the abbreviation that tells how the italicized noun clause is used. S-subject, DO-direct object, SC-subject complement, OP-object of preposition The company rules demanded that the monthly bills be paid before the end of the month.

47. ## English

In the story The Necklace written by Guy de Maupassant what are the examples of similes and metaphors?

48. ## Chemistry

A 150g potato cools from 100 degrees Celsius to 50 degrees Celsius. If the specific heat capacity of the potato is 2000 j/kg degrees Celsius, how much heat does the potato lose?

49. ## US Government

Explain how separation of powers and checks and balances reflect the founders' views of human nature and power in government. Discuss two other influences on the development of the U.S. Constitution

50. ## social studies

how does Italy's geography affect its economy?

51. ## chem

what is the difference between a bunsen burner and a lab burner?

52. ## English III

1)Which of the following contributes most to the mystery of “An Occurrence at Owl Creek Bridge”? A. the breaking of the hangman's noose B. the shooting by the Union sentries C. Farquhar's underwater struggle D. the order in which events occur i think

53. ## physcis

biker passes a lamppost at the crest of a hill at + 4.5 m/s. she acceleratets down the hill at a constant rate of +0.40 ,/s2 for 12 seconds.\ how far does she move down the hill during this time?..

54. ## physics

A sports car accelerates from rest to 100 km/h in 6.25. What is the acceleration in m/s^2?

55. ## chemistry

the calculations you will make in this experiment are based on assumptions. what do you assume about each of the following? the shape of a glass bead, the shape of an oleic acid molecule in the film, the shape of the oleic acid film on the water surface,

56. ## physics

A car is traveling along a straight road at a velocity of +32.7 m/s when its engine cuts out. For the next 1.04 seconds, the car slows down, and its average acceleration is . For the next 5.23 seconds, the car slows down further, and its average

57. ## math

how do you order fractions while estimating with different denominators including mixed numbers and improper fractions quickly?

58. ## statistics

Use the following information to calculate the lower and upper fence: A teacher was interested in how many text messages teenagers got per day. He randomly selected 70 students and asked them how many text messages they received the previous day. The mean

59. ## pre calc

I am sooo confused on my homework. #1 Two cars lave an intersection at the same time. One is headed south at a constant speed of 30mph. the other is heading west at a constant speed of 40mph. Build a model that expresses the distance (d) between thec ars

60. ## Physics

A canoeist is trying to paddle upstream in a river that has a velocity of 6.1 m/s. a) If he can paddle his canoe at a velocity of 6.2 m/s will he make any headway? b)What will be his velocity relative to the shore?

61. ## math

a baseball diamond is actually a square. the distance between bases is 90 feet. when a runner on first base tries to steal second, a catcher has to throw from home to second base.how far is it between home and second base?

62. ## english

Word bank: Adverse arid assailant billow confront constrain contemporary depict disinterested encompass groundless hypocrite incomprehensible manipulate maximum mimic ruffle serene sheepish stamina She has many interesting ideas but she seems to lack the

63. ## chemistry

it has been a while since ive done these so i just need a refresher. im looking for the heat of hydration of lithium chloride and sodium chloride. compound Lattice Energy deltaH soln LiCl -834 kj/mol -37.0 kj/mol NaCl -769 kj/mol +3.88 kj/mol what is delta

64. ## computers

Two PC repair technicians are discussing the electrical system of a PC. Technician A says that the power supply provides electricity to all the devices in a PC. Technician B says that the power supply supplies 3.3, 5, and 12 volts of AC power. Which

65. ## english

sentence pattern - Hybrids produce less pollution than conventional cars?

66. ## Physics

A missile is fired and travels at 309 m/s. If the operator discovers that the missile is locked on the wrong target and must be detonated by remote signal before impact, how far will the missile travel if the operator's reaction time to send the signal is

Please check urgently .I have to submit the assignment A give an example of a function whose domain equals the set of real numbers and whose range equals the set? the set {-1,0,1} BGive an example of a function whose domain equals (0,1)and whose range

68. ## english

Which sentence BEST combines the ideas shown below? (I put an arrow on the one I think the answer is) --->A.The football player did not seem seriously injured. As a precaution, the trainers moved him carefully. B.The football player did not seem seriously

69. ## Physics/Chemistry

I am not producing the correct answer which is 2.06 psia. Question: The pressure gauge on the steam condenser for a turbine indicates 26.2 in. Hg of vacuum. The barometer reading is 30.4 in. Hg. What is the absolute pressure in the condenser in psia? I

70. ## physics

a curve of radius 50 m is to be banked, so that the automobile may make a turn at a speed of 15 m/s without depending on friction. at what angle should the road be banked?

71. ## pre-calculas

can someone please help me with this question? Given the function f(x)=3x-9 Find the rate of the change between the stated values for x: 7 to 8 A. Find the equation of a secant line containg the given point (7,f,(7)) and (8,f,8)) B. Find the rate of change

72. ## Math

A telephone call costs c cents for the first 3 minutes and 12 cents for each additional minute. Write and solve an equation to find the total cost of 25 minutes call.

73. ## Math 17

two airways cross each other at an angle of 49 degrees. at a certain instant, the american airlines plane is 32 miles from the crossing, while the british airways plane is 76 miles from the crossing. what is the distance between the two planes at this ins

74. ## physics

A VW Beetle goes from 0 to 59.0 mi/h with an acceleration of +2.35 m/s2. (a) How much time does it take for the Beetle to reach this speed? (b) A top-fuel dragster can go from 0 to 59.0 mi/h in 0.700 s. Find the acceleration (in m/s2) of the dragster.

87. ## Math

14. a. A Restaurant is open 24 hours a day. The manager wants to divide the day into work shifts of equal length. The shifts should not overlap, and all shift durations should be a whole number of hours. Describe the different ways this can be done.

88. ## chemistry

Determine the concentration of a solution of Mg(NO3)2 given the precipitate formed is 2.97 g and there are 50mL of Mg(NO3)2 and 50 mL of NaOH. Please show all work for each step clearly

89. ## Physics

The 1994 Winter Olympics included the aerials competition in skiing. In this event skiers speed down a ramp that slopes sharply upward at the end. The sharp upward slope launches them into the air, where they perform acrobatic maneuvers. In the women's

90. ## Math

3. What makes the statement true? 7^–2 =? 4. Evaluate the expression 6^-2 • 4^0? 5. Write 5^2 • 5^-1 • 5^3 as a single exponent. 9. What is the solution to (4 × 10^3) × (6 × 10^6), written in scientific notation? 11. Find the product. 1/10 •

91. ## algebra

x^4+16x^2+7x-11=0 Descartes’ rule of signs to find the nature of the roots of the equation

92. ## history

True or False? We are fortunate to have much reliable information about Homer and his history.

93. ## Math

Roger knows how many keys a piano has. He knows that some of the keys are broken. How can he find the number of keys that work

94. ## English/help

Yesterday I posted three analogies, two I needed to know of they were correct, the other I was lost on, can someone take a look I have to go soon. Is the first one a comparison of Sandra and her fear to that of the kitten?

95. ## English

A good scientist must have a keen mind an unqhenchable curiousity and a (groundless disinterested) desire to discover the truth disinterested? Ms.Sue you told me it should be maximum but groundless and disinterested are the only options. So is my answer

96. ## math

to avoid a large shallow reef, a ship is set a course from point a and traveled 25 miles east to point b. the ship then turned a traveled 35 miles south to point c.if the ship could have gone in a straight line from point a to point c. how many miles could

97. ## physics

a sprinter accelerates from rest to 10 m/s in 1.3s. What is her acceleration a) in m/s^2> b) km/n^2?

98. ## Physics

On a distant planet, golf is just as popular as it is on earth. A golfer tees off and drives the ball 4.1 times as far as he would have on earth, given the same initial velocities on both planets. The ball is launched at a speed of 50 m/s at an angle of

99. ## Organic Chemistry

I have the linear formula of CH3CH2OLi and I'm trying to draw the structure with charges. Not really sure how. Please help.

100. ## Intro T Electrical Engineering

A solid metal sphere with radius 0.430{\rm m} carries a net charge of 0.210{\rm nC} . Find the magnitude of the electric field at a point 0.112{\rm m} outside the surface of the sphere. Find the magnitude of the electric field at a point inside the sphere,

101. ## Physics

A fire hose ejects a stream of water at an angle of 29.0° above the horizontal. The water leaves the nozzle with a speed of 31.0 m/s. Assuming that the water behaves like a projectile, how far from a building should the fire hose be located to hit the

102. ## Math

List the common multiples from 1 to 100 for each pair of numbers. Then find the least common multiple for each pair. 8 and 12, 3 and 15, 7 and 11, 9 and 10, 24 and 36, 20 and 25, 42 and 14, 30 and 12 Then find pairs of numbers for which the least common

103. ## theory practice

a teacher request that a child ues a small stepladder to reach a book on a shelf .she is helping the child develop -----

104. ## Physics

A wrench falls out of the gondola of a balloon that is 830 m above the ocean. Assuming negligible air resistance, what was the wrench’s speed as it hit the water? The acceleration of gravity is 9.8 m/s2 . Answer in units of m/s

105. ## Physics

The space probe Deep Space 1 was launched on October 24, 1998. Its mass was 474 kg. The goal of the mission was to test a new kind of engine called an ion propulsion drive. This engine generated only a weak thrust, but it could do so over long periods of

106. ## Maath

The surface area S of the rectangular solid in the figure is S = 2(24) + 2(4x) + 2(6x). Find the length x of the box if the surface area is 248 square centimeters.

107. ## chemistry -- radioactive decay

suppose you have a 150 gram sample of radioactive decay god-191 which has a half- life of 3.4 hours. how many grams of gold will ramain after 10hrs ? after 24 hrs? answer : 10 hrs :10/3.4= 2.94 times 150*(1/2)^2.94 = 18.75 grams 24 hrs: 24/3.4 = 7.06

108. ## Math

Find the dimensions of a box that will held twice as many cubes as a box that is 2 by 6 by 4...Find the volume of original box..(2) Find the volume of the new box..(3) find the dimensions of new box...

109. ## math

Unit rate for 160 words typed in 4 minutes? Show world and explain? Thanks!

110. ## physics

A top fuel dragster covers the quarter mile in 4.5 seconds. what is its speed in miles per hour? please tell me step by step what to do.

111. ## lit

can be neither seen nor touched transitive verb 2. has a receiver named adverb suffix 3. has no receiver named joint ownership 4. expresses highest or lowest degree of comparison verb tense 5. add sign of possession to last name intransitive verb 6.

112. ## programming

Write an algorithm that prints the factorial for the first 20 even numbers. Then, give the big-O for your algorithm.

113. ## Physics

A small bug is nestled between a 1-kg block and a 2-kg block on a frictionless table. A horizontal force can be applied to either of the blocks as shown in figure Q5.24 (i) In which situation illustrated in the figure (a) or (b), does the bug have a better

130. ## Physics

You throw a ball downward from a window at a speed of 2.7 m/s. How fast will it be moving when it hits the sidewalk 2.9 m below?

131. ## physics

A major league pitcher can throw a baseball in excess of 40.8 m/s. if a ball is thrown horizontally at this speed, how much will it drop by the time it reaches the catcher who is 15.4 m away from the point of release?

14. 10 5/18 – 8 5/6 = 15. 1/2 • –1 1/3 = 16. 5/8 ÷ 15/16 = 17. Write 13/4 as a decimal. Round to three decimal places

133. ## math

jacob is buying the grass seed shown at the right. Estimate the side length of the largest square jacob could seed if he purchases 5 bag

134. ## science

State 2 reasons why pH maintenance is important to biological systems.

135. ## geometry

what is the base length of a paralleogram whose area is 52 m squared and whose height is half is based lenghth

146. ## Physics

In reahcing her destination, a backpacker walks with an average velocity of 1.29 m/s, due west. This average velocity results because she hikes for 6.44 km with an average velocity of 2.59 m/s, due west, turns around, and hikes with an average velocity of

147. ## Math

Find two pairs of numbers with the given number as their least common multiple. (LCM) 10 36 60 105

148. ## math

what are the common factors of 120 and 420

149. ## Statistics

Wendy is a randomly chosen member of a large female population, in which 9% are pregnant. Wendy tests positive in a pregnancy test. Pregnancy test correctly identifies pregnancy 95% of the time and correctly identifies non pregnancy 92% of the time. What

150. ## Math

For Exercises 16 - 23, list the common factors for each pair of numbers. Then find the greatest common factor for each pair. 16. 18 and 30 17. 9 and 25 18. 60 and 45 19. 23 and 29 20. 49 and 14 21. 140 and 25 22. 142 and 148 23. 84 and 105

151. ## statistics

Is another name for an explanatory variable an independent variable?

152. ## English

I am having trouble with finding the analogy in this one: sandra was sitting in the backyard avoiding the party. she jumped when she heard a noise but it was just a little gray ritten. he look even more scared of her and she was of him. He paused and then

153. ## physics

Traveling at a speed of 18.3 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.540. What is the speed of the automobile after 1.33 s have elapsed?

154. ## Physics

Consider a space pod somewhere between earth and the moon, at just the right distance so that the gravitational attractions to Earth and Moon are equal. Is this location nearer Earth or Moon?

155. ## organic chemistry

Methanol, CH3OH, contains a C-O bond. In this bond, which of the following best describes the charge on the carbon atom. a.) -1 b.) +1 c.) uncharged d.)slightly negative e.) slightly positive the answer key says slightly positive but isn't it uncharged?

Please check urgently .I have to submit the assignment A give an example of a function whose domain equals the set of real numbers and whose range equals the set? the set {-1,0,1} BGive an example of a function whose domain equals (0,1)and whose range

157. ## English

I'm not too sure about the answer to these questions, just want to double check. 3. What mood is conveyed by the words, “I am all longing,” in line 29 of “The Wife’s Lament”? angry frantic (my answer) hopeless 5. Which sentence BEST combines the

158. ## Statistics

A standard deck of cards contains 52 cards. Of these, 12 are face cards (kings, queens, and jacks), 13 are hearts, 13 are clubs, and 3 of these are both hearts and face cards. A card is drawn. What is the probability that the card is either a jack of

159. ## college-chemistry

calculate the ph of a buffer solution prepared by adding 0.397 mole of the sodium salt of a weak organic acid HA to 0.474 L of 1.023m acid HA with pka=4.82 and diluting to 1.00 L WITH WATER

160. ## math

HELP?! Unit rate for 54 hotdogs for 18 people? Show work so I can understand thanks!

161. ## Grammar

Which is correct? Make it equal to zero. Or Make it equals to zero. I think the second one is correct.

162. ## Math

Please help I have no Idea what to do here. A box with an open top is to be constructed by cutting a-inch squares from the corners of a rectangular sheet of tin whose length is twice its width. What size sheet will produce a box having a volume of 420 in^3

163. ## ela

how many people worked at the Triangle Factory ( the factory that was famous for waste and the factory caught on fire on March 25, 1911)

164. ## French

Is this written in correct french? Besides the little marks above the es. Sophie et Marc danse. Simone joue de la guitare. Sonya et Pierre mange. Giesele et Lus danse. Yves ecoute musique. Bryce danse. Ils sont alles a la plage. Ashley joue de la guitare.

165. ## geometry

I need help on this question. Write the contrapositive,converse,and inverse of the statement.Determine if its true or false.If its false give a coynterexample. If I live in Redlands,then I live in California.

166. ## science

A conatiner filled with marbles weighs 435 grams. The container weighs 28 grams. What is the mass of the marbles?

167. ## precalculas

If y varies inversely as the cube root of x, and y = 12 when x = 8, find y when x = 1.

168. ## Algebra2

Find the functional values f(-5), f(1), and f(3) for the compound function. 1. f(x)=|x-5| if x≤1 ; (1)/ (x+1) if x>1

169. ## probability and statistics

A 0.1μm diameter drop of 1mM protein solution is introduced into pure water centered at x. Assume proteins diffuse randomly by “stepping” a distance 0.1μm every millisecond. a. What is the density at x after 1 minute? b. How many protein molecules

170. ## programming

Write an algorithm that converts a decimal number to binary. Then, give the big-O for your algorithm.

171. ## math

Find the unknown number in each equation. 5a-3a= 18 a=

172. ## physics

Find x- and y-components of the vector \vec {v}=(2.0cm/s , - x-direction).

173. ## Government

How has the Voting Rights Act of 1965 expanded voting rights?

174. ## mth

What is the greatest common factors of 9 and 27 A.3 B.6 C.9 D.18 C?

175. ## math

please help me to solve this assignment : consider a 2D mirror has a parabolic profile of y = (x-3)^2 + 5 facing toward y^+ direction. Prove that any beam of light in y^- direction that this hits the mirror will be reflected toward a particular point (i.e.

176. ## physics

A golf ball is dropped from rest from a height of 8.40 m. It hits the pavement, then bounces back up, rising just 5.30 m before falling back down again. A boy then catches the ball when it is 1.20 m above the pavement. Ignoring air resistance, calculate

177. ## physics

A ball is thrown straight upward and rises to a maximum height of 14.6 m above its launch point. At what height above its launch point has the speed of the ball decreased to one-half of its initial value?

178. ## physics

The left ventricle of the heart accelerates blood from rest to a velocity of + 23.2 cm/s. (a) If the displacement of the blood during the acceleration is + 1.69 cm, determine its acceleration (in cm/s2). (b) How much time does blood take to reach its final

179. ## Math

Ned has 24 caramal candies, 18 mints,and 12 chocolate bars. he wants to divide the candies into groups so that each group has the same number of pieces of each ind of candy. What is the largest number of groups that ned can make A.2 B.4 C.6 D.12 B?

180. ## physics

A projectile is launched at an angle of 54.6 degrees above the horizontal with an initial speed of 225 m/s and lands at the same level from which it was launched. The range is 205 meters. The time of flight is how many seconds?

181. ## english

what word do these letters make

182. ## Math

Find the product or quotient. Write the strategy you used. Write model, break apart, multiplication table, inverse operation pattern, or doubles. 56/7=8 and 36/9=4 and I need help showing the strategy used. Please help thank you.

183. ## physics

A car is coasting backwards downhill at a speed of 2.6 m/s when the driver gets the engine started. After 2.5 s, the car is moving uphill at 4.6 m/s. Assuming that the uphill is the positive direction, what is the car's average acceleration?

184. ## Physics

A child is pushing a shopping cart at a speed of 1.5 m/s. How long will it take this child to push the cart down an aisle with a length of 9.3 m?

185. ## O chem

comment on suitability of running infared spectrum under the following conditions: A neat spectrum of liquid with a boiling point of 150 C is determined with salt plates. and same question but at 35 C

186. ## SS8R: The National Convention The Female Voice

Here it is: National Convention Speeches: The Female Voice During the month of September 2012, both the Republicans and Democrats held their national conventions. Several political figures, entertainers and everyday people were invited to speak in favor of

187. ## math

how do you estimate fractions with different denominators on a number line quickly? including mixed and improper fractions 4/7 8/9 3/2 1/3 1/2 5/8 9/11

188. ## English

Is it a hybrid car? I need the sentence pattern

189. ## Algebra

(2x+3)^(1/2)=4 (5x-5)^(2/3)=16

190. ## Chemistry

Could someone tell me how to use SI prefixes to convert within the SI unit system or link me to a website that teaches this? Thanks

191. ## math

(exponents and roots) Michael wants to fence in a new garden so that the garden has an area of 625 square feet. If his garden is in the shape of a square, what is the length of each side?

192. ## Math-unit rates

160 words typed in 4 minutes?

193. ## Physics 1

A bullet is fired from a rifle that is held 2.0 m above the ground in a horizontal position. The initial speed of the bullet is 1250 m/s. (a) Find the time it takes for the bullet to strike the ground. 1 s (b) Find the horizontal distance traveled by the

194. ## Algebra 1

I have to write an inequality for this word problem A kite can be flown in wind speeds no less than 7 miles per hour and no more than 16 miles per hour. Write an inequality for the wind speeds at which the kite can fly

195. ## physics

A projectile is launched at an angle of 58.5 degrees above the horizontal and lands at the same level from which it was launched 3.88 seconds later. what is the magnitude of the initial velocity?

7 5/8+2/3+

3x-6=15

198. ## Math

5.5 in long and 3.2 in wide must enlarge so that both dimensions are 1.8 times greater

199. ## math

x^4+16x^2+7x-11=0 Descartes’ rule of signs to find the nature of the roots of the equation

200. ## math

14. 10 5/18 – 8 5/6 = 15. 1/2 • –1 1/3 = 16. 5/8 ÷ 15/16 = 17. Write 13/4 as a decimal. Round to three decimal places

201. ## biology

Why are multicellular protista( seaweed) not classified in the plant kingdom?

202. ## pre-calculas

Find the function that is finally graphed after following transformations are applied to the graph of y=ãx in the order list 1. shift down 8 units 2. reflect the x-axis 3. reflect the y-axis

203. ## statistics

Pre study scores versus post-study scores for a class of 120 college freshman english students were considerated. The residual plot for the least squares regression line showed no pattern. The least square regression line was y = 0.2 + 0.9x with a

204. ## math

hanah is 60 inches tall. hanah is 1 inch taller than eli, who is 4 inches shorter than carrie. hall tall is carrier

205. ## math

simplify the expression. 48/2(9+3)

206. ## chemistry

a neat spectrum of liquid with a boiling point of 150 degrees celcius determined using salt plates

207. ## Math

Okay need some help! It's probably easier than I think(: Katie made a drink out of 3 gallons of juice and 9 quarts of club soda. How many 6-ounce glasses can she fill completely with the drink? A) 80 B) 112 C) 96 D) 384 Thanks.(: -Sarah

208. ## math

determine where grouping symbols should be placed so that the value of the expression shown below is 4. Justify your answer. 40-28/4+3*9

209. ## geometry

I have a 50 question assigment that its due tomorrow and I'm stuck on this question. "Write the contrapositive,converse,and inverse of this statement.Determine whether they are true or false.If its false.find a conterexample "Two angles measure 90 are

210. ## Math

Staring from the pit, Helen made three laps around a circular track at 40 seconds per lap. She than made a 30-second pit stop and two and a half laps before running off the track and getting stuck in the mud for the remainder of the race. Graph Helen's

211. ## English

I need a newspaper article (not an online article) that is relevant to teenager life

212. ## Algebra

For an art project, you make a square print with a side length of 8 inches. You make a frame using strips of wood 1 1/4 inches wide. What is the area of the frame?

213. ## Social St.

I did your opinion: "Why is security and government a good thing?"

214. ## geometry

I have a 20 qyestuon assigment that its due tomorrow,but i need help on this question. Determine if the conjecture is true or false.If its false give a conterexample. Given: two angles are supplementary. Conjecture: one angle is obtuse and one is acute.

215. ## math

we have box,in box 3 white balls,4 red balls,4 black balls..how i choose 2 black balls and 3 red balls successively?

216. ## Algebra2

Find and simplify a) f(a), b) f(a + h c) f(a+h)-f(a) / h ; h=0 1. f(x)=x^2+5x-10 HELP.

217. ## Math

Convert 2,640 feet per hour to miles per hour (mph) A) 5 mph B) 0.05 mph C)18 mph D) 0.5 mph

218. ## ELA

I also forgot to ask at the Triangle factory why were the floors of the building permitted to be made out of wood? sorry to bother but I am finished with the rest of this assignment but i seriously need big-time help with this. I looked at all of my

6x+7=25;3

220. ## Algebra2

Give the domain of the function. Help.. 1. g(x)= (5)/(x^2-25) 2. f(t)= 3t^2+5t+2 3. h(x)=√5x-2

221. ## Math

Unit rate 160 words typed in 4 minutes?

222. ## Physics

A meteoroid is speeding through the atmosphere, traveling east at 14.8 km/s while descending at a rate of 12.5 km/s. What is its speed, in km/s?

223. ## Algebra2

Graph the given function using the given values of x. Also use the graph to determine the domain and range of the function. 1. f(x)=x^2-1 ; x = -3, -2, -1, 0, 1, 2, 3 2. g(x)=√(x+1)-2 ; x = -1, 0, 3, 8 3. h(x)=|x-3| ; x = 0, 1, 2, 3, 4, 5, 6

224. ## math

determine where grouping symbols should be placed so that the value of the expression shown below is 4. Justify your answer. 40-28/4+3*9

225. ## Social Studies

How has the 24th Amendment expanded voting rights?

226. ## physics

what is the acceleration of a point on the time of a flywheel 0.90 m in diameter, turning at the rate of 1200 rev/min?

227. ## Math

A quilter has 6 yards of fabric that is 54 inches wide. The fabric weighs 3.4 ounces per square yard. What is the total weight of the fabric? A) 2 lb 2.4 oz B) 1 lb 4.5 oz C) 1 lb 14.6 oz D) 1 lb 13.6oz

228. ## math

Decide if it's permuatation or combination . 1-how many teams of 4 horses be made if there were 9 horses in total ? 2-mike has nice baseball trophies to arrange on the shelf . How many different ways can be arranged ? 3-in a math class , there are 24

229. ## Chemistry

a sample of an unknow metal exists as a perfect cube that meausres 0/78 in on a side and weighs 61.4 grams. what would be the mass, in grams, of a diff sample of this metal that has a volume of 25.0 cm^3

230. ## Algebra 2

how do you find the coordinates to the vertex of y=/x-14/+9 using the formula y=a/x-h/+k

231. ## physics

discuss the relationship of the following variables with the centripetal force: a.)radius of revolution b.)mass of the object c.)speed of revolution.

262. ## uvi St Thomas VI

There were 2,553 live births in the VI in 1980 and 1,649 in 2005 What formula should be used to calculate the percent change in the number of persons living in the VI from 2000 to 2005

263. ## algebra

5h+2(11-h)= -5

264. ## French(Again)

do these make sense? 1. Aller a un centre commercial ou un cafe. 2. Ils aller au cineama et faire des videos. 3. Jouer au tennis wet nager.

265. ## Algebra 2

1. √(x+4)=√(x-1)+1 2. 2√n+3=n

266. ## O Chem

Comment on the suitability of running a infared spectrum under these conditions A KBr pellet is prepared with a compound that melts at 200 C same question but at 30 C

267. ## math

how would you simplify this expressions 1. z+3+z to the power of 2 + 3z to the power of 2 + 4z to the power of 2

268. ## physics

A 826 g rocket, initially at rest, lifts vertically off the launching pad reaching a velocity of 373 m/s in 7.9 seconds. To the nearest tenth of a Newton, how much thrust (a type of force) acts to produce the rocket's motion?

You buy a car in 2005 for $7860 and it depreciates linearly. You sell the car for$5040 in 2011.... what does the domain represent in the function? what does the range represent in this function? what is the slope of the linear representation? what is the

270. ## math

can a forest that is 9/10 acre be divided into an even number of plots that are 1/7 acre? explain how you know?

asked by Kyle pls help Ms. Sue
271. ## computer

The major reason for the predominance of the PCI bus in the latest models of PCs is that

272. ## Math

The following three points are produced by some quadratic function of the form : f(x) = Ax^2 + Bx + C where A; B and C are real numbers and A = 0; they are (1/2,0);(0,10); and (4,0). Find a quadratic function that satisfy es these three points.

273. ## physics

physics - asa, Tuesday, September 18, 2012 at 1:25pm can yu help me thanks in advanec. imageshack . us /photo/ my-images//593/questionpb.png/

274. ## math

when you do the subtraction 4126-2487, you regroup 1 thousand to 10 hundreds. does that give you 11 hundreds. explain

275. ## writing sentences and paragraphs

Paragraph 1 Background You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to evaluate your writing skills. The paragraph must

276. ## Physics

A volleyball is spiked so that it has an initial velocity of 14 m/s directed downward at an angle of 58° below the horizontal. What is the horizontal component of the ball's velocity when the opposing player fields the ball?

277. ## Algebra 2

1. [3x^(5/2)]-9=0 2. [(x^2+9x+22)]^(3/2)=8 3. [(2x+3)]^(1/2)=4 4. [(5x-5)]^(2/3)=16

278. ## English

Word bank: Adverse arid assailant billow confront constrain contemporary depict disinterested encompass groundless hypocrite incomprehensible manipulate maximum mimic ruffle serene sheepish stamina If you (billow confront) your problems honestly and openly

279. ## science

Which is more concentrated, 5g sugar/500ml water or 3g salt /75ml of water. Show your work

280. ## Math

A triangle has one side that is 4 inches long and another side that is 4.5 inches long. The angle that is between them is 80°.

282. ## science

what is the density of a piece of wood that has a mass of 85.0 grams and a volume of 100.0 cm 3 ?

283. ## English

Select the sentence in which all pronouns are used correctly. A. I sat between him and her during the sales conference. B. Just between you and I, I am not impressed by our new manager. C. Be sure to divide all income from the suburban property between he

284. ## Chemistry

Could someone give me the steps to converting using the metric system scientific notation? For example, how would I convert 2.2 x 10^2 cm to km? Thanks ( I try Google but they only teach how to convert it when it not in scientific notations form)

285. ## physics

A golf ball is hit with an initial velocity of 50 m/s at an angle of 39 degrees above the horizontal. How far does it travel?(horizontal distance)(g = 9.8 m/s2). I made a right triangle. Found that Vi(x)=38.857, Vi(y)=312.466, both Vf's were 0, although

286. ## physics

a heavy crate accidentally falls from high flying plane just as it flies directly above a shiny red car parked in a lot. relative to the car, where does the crate crash?

2x+3x

288. ## sta luces

graph -20x-45y=48

289. ## Chemistry

What mass of Ca(OH) 2 is required to make 1.5 l of a 4.0% (w/v) solution of Ca(OH)2 in water?

290. ## Pre-Ap Algebra 2

if the graph of the equation 3x+by=2 is perpendicular to the graph of 2x-3y=-4 determine the value of b

291. ## physics

A bus slows down uniformly from 68.4 km/h to 0 km/h in 23.7 s. How far does it travel before stopping?

292. ## math

factor this 6e^4s^5-2r^2s^3+14r^3s^4 r^4-11r^3+24r^2

293. ## Algebra 2

5/(2y+6)+1/(y-2)=3/(y+3)?

294. ## Math

Verify that y=e^abs(x) is a solution to y'-y={-2e^-x, x= 0 on each of the intervals (-infinity,0) and (o, infinity).

295. ## Math

Find two pairs of numbers with the given number as their least common multiple. (LCM) 10, 36 60, 105

296. ## english

what past participle of agree

297. ## pre-calculas

write a function whose graph is the graph of y=x^2, but is shifted to the left 6 units.

298. ## theory practice

a child who moved from throwing a ball using only an elbow movement to throwing a ball is showing signs of --- development.

299. ## Math

24. Multiple Choice. For which pair is the greatest common factor 8? A. 2 and 4 B. 7 and 15 C. 32 and 64 D. 56 and 72

300. ## precal

solve for x: (x^2-2x)^2 -11(x^2-2x)+24

301. ## precal

Solve for y: (y-(10/y))^2+6(y-(10/y))-27=0

302. ## Applied Calc

f(x) = 7x-4x^ at (-2,-30) find slope m of tangent line

303. ## History

What led to the success of Plymouth and the Massachusetts Bay settlements?

304. ## theory to practic

according to leeds, at snack time,children should be given----- of each food for each year of their life

305. ## Stats

Problem 29. Demand for cookies (Q) is given as follows: Q = 180/Pc + I/Pd + 3 Pc = price of cookies I = income Pd = price of donuts Note: Q=28, Pc=10, Pd=7 Given the above information what is the price elasticity of demand at Q=28?

306. ## Math

Addition and subtraction equation. w - 8 = 26 w - 8 + ? = 26 + ? w = ?

320. ## theory practice

when a child pulls up in an attemp to maintain an upright position he,is demonstrating an -------refelx.

321. ## statistics

A correlation of 0 always means there is no relationship between x and y true or false?

322. ## english

research plan, what does it mean - birth control why do you think this research question is appropriate for a research paper birth control

323. ## theory practice

which of the following is best suited to formative assessment of progress

324. ## statistics

Can categorical data be graphed using a boxplot?

325. ## Math

Ally loves the beach and decides to spend the summer selling various ice cream products on the beach. From her account course, she knows that her total cost is calculated as Total Cost= Fixed Cost + Various Cost She estimates that her fixed cost for the

326. ## statistics

If a distribution is skewed, should the mean must be smaller than the median?

327. ## physics

A 4.85-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.440. Determine the kinetic frictional force that acts on the box when the elevator is (a) stationary, (b)

328. ## theory practice

a child who hast learn the prerequisite fundamentals needed for a combiantion of motor patterns is suffering from?

329. ## math

paula and manda were asked to write and expression to find the total number of shoes in a closet. let s represt the number of pairs of shoes. paula wrote s and manda wrote 2s. who is correct and why?

5t=t-7

331. ## us history

I need your view on "Do you think the development of the New Word would've still taken place if it wasn't for Columbus' selfish motives?"

332. ## Shurley

The first candy bar I had was a Milky Way.

333. ## Chemistry - radioactive decay .

list 2 reason why this isotope of gold- 191 would not be a good substitute for making jewelry?

334. ## Physics 1

A jetliner is moving at a speed of 305 m/s. The vertical component of the plane's velocity is 38.9 m/s. Determine the magnitude of the horizontal component of the plane's velocity.

335. ## Physics

A meteoroid is speeding through the atmosphere, traveling east at 14.8 km/s while descending at a rate of 12.5 km/s. What is its speed, in km/s?

336. ## Math

A developer plans to build houses around lake okeebele. Most of his customers want to buy about 100 feet of lakefront. How many lots can the developer build around the lake? scale 100 feet=10,000 square feet

337. ## theory practice

a child throws a ball with speed and accuracy when he plays catch with his teacher but his throws are slower and less accurate when he plays with a group of friends this difference is explained by?

338. ## theory practice

which of following is an exanple of closed skill?

339. ## Algebra

Find an equation for the line satisfying the given conditions.Through (3, 3) and parallel to 4x - 3y = 6. y=?

340. ## Common ways

What is a common way we may need help?

342. ## Math

Tom needs carpet for his living room (11x 10 ft) and his bedroom room (20 x 16 ft). At $14.99 per square yard installed or$19.99 per square yard installed. How much would he save by choosing the cheaper carpet?

343. ## Math

Verify that y=e^abs(x) is a solution to y'-y={-2e^-x, x= 0 on each of the intervals (-infinity,0) and (0, infinity).

344. ## math

f(x)=x+2/x-5, g(x) = (6X-12)/(x^2 + 25) what is (f+g)(x)?

345. ## math

f(x)=x+2/x-5, g(x) = (6X-12)/(x^2 + 25) what is (f+g)(x)?

346. ## geometry

"Determine whether the conjecture is true or false.Give a counterexample for any false conjecture". Given: x = 5 Conjecture: m = 5 PLEASE HELP!!!

347. ## math

f(x)=x+2/x-5, g(x) = (6X-12)/(x^2 + 25) what is (f+g)(x)?

348. ## math

f(x)=x+2/x-5, g(x) = (6X-12)/(x^2 + 25) what is (f+g)(x)?

349. ## math

12p - 3 - 17p + 42

350. ## Math

Suppose an isosceles triangle has perimeter 10 cm. Find an expression for its area A as a function of the length of its base b (assume that the other two sides are the sides of equal length). What is the domain of A?

351. ## english

How do you write "Some of the biggest fish are sharks the very biggest is the whale shark" correctly?

352. ## Math

Ally loves the beach and decides to spend the summer selling various ice cream products on the beach. From her account course, she knows that her total cost is calculated as Total Cost= Fixed Cost + Various Cost She estimates that her fixed cost for the

353. ## IB Math Studies

I saw a similar post earlier. I also want to see who has better memory out of men and women. I was thinking of testing ability to remember a series of simple objects or number sequences. Could I use chi-squared, HOW could I use it? Any other sophisticated

354. ## Physics

I am in need of some basic tools in which to become better prepared to excel in my "Conceptual Physics" college course. I am a retired veteran of the Army and have not been in school for 25 years. Some reference charts for Trigonometry, basic glossary for

355. ## geometry

I relly need help on this question. "Determine whether the conjecture is true or false.Give an example if its false". Given: angle ABC,angle DBE are congruent. Conjecture:They are vertical angles.