# Questions Asked onAugust 27, 2013

1. ## Physical Science

Which of the following does NOT show the law of conservation of mass? A. 24 g of Mg burn in 32 g O2 to produce 56 g of MgO. B. 24 mL of Mg burn in 32 mL O2 to produce 56 mL of MgO. C. 2 atoms of Mg react with 1 molecule of O2 to produce 2 units of MgO. D.

2. ## Pyhsical Science

Which of the following statements is true about scientific theories? A. Scientific theories become scientific laws. B. Scientific theories are never proven. C. Scientific theories become hypotheses. D. Scientific theories summarize patterns found in

3. ## Pyhsical Science

What is a system of knowledge and the methods used to find that knowledge? A. science B. technology C. measurement D. curiosity I think it's D.

4. ## Grammar

Which is correct? I have been..... Crazy busy Or Crazily busy

5. ## math

The weight of a fish varies jointly as its girth and the square of its length. One fish weighed in at 24.6 lb and measured 35 in long with 24 in girth. How much would a fish 37 in long with 22 in in girth weigh?

6. ## math

Write two hundred forty nine in base ten numerals.

Identify the words that correctly complete the following sentence. If none of the choices are correct, choose "none of the above." In a sentence with a compound verb, each verb (Points : 1) may have a different subject must have the same subject may not

8. ## math

Assume that stopping distance of a van varies directly with the square of the speed. A van traveling 40 miles per hour can stop in 60 feet. If the van is traveling 68 miles per hour, what is the stopping distance?

9. ## physics

A speeder traveling at a constant speed of 125km/h races past a billboard. A patrol car pursues from rest with constant acceleration of (8.0km/h)/s until it reaches its maximum speed of 190km/h, which it maintains until it catches up with the speeder. (a)

10. ## Algebra-help

Does y vary directly with x? if 3y=-7x-18 yes:3 yes:-7 no yes: 7/3 my first thought was no but I question 7/3??

11. ## Physical Science

Which of the following is a heterogeneous mixture? A. water in a swimming pool B. sugar water C. a jar of mixed nuts D. stainless steel I think it's B.

12. ## Chemistry

What is the empirical formula of a compound that is 14g calcium, 11g oxygen, and 0.7g hydrogen? A. CaOH B. Ca(OH)2 C. Ca2OH2 D. CaO2H

Which of the following poems is a dramatic monologue? (A) "My Last Duchess" (B) "Love Among the Ruins" (C) Childe Roland to the Dark Tower Came (D) all of these

14. ## Physical Science

Which of the following statements about ice melting is true? A. Energy flows from the ice to its surroundings. B. Water molecules move from their fixed position. C. Water molecules lose energy. D. The temperature of the ice increases as it melts. I think

15. ## Physics

(1) What is the linear speed of the earth in its orbit about the sun? Give your answer in meters per second. (Consider the earth's orbit to be a circle of radius 1.50×1011 m.) (2) What is the linear speed of Jupiter in its orbit about the sun? Give your

16. ## math

Write the variation and find the quantity indicated. F varies jointly as q1 and q2 and inversely as the square of d. If F=12 when q1 =3, q2=9 and 9=3 The variation of F=

17. ## Math

Kenneth has 22 math problems to do for homework. He has 12 problems done.How many more problems does he left?if he completes 1 problem every minute,how many more minutes does he have to work?

18. ## home economics

pls i need the three main branches of home economics and explain one

19. ## Physics

Standing side by side, you and a friend step off a bridge at different times and fall for 1.41 s to the water below. Your friend goes first, and you follow after she has dropped a distance of 1.93 m. (a)How long does it take your friend to fall 1.93 m?

20. ## Algebra 1 high school

In deep water, the speed s (in meters per second) of a series of waves and the wavelength L (in meters) of the waves are related by the equation 2(pi)s^2=9.8L. a. Find the speed the the nearest hundredth of a meter per second of a series of waves with the

21. ## physics

Bees often work together for the greater good of the hive. Sometimes they can get excess charge on them. Four pairs of bees, which can be represented as identical, conducting spheres, bump into each other in the hive. Rank the bees in the order of the size

22. ## math

one white marble, two blue marbles, and three red marbles were in a bag. One marble was drawn from the bag and then put back. then another marble was drawn. What is the probability that a white marble was drawn both times? answer: 1/36

23. ## Algebra-help

1. What is the Algebraic expression for the following word phrase: the quotient of 8 and the difference of x and m? 8/x-m * 8-x/m x-m/8 8-x/m 2.Which sum of difference is equivalent to the following expression? 5-3x/5? 1+3/5 1+3x/5 1-3x/5 * 25-15x * is my

24. ## geometry

abc and cbd are adjacent angles which side do the angles have in common

25. ## Chemistry Check?

Balance Chemical Equations; 1. C2H6(g)+O2(g)---->H2O(g)+CO2(g) Answer: 2C2H12(g)+2O7---->H12O6+2C2+O8

26. ## Percy Jackson:Lightning Thief

What is the motif in "Lightning Thief" ?

27. ## Chemistry

Oops I posted the right question but wrong answer options... What mass of propane (C3H8) is needed to produce 346g carbon dioxide in the following reaction? C3H8(g)+5O2(g)->3CO2(g)+4H2O(g) A. 346g C3H8 B. 115g C3H8 C. 5075g C3H8 D. 1.86g C3H8

28. ## PHYsics !!

a) What do you understand by Simple Harmonic Motion? b) A simple harmonic motions is characterized by the equation x = (10 cm) sin (0.1t + ) where, x is in cm and t is in seconds Determine the i. amplitude and angular frequency. ii. linear frequency and

29. ## Chem

Radioactive 24Na with a half-life of 14.8 hours is injected into an animal in a tracer experiment. How many hours will it take for the radioactivity to fall to 12.5% of its original intensity? I am confused on what number to start with

30. ## math

It is 25 degrees outside.The temperature drops 30 degrees what is the temperture now.

31. ## Math

Can anyone solve 4/3=2/15j?

32. ## Chemistry

What mass of propane (C3H8) is needed to produce 346g carbon dioxide in the following reaction? C3H8(g)+5O2(g)->3CO2(g)+4H2O(g) A. 68.8gS B. 3.07gS C. 13.5gS D. 41.0gS

33. ## Science , physics

At the beginning of an invertigation , a student determines that the temp. of a beaker of water is 99.8+_ 0.1C . At the end of the investigation , the temp. Is 35.5+_ o.1C . What is the change in temp.?? My answer is 64.5+_ 0.2 C . Is this right ? Thank

34. ## math

A clown weighs 60lb more than a trapeze artists. The trapeze artist weighs two thirds as much as the clown. How much does each weigh? Choices for the weight of the trapeze artist: 110,120,125

35. ## Science

(a) What magnitude point charge creates a 20000 N/C electric field at a distance of 0.210 m?

36. ## math

I have fewer ones than tens. The value of my tens is 20. What two numbers can I be?

37. ## AP Physics

I need someone to review the following questions for my summer assignment and tell me if my answers are right or wrong. Please do it carefully, and the problems I found to be the most trickiest were #2 and #5. (This is is AP physics) #1 In a pickup

38. ## cCongruence and transformations?

m (x,y) --> (-x,y) is what transformation reflection rotation or translation m (x,y) --> (y, -x) is what transformation reflection rotation or translation m (x,y) --> (2x,2y) is what transformation reflection rotation or translation how do you do this what

39. ## Physics

What is the force on the charge located at x = +8.00 cm in Figure 17.40(a) given that q = 5.00 µC and a = 2.50? (The positive direction is to the right.)

40. ## microeconomics

Question 17 of 20 5.0 Points On a linear demand curve, demand is ________ at small quantities than it is at the middle of the demand curve. A. less elastic B. equally elastic C. more elastic D. impossible to tell

41. ## Algebra

D = 1.2 square root h horizon in miles D from a height h 12000 feet in elevation how far are you from the horizon? use correct mathematical symbols and explaining thoughtly in words each step.

42. ## math

Seven friends share 3 liters of apple juice equally how much juice does each friend get?

Select the statement which reflects the employer position on electric monitoring. a.) An employee's actions during work time are at the discretion of the Company. b.) Employees should be notified of any electronic monitoring and its purpose. c.)Electronic

44. ## math

how do you write 6.4 X 10 to the 3 power?

45. ## Algebra

if you are looking at the horizon, you can determine the distance you are from the horizon in miles D from a height h in feet by the equation of D = 1.2 square root h if you are standing on a mountain top that is 12000 feet in elevation how far are you

46. ## SAT Math

I did these, but I got the wrong answers. Please explain how ... 1. If xy>1 and zz II.xyz

47. ## ACT Math

Of the 60 students in a school, 24 are currently studying chemistry. Exactly 16 of the girls in the school are not currently studying chemistry. The number of girls in the school is 33. How many boys are currently studying chemistry? Correct answer is 17.

48. ## math

Owen is 147.3 cm tall what is his height as a mixed number

49. ## math

Can two numbers have more than one greatest common factor(GCF)? Why or why not?

50. ## World History

List the defining characteristics of the Paleolithic Age

51. ## physics

What is the force on the charge located at x = +8.00 cm. q = 1.00 µC and a = 8.00? (The positive direction is to the right.)

52. ## Math.

1. Kiko works Saturday mornings at the video tape store. She bought ten videotapes on sale and used a \$10 employee discount coupon to help pay for the tapes. How much did she spend in all? 5 videotapes for \$45.95 She spent \$81.90 2. Toni bought six

53. ## math

how many hundreds are there in 1 million

54. ## Math

How many thousands of square kilometers of area does Canada have?

55. ## math

The price of a sweater went up 20% since last year . If last year's price was x, what is this year's price in terms of x?

56. ## ap world history

how did British tea trade help america?

57. ## Social Studies

What steps did American women take to advance their rights in the mid 1800s? -They protested. -Women from lower classes began to work. -Reform Movements, I can't think of any others?

58. ## human physiology

Please help, with the following question: "When an enzyme reaches its saturation point,..." A) the amount of substrate for the enzyme to act upon is very high B) the amount of substrate for the enzyme to act upon is very low C) the amount of product

59. ## tshelenkosi LO

Give brief explaination of their involvement and how their redress the issue?

60. ## math

The price of a sweater went up 20% since last year.If last year's price was x what is this year's price in terms of x?

61. ## English hurry

Identify the words that correctly complete the following sentence. If none of the choices are correct, choose "none of the above." In a sentence with a compound verb, each verb (Points : 1) may have a different subject must have the same subject may not

62. ## Geometry / Proofs

Given: Triangle ABC with AD bisecting angle BAC, and AE is congruent to ED (both line segments). Prove: AE/AC = BD/BC. Statements Reasons

A manager refuses to reveal company secrets despite an offer of handsome kickbacks. Which of the following reasons justifies her action if she were to subscribe to Kohlberg’s preconventional level of moral reasoning? A- An idea of the unpleasant emotions

64. ## Math

5.Last week Norrine bought a model airplane kit for \$18.67. How much would she have saved if she had waited until this week to buy the kit? This week only Model airplane kits \$3.99 Reg \$4.99-\$24.99 I don't know what to do on this one. 6. How much would you

65. ## science

The laws of this land do not shield public figures just criticism, but they do protect them against what?

66. ## Maths / physics

Calculate the rest mass (In grams) of an object whose rest energy is equal to the energy released by a tonne of tnt the energy liberated by 1 g of tnt = 4kJ Rest energy = moc 2 1 tonne of tnt equals 10^6 x 4kJ = 4 x 10^6 kJ x (3.0^8)sqrd = 3.6 x 10^23kJ is

67. ## Math

2. True or false. Suppose the slope of a straight line L is -3/4 and P is a given point on L. If Q is a point on L lying 2 units to the right of P, then Q is situated 3/2 units below P. Prove why.

68. ## Math

Find the perimeter of KRN if K(2,9), R(-5,3), and N(0,-7). round to the nearest tenth.

69. ## Human services

•2 examples of Learning theories that you would see in your work in the human services field. Please provide examples to support your statements

70. ## arithmetic

after 12 years, ria will be 3 times as old as she was 4 years ago. find her present age.

71. ## maths I need answer

A 2-digit number has a greater tens digit than the ones digit. The difference between the tens and ones digit is 3. The sum of the two digits is 15. Find the 2-digit number.

72. ## Math

Which expression represents the number in the pattern where "p" is the position of the number in the pattern? 20, 24, 28, 32, 36 a. 4(p +3) b. 4p - 4 c. 4p + 4 d. 4 (p+4)

73. ## Math

If the length and width of a triangle are tripled, what is the effect on the area?

74. ## Math

Write a definition of rounding in your own words.

75. ## math

What is the scenario for the question the capacity of a beaker is 150 m.l.. how many beakers can be filled from a 4 L container?

76. ## Portrait of the Artist- James Joyce grade 8

In A Portrait of the Artist as a Young Man by James Joyce, what does smugging mean?? kathi ♥4everneverlasts

77. ## algebra

One number is four times another. The larger number is also 87 more than the smaller. Find the numbers. Choices for smaller number: 29,30,33

78. ## calculus 2

Can you give us an example of finding the speed from the velocity? Suppose your velocity was v(t) = 2ti - 3j. What would be the speed?

79. ## maths I need answer

The sum of the tens and ones digits of a 2-digit number is 12. The digit in the tens place is greater than the digit in the ones place The product of the two digits is 35. Find the 2-digit number.

80. ## Physics ...

Can anyone tell me what this symbol means μu What does it mean in therm of values such as AMUs like 170604μu Thanks

81. ## life orientation

ways in which the environmental problem impact on community.sources to support your claims

82. ## Writing

Posted by Anonymous on Tuesday, August 27, 2013 at 7:10pm. Please give feedback and grade. Prompt:"Nothing in the world can take the place of Persistence. Talent will not; nothing is more common than unsuccessful men with talent. Genius will not;

83. ## Math

Approximately 15% of the students in ST130 obtain A grade. If 3 students are selected at random, find the probability that a)all of them obtain A grade in ST130. b)Exactly 2 obtain A grade in ST130. c)at least one obtain A grade in ST130

84. ## budgeting

George's car insurance comes due every six months. What is the best way to budget for this expense? A. He should wait for the premium notices to arrive and pay them from his current income. B. He should put the entire amount of the premium in a savings

85. ## English

I have to write an attention getting statement for a speech and I don't know where to start

86. ## Astronomy

For this question assume the moon is 110 of its diameter away from the Earth. The largest apparent size of Mercury that we ever see in the sky is 1/150 the apparent diameter of the Moon. The diameter of Mercury is about 4900 km. What is the closest that

87. ## Algebra 2

Formula to convert 5681mg to kg. I need to show the steps

88. ## algebra

when sandy looked out at the school parking lot,she noticed that for ever 9 minivans there were 5 other types of vehicles.If there were 168 vehicles in the parking lot,how many of them are not minivans?

89. ## chemistry

If 6 moles 735 of KCLO3 were used,what weight of oxygen in grams would obtained?

A manager refuses to reveal company secrets despite an offer of handsome kickbacks. Which of the following reasons justifies her action if she were to subscribe to Kohlberg’s preconventional level of moral reasoning? A-An idea of the unpleasant emotions

91. ## psychology

need psy 302 help anybody out there?

92. ## Geometry Honors

You and your friend each draw 3 points. Your points lie in only 1 plane, but your friend's 3 points lie in more than one plane. Explain how this is possible.

94. ## math

A media company divides 1 million copies of a new music CD into 100 equal groups before shipping the CDs to 100 stores. how many CDs is the company shipping to each store?

95. ## Algebra 2

Formula to convert 5681mg to kg. I need to show the steps

96. ## Math

How do you write the number 339.4 X 10 -10 in scientific notation?

97. ## Math

A 120m cable TV tower casts a 96m shadow. Find the height of a nearby telephone pole that cast a 16m shadow.

98. ## geometry

what is the diffwereence between a postulate and theorom

99. ## algebra

Factor 2a+13a-7

Scientific experiments must be able to be repeated by multiple scientists to verify the results that are obtained. Which of the following is an example.... a. Why do people like to watch television? b. Does the mass of a rocket affect the distance it can

101. ## Math

Tami wrote the even numbers between 325 and 337. The sum of the hundreds digit and tens digit equals the ones digit. What is Tamis number?

102. ## Algebra

(3Q+2T+F)/5=0.90 for F

103. ## math

9000 equal 900 times

104. ## math

The 1st 3 members of a team finished their laps with a mean time of 53 seconds. What mean time do the next 2 members will gine an overall team mean of 50 seconds?

105. ## english

i need a quote that evikes mood and a word decicribing the mood