1. Physics

A 0.280 kg croquet ball makes an elastic head-on collision with a second ball initially at rest. The second ball moves off with half the original speed of the first ball. (a) What is the mass of the second ball? (b) What fraction of the original kinetic

2. math

A musician plans to perform 5 selections for a concert. If he can choose from 8 different pieces, how many ways can he arrange his program?

3. Physics

The highest that George can suck water up a very long straw is 2.0 m. (This is a typical value.) What is the lowest pressure that he can maintain in his mouth?

4. Chemistry

Compare the bond enthalpies of the nitrogen-nitrogen single, double, and triple bonds. Based on this information, what is the average pi-bond contribution to bond enthalpy? single: 163kj/mol double: 418kj/mol triple: 941kj/mol

its in Algebra 1 ! the riddle is whom should you see at the bank if you need to borrow money. its 15 letters. a teller doesnt fit. i don't know ! i need help ! PLEASE

6. physics

a box with mass 20kg rests on a frictionless ramp with a 15degree slope. a mover pulls up on a rope attached to the box to pull it up the incline. if the rope makes a 40 degree angle with the horizontal, what's the smallest force that the mover will have

7. Trig

From a point A on the ground, the angle of elevation to the top of a tall building is 24.1 degrees. From a point B, which is 600 ft closer to the building, the angle of elevation is measured to be 30.2 degrees. Find the height of the building. PLEASE HELP

8. biology

A cross between two pea plants with axial flowers and inflated pods gives the following offspringg: 20 with axial flowers and inflated pods, 7 with axial flowers and constricted pods, and 5 with terminal flowers and inflated pods. What is the most probable

9. Physics

A 3800 kg open railroad car coasts along with a constant speed of 8.60 m/s on a level track. Snow begins to fall vertically and fills the car at a rate of 3.50 kg/min. ignoring friction with the tracks what is the speed of the car after 90.0 minutes?

10. physics

Three people attempt to haul a heavy sign to the roof of a building by using three ropes attached to the sign. Abby stands directly above the sign and pulls straight up on a rope. Eric and Kim stand on either side of Abby. Their ropes form 30.0 degree

11. orgenic chemistry

which starting material is the limiting reagent in this procedure? which reagent is used in excess?How great is the molar excess(how many times greater)?

12. orgenic chemistrry

why is the reaction mixture extracted with sodium bicarbonate?give an equation and explain its relevance.

13. statistics

In a local university,40% of the students live in the dormitories. A random sample of 80 students is selected for a particular study. What is the probability that the sample proportion (the proportion living in the dormitories) is between 0.30 and 0.50?

14. physics

Tarzan swings on a 27.0 m long vine initially inclined at an angle of 35.0° with the vertical.(a) What is his speed at the bottom of the swing if he starts from rest?

15. apush

how could trusts purchase a senate seat in the late nineteenth century? what bias did the founding fathers demostarte in their procedure for electing senators?

16. college chem

calculate the density of O2 gas( in g/L) at 1.22 atm and 25 degrees C

17. geometry

If two line are parallel and the slope of one of the lines is m, what is the product of thir slopes?

18. Chemistry

HCO2H(g) ¨ CO2(g) + H2(g) The half-life for the reaction at 550 ‹C is 24 seconds. How many seconds does it take for the formic acid concentration to decrease by 75%?

19. Programming & Algorithms

Consider the algebraic expression E=(2x+y) (5a-b)^3. Draw the tree T which correspond to the expression E and find the pre-order traversal of T.

20. math

The average score on a reading test for 58 students was 87.3. Twelve more students took the test. The average of the 12 students was 90.7. What was the average for all students?

21. stats

An automobile repair shop has determined that the average service time on an automobile is 2 hours with a standard deviation of 32 minutes. A random sample of 64 out of 400 services is selected. What is the probability that this sample will have a mean

22. chemistry

This is a lab question...I don't understand how to do it. A solution consisting of isobutyl bromide and isobutyl chloride is found to have a refractive index of 1.4194 at 20 degrees celsius. The refractive indices at 20 degrees celsius of isobutyl bromide

23. Literature

2. At one point in Whitman's poem, "When I Heard the Learn'd Astronomer", the speaker a. falls asleep and dreams of start b. argues with the astronomer c. wanders off by himself d. writes the astronomer a fan letter B? Thanks -MC

24. Physics

A orbiting satellite stays over a certain spot on the equator of (rotating) Mercury. What is the altitude of the orbit (called a "synchronous orbit")?

25. Economics

A tract of land is found to contain a plant from which drug companies can extract a newly discovered cancer-fighting medicine. This variety of plant does not grow anywhere else in the world. Initially, the many owners of lots within this trtact, who had

26. Physics 30

An object located in front of a concave mirror with a radius of curvature of 80 cm produces an invert image that is three times the size of the object. Calculate the distance between the object and the mirror.

27. Chemistry

I need to write a hypothesis for a limiting reactant and excess reactant lab. Not sure what to write?

28. Geometry HELP!!

I need help with my geometry hw, i need to now wat the properties are for the following statements. 1. If 2x=6, then x=3 2. If 42 degrees + measure of angle 2 = 90 degrees, then measure of angle 2 = 48 degrees 3. If measure of angle D = 40 degrees and

29. Physics

60 cm^3 of gasoline are mixed with 55 cm^3 of water. What is the average density of the mixture? the density of gasoline: 680

30. chemistry

one method for favoring the formation of an ester is to add excess acetic acid. sugest another method,involving the right-hand side of the equation,that will favor the formation of the ester.

31. Physics

A orbiting satellite stays over a certain spot on the equator of (rotating) Mercury. What is the altitude of the orbit (called a "synchronous orbit")?

32. physics

Dan applies a force of 92 N on a heavy box by using a rope held at an angle of 45 degrees with the horizontal. What are the vertical and horizontal components of the 92 N force?

33. literature: poetry,part 1

Which one of the following lines best illustrates personification? A. The fog comes on little cat feet. B. Spring is a dream unsung. C. She floated graceful as a dove. D. A narrow wind complains all day.

34. Physics

A 10kg box is pulled a distance of 100m along a level floor at constant velocity using a force of 40 N at an angle of 35 degrees above the horizontal. If the box is pulled at constant velocity, what is the coefficient of friction between the bottom of the

35. orgenic chemistry

why is the reaction mixture(isopentyl acid, glacial acetic acid,concentrated ssulfuric acid) extracted with sodium bicarbonate?give an equation and explain its relevance

36. chemistry

one method for favoring the formation of an ester is to add excess acetic acid. sugest another method,involving the right-hand side of the equation,that will favor the formation of the ester.

37. physics

Kym is in a boat traveling 3.8 m/s straight across a river 240 m wide. The river is flowing at 1.6 m/s. a) What is Kym’s resultant velocity? - b) How long does it take Kym to cross the river? - c) How far is Kym downstream when she reaches the other

38. math

soybean meal is 14% protein, corn meal is 7% protein how many lbs of each should be mixed together in order to get 280 lb mixture that is 13% protein>>?

39. physics

A skier skis down a 25 m high frictionless ski slope. How fast will she be moving at the bottom of the slope if: A) She starts from rest at the top B) She starts out with a velocity of 10 m/s

The demand curve for a monopolist is Qd = 500 - P and the marginal revenue function is MR = 500 - 2P. The monopoloist has a constant marginal and average total cost of \$50 per unit. a. Find the monopolist's profit maximizing output and price b.Calculate

41. orgenic chemistry

why is the reaction mixture(isopentyl acid, glacial acetic acid,concentrated ssulfuric acid) extracted with sodium bicarbonate?give an equation and explain its relevance

42. Physics

A tennis ball of mass m = 0.065 kg and speed v = 25 m/s strikes a wall at a 45° angle and rebounds with the same speed at 45° (Fig. 7-29). What is the impulse given the wall? I started out with finding the momentum and doubling it to get the impulse on

43. algebra

if you have 88 ft of fencing to enclose a rectangular plot but don't fence one side, find the length and width of the rectangle that will maximize the area

44. college

First write the value that makes the denominator zero then solve the equation x-8/2x+5=x+6/x

45. calculus

One side of a right triangle is known to be 45 cm long and the opposite angle is measured as 30°, with a possible error of 1°. (a) Use differentials to estimate the error in computing the length of the hypotenuse. (Round the answer to two decimal

46. science

on a large-scale topographic map, how are airports and major highways treated differently than houses and small features?

47. physics

A skier skis down a 25 m high frictionless ski slope. How fast will she be moving at the bottom of the slope if: A) She starts from rest at the top B) She starts out with a velocity of 10 m/s

48. math

average of rainfall reno-0.19mm sahara-0.17mm mojave 0.1mm tempe-0.24 question in december the average total rainfall in all of the deserts together is 0.89 mm. explain how to use the figures from the tables to write a comparison of the total desert

49. math

Twenty-seven students averages 70 on their midterm. Could 21 of them have scored about 90?

50. math

Which of the following conditions ensures that a quadrilateral is a parallelogram? A) A pair of opposite sides are both congruent and parallel. B) Both pairs of opposite sides are congruent. C) A pair of opposite sides are congruent. D) All of the above

51. Physics

One very long wire carries a current of 30A to the left along the x-axis.A second very long wire carries a current of 50A to the right along the line(y=0.280m,z=0) A)Where in the plane of the two wires is the total magnetic field equal to zero? B)A

52. world history

how did cultural diffusion occur between Europe and Asia?

53. literature

Which one of the following lines best illustrates personification? A. The fog comes on little cat feet. B. Spring is a dream unsung. C. She floated graceful as a dove. D. A narrow wind complains all day

54. Calculus

Use Newton's method to approximate a root of the equation (2 x^3 + 4 x + 4 =0) as follows. Let (x_1 = -1\) be the initial approximation. The second approximation (x_2) is ? and the third approximation (x_3) is ?

55. accounting

Question 2.) Hawkeye Electric Company engaged in the following transactions during July. July 2 – Purchased inventory for cash, \$800 July 5 – Purchased store supplies on credit terms of net eom, \$600. July 8 – Purchased inventory of \$3,000, plus

Jean owns five acres of land in aea of single-family homes on mostly one acre plot.Jeans property contains her house and three outbuildings. Among the animals housed in the outbuildings are a dog and a tiger,Mary a neighbor is jogging past Jeans property.

57. Calculus

Use linear approximation to estimate the amount of paint in cubic centimeters needed to apply a coat of paint 0.040000 cm thick to a hemispherical dome with a diameter of 60.000 meters

58. physics

Beth, a construction worker, attempts to pull a stake out of the ground by pulling on a rope that is attached to the stake. The rope makes an angle of 60.0 degrees with the horizontal. Beth exerts a force of 125 N on the rope. What is the magnitude of the

59. finance

Brown Enterprises’ bonds currently sell for \$1,025. They have a 9-year maturity, an annual coupon of \$80, and a par value of \$1,000. What is their current yield?

Almost everyone at the Bright Corporation reads a daily newspaper on a regular basis. In fact, altogether te company employs 2,940 people,of whom70% read The Daily News,45% read The Courier and 60% read The inquirer. One fourth of the employees reads The

61. Chemistry

what is an meant by Give an empirical definition of electrode and electrolyte???

62. math

Henry's z-score on his reading test was 1.27. The class average was 60, the median was 58.5 and the variance was 6.2. What was Henry's "raw" score (his score before converting to z-scores)

63. math

significant numbers 2.8723 * 1.6 = 4.59568. Is it 4.6 because it is the smallest number you are multiplying it by in the sum? e.g. 2.8723 has 5 signifigant figures but 1.6 has 2 so the answer has no more than 2.Smallest number of significant figures. With

name the 50 states in alphabetical order?

65. physics

Find the magnitude of the resultant of a 40 N force and a 70 N force acting concurrently when the angle between them is: a) 0.0- b) 30.0- c) 60.0- d) 90.0- e) 180.0-

Which sentence has 2 adverbs? She quickly ran across the bridge. or He finished the paint job very efficiently.

67. science

how have computers changed mapmaking in recent years? And What is the Global Positioning System?

68. history

What would be a good thesis statement for my intro paragraph? Effect and Evolution of African Americans in Minnesota Intro The first Great Migration occurred after the Civil War and after the 13th amendment was passed. With the passing of the 13th

69. nutrition

Compose an essay that answers the following questions: What arguments are being raised by the Grocery Manufacturers of America? Are they taking responsibility as contributors to the obesity epidemic? If yes, list them. If not, why not? Are they

70. Social Studies

One goal of Christopher Columbus,Jacques Cartier, and Henry Hudson was to: (a)settle New York state (b)explore the Great Lakes (c)find a shorter water route to Asia

What is chemical formula of copper(ll) sulfide?

Bobby subtracted 75 - 45 and said the answer is 30. Is his answer reasonable? why or why not?

73. to Miss Sue

Miss Sue who are you? Do you work for this website or do you have nothing else to do? Just asking because my Mom says I should not trust you.

74. biology

One rule of probability can be expressed as the following: The probability of two independent events occurring simultaneously is the product of the probability of their occurring separately. If, for example, you had a pair of dice and rolled each die one

75. biology

One rule of probability can be expressed as the following: The probability of two independent events occurring simultaneously is the product of the probability of their occurring separately. If, for example, you had a pair of dice and rolled each die one

76. MO theory regarding heteronuclear diatomic molecul

Hi all I am having trouble finding the MO order for heteronuclear diatomic molecules: In my textbook, heteronuclear order is listed as: 1o 2o 3o 4o 1pi 5o 2pi 6o where o = sigma When I first saw it, I was confused; how can the above be correct? If one were

77. Writing a 2 column proof..

I have no idea where to start! and I've got lots of these to write. Directions say write a two-column proof... Given: segment AB is congruent to segment XY, AC is is congruent to XZ, and BC is congruent to YZ. Prove: triangle ABC is congruent to triangle

78. chemistry

An argon ion laser puts 5 W of continuous power at a wavelength of 532 nm. the diameter of the laser beam is 5.5 nm. if the laser is pointed at an object, how many photons of laser will strike the object per second.|(1W=1Js-1).

79. math

on the moon, the acceleration due to gravity is 1.6m/ sec 1. If instead of being released from rest, the rock is thrown into the crevasse from the same point with a downward velocty of 4m/sec, when will it hit the bottom and how fast will it be going when

80. Grammar

Which sentence does the verb have a direct object? She is insecure. or They won the game. I cannot tell which is correct.

81. Calculus

What is lim (t^3 + 1)/(t lnt) x->infinity

82. Run-on Sentences

Is this a run-on sentence? "I thought about what he'd said soon I realized he was right." I think it is. Just want to be sure.

83. Atmospheric Science

The 15th floor meteorological observatory of the O&M building is 188 ft from the level of the main entrance. Assume that the temperature at the entrance is 25 degrees Celcius, that station pressure is 1000 mb, and the mixing ration is .010 kg/kg. What is

84. conceptual physics

if you throw a ball straight upward at a speed of 10 m/s, how long will it take to reach zero speed? how long will take to return to its starting point? how fast will it be going when it returns to its sparting point?

85. Chemistry

Modified Arrhenius theory question? using the modified Arrhenius theory, write a chemical reaction equation to explain the acidity of glycolic acid.

86. science

which of earth's spheres extends into all others? i think it would be the Biosphere because overlaps virtually the entire hydrosphere and portions of the atmosphere

87. english

In emphasizing the importance of individual thinking and basing one's beliefs on one's own experiences, Sojourner shows she has much in common with

Airline pricing is a good example of price discrimination. Airlines set different prices for first-class and excursion. Suppose the economics division of a major airline company estimates the demand and marginal revenue functions for first-class and

89. History

This is my last question for tonight I promise. History and me don't go together because they use words that I don't understand. What does this mean in simpler terms and i don't understand what it means by Free Soil Jacksonians and settle the American West

91. science

explain what the grid of straight and curved lines is on a map

92. math

Solve by elimination method. 2r-5s=-33 5r+2s=48 I keep getting different answers... I can never get these right.... so first I multiply the first equation by 2 and the second by 5?

93. English

Help:Please change show me anthing that I need to do, by placing the correct form at the it the bottom of the essay. Topic: What is your biggest regret in life? My Biggest Regret Everyone has had some regrets about something in life. Some of the regrets

94. psychology

1)When conditioning takes place, behavior is associated with? a. ideas b. stimuli, consequences, or both c. events in the environment d. both b and c are answers. my first answer was b but this was wrong. Is the correct answer d? 2) In classical

95. ap us history

how could the trusts purchase a senat seat? what bias did the foounding fathers demostarte in their procedure for electing senators?

96. physics

A 1kg mass is suspended from a vertical spring with a spring constant of 100 N/m and the equilibrium position is noted. The spring is then pushed upward (compressed) a distance x=10 cm before the mass is released from rest. How fast will the block be

97. Calculus, implicit differentation

the equation is x^2 + y^2 =sqrt(7) i knw 2x+2y dy/dx= don't knw if sqrt(7)= 0 for this problem or 1/2(7)^-1/2 so wat do i do for sqrt(7) in this problem?

98. Swine Flu

Whats a good trust worthy site about the great pandemic of 1919? Do you know anything good?

99. math

A room measures 15 ft by 19 ft. The ceiling is 10 ft above the floor. The door is 3 ft by 7 ft. A gallon of paint will cover 78.2 ft2. How many gallons of paint are needed to paint the room (including the ceiling and not including the door). Round your

100. English

Practice makes perfect. This proverb is very important not only for students but also for almost all people. When you practice hard, you can become perfect. You have to spend time reading books, memorizing useful expressions and writing sentences by

101. Psychology

1) The type of learning that involves reasoning, problem solving, language, memory, association of ideas, and other mental processes is Cognitive learning. Is this correct? 2) When you are figuring out how to memorize information for your college tests,

102. physics

find the distance light travels from its starting point, S, to its final point, F, by traveling two different paths: Note: you'll need to know Pythagorean Theorem.

103. Biology

Respiratory system questions? how does cigarette smoking affect the mucous layer in the bronchioles why does the buildup of tar in the bronchioles limit air flow in what area does a tumor begin to develop

104. Algebra

translate to an algebraic expression, the product of 11% of some number

105. statistics

need help on this hw question Scuba-diving trips The mailing list of an agency that markets scuba-diving trips to the Florida Keys contains 60% males and 40% females. The agency calls 30 people chosen at random from its list. What is the probability that

106. Stats

The heights of women in the US approximately follow a bell shaped curve. What do you think that means?

107. science

What is a chemical reation?

108. Calculus

Find a) lim (ln x)^1/x x->infinity b) lim (x-1)^lnx x->1+

109. Social Studies

Which battle was the turning point of the Revolutionary War? (a)Saratoga (b)Long Island (c)West Point (d)Fort Ticonderoga

110. Accounting

Given the following information for the fiscal year ended June 30, 2001: Product sales: 28,189,612 Service sales: 11,688,793 Cost of goods sold- products: 10,633,956 Cost of goods sold- services: 5,869,106 Operating expense: 14,904,460 Pre-tax operating

111. Algebra

In words, explain the difference between (-1)1/2 and (-1)2/4?

112. Statistics

A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for their fathers. She has found that for the general population the distribution is skewed to the right, the mean degree of affection

113. Analysis and Design

assumptions to consider when organizing a graduation pool party

114. More Grammar

I cannot tell which is a predicate adjective: He looks ill today. He looks disdianfully at the pile of laundry. Ill or Disdainfully?

115. Calculus

Using L'Hopital's rule find the limit if exists of; lim x->1 (cosx)/(pi-2x) I got (sinx)/2 but i am not sure about this> Can anyone help me out

116. algebra

Solve by elimination method. 2r-5s=-33 5r+2s=48 Solve by substitution method. 5x+6y=5 x-9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it..

117. Pre-Calc

Gold weighs 19.3 grams per cubic centimeter (cc), and silver weighs 10.5 grams per cc. A. Write a formula for the weight of one cc of a mizture of silver and gold in terms of the volume of gold in the cc. B. If one cc of mizture weighs 12.7 grams, what is

118. Analysis and Design

So far I have : Project goals: To provide enough food and drinks for over 200 guests, in addition to making certain all students and guests have a fun and safe experience at our graduation pool party; to supply “echo-friendly” party supplies; thus

119. math

Joe has \$10,000 to purchase a used car. If the sales tax is 7% and the fee for title and license plates is \$200, what is the maximum amount Joe can spend for a car?

120. grammar

what is a declarative sentence and a complex sentence?

121. psychology

What are some benefits or advantages of being old (80 years old and up)?

122. math

A community college has 3,000 students and 90 instructors. The college plans that enrollment will be 3,500 next year. How many new instructors should be hired if the college wants to keep the same student to instructor ratio?

123. math

Trains A and B are traveling in the same direction on parrallel tracks. Train A is traveling at 60 mph, and train B is traveling at 80 mph. Train A passes a station at 11:15 a.m. if train B passes the same station at 11:30 a.m. at what time will train B

124. math

what is the inequality: x + 14 < -11

125. American National Government

I am writing a paper about the ways in which the federal and state bureaucracy affects my life and I am a little stumped. I work in a elementary school and I know that both the federal as well as the state bureaucracy affects my life but I'm not sure what

126. math

An arithmetic student needs at least a 70% average to receive credit for the course. If she scored 86%, 77%, and 64% on the first three exams, what is the lowest score she can get on the fourth exam to receive credit for the course?

127. math

How do you solve 2v^2-5v+2

128. Chemistry

What the density of 100 mL of HCL at 18 degree C?

129. math

What is the expanded notation in 426?

130. alison

I have to do a lot of homework problems like this but I do not really understand how to do any of them. Can someone show me how to do this one so I can do the rest of my homework problems on my own? Thanks. Let A = (a, f(a)) and B = (b, f(b)) Write an

131. Geometry HELP!!

I need help with my geometry hw, i need to now wat the properties are for the following statements. 1. If 2x=6, then x=3 2. If 42 degrees + measure of angle 2 = 90 degrees, then measure of angle 2 = 48 degrees 3. If measure of angle D = 40 degrees and

132. Math

How do you do a patchwork desigin for a large triabgle for 5 rows??

write the missing number to make number sentence true. ______=(25/5)+(8*4) next on i don't get it what is (20 DIVIDE 4) dIVIDE =5

134. math

solve by substitution method. 5x + 6y =5 x = 40 -9y first I rewrite to y=mx+b I get: 6y=5x+5 -9y= x +40 after that I am lost..... can someone please help me??

135. geometry

solve the riddle i am a polygon i have two right angles i have only one pair of parallel sides

136. Literature

'Make a list of the sounds, smells, tastes, and sights from you daily life that make you happy. Call your list 'Daily' meaning they happen every day.' [My list]: my cat and family [sight] food, flowers in the garden[taste/smell] cars [sound] 'Now expand

137. math

Solve by elimination method. 2r-5s=-33 5r+2s=48 Solve by substitution method. 5x+6y=5 x-9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it..

138. Math

How to write one half percent?.05% or .5%?

Mis sueños son criar una familia en el futuro y ofrecer una casa cariñosa. Mi casa ideal incluye una cocina grande, muchos baños, un patio afuera, y un mínimo de tres plantas. Yo quiero una cocina grande porque me encanta cocinar y pienso que reunirse

What qualities make any form of written communication effective

141. sat essay

please give me some advice. thank u! assignment:Is the way something seems to be not always the same as it actually is ? Most people tend to consider what they see as facts or truth. As far as I am concerned, what we see is sometimes conceiving and

142. algebra

Trains A and B are traveling in the same direction on parrallel tracks. Train A is traveling at 60 mph, and train B is traveling at 80 mph. Train A passes a station at 11:15 a.m. if train B passes the same station at 11:30 a.m. at what time will train B

The main reason the Iroquois Confederacy was formed was to: (a)fight against the Onondaga (b)achieve peace among member nations (c)unite to battle the European colonies

144. Grammar and Composition

There are some people in this world that you can’t live without, and then there are some other people who you just can’t bear to live with. That second category is the one that I have to deal with all day, everyday. Sure she’s a few years younger

145. ART paper

This is for my art paper but i was wondering if somebody can check my grammar mistakes...I'd really appreciate it..it is due 11/12/09 Formal Analysis: A Geometric krater, from Dipylon cemetery, Athens date back to 750BC from Geometric Period, is of the

146. Grammar and Composition

There are some people in this world that you can’t live without, and then there are some other people who you just can’t bear to live with. That second category is the one that I have to deal with all day, everyday. Sure she’s a few years younger

147. Analysis and Design

Project "goals" for a high school graduation pool party.

148. History-Ms.Sue

Can you please explain to me what this means. All I got out of it was that Jackson favored a federal government with limited powers. But how does that connect to what strict constructionism is? Strict Constructionism Like the Jeffersonians who strongly

149. History-Ms.Sue

Can you please explain to me what it means by the Jacksonians favored a hands off approach to the economy? Laissez-faire Economics Complementing a strict construction of the Constitution, the Jacksonians generally favored a hands-off approach to the

150. chemistry

What is the most common structural feature of chiral organic molecule?

151. science

Which of Earth's spheres extends into all others? explain how

152. science

on a large-scale topographic map, how are airports and major highways treated differently than houses and small features?

153. science

what are the curved lines on a map?

154. algebra

Trains A and B are traveling in the same direction on parrallel tracks. Train A is traveling at 60 mph, and train B is traveling at 80 mph. Train A passes a station at 11:15 a.m. if train B passes the same station at 11:30 a.m. at what time will train B

155. Social Studies

During the time of Troy and the Trojan war was it common for the king and his wife to be buried near each other? Website refs would be great also... thanks:)

156. thesis statement

"A nation Apart" How do you plan to support your thesis with compelling arguments and counterarguments?

157. Biology

1 What is the organelles that package and stor proteins (2 words) ?

158. sat essay

please give me some advice. thank u! assignment:Is the way something seems to be not always the same as it actually is ? Most people tend to consider what they see as facts or truth. As far as I am concerned, what we see is sometimes conceiving and

159. AP Chemistry

What is the specific solubilities (in g/100 g H2O) in both cold and hot water for AgCI, PbCI2, and Hg2CI2?

What does H.U.G.S. stand for? Like H stands for - then U stands for - something like that... Thanks if anyone can help!!

161. math

How do I work out Logs on my calculator to do the sum Log6x=0 or Logx64=2. I have a sharp EL-EL531WH Advanced D.A.L. What is x? This is how I work this one out on it, Log2^16=4 I do Log big number 16 /Log small number 2 = 4.

name the planets of the solar system in order from the sun out?

163. alison

I have to do a lot of homework problems like this but I do not really understand how to do any of them. Can someone show me how to do this one so I can do the rest of my homework problems on my own? Thanks. Let A = (a, f(a)) and B = (b, f(b)) Write an

164. mathematics

Mell and Lynne both go to the movies. They started with \$12.50 and left with \$8.00 how much money did Mell spend on Lynne??

What is Mary Ludwig Education as an child

166. SYSTEM DESIGN

Could someone re-word this for me?? My instructor did not like the structure: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Soon after warm weather ,and springtime rolls around, high school seniors across the country have only one thing is on his or her

167. math

An arithmetic student needs at least a 70% average to receive credit for the course. If she scored 86%, 77%, and 64% on the first three exams, what is the lowest score she can get on the fourth exam to receive credit for the course?

168. science

on a large-scale topographic map, how are airports and major highways treated differently than houses and small features? someone help me with this question?

169. health

what is a sentence with the word nutrition

170. Math

A quadrilateral -------- has two congruent sides? answer ---- always. Sometimes. Never

171. math

Solve by elimination method. 2r-5s=-33 5r+2s=48 Solve by substitution method. 5x+6y=5 x-9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it..

172. math

How do you do this problem Multiply. 1B7twelve x 29twelve

who is Lois Lowry?

174. Trig

If sin^2X=A what is an algebraic expression in A for cos(2X). I have no idea where to even begin with this!

175. science

how do i convert 4 g/ml to kg/m^3 ? ur help is appreciated :)

176. science

how can i describe one type of heating system, and describe how it tansfers energy to warm that air inside the rooms?

177. Comprehensive grammar

What is the rationale for Subject-verb agreement ;Some athletes have taken drug tests to prove they are not on steroids

178. English

My teacher wants me to find subtle clues that John Steinbeck supposedly left in the book "Of Mice and Men" that characterized Steinbeck's personality, as well as what he thought of the critics of his books. I couldn't find anything about his personality

179. 10grd. Chem/Phys

numbers 1 4 6 8 9 10 12 14 15 16 27 34 49 56 57 58 70 all have or lack a certain property. any ideas i'm lost???

180. chemistry

how do I set up a problem for the solubility product(Ksp) of a salt given the osmotic pressure at 781atm?

181. English

An apple a day keeps the doctor away. Birds of a feather flock together. Rolling stones gather no moss. No pains, no gains. Well begun is half done. Practice makes perfect. Rome was not built in a day. When in Rome, do as the Romans do. (Do you have some

182. ELA

what should you include in a book report

183. to Miss Sue

The question that said: One goal of Christopher Columbus, Jacques Cartier, and Henry Hudson was to: well, the link you gave me only said something about one of those people not all of them. Please help me!

184. english/ global

What's the word when someone believes in more than one religion? -Like someone who believes in Buddhism and Confucianism at the same time.

185. history

what did magellan do in 1498 and i need a whole timeline of magellans lifetime from birth to death

186. math

the base of a rectangle is twice the length of the heigth .If the heigth of the ractangle is h inches, what is the length of the base

187. Science

Allie was setting up a fish tank in her room. She needed to find a tank that would fit on her table. What metric unit should she use to record the volume?

188. science

Which of Earth's spheres extends into all others? explain how

189. calculus

derivative of y=ln x/x^2 can someone double check the answer 1-2lnx/x^3

190. math

how do use approximation to tell which fraction is greater

191. algebra

How do you find Standard Form for the problem: m=-3; b=2?

192. home economics

I need some examples of visible and non visible sugars please

a 0.25kg ball is traveling at a velocity of 45.0m/s. find the frequency at which the ball osicillates

194. Comprehensive grammar

some athletes have taken drug test to prove they are not on steroids. What is the rationale for this?

195. Biology

What are Five internal structures of plant or animal cells and describe their functions in your own words.

196. Math

Can someone please check this to see if I have reduced to simplest terms: {(-x-y)X(x-y)}/{(x-y)^2 + (x+y)^2} I get -1/2 (x-y)(x+y)divided by (x^2+y^2). Is this right and if so, can it be simplified any more? Thanks so much.

197. History

Please help! I have to choose any 3 of the 13 colonies, and/or Missouri, Vermont, Kentucky, Ohio, Louisiana, Tennessee, as long as there is one chosen from each of the three regions (New England, South, and Mid-Atlantic/West) and explain: the founding, the

198. Chemistry

ive calculated the amount of change for an enzyme controlled reaction as 1.5625 x 10^-8 mol.min-1 and ive been asked to find the activity of the enzyme in micromoles product formed per min per mg of enzyme how do i do this i have 10 micro litres of a 5mg

199. short and long term memory.

how can they be compared so far i have they both can be stored stm can contain info from ltm to work on and stm enters ltm.. what else could I possibly say?

200. words that are synonym

what is the synonym of charged

201. Science, Technology and Culture

I have to create a case study on The Impact of technology on telecommunications. I do not know where to start or what a case study looks like. I have to have two sources that are interviews. I work for a AT&T Call Center but I don't know how to make a case

202. chemistry

what is molarity of H2SO4 solution containing .12 moles acid per 75 mL solution? please show math

203. health medical records

were are administrative documents like the living will placed in a patients medical record? I have researched this question and can not find the answer. Where in the patients medical records would u place documents like the living will, health care proxy,

204. feature writing

what is a feature article and give examples

205. CRT/205

How does critical thinking affect you as a reader and writer?

206. math

this fraction as an equivilent fraction in its lowest term 42 over 105

207. physics

answer.a car of mass 2000kg,increases its velocity from 10to 40 m\sec in time interval of 2 sec. calclate the force?

208. Analysis and Design

I need 2 more "Project Goals" along with what I already have!

209. Math

solve for indicated letter. f=2g, for g what is the solution for g? can someone please tell me how to start this? or how to solve this question?? I would appreciate it much

210. biology

can someone explain photosynthesis

211. Algebra

What is the Pythagorean Theorem a model of?

212. world history

my book does not talk about that can you help me with some websites that might help me

213. Chemistry AP

How many moles of sodium hydroxide would have to be added to 125 mL of a 0.411 M nitrous acid solution, in order to prepare a buffer with a pH of 2.990?

214. calculus

derivative of f(y)=yln(1+e^y)

215. math

Solve by elimination method. 2r-5s=-33 5r+2s=48

216. math

find the slope, if it exists x=-2 m = can someone show me how to solve this question?? I've never seen this question before....

217. math

explain how you could show 5 less than a number using an expreesion

218. Essay

I'm writing a essay on Hurricanes where can I find credible sources for my essay with intext citation or citation.

219. Health and Disease

How do disease trends impact the delivery of health care services, such as treatment options and resources available to the public?

220. med term

need help on writing a short paper on why i chose medical coding but i need 2 works cited. i'm so confused and don't know where to start!

221. Government

What are examples of influences that could cause a member of the House to vote in opposition to the citizens of his/her district?

222. Math

How do you simplify 2v^2-5v+2

223. chemistry

How many milliliters of dirt are there in a hole that has a volume of 51 liter?

224. chemistry

How many milliliters of dirt are there in a hole that has a volume of 51 liter? How many mL of air

225. Chemistry

ive calculated the amount of change for an enzyme controlled reaction as 1.5625 x 10^-8 mol.min-1 and ive been asked to find the activity of the enzyme in micromoles product formed per min per mg of enzyme how do i do this i have 10 micro litres of a 5mg

226. Ethics

How does the unique relationship between human service organizations and the populations they serve impact ethical decisions?

227. bio

selectively permeable structure surrounding all cells (2 words) what is it ?

228. Math

Indicate whether the tasks in Exercises 2–6 involve perimeter or area.Determining the number of tiles needed to floor a bathroom

229. science

does the color of shingles affect the temperature inside your house?

231. english

where do you use semi colons

232. science

Meters per second(m/sec) is a unit of what?

233. math

Simplify: 5(-3x + 3)

234. calculus

derivative of f(x)=arctan(x^2-x) is it the product rule or the chain rule?

i have a question on this problem? write true if is true, False if it is false? (6*5)/3 and 15>(7*6)*(10-9)

237. Calculus

the limit (h->0) of (sin^2(3x + 3h) - sin^2(3x))/(h) is....

238. psychology

Im in the middle of a research paper discussing development of personality, specifically Freud and Erikson. I have googled many sites and been to my library at college. I'm struggling with how their two theories are similiar. I understand how they differ!

239. science

which of earth's spheres extends into all others

240. Hurricanes

I need help writing a 1700 word essay on hurricanes can you provide help with that subject.

241. Algebra

find the indicated outputs f(x)=2x^2-3x f(0)=? f(-1)=? f(2)=? help?

242. Critical Analysis

how do you identify the principal issue presented by the source.

243. bob pursley- short term long term

those ideas that you gave me pretty much tell how they are different.. i need how they are similar.. thanks in advance

244. math

Your family takes 2.5 hours to drive to grandmoms house. If you traveled an average of 60 km per hour, how fast did you travel?

245. algebra

f(x)=4x+2 f(8)=? f(10)=?

246. Critical Analysis

why and how could you apply critical thinking when evaluating each of the following? Articles, Advertising, media, and Conversation

thank you

248. social studies

did george washington want the great comprimes? Why?

249. arithmetic

if today is sunday jan 9, tuesday will be jan ll, december____, february_____=25

250. math

student claims that the square root of -x equals three has no solution, since the square root of a negative number does not exist. Why is this argument wrong?

it wants me to add an independent or dependent clause........they chose which clause to use, ex. when the student artist showed his work to the teacher......I'm to add an independant clause......I don't know what they're asking.....

252. geography

what is the water way that extends north of the dead sea.

253. science

how can we differentiate a mineral acid and base from organic ones

254. math

which property are these two question (18+3)+14=18+(3+14) and (17-7).12=17.(7.12)

255. social studies

the dutch came to america and established colonies near water. why?