# Questions Asked onNovember 26, 2014

1. ## Stats Math 2

Exit polling is a popular technique used to determine the outcome of an election prior to results being tallied. Suppose a referendum to increase funding for education is on a ballot in a large town (voting population over 100,000). An exit poll of 300

2. ## Stats Math 3

Suppose a simple random sample of size n=150 is obtained from a population whose size is N=20,000 and whose population proportion with a specified characteristic is p=0.8. Please answer questions (1) through (5) below. (1) Describe the sampling

3. ## math

Scenario 1) You and your friend enjoy riding your bicycles. Today is a beautiful sunny day, so the two of you are taking a long ride out in the country side. Leaving your home in Sunshine, you ride 6 miles due west to the town of Happyville, where you turn

4. ## Trig

I need help setting these up. 1.) Use the parallelogram rule to find the magnitude of the resultant force for the two forces shown in the figure. round to one decimal place. Theta= 35 degree, b=98 lbs, c=55lb 2.) Find the magnitude and direction angle for

5. ## Chemistry

please help! I don't understand any of this. Using the Solubility Rules, write the balanced molecular, total ionic, and net ionic equations (including physical states) for the following: Hints: There is no such thing as an Na3+. Na is in group 1A, so you

6. ## Spanish

Hola Sra. This one is a bit long. I hope they are correct. Part I Los pronombres relativos. Complete las oraciones siguientes en una manera lógica. Juan es el hombre a quien… Juan es el hombre a quien necesito dar el dinero. 1. Es un problema que… Es

7. ## Math

A ball is thrown straight up from a bridge over a river and falls into the water. The height, h, in meters, of the ball above the water t seconds after being thrown is approximately modeled by the relation h=-5t^2+10t+35. Can you please help me ! Show your

8. ## Math

Peter has money in two savings accounts. One rate is 9% and the other is 11%. If he has \$400 more in the 11% account and the total interest is \$117, how much is invested in each savings account?

9. ## Algebra

A community college campus plans to construct a rectangular parking lot on land bordered on one side by a highway. There are 640 feet of fencing available to fend the other three sides. Let x represent the length of each of the two parallel sides of

10. ## math

the yearbook club is having a bake sale to raise money for the senior class. LArge cupcakes are sold for 1.25 and small cupcakes are .75. If 105 cupcakes were sold for a total amount of 109.75, how many large cupcakes did the yearbook club sell?

11. ## six sigma

If the mean value of the weight of a particular brand of dog food bag is 20.6 pounds and the standard deviation is 1.3, assume a normal distribution and calculate the percentage of bags that falls below the lower specification value of 19.7 pounds.

12. ## CHEMISTRY

write oxidation and reduction halfreaction of 3CuO+2NH3>3Cu+N2+3H2O

13. ## math

9 of the 30 children in a class had brown eyes what fraction of the children have brown eyes

14. ## Chemistry

1. Write a balanced molecular equation for the reaction of solid AgNO3 with aqueous NaCl. Be sure to include the correct number of coefficients and the state of the species (aq, s, l or g). 2. Write the total ionic equation for this reaction, including all

15. ## chemistry

What is the balanced chemical equation of Shampoo? And what is the chemical reaction of it? Please i need a help ASAP! Thank you!

16. ## CaLC AB

1. For f(x)=sin^(2)x and g(x)=0.5x^2 on the interval [-pi/2,pi/2], the instantaneous rate of change of f is greater than the instantaneous rate of g for which value of x? a. 0 b. 1.2 c. 0.9 d. 0.8 e. 1.5 2. if tan(x+y)=x then dy/dx=?? a. tan^2(x+y) b.

17. ## Statistics 1 plaese give answers to below question

Suppose a simple random sample of size n=150 is obtained from a population whose size is N=20,000 and whose population proportion with a specified characteristic is p=0.8. Please answer questions (1) through (5) below. (1) Describe the sampling

18. ## english

The old fisherman floated on the Black Sea, boat bobbing from side to side as a frigid wind sliced through his threadbare sweater. Though the fisherman and his wife were struggling to survive without much money, he thought happily of the meager but

criticism of the information processing approach is that it.. a. doesn't form a comprehensive theory b. lacks scientific research c. focuses on creativity and imagination, while ignoring other mental processes. d. views children a blank slates

20. ## Biology

In humans, the allele for brown eyes is dominant to the allele for blue eyes. If a man with blue eyes and a woman with brown eyes who is homozygous for eye color have children, what is the probability of having a child with blue eyes? Here are the choices:

21. ## physics

During World War I, the Germans had a gun called Big Bertha that was used to shell Paris. The shell had an initial speed of 2.39 km/s at an initial inclination of 49.6 ◦ to the horizontal. The acceleration of gravity is 9.8 m/s 2 . How far away did the

22. ## Statistics

Suppose that hours of sleep per night for single adults between 30 and 40 years of age are normally distributed with a mean of 6.7 hours and a standard deviation of 1.1 hours. What proportion of adults sleep longer than 4.5 hours per night? (Report to 3

23. ## physics

Assume that there is no friction between m2 and the incline, that m2 = 2.4 kg, m1 = 1.2 kg, the radius of the pulley is 0.10 m, the moment of inertia of the pulley is 4.8 kg m2, and θ = 25.0°. a) Find the combined mechanical energy of both masses the

24. ## Chemistry

copper is a product of the reaction that occurs when dry ammonia is passed over a sample f heated copper(2) oxide.The equation for the reaction is given: 2NH3+3CuO=3Cu+3H2O+N2 Calculate the mass of copper produced if 0.12dm^3 of nitrogen is produced at

25. ## Us. History Help!!!

1. The British recognized the United States as an independent nation when when they signed the A. Treaty of America B. Treaty of the United States C. Treaty of Great Britain D. Treaty of Paris 2. What American ally helped the Patriots win the war? A.

26. ## Chemistry

The reaction: H2C2O4 + CuO + Heat = ? This reaction was produced in organic elemental analysis to identify C and H. So I think CO2 is formed to react with Ca(OH)2 to giving CaCO3. Additionally was formed H2O, so I though H2 or H2O was produced. Is correct

27. ## AP Physics

Two people are standing on a 2.2-m-long platform, one at each end. The platform floats parallel to the ground on a cushion of air, like a hovercraft. One person throws a 6.0-kg ball to the other, who catches it. The ball travels nearly horizontally.

28. ## AP Physics

A honeybee with a mass of 0.175 g lands on one end of a popsicle stick (Active Example 9-2). After sitting at rest for a moment, the bee runs toward the other end with a velocity 1.47 cm/s relative to the still water. What is the speed of the 5.20 g stick

29. ## analytic

One line passes through the points (1,9) and (2,6), and another line passes through (3,3) and (-1,5). Determine the acute angle between the two lines.

30. ## chemistry

can you please give me some practical applications of qualitative chem and quantitative chem...

According to a study conducted by a statistical organization, the proportion of americans who are satisfied with the way things are going in their lives is 0.82. Suppose that a random sample of 105 Americans is obtained. (Please answer the below and round

32. ## physics

Using sidereal navigation, a pilot flies due south for one hour then due north one hour and lands about 180 miles west of where he started. At what point on Earth is he?

33. ## Science

What volume of 0.050M sodium hydroxide is needed to react with 25cm3 of 0.068M ethanoic acid?

34. ## math

Show how to make one addend the next ten number. complete the new addition sentence. 6) 18+3=___ ___+___=___ 7) 27+24=___ ___+___=___

35. ## geometry

Equilateral triangle ABC and isosceles triangle DBC share side BC. If angle BDC= 34 and BD=BC, what is the measure of angle ABD? I don't know how to solve this questions, can someone guide me through?

36. ## Microsoft Excel

The order of precedence is very important when building formulas in Excel. Which of the following formulas will produce 778 as the result? A. =(25*(27/9)+5+309)*2 B.=25*((27/9+5)+309*2) C.=25*(27/9+5)+309*2 D. =25*27/9+5+309*2 Even understanding the basics

37. ## Physics

The same amount of heat entering identical masses of different substances produces different temperature changes. Calculate the final temperature when 1.50 kcal of heat enters 1.25 kg of the following, originally at 22.5°C.

38. ## English

1. Mr. Gates has four sons. One lives in Chicago, and the others live in L.A. 2. Mr. Gates has four sons. One lives in Chicago, and the rest live in L.A. 3. Mr. Gates has four sons. One lives in Chicago, and the rest lives in L.A. (Which ones are correct?

39. ## Physics

If a string is vibrating in four parts, there are points where it can be touched without disturbing its motion. Explain how many points exist

40. ## math

What is 1/2%, I say 1/2% = 0.5%, but my mom says its 50%, am I correct.

41. ## INTRODUCTION TO PHYSICS

Question A mixture of alcohol and water has the density 750 kg m 3.calculate the ratio in the mixture of alcohol to water by i.mass ii.volume

42. ## phy101

a set of function attached to the bottom of a box which is then measured and found have a mass6kg the box is placed on the floor and student of the physics used a brief horizontal force of 150 newton to push the-box sideway-after which the roll ac cross

43. ## Neuroscience

If you move your eyes to the right, the receptive fields of your neurons will shift in the visual world to the 1.left 2.right 3.up

44. ## Neuroscience

Consider two ganglion cells with cell bodies that are adjacent to each other in the retina. Their receptive fields are 1. overlapping 2. border each other 3. nearby but do not touch

45. ## English

1. He looked for a chair to sit on. 2. He looked for a chair which he could sit on. 3. He looked for a chair which he would sit on. --------------------- Does #1 mean #2 or #3?

46. ## Neuroscience

The video compared a retinal neuron to a spy looking through a keyhole at the world. The keyhole is analogous to the 1. lens of the eye 2. pupil of the eye 3. receptive field

47. ## Physics

4.82 kJ work is done by a worker pulling a crate across the deck of a ship at a constant speed of 7.82 m/s by a 453 N force. The rope is being pulled at a 37.0 degree angle to the deck. a)How far was it pulled? b)What is the friction force? c)What is the

48. ## Neuroscience

You continue to record the spikes of a ganglion cell. Even in total darkness, there is some nonzero rate of spiking (sometimes called “spontaneous” spiking). When you shine light at a particular point (let’s call it Q) in the retina, the rate of

49. ## chem

I titrated a 250mg tablet to see if it really had 250mg of scorbutic acid (H2C6O6) a diuretic acid, in it. I took a 250mg tablet, grounded it up and found it took 35.87ml of .0505 M NaOH to neutralize it 1. How many moles of NaOH is it? 35.87ml

50. ## physics

a projectile is fired from the vertical tube mounted on the vehicle which is travelling at the constant speed of 30kph. the projectile leaves the tube with a velocity of 20m/s relative to the tube.neglecting air resistance.

51. ## math

of 10 girls in a class, 3 speak French.If two girls are chosen at random, what is the probability that both speak french

52. ## Chemistry

What is the formula for copper chloride dihydrate ? And can 1 get more info on it plz (like an overall overview) ? Tnx

53. ## algebra

Solve system of equations to model the problem then solve: The length of a rectangle is 7 inches more than the width. The perimeter is 34 inches. Find the length and the width of the rectangle.

54. ## Math

Three equivalent ratios for 5/6

55. ## Algebra

Write a system of equations to model the problem and solve the system: The sum of two numbers is 156. What number is 28 more than the second number. What are the numbers?

56. ## Algebra

Write a system of equations to model the problem and solve the system: Benjamin has nickels and dimes and his toy bank he has a total of 45 coins the total value of \$3.60. How many coins of each kind does he have?

57. ## STATS Math

Suppose a simple random sample of size n=150 is obtained from a population whose size is N=20,000 and whose population proportion with a specified characteristic is p=0.8. Please answer questions (1) through (5) below. (1) describe the sampling

58. ## AP Physics

A person stands in a stationary canoe and throws a 5.16-kg stone with a velocity of 7.75 m/s at an angle of 31.5° above the horizontal. The person and canoe have a combined mass of 105kg. Ignoring air resistance and effects of the water, find the

59. ## AP Physics

The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. As she fires the gun, she is driven back over the edge and into the sea. Suppose the mass of a bullet is 0.013 kg, and its velocity is +725 m/s. Her

60. ## Statistics

For the following set of scores, fill in the cells. The mean is 70 and the standard deviation is 8. Raw score Z score 68.0 ? ? –1.6 82.0 ? ? 1.8 69.0 ? ? –0.5 85.0 ? ? 1.7 72.0 ?

61. ## analytic

One line passes through the points (1,9) and (2,6), and another line passes through (3,3) and (-1,5). Determine the acute angle between the two lines.

62. ## PHI208

According to Leon Kass, the drive to legalize euthanasia can be largely attributed to what? the rise in a largely technical approach to healing. an increase in our sympathy an increased respect for human dignity. the secularization of modern society.

63. ## CHEMISTRY HELP

how can analytical chemistry help on different fields of sciences and technology?

64. ## CHEMISTRY

how can different steps in the analytical process help in solving probs in Analytical Chemistry

65. ## chem

what are the other practical applications of Analytcal chem on being a medical technologist?

66. ## U.S. History Help!!!!!!!

1. Which of the following was a colonial advantage in the Revolutionary War? A. Lacked military experience B. Were united in the cause C. Led by George Washington D. Were Anglicans 2. Shay's Rebellion in 1787 was an attack on A. The new Federal government

67. ## physics, how to find the height

On the surface of a planet an object is thrown vertically upward with an initial speed of 60 m/s. use a conservation of energy approach to determine the object's speed when the object is at a quarter of it's maximum height. (assume the planet has no

68. ## Calculus

solve the differential equation dy / dx = 11x^2y^2 with the condition that y(0) = 4 The solution to the equation is y =

69. ## math

8,18,28,38,48 what is the next term? i came up with 10 am i correct? is this consider arithmetic or geometric?

70. ## math

conver the numeral to a numeral in base 10 1101 basetwo can some one plz help .

71. ## physics

a man steps out of a rowboat into a dock. The man has a mass of 80 kg and moves forward with a velocity of 1.5 m/s. If the boat has a mass of 120 kg. and was initially at rest, what is its final velocity?

5^6 * 5^3

73. ## MATHAMATICS

IN A GP THE 5TH AND 8TH IS 24 AND 72 FIND THE 6TERM

74. ## Environmental Science

what did Thomas Malthus believe

75. ## environmental Science

the entire area of land that a river drains is called

76. ## MATHEMATICS

IN A GP THE 5TH AND 8TH IS 24 AND 72 FIND THE 6TERM

77. ## term paper

can you check my term paper

78. ## MATHEMATICS

IN A GP THE 5TH AND 8TH IS 24 AND 72 FIND THE 6TH

79. ## Coordinate Geometry (Algebra 1)

Line segment RS is perpendicular to line segment PQ, and the coordinates are R(4, -5), S(-8, 4), P(0, 6), and Q(-3, y). What is the value of y?

80. ## Math--1 question

Find the mean, median, mode, and range of the data: 32, 34, 30, 35, 33, 31, 54. If necessary, round to the nearest tenth. Show your work.

What will be the result of a reaction if its enthalpy change is positive, its entropy change is negative and Gibbs free energy is positive? A. Spontaneous, if the temperature is high B. Nonspontaneous, if the temperature is low C. Always spontaneous D.

If the ΔH for H2O(l) → H2O(s) is -6.01 kJ, then what is the ΔH for 2H2O(s) → 2H2O(l)? A. -12.02 kJ B. 6.01 kJ C. -6.01 kJ D. 12.02 kJ I think d.

What is Gibbs free energy? A. The energy lost as heat to the surrounding molecules B. The usable energy released or absorbed by a reaction C. The energy in the form of kinetic energy in a system D. The energy contained within the bonds of molecules

At temperatures above 0°C, what is the sign of the change in free energy for the conversion of liquid water to ice? A. Positive B. Zero C. Negative D. Not known

What is Gibbs free energy? A. The energy lost as heat to the surrounding molecules B. The usable energy released or absorbed by a reaction C. The energy in the form of kinetic energy in a system D. The energy contained within the bonds of molecules Do not

86. ## Chem

if a person inhales 0.1 mol air per breath, and the pressure is 92kpa and body temp is 37 degrees celcius what is the maximum volume of air this person can inhale

87. ## Math

Laura has \$80 saved for a new laptop. This is 20% of the total amount she needs for the laptop. How much does the new laptop cost?

88. ## MATHEMATICS

IN A GP THE 5TH AND THE 8TH IS 24 AND 72 FIND THE 6TH

89. ## English

I have to write a letter to scrooge from belle but am stuck please help it was after they split up

90. ## gen chem

use the rydberg equation to calculate the wavelength in A of the photon absorbed when a hydrogen atom undergoes a transition from n=7 to n=9

91. ## chemistry

State the number of valence electrons for an iron(II) ion in an ionic bond.

92. ## Math

What is the first step in solving the equation 3/4 divided by 2/3

93. ## Bus. Math

The Soft Step Floor Co. Purchases carpeting for \$5.12 per square yard and marks it up 55% based on the selling price. What is the selling price per square yard? Round to the nearest cent

94. ## chemistry

What is the balanced chemical equation Shampoo? please i need a help ASAP!

95. ## Geometry

Equilateral triangle ABC and isosceles triangle DBC share side BC. If angle BDC= 34 and BD=BC, what is the measure of angle ABD? I don't know how to solve this questions, can someone guide me through?

96. ## Chemistry

What is Gibbs free energy? A. The energy lost as heat to the surrounding molecules B. The usable energy released or absorbed by a reaction C. The energy in the form of kinetic energy in a system D. The energy contained within the bonds of molecules

so i was checking that it wasn't plagiarized my term paper and it says it is because of the post i put earlier, are you sure its erased??

98. ## Language Arts

from "Harriet Tubman: Conductor on the Underground Railroad" by Ann Petry. 1 That first winter in St. Catharines was a terrible one. Canada was a strange frozen land, snow everywhere, ice everywhere, and a bone-biting cold the like of which none of them

99. ## Math

Carousel Toys has rompers, wooden rocking horses for toddlers, on a 30% markdown sale for \$72.09. What was the original price before markdown? Round to nearest cent

100. ## U.S. History Help!!!!!!!

1.How did the colonist protest British taxes? A.by monopoly B.with propaganda C.by boycotting D.by writs of assistance 2.Who wrote the Declaration of Independance? A. George Washington B. Thomas Jefferson C. John Adams D. Benjamin Franklin 3. Colonists who

101. ## Math

A Sony 55" television set is selling for \$1,499.99 with a savings of \$1,500.00. Calculate the percent markdown after rebate for the product