# Questions Asked onFebruary 22, 2012

1. ## physics

A rectangle has a length of 2d and a height of d. Each of the following three charges is located at a corner of the rectangle: +q1 (upper left corner), +q2 (lower right corner), and -q (lower left corner). The net electric field at the (empty) upper right

2. ## trig

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

3. ## Chemistry

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

4. ## trig

John weighed five rocks two at a time in all possible ways. The weights in pound are 30,38,41,42,45,46,50,53,58,61. How much does each rock weigh?

5. ## Chemistry

If 150.0 grams of iron at 95.0 degrees Celcius, is placed in an insulated container containing 500.0 grams of water at 25.0 degrees Celcius, and both are allowed to come to the same temperature, what will that temperature be? The specific heat of water is

Two small charged balls have a repulsive force of 0.12 N when they are separated by a distance of 0.85 m. The balls are moved closer together, until the repulsive force is 0.60 N. How far apart are they now?

7. ## biology what is DNA

why is DNA replication necessary to life?

8. ## biology

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

9. ## Physics

suppose that the charge on the electron and proton did not have the same magnitude but instead differed by one part in 10^10. What would be the net charge on a 1.0 kg sample of helium gas?

10. ## PHYSICS

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

11. ## social study

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

12. ## Math

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

13. ## Economics

Consider an economy with the following aggregate demand(AD) and aggregate supply(AS) schedules. These schedules reflect the fact that, prior to the period we're examining, decisions makers entered into contracts and made choices anticipating that the price

14. ## Economics

Consider an economy with the following aggregate demand(AD) and aggregate supply(AS) schedules. These schedules reflect the fact that, prior to the period we're examining, decisions makers entered into contracts and made choices anticipating that the price

15. ## college physic

A solid cylindrical rod made from a center cylinder of lead and an outer concentric jacket of copper.Except for its ends,the rod is insulated,so that the loss of heat from the curved surface is negligible.When a temperature difference is maintained between

16. ## Physics

Three identical charges of 2.0 uC are placed at the vertices of an equilateral triangle, 0.15m on a side. Find the net force acting on each angle.

17. ## Physics

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

18. ## college physic

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

19. ## college physic

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

20. ## physics

Joe has a weight of 850 N (about 193 lb) when he is standing on the surface of the Earth. What would his weight (the gravitational force due to the Earth) be if he tripled his distance from the center of the Earth by flying in a spacecraft?

21. ## chemistry

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

22. ## photo

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

23. ## chemistry

Calculate the mass of solute of hydrogen peroxide in a 35% solution if 450 ml of solution is being used

24. ## chemistry

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

25. ## chemistry

Calculate the concentration in ppm if 8 grams of CaCl2 is dissolved in 250 ml of water.

26. ## Chemistry

How do you draw a lewis dot structure of s3o

27. ## Chemistry

Using the "octet rule" write the Lewis formulas for NF3 and NO3-.

28. ## maths

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

29. ## statistics

in 1000 tosses of a coin, 560 heads & 440 tails appear. is it reasonable to assume that coin is fair.

30. ## Essay Check

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

31. ## ecology

how has the eucalyptus tree adapted to the australian environment

32. ## Physics

1. Explain how the ff. works: a. ultrasound imaging device b. photocopying machine c. microwave oven Thank you so much in advance! :)

33. ## calculus

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

34. ## chemistry

At some other temperature, a solid sample of Ca(OH)2 is shaken with 0.0100 M CaCl2. Once equilibrated, some solid Ca(OH)2 remains undissolved. The solution is filtered and a 20.00 mL sample requires 38.80 mL of 0.0100 M HCl to neutralize it. Calculate the

35. ## physic

A projectile is fired from the origin (at y = 0s m) a shown in the figure. The initial velocity components are v 0x = 940 m/s and v 0y = 96 m/s. The projectile reaches maximum height at point P, then it falls and strikes the ground at point Q. In Fig. 3.1,

36. ## physics

A metal rod is 40.125 cm long at 20 °C and 40.148 cm long at 35 °C. calculate the coefficient of linear expansion of the rod for this temperature range.

37. ## physics

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

38. ## principles of physics

Calculate the change in potential energy of 7.8 million kg of water dropping 50 m over Niagara Falls.

39. ## algebra

Hi Dear Jiskha team, I have Algebra homework and I will need some help. The homework is following: Suppose you are using a computer to draw a face on a coordinate plane. The eyes are at (–3, 3) and (3, 3). The tip of the nose is at the origin. To make a

40. ## physics

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

41. ## Physics

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

42. ## algebra

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

43. ## algebra

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

44. ## algebra

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

45. ## Math

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

46. ## Math

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

47. ## Biology

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

48. ## Math

How long will it take for the population of a certain country to double if its annual growth rate is 3.9%

49. ## Physics - Question

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

50. ## statistics

a teacher decides to fail 25% of the class.Examination marks are roughly normally distributed w/a mean of 72 & standard deviation of 6. what mark must a student make to pass?

51. ## physics

A point charge with a charge of q1=2.60uC is held stationary at the origin. A second point charge with charge q2=-4.70uC moves from the point. x=0.140m, y=0 to the point x=0.230m, y=0.290m How much work is done by the electric force on q2?

52. ## statistics

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

53. ## Math

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

54. ## English

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

55. ## Math

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

56. ## ECONOMICS

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

57. ## International Buisness

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

58. ## Pre-Cal (polynomials)

what is the general relationship between the degree of a polynomial function and the number of "bends" or relative maximum and minimum points in the graph?

59. ## Medical Language

How will Medical Language be helpful in the future?

60. ## Pre-Cal (polynomials)

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

61. ## English

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

62. ## Pre-Cal (polynomials)

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

63. ## Physics

In a game of basketball, a forward makes a bounce pass to the center. The ball is thrown with an initial speed of 4.3 m/s at an angle of 15 degrees below the horizontal. It is released 0.80m above the floor. What horizontal distance does the ball cover

64. ## Physics(2)

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

65. ## pre-algebra

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

66. ## math

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

67. ## physics

A young boy swings a yo-yo horizontally above his head at an angular acceleration of 0.42 rad/s2. If the string is 0.55 m long, what is the tangential acceleration of the yo-yo?

68. ## accounting

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

69. ## chemistry

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

70. ## chemistry

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

71. ## Living ENvironment

Where is the Enzyme/substrate complex

72. ## algebra 2

solve the equation m^6 -64=0

73. ## math

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

74. ## Psychology

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

2= 10+z/-3

77. ## Physics

The hypotenuse of a right triangle is 29.0 centimeters. The length of one of its legs is 20.0 centimeters. What is the length of the other leg?

78. ## Physics

A ball thrown horizontally from an apartment balcony hits the ground in 5 seconds. If the horizontal velocity of the ball is doubled, how long will it take to hit the ground?

79. ## math

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

80. ## physics

A ball is released from a tower at a height of 100 meters toward the roof of another tower that is 25 meters high. The horizontal distance between the two towers is 20 meters. With what horizontal velocity should the ball be imparted so that it lands on

81. ## math

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

82. ## Physics

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

83. ## Physics

A ball is ejected to the right with an unknown horizontal velocity from the top of a pillar that is 50 meters in height. At the exact instant, a carriage moving on rails is also released to the right from the bottom of the pillar. Calculate the velocity

84. ## trig

please help me with some questions I skipped on a review for our test coming up? solve 5-7 on the interval 0 greater than or equal to x less than or equal to 2pi. 5. sin x=sqrt3/2 6. cos x=-1/2 7. tan x=0 ---------------- 14. what is the exact value of

85. ## Physics

If the vertical component of velocity for a projectile is 7.3 meters/second, find its hang time. A. 1.9 seconds B. 2.5 seconds C. 5.6 seconds D. 6.7 seconds E. 7.1 seconds

86. ## Physics

If the vertical component of velocity for a projectile is 7.3 meters/second, find its hang time. A. 1.9 seconds B. 2.5 seconds C. 5.6 seconds D. 6.7 seconds E. 7.1 seconds

87. ## phyics

For a given launch velocity, at which launch angle does the projectile undergo the maximum horizontal displacement?

88. ## Physics

A bicyclist moving at a constant speed takes 10.0 seconds to travel 500 meters down a path inclined 30.0° downward from the horizontal. What is the vertical velocity of this motion?

89. ## Physics

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

90. ## Physics

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

91. ## Physics

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

92. ## algebra

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

93. ## Math

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

94. ## Math

Assume that there are 7 different issues of Newsweek, 8 different issues of Time, and 4 different issues of Sports Illustrated, including the December 1st issue, on the rack. You choose 4 of them at random. What is the probability that you choose at least

95. ## science

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

96. ## College Geology

assume that a particular radioactive-isotope has a half-life of 100 million years. Also assume that the parent isotope is incorporated into the minerals found in igneous rocks and that the only daughter atoms in the rock formed from the decay of the parent

103. ## English

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

104. ## Science

What is the realtionship between the second law of thermodynamics and Gibbs free energy

105. ## math

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

106. ## geometry

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

107. ## geometry

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

108. ## Math

Beaufort Scale and Wind Effects 0 Smoke rises vertically 1 Smoke shows wind direction 2 Wind felt on face 3 Leaves move, flags extend 4 Paper, small branches move 5 Small trees sway, flags beat 6 Large branches sway, flags beat 7 Large branches sway,

109. ## geometry

Assume triangle JKL is in the first quadrant, with the measure of angle K = 90°. Suppose triangle JKL is a 45°-45°-90° triangle and segment JK is one of the legs. What are the coordinates of point L? j(2.7) point k(2,2) point and the answers are,

110. ## science

why is the gibb free energy important in plant biology

111. ## math

First estimate 1 1/8 ÷ 5 5/8. Then divide to find the exact answer. Simplify all answers.

120. ## geometry

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

121. ## social work

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

122. ## geometry

The perimeter of parallelogram CDEF is 54 centimeters. Find the length of segment FC if segment DE is 5 centimeters longer than segment EF. (Hint: Sketch and label a diagram first.) a)14 b)44 c)16 d)11

123. ## physics

A stone with mass m = 2.3 kg is thrown vertically upward into the air with an initial kinetic energy of 190 J. The drag force acting on the stone throughout its flight is constant, independent of the velocity of the stone, and has a magnitude of 2.3 N.

124. ## math

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

125. ## College Chemistry

C6H6(l) + Cl2(g) --> C6Cl6(s) + HCl(g) Consider the unbalanced equation above. What is the maximum mass of each of the products that can be formed when 72.5 g of C6H6 and 49.0 g Cl2 react?

126. ## physics 1

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

127. ## pysics 1

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

128. ## physics

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

129. ## pysics 1

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

130. ## pysics 1

At the end of the spring term, a high school physics class celebrates by shooting a bundle of exam papers into the town landfill with a homemade catapult. They aim for a point that is 31.1 m away and at the same height from which the catapult releases the

131. ## physics

The string in the Figure is L = 135.0 cm long and the distance d to the fixed peg P is 94.5 cm. When the ball is released from rest in the position shown, it will swing along the dashed arc. How fast will it be going when it reaches the lowest point in its

132. ## math

factorise 6m squared - 600

133. ## statistics

A manufacturer of cell phones has decided that an assembly line will be considered to be operating satisfactorily if less than 0.02% of the phones produced per day are defective. To check the quality of a day's production, the company decides to randomly

134. ## algebra

you are planning a rectangular dining pavilion. its length is three times its width. you want a stone walkway that is 3 ft wide around the walkway. what should the dimensions of the pavilion be?

135. ## physical science

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

170. ## Calculus

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

171. ## Precalculus

A wheel rolling at a constant speed has a radius of 15 inches and takes 30 seconds to roll 100 feet along the ground. What is its angular velocity? Use 3.14 for pie, and solve to two decimal places.

172. ## MATH !!!!!!!!!!

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

173. ## US HISTORY

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

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

k/5+3/20

176. ## science

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

177. ## math!

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

179. ## college algebra

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

180. ## TO MS.SUE

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

181. ## Chemistry

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

182. ## English

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

183. ## MAT 116

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

184. ## physics

In an automatic clothes dryer, a hollow cylinder moves the clothes on a vertical circle (radius r = 0.31 m), as the drawing shows. The appliance is designed so that the clothes tumble gently as they dry. This means that when a piece of clothing reaches an

185. ## Geometry

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

186. ## physics

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

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

188. ## English

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

189. ## Math

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

190. ## US HISTORY

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

191. ## enc

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

192. ## Microeconomics

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

193. ## math

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

195. ## Statistics

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

196. ## to mRS.SUE

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

2/7n+n=5/9

8--w/10=3/5

199. ## math

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

200. ## math

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

201. ## math

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

202. ## horizontal displacement physics

how do we find horizontal displacement in physics?

2/7n+n=5/9

204. ## computers

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

205. ## chemistry

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

229. ## History

Why did Jame Otis oppose writ of assistance?

230. ## Science/geology

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

231. ## grammar

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

232. ## social studies

How did religon affect social order in Sumer?

233. ## Physics

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

234. ## Honors Physics

A lumberjack (mass = 98 kg) is standing at rest on one end of a floating log (mass = 290 kg) that is also at rest. The lumberjack runs to the other end of the log, attaining a velocity of +3.1 m/s relative to the shore, and then hops onto an identical

235. ## computers

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

236. ## Physics

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

237. ## Math

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

238. ## chemistry

How many grams of CaO (56.08) are required for complete reaction with HCl (36.46) in 275 mL of a 5.90 M HCl solution? CaO + 2HCl --> CaCl2 + H2O.

239. ## Geometry

Shelly, Susan, and Samantha are all working at an amusement park for the summer. The manager finds out that one of them left the key in the door to the security office. When he asked them who did it, they replied: Shelly: Samantha did it. Susan: Shelly did

240. ## History

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

241. ## Math

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

242. ## Physics

Consider a point charge with q= 1.5*10^-8 C. (a) what is the radius of an equpotential surface having a potential of 30 V?(b)Are surfaces whose potential differ by a constant amount (1,0 V) evenly spaced in radius?

243. ## to ms. sue

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

244. ## Physics

the charges an coodinates of two points charges located in x-y palne are : q1=+3*10^-6 C ; x=+3.5 cm . y=+0,5 cm and q2=-4*10^ -6 C; x= - 2 cm y=+1.5 cm . (a)Find the electric potential at the origin(b)How much work must be done to locate these charges at

245. ## English

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

246. ## Trigonometry (Help and Check)

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

247. ## Calculus

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

248. ## Project Management

What elements do you think are critical when conducting project meetings and why do you think they are important? How do project meetings help with managing inter-organizational relations? Be sure to address the concept of group think in your discussion.

250. ## Math

One-third of a number, decreased by thirty-six, is at most twenty-two. Find the number. Please help me

251. ## math

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

252. ## Math

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

253. ## math

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

254. ## Science

Why is only one egg produced during oogenesis while four sperm are produced during the parallel process of spermatogenesis?

255. ## Algebra

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

256. ## information literacy

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

257. ## chem11

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

258. ## Living ENvironment

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

259. ## English - Ms. Sue

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

260. ## Physics

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

261. ## statistics

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

262. ## biology

you are investigating a crime. someone has died as a result of a gun shot from far away. The suspect claims that it couldn't have been him because he was with the victim at the time of the murder. they were in a restaurant eating pasta. how could you test

263. ## chemistry

Common ion effect;At some other temperature, a solid sample of Ca(OH)2 is shaken with 0.0100? Common ion effect;At some other temperature, a solid sample of Ca(OH)2 is shaken with 0.0100 M CaCl2. Once equ? At some other temperature, a solid sample of

264. ## Chemistry

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

265. ## Chemistry

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

269. ## chemistry

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

270. ## division facts

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

280. ## chemestry

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

281. ## Physical Science

If a hot iron ball is dropped into 200.0 gram of cooler waterthe water temperature increases by 2.0 celsius and the temperature of the ball decreases by 18.6 celsius. What is the mass?

282. ## physics

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

283. ## physics

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

284. ## physics

A commuter airplane starts from an airport and takes the route shown in the figure below. The plane first flies to city A located 175 km away in a direction 30.0° north of east. Next, it flies for 150 km 20.0° west of north to city B. Finally, the plane

285. ## physics

A girl delivering newspapers covers her route by traveling 10.00 blocks west, 4.00 blocks north, and then 5.00 blocks east.

286. ## Chemistry

How many grames of lithium nitrate LiNO3 (68.9 g/mol) are required to prepare 174.1 mL of a 0.698 MLiNO3 solution ?

287. ## chemistry

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

325. ## math

no i cant can u explain please

326. ## biology tutor on jiskha

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

327. ## geometry

leg xy of the right triangle is twice as long as leg yz. if the area of the triangle is 36cm to the second power what is the length icm of xy?

328. ## politics

what is the don't ask don't tell? and are there other related terms they use with this? thank you

329. ## english

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

330. ## Organic Chemistry

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

350. ## probability

George has a bag of marbles. Inside the bag are 5 red marbles, 3 red marbles, and 2 blue marbles. He draws out two marbles in a row, without replacement. What is the number of outcomes?

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

352. ## Finance

Piedmont Enterprises currently pays a dividend (D0) of \$1 per share. This dividend is expected to grow at a 20 percent per year rate for the next 2 years, after which it is expected to grow at 6 percent per year for the foreseeable future. If you require a

353. ## College Algebra 1050

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

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

355. ## geometry

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

356. ## geometry

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

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

358. ## geometry

Find the lateral area of a regular hexagonal pyramid with base edge of 10 in and lateral edge of 13 in.

359. ## geometry

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

360. ## math

build equation Of the 15 players on the boys' soccer team, 2/5 are 8th graders. On the girls' soccer team,1/3 of 18 are 8th graders. How many 8th graders plaayed on the two teams.

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

362. ## Physics

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

363. ## Trig (Last URGENT)

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

364. ## biology

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

365. ## Chemistry

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

366. ## Math

what is the cube root of -1/64

367. ## economics

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

368. ## math

Factor completely: 36t^2 + 49 - 84t

369. ## Chemistry

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

370. ## Calculus

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

371. ## education

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

372. ## Chemistry

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

373. ## statistics

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