# Questions Asked onDecember 12, 2014

1. ## Chemistry

Which of the following is an example of quantization? A. The amount of time spent in a classroom B. The number of students in a classroom C. Learning happening in a classroom D. The temperature range in a classroom What is the definition of quantization

2. ## Probability

1. Suppose there are two full bowls of cookies. Bowl #1 has 10 chocolate chip and 30 plain cookies, while bowl #2 has 20 of each. Our friend Fred picks a bowl at random, and then picks a cookie at random. We may assume there is no reason to believe Fred

3. ## L.Arts

which of the following words would other members of the lapham household most likely use to describe johnny A. Lazy B. Arrogant C. Modest D. Shy I in between A or C help please

4. ## Language arts

Which of the following is the most significant event in the plot following Johnny's accident? A. Johnny realizes that Rab and his uncle are Whigs. B. Rab teaches johnny how to ride goblin. C. Mrs lapham recruits mr. Tweedie to replace johnny in the

5. ## Statistics

Use Bayes' theorem to solve this problem. A storeowner purchases stereos from two companies. From Company A, 550 stereos are purchased and 1% are found to be defective. From Company B, 850 stereos are purchased and 6% are found to be defective. Given that

6. ## Math

One box measure 7 meters by 15 meters by 8 meters. Another box measure 8 meters by 9 meters by 10 meters. by how many cubic meter is the volume of box greater than the other?

7. ## Calculus

Find the length of the entire perimeter of the region inside r=15sin(theta) but outside r=1. I am not sure how to start the problem

8. ## confidentiality in allied health

1. Which one of the following statements is an example of hearsay? "The report said the patient died on January 15." "I saw the doctor administer the injection." "I checked the patient's blood pressure three times." "The report was on my desk when I

9. ## Chemistry

My teacher gave us a packet with many questiona on it for homework. I was able to figure all 44 questions except the following 2.... Help!?!?! 9. "In order to have 1.00 mole of gas fit in a box that measures 1.30 dm x 2.40 dm x 5.83 dm at 1.00 atm, what

10. ## Physics

A 283 g air track glider moving at 0.69 m/s on a 2.4 m long air track collides elastically with a 467 g glider at rest in the middle of the horizontal track. The end of the track over which the struck glider moves is not frictionless, and the glider moves

11. ## Math

A 6-pack of undershirts costs \$13.69. This is \$3.96 less than the cost of buying 6 individual shirts. If each undershirt costs the same amount, how much does each undershirt cost when purchased individually?

12. ## Math

Use differentials (or equivalently, a linear approximation) to approximate sin(27 degrees) as follows: Let f(x) = sin(x) and find the equation of the tangent line to f(x) at a nice point near 27 degrees. Then use this to approximate sin(27 degrees).

13. ## To Morgan

Where are you getting all of this stuff? What university/college? Where do the exercises(questions) come from? What sources to you have for study? What percentage are you getting from Jiskha? Thanks. I'm just curious.

14. ## Chemistry

If NaCl has a solubility of 36.0 g in 100 g of H2O at 20 °C, how many moles of water are needed to prepare a saturated solution containing 0.263 mol of NaCl at 20 °C?

15. ## Biology

explain what would happen if sperm and egg cells were accidentally diploid. If the gametes were not haploid, then the fertilized zygote would have four sets of chromosomes and would probablydie before birth.

16. ## physics

A car is moving at 36 miles per hour. The kinetic energy of that car is 5 × 105 J. How much energy does the same car have when it moves at 115 miles per hour? Answer in units of J

17. ## English

A person born in a country is blank to that country. What goes in the blank?

18. ## math

Three friends each have some ribbon. Carol has 42 inches of ribbon, Tino has 2.5 feet of ribbon, and Baxter has 1.5 yards of ribbon. Express the total legth of ribbon the three friends havein inches, feet and yars. **We are learning to use Unit Rates &

19. ## chemistry

A sodium atom when excited gives off two very specific wavelengths of visible light. What does this tell us about sodium? A. There are two principal electron transitions in sodium. B. There are two electrons in a sodium atom. C. A sodium atom has its

20. ## chemistry

Calculate the amount of heat required to heat a 4.0kg gold bar from 20∘C to 61∘C. Specific heat capacity of gold is 0.128 J/g∘C. How do we figure this out?

21. ## Math

A boy is dividing M&Ms between himself and his sister. He gives 2 to his sister and takes 2 for himself. He gives 2 to his sister and takes 4 for himself. He gives 2 to his sister and takes 6 for himself, and so on. (b) After n rounds, how many M&Ms does

Alicia borrowed \$8,500 at 6% ordinary interest for 180 days. After 40 days, she made a partial payment of \$2,000. After another 70 days, Alicia made a second partial payment of \$2,000. What is the final amount due on the loan? a. \$4,687.21 b. \$4,684.62 c.

23. ## Confidentiality in Allied Health

Which one of the following steps can shield against discovery of an incident report?

24. ## Civics

Florida has 27 representatives while Massachusetts has nine representatives. Why do states have different numbers of representatives? Voters in each state decide how many people to send as representatives. The amount of land a state has within its borders

25. ## math

lily estimated a quotient of 120 and found an actual of quotient of 83 what should she do next ? explain please?

26. ## Chemistry

Acetylene gas, C2H2, reacts with oxygen according to the following equation. If 46.0 g of acetylene reacts with 100.0 g of oxygen, what is the theoretical yield of heat produced from the reaction? ___ C2H2(g) + ___ O2(g) → ___ CO2(g) + ___ H2O(g);

27. ## Math

Centerville is the headquarters of Greedy Cablevision Inc. The cable company is about to expand service to two nearby towns, Springfield and Shelbyville. There needs to be cable connecting Centerville to both towns. Centerville is located at (10,0) in the

28. ## physics

A diffraction grating with 150 slits per centimeter is used to measure the wavelengths emitted by hydrogen gas. At what angles in the fourth-order spectrum would you expect to find the two violet lines of wavelength 434 nm and of wavelength 410 nm? (angles

29. ## phsics

Assuming that Albertine's mass is 60.0kg , what is μk, the coefficient of kinetic friction between the chair and the waxed floor? Use g = 9.80m/s2 for the magnitude of the acceleration due to gravity. Assume that the value of k found in Part A has three

30. ## physics

A common graphical representation of motion along a straight line is the v vs. t graph, that is, the graph of (instantaneous) velocity as a function of time. In this graph, time t is plotted on the horizontal axis and velocity v on the vertical axis. Note

31. ## Physics

A 5.6 g coin sliding to the right at 22.6 cm/s makes an elastic head-on collision with a 16.8 g coin that is initially at rest. After the collision, the 5.6 g coin moves to the left at 11.3 cm/s. (a) Find the final velocity of the other coin. cm/s (b) Find

32. ## algebra

The height in feet of a projectile with an initial velocity of 32 feet per second and an initial height of 48 feet is a function of time in seconds given by h(t) = −16t2 + 32t + 48. (a) Find the maximum height of the projectile. ft (b) Find the time t

33. ## physics 1

Two isolated masses, M1 = 2.20 kg and M2 = 589 kg are initially rest, a distance d= 161 cm apart. Their gravitational attraction is the only force acting. Calculate the time it takes for M1 to move from that distance to 159 cm from M2. Assume that M2 does

34. ## Physics

A 3.32 kg mud ball has a perfectly inelastic collision with a second mud ball that is initially at rest. The composite system moves with a speed equal to one-eighth the original speed of the 3.32 mud ball. What is the mass of the second mud ball?

35. ## Math

2) A car dealership advertises a 15% discount on all its new cars. In addition, the manufacturer offers a \$1000 rebate on the purchase of a new car. Let x represent the sticker price of the car. a. Suppose only the 15% discount applies. Find a function f

36. ## Social studies

How did alexander encourage cultural diffusion within his empire?

37. ## Chemistry

Red light has a wavelength of 700 nm and a frequency of 4.3 x 1014 s-1. What is the energy of a single photon of red light? A. 2.85 x 10-34 J B. 2.85 x 1019 J C. 2.85 x 10-20 J D. 2.85 x 10-19 J

38. ## Chemistry

A gas occupies 21.0 L at 2.00 atm pressure and 27oC. Calculate its volume at STP.

39. ## Chemistry

How many milliliters of 0.150M BaCl2 are needed to react completely with 40.0mL of 0.260M Na2SO4?

40. ## physical

A ball of mass m=8.5, at one end of a string of length L=3.6, rotates in a vertical circle just fast enough to prevent the string from going slack at the top of the circle. Assuming mechanical energy is conserved, the speed of the ball at the bottom of the

41. ## chemistry

What is the difference between the ionization energy of inner-shell electrons and the ionization energy of outer-shell electrons? A. The ionization energy of inner-shell electrons is less than the ionization energy of outer-shell electrons. B. They are

42. ## History

How did Alexander the Great expand his empire and spread greek culture?

43. ## Algebra

i have to take the standard form of the Equation 11x - 4y = 32 and change it to slope- Intercept form y = my + b Answer 4y = 11x - 32

44. ## Science

Pure gold can be fashioned into elaborate masks and thin plates that can be incorporated into clothing.what physical trait of metal doea this demosnstrate

45. ## Physics

A bullet of mass m= 2.50×10-2kg is fired along an incline and imbeds itself quickly into a block of wood of mass M= 1.60kg. The block and bullet then slide up the incline, assumed frictionless, and rise a height H= 1.45m before stopping. Calculate the

46. ## Math

A full bottle of juice costs \$2.00.If the cost of the juice is \$1.50 more than the cost of the bottle, how much does the empty bottle cost? Hint: Answer is not 50 cents

47. ## physical

The potential energy of a 2.0-kg particle moving along the x axis is given by U(x) = 5.0 x^2. When the particle is at x = 1.0 m it is traveling in the positive x direction with a speed of 1.5 m/s. It next stops momentarily to turn around at x =

48. ## Confidentiality in Allied Health

One requirement of the business records exception to the hearsay rule is that the

49. ## Physics

a 1000 kg space craft at 500 m/s is on a collision course with a 400 kg satellite travelling at 700 m/s . Their paths are converging at a 45 degree angle . After the collision they remain locked together. What is the final speed of both satellites? What

50. ## In

ABC Company – Training Program ABC Company has 50,000 employees in its headquarters. The company wants to increase employee productivity by setting up an internal software applications training program for its employees. The training program will teach

51. ## Physics

A tennis player places a 60 kg ball machine on a frictionless surface, as shown below. The machine fires a 0.057 kg tennis ball horizontally with a velocity of 35.4 m/s toward the north. What is the final velocity of the machine?

52. ## law and ethics in allied health

The Patient Self-Determination Act requires all hospitals that receive Medicare and Medicaid funding to

53. ## help

What is a pictorial stage of art?

54. ## geometry

In four non collinear points , how many line segments can be drawn?

55. ## physics

A helicopter flies south at 185km/hr relative to the ground. The wind is blowing 60km/hr to the west compared to the ground. What is the helicopter's speed to an observer on the ground?

56. ## Geometry

an airplane flying at an altitude of 10,000ft or 1.89 miles. The airport at which it is schooled to land is 50 mi away. Find the average angle at which the airplane must descent for landing round your answer to the nearest degree.

57. ## College math 100

A midwestern music competition awarded 40 ribbons.The number of blue ribbons awarded was 2 less than the number of white ribbons. The number of red ribbons was 3 more than the white ribbons. How many of each kind of ribbons was awarded?

58. ## Confidentiality in Allied Health

What is one type of information that must be reported to the NPDB

59. ## Chemistry

14.6 mL of hydrochloric acid is completely neutralized by 25.0 mL of 1.40 M sodium hydroxide, what was the hydrochloric acid mass percent (m/m) before the titration? (Density of hydrochloric acid is 1.02 g/cm3)

60. ## Chemistry

What does the photoelectric effect show about the connection between light and electrons? A. Light can remove electrons from atoms. B. Electrons are composed of light. C. Light is composed of electrons. D. It takes 2 photons of light to cause 1 electron to

61. ## Physics

Two carts with masses of 4.66 kg and 3.00 kg move toward each other on a frictionless track with speeds of 4.77 m/s and 3.33 m/s respectively. The carts stick together after colliding head-on. Find the final speed.

62. ## law and ethics in allied health

While a patient is having surgery, his doctor notices a small mole. The doctor doesn't think the mole is anything to worry about, but he decides to remove it to perform a biopsy. What is the doctor guilty of?

63. ## law and ethics in allied health

Which type of normative ethics theory describes deciding to abort a woman's pregnancy to save the woman's life

64. ## Confidentiality in Allied Health

What is one type of information that must be reported to the NPDB?

65. ## physics

A skydiver weighing 840 N opens his parachute at the appropriate height from the ground. The air exerts a significant upward drag force, which is initially greater than the weight of the diver. This helps to slow the skydiver down. What is the diver's

66. ## math

. Darya's car averages 36 miles per gallon. How many gallons of gas will she need for a 480-mile trip? What is the cost of the gas she needs if gas costs \$3.12 per gallon?

67. ## Algebra

Marie, a resident of Metropolis, pays Metropolis an annual tax of \$46 plus 2.4% of her annual income. If Marie paid \$1,558 in tax, what was Marie's income?

68. ## law and ethics in allied health

The branch of ethical theory that considers the origin and meaning of ethical principles is known as

why does a planet's orbital radius represents that planet's average distance from the sun and not its exact distance?

70. ## Math Check!!

Annual deposits of \$3150 are made into a bank account earning 4 % interest per year. Round all answers to two decimal places (a) What is the balance in the account right after the 15th deposit if interest is calculated annually? For this I know the formula

71. ## Science

An airplane with a speed of 27.4 m/s is climbing upward at an angle of 48° counterclockwise from the positive x axis. When the plane's altitude is 860 m the pilot releases a package. (a) Calculate the distance along the ground, measured from a point

72. ## chemistry

In which unit is the wavelength of an electromagnetic wave commonly measured? A. J B. nm C. s–1 D. kg All most positive it is b but I just wanted to make sure.

73. ## Biology

name three ways somatic cells are different from gamete cells. 1. Gametes are sex cells and are always haploid 2. Somatic cells are non sex cells 3. ?

74. ## Civics

Florida has 27 representatives while Massachusetts has nine representatives. Why do states have different numbers of representatives? Voters in each state decide how many people to send as representatives. The amount of land a state has within its borders

75. ## chemistry

What is the molality of 67.1g of Nano3 in 2.5l of water i get the molar mass of nano3 and divide it by the 67.1g and multipy it by 2.5l

76. ## algebra

what is the slope intercept form (y = my + b) For x - 3y = 6 3y = x - 6

77. ## problem solving

select a problem that you have worked on but not yet solved, and that you feel you can eventually solve. present the following : a show or describe what you have done so far (it could be that you tell me where to find your work in your notebook) b assess

78. ## math

There were 845 million facebook users in 2011 and 608 million in 2010. What is the percent since Facebook is now used by 1 in every 13 people on earth? is the answer:7.69% 1 x x - - 13 100

79. ## Math

Expand and simplify: (5r - 6s + s2) (13r + 3s - 5s2) I got 65r^2-25rs^2+78rs+18s^2+3s^3+5s^4 but it's wrong?! Please correct me!

80. ## Chemistry

A spoon of sterling silver is 92.5% silver by mass and the rest is made of other metals, usually copper. If the spoon contains 0.557 mol of silver, what is the mass of the spoon?

81. ## Math

The relative value of currencies fluctuates every day. When this problem was written, one Netherland Antillean Guilder (Used on the Caribbean island of CuraÇao) was worth .558659 US dollar. a. Find a function that gives the U.S. dollar value f(x), of x

82. ## math

A student reader is making \$7.20 per hour and gets a \$0.64 raise. What is the percent increase? (Round to the nearest tenth of a percent.)

83. ## Physics/Calc

A ball is thrown vertically upward from a cliff with a speed of 20 ft/sec. The ball hits the ground at 140 ft/sec. How high is the cliff? v'+-32

84. ## Speaches

When researching for supporting materials about the impact of violence in the media, it is a good idea to get assistance from this resource. A. Television B. Call-in radio C. Librarian D. Personal interview

85. ## To Drbob222

I just wanted to tell you that all my tests are supervised by a teacher. My questions are part of practice tests and review questions.

86. ## Economics

How to calculate autonomous consumption

87. ## Calculous

Without using a calculator, find the sum of the series. Pretend in place of E is Greek Letter Sigma. 27 E(4 + 1/2n) = ? N=0

88. ## Algebra

standard form Ax + By = C Convert equation into standard form Y = 9/7x + 1 7y = 9x + 7

89. ## law and ethics in allied health

Which one of the following statements is an example of hearsay?

90. ## Confidentiality in Allied Health

According to the AMA, what is a key reason behind a physician's duty of confidentiality to a patient?

91. ## Algebra

What is the difference between an Equation and a Inequality?

92. ## calculous (Series)

-2.02 - 2.11 - 2.2 - ... -4 Find the sum of the series

93. ## physics

A 5.00kg stone and a 50.0kg stone are released from rest at the same height above the ground. There is no appreciable air drag. Which of the following statements is or are true? (More than one statement may be true.) A. Both stones have the same initial

94. ## Math

You have an ear infection and are told to take a 200 mg tablet of ampicillin (a common antibiotic) four times a day (every six hours). It is known that at the end of six hours, about 5% of the drug is still in the body. What quantity of the drug is in the

95. ## Math

9 6/8 = n+ 2 1/8

96. ## L.A. Not really important but want an answer. . .

What are the different types of poems? ^-^

97. ## science

A polo player hits a ball with a mass of 0.42 kg with a force of 7.35 Newtons. How does the force the polo player's mallet exerted on the ball compare to the force the ball exerted on the mallet? A. The force of the mallet on the ball is equal in magnitude

98. ## Math

1/27 + 1/9 + 1/3 + ... + 81 I know the series is geometric. d = 1/3 Multiplying each by 1/3 to get the next value do i use the sum of geometric series a(1-r^n)/ 1-r

99. ## Math

You have an ear infection and are told to take a 200 mg tablet of ampicillin (a common antibiotic) four times a day (every six hours). It is known that at the end of six hours, about 5% of the drug is still in the body. What quantity of the drug is in the

100. ## Math help!

Annual deposits of \$3150 are made into a bank account earning 4 % interest per year. (a) What is the balance in the account right after the 15th deposit if interest is calculated annually? (b) What is the balance in the account right after the 15th deposit

101. ## Confidentiality in Allied Health

According to the AMA, what is a key reason behind a physician's duty of confidentiality to a patient?

102. ## math

Find the measure of the interior angle in a regular polygon if the ratio of the sum of the measures of the interior angles to the sum of the measures of the exterior angels is 4

103. ## English

What is the conflict and resolution in a journey through Texas by Alvar Nunez Cabeza de Vaca and Plymouth plantation by William Bradford ?

104. ## calculous (check)

If air resistance is neglected, a falling object travels 13 ft during the first second, 39 ft during the next, 65 ft during the next, and so on. These distances form the arithmetic sequence 13, 39, 65, ... .In this sequence, a(subscript)1 = 13 d equals 26.

105. ## chemistry

What mass of solution contains 15.0g of sulfuric acid in a 20.0% solution

106. ## Macroeconomic

Suppose the current interest rate is 12 percent and a bond with a face value of \$500 that pays a coupon rate of 15 percent is selling for \$450. Calculate the yield on this bond. How do I calculate the yield on this bond?

107. ## Math

Am I correct on these? 1.Does every line have both an x-intercept and a y-intercept? Yes. 2.Does every line have an infinite number of lines that are parallel to the given line? Yes. Does every line have an infinite number of lines that are perpendicular

108. ## English

I need help with usage and mechanics, what are some tips? I don't understand them, any websites to help me out?

109. ## Physics/Calc

A ball is thrown vertically upward from a cliff with a speed of 20 ft/sec. The ball hits the ground at 140 ft/sec. How high is the cliff? v'+-32

110. ## Algebra

convert the equation 9x - 7y = -7 Answer: 7y = 9x + 7

111. ## law and ethics in allied health

Attorneys often take malpractice cases on a contingency fee arrangement, which means their fees

112. ## math

one radio station broadcast a weather forecast every 18 minutes and another station broadcast a commercial every 15 minutes. If the stations both a weather forecast and😛a commercial at noon,when is the next time that both will be broadcast at the same

113. ## physics

A football punter accelerates a 0.47 kg football from rest to a speed of 6.4 m/s in 0.27 s, what constant force does the punter exert on the ball? N upward

114. ## Algebra

What is a 4th degree polynomial model calculator for this set of data: 1994 2814 1996 3603 1998 5429 2000 3962 2001 4117 2004 3840

115. ## Chemistry

The mass/volume percent of a sodium sulfate and water solution is 12.0% m/v. If the density of the solution 1.22 g/mL, what is the molarity of the solution?

116. ## Sequences

An arithmetic sequence has first term of 6 and difference of 8; what is the tenth term? a10(subscript 10) = ?

117. ## problem solving

a select a mathematics theorem or rule from class and make a list of its attribute? b generate at least three new problems by considering the question: " what if the some or all of the given attributes are not true?" c thoroughly investigate one of the

118. ## Math

A basketball player received a contract from the New York Knicks in which he was offered \$5 million a year for ten years. Determine the present value of the contract on the date of the first payment if the interest rate is 3 % per year, compounded

119. ## Math

5 Σ 4(3/4)^k k=0 Find the sum of the series. Round the answer to three decimal places.

120. ## Math

A basketball player received a contract from the New York Knicks in which he was offered \$5 million a year for ten years. Determine the present value of the contract on the date of the first payment if the interest rate is 3 % per year, compounded

121. ## science

2) Which is not an example of matter? A. water B. air(i think it this one) C. gold D. sound 3) The amount of space an object occupies is called its ..... A. volume(i think it this one) B. mass C. electricity D. gravity 4) Atoms in a molecule are joined

122. ## science

example of a change in state in state that releases energy

123. ## Algebra

Evaluate [3.2]. It is a floor and ceiling function. Thanks.

124. ## s

What does it mean to tell what you see in a child drawing ?

125. ## Equations and Inequalities

What is the difference between an **Equation** and a **Inequality**? I want an explanation not links. ~Thanks in advance~

126. ## Math

5) A car manufacturer has manufacturing plants in 3 major cities. Below are the daily amounts of cars produced per plant for 3 different model types. (matrix A) Model X Model Y Model Z Plant A 12 10 0 Plant B 4 4 20 Plant C 8 9 12 Due to wage increases,

127. ## soran univresity

Long per n in pyridin is not avairabl but ong per nytrogen in pyole is avairabl ?

128. ## art

which of the following was true of the age of reason? a. people justified their faith using scientific principles b. people valued science over faith c. people debated the raison detre

129. ## Chemistry

0.250 moles of HCL and 0.100 moles of acetic acid are mixed in 0.365 moles of water. Determine the following: [CH3COOH], [CH3COO^-], pH and pOH. Ka=1.8E-5. Calculate the pH of 0.05M CH3COO-Na+ . Plz show me step by step, really confused right now.

130. ## law and ethics in allied health

Res ipsa loquitur means that the burden of proof

131. ## algebra

Janel walks for x minutes and runs for y minutes for a total of 30 minutes of exercise. Ramal walks for 3 times as long as Janel but runs for half of the time she does for a total of 40 minutes of exercise. Is the system below correct for this situation?

132. ## Algebra

Tell whether the each statement is sometimes, always or never true 1) If n is zero then x^-n is 1 2) If n is negative integer then x^-n=1 3) If x is zero then x^-n is 1 4) If n is an integer then x^-n>1

133. ## Economics

On keynesian model what variables are used

134. ## Math

In the polynomial 7.08x^4 - 126.92x^3 + 595.95x^2 - 241.81x + 2780.54, an x value of 10 will give: 95,605?

135. ## s

What you would see in the children draw am not sure that mean?

136. ## chemistry

what mass of water is necessary to prepare 150.0g of 1.30% saline solution

137. ## Math

In the polynomial 7.08x^4 - 126.92x^3 + 595.95x^2 - 241.81x + 2780.54, an x-value of 16 will give: 95,605?

138. ## algebra 2

Simplify if possible..if not write not possible. 1.) 2√3+√27-√1/3 2.) √1/2•(√8+√2) 3.)√18-√3/√6

139. ## algebra

two integers, x and y have a product of 20. what is the least possible sum of x and y?

140. ## short story and poetry

what is the two words describing the main character in the piece of string?