# Questions Asked onAugust 18, 2015

1. ## algebra

which of the following assessment types has the greatest effect on your overall grade

2. ## introduction to computers

you need to install an operating system on a computer that will be sharing files for the company employees. You estimate there eill be as many as 15 users accessing these files at one time. Which operating system is ideally suited for this machine?

3. ## Language Arts

What is the most important element of the plot of Lord of the Rings? a) the elves sailing away on ships b) Galadriel's gifts of magic c) the journey to destroy the ring or d) the journey to Rivendell. I think it is C) the journey to destroy the ring.

4. ## algebra

whats the difference between a 16 ounce brick and a carpenter?

5. ## Diff Calculus

a swimming pool is 5m wide, 10m long, 1m deep at the shallow end, and 3 m deep at its deepest point. a cross section is shown in the figure. if the pool is being filled at a rate of 0.1 m3/min, how fast is the water level rising when the depth at the

6. ## health

Using the Dietary Guidelines for Americans, 2010 as a reference, evaluate the 3 web-based nutrition sites listed below. Explain why you think the information is accurate or not. Dietary Guidelines for Americans, 2010: Do I need to write about what? How the

7. ## Language Arts

Identify the antecedent for the underlined pronoun in the sentence below. The boy was excited about his date with Sheila, but he didn't know how (it) would turn out. It is underlined A. boy B. date C. Sheila Is the answer B? Thank you

8. ## Chemistry

1) A reactions has a delta H of -76 Kj and a delta S of -117 J/K. Is the reaction spontaneous at 298 K? Work: Delta G= -76kJ/mol - 298K(-117J/K/1000) Delta G= -41.134 Spontaneous 2) A reaction has a delta H of 11 kJ and a delta S of 49 J/K. Calculate the

9. ## pre-cal

find the length of side b ABC to the nearest whole number if A = 42, B = 87, and a = 24

10. ## Chemistry

Predict whether the following reactions would be spontaneous or not under standard conditions or if it's impossible to tell. 2 KClO3(s) + 3 C(s) --> 3CO2(g) + 2KCl(s) Exothermic 2 NO(g) + O2(g) --> 2NO2(g) Exothermic H2(g) + Zn(ClO3)2(s) --> 2HClO3(l) +

11. ## Social studies.

The earliest type of trade was A. Bartering B. Currency C. Economies D. Cowry shell currency Is the answer A? Thank you

12. ## maths

If root2=1.4 and root3=1.7 find value of 4/3 root3-2 root 2+3/3 root3+2 root 2

13. ## english plz plz help

Which of the following lines of dialogue best reveals Ram's false heritage to the landlord? a. "You look like a man who could tell me the right place to go." b. "I am an Untouchable from the heart of India." c. "Man is forever studying ways and means until

14. ## science

An eagle is a carnivore. It MOST LIKELY gets the energy it needs to reproduce from A) oxygen. B) plants. C) the sun.--------- D) rodents.

15. ## Chemistry

During its combustion, ethane combines with oxygen to give carbon dioxide and water. A sample of ethane was burned completely and the water that formed has a mass of 1.61 grams. How many grams of ethane were in the sample?

16. ## maths

if 24y5 is a multiple of 3 where y is the digit what might be the value of y?

17. ## Calculus 1

A Norman window has the shape of a rectangle surmounted by a semicircle. If the perimeter of the window is 32 ft, express the area A of the window as a function of the width x of the window.

18. ## English

1.If para- means beyond, then a paradox is something that is... 2.Examples of dogma 3.Using literal translations without the dictionary. -The prefix ortho- means "straight" or "correct" -The prefix hetero means "different" -The prefix homo means "same"

19. ## k12

which of the following assessments types has the greatest effect on your overall

20. ## introduction to computers

how do you access the context menu for a desktop or a file in windows explorer

21. ## physics

A boy runs 10.3 blocks North, 6.1 blocks Northeast, and 5 blocks West. Determine the length of the displacement vector that goes from the starting point to his final position. Determine the direction of the displacement vector. Use counterclockwise as the

22. ## algebra

A CD costs \$17.95 plus tax. The sales tax rate is 7.5%. Find the total cost of the CD.

23. ## Mathmatics

I want to be able to have \$50,000 a year during retirement. I want to make sure that I can have it until I am 100 years old. I plan to retire at 65. I can earn 6%. How much do I need to have at retirement to be able to make it?

24. ## Mmokeng secondary school

What type of structure would house the circuit most effectively?

25. ## Math (Probability)

A spinner is divided into x equal sectors, numbered 1 through x . The probability of spinning a number less than four is 1/10. Determine the value of x

26. ## Calculus 1

A box with an open top is to be constructed from a rectangular piece of cardboard with dimensions 18 in. by 30 in. by cutting out equal squares of side x at each corner and then folding up the sides as in the figure. Express the volume V of the box as a

27. ## Math algebr

Desire which property is illustrated by the given statement Which property is illustrated by the equation 3/7 (-17) = - 17 ( 3/7) A. Commutative property of multiplication B. Associative property of addition C. Distributive property D. Associative property

28. ## physics

Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at 25.0 degrees west of north, and the resultant of these two pulls is 350.0 N directly northward. Use vector components to find the

29. ## Chemistry

Calculate the pH of a potassium phosphate buffer if the pKa of KH2PO4 is 7.2 and the acid-base ratio is 2:1 I took Chemistry 7 years ago and am in a review for a Biochem course I am takin. I do not remember the basics so any help with how to get started or

30. ## managerial economics

TC=16Q2+10Q+36

31. ## Math

There were 35 gallons of water in a tank and 4.5 gallons of water in a pail. An equal amount of water was poured into the tank and the pail. The ratio of the water in the tank to that pail became 7:2. a. how much water was in the pail at the end? b.how

32. ## math

A large field measures 70 feet by 525 feet. If you divide it up into equal square garden plots , what size would the largest possible plot be with the sides of whole number length?

33. ## Math

It takes Kasey 1 2/3 hours to bike the Woodlawn Trail. It takes her 3 5/6 hours to bike the Hammerside Trail. How many times as long does it take Kasey to bike the Hammerside Trail than the Woodlawn Trail ? A. 2 1/6 B. 2 3/10 C. 2 1/3 D. 5 1/2 How to solve

34. ## english

Either one of them __ enough experience to do the job. Twenty years __ a lot of time in the field, and that’s how long they’ve been doing this work. Which of the following options correctly completes the sentence above? has, are has, is have, are have,

35. ## Math

What is 9 divided by 7 with the answer in fraction form?

36. ## math 5

In the cafeteria,100 milk cartons were put out for breakfast. At the end of breakfast,27 remained.

37. ## MATH

Whats 12 * 4/5 = ?/1 * ?/? = ?/? * ?/? = what? doesnt make sense

38. ## Math

A car engine is running at 5000 revolutions per minute. (a) how many revolutions are made in one hour? (b)if this engine uses 10 litres of fuel in one hour, how much fuel, in millilitres,does it use for every revolution?

39. ## Lyncheez Bee (math)

The sum of digits in a three digit number is nine. The tens digit is half the other two and the hundreds digit is half the units digits. Find the total value of the number

40. ## Math

I posted this under business the first time and got no answer so since its more mathematical here it is again: I can only put away \$1,000 a year toward retirement. I am 22 and plan on retiring at 65 and earning 6%. How much will I have at retirement? Not

41. ## Augusco

The speed of a car weighing 1500kg increase from 40m/s to 50m/s.calculate the change in its momentum

42. ## Math

A triangle has one side that lies along the line y=1/4x and another that lies along the line y=-1/4x. Which of the following points could be a vertex of the triangle? A. (4,4) B. (0,0) C. (-4,-2) D. (1,8) E. (-2,-8)

43. ## maths

if 91z 5 is a multiple of 9 where z is a digit what might be the value of z?

44. ## math

Y varies partly as X and as X^2 when X=2 Y=14 and when X=5 Y=65.Express Y interm of X hence find Y when X=-2

Teachers say ''tourism is like Life Orientation at Varsity'' so next year i will no longer exist. What will i do and other learners,please help?

46. ## phaphamani secondary

State ohms law in words

47. ## usiness math

You decide to take out an ordinary interest loan of \$30,000 at 4%, on a 90 day note. a) In 45 days you decide to make a payment of \$10,000 on the loan. What is your new principal? Explain how you got the answer.

48. ## chemistry

/Users/Sydneyvanalphen/Desktop/Screen Shot 2015-08-18 at 3.21.30 PM.png hi i need help with this homework problem I don't get how they are getting the answer 75?

49. ## english

The store will stay open later during the holiday season. The store will stock a variety of seasonal merchandise. The store will have many discounts available for holiday shoppers. When revising the paragraph above, the writer should address which of the

50. ## Physics

How Much Work Is Done Against Gravity In Sliding A 500g Object Through 2m Up A Smooth Plane That Is Inclined 30degree To The Horizontal(g=9.8)

51. ## Algebra

Christina has three more quarters than dimes. The total value of the dimes and quarters is \$13. How many quarters does she have?

400000000

53. ## math sqrt root

1) x¡Ô2x + 2¡Ô2x^3 + 2x^2/¡Ô2x Ans 4x¡Ô2x 2) (1/2)^1/3 Ans 3¡Ô1/2 = 3¡Ô4 /2 3) ¡Ô2/3 Ans ¡Ô6/3 4) 3¡Ô2/3 Ans 3¡Ô18/3 5) ¡Ô2 + 1/¡Ô2 Ans 3¡Ô2/2 Please help I really don't know how to simplify.

54. ## Algebra

I have a problem that reads as: -4x-2y=12 4x+8y=-24 And when solved the answer is (2,-2), but I checked the answer in the back and it says (6,-6) How does that WORK??

55. ## AP world

I can do research for a thesis on whatever AP World topic I want, but I can't find a favorite. Do you guys have any interesting topics you think would be nice to research?

56. ## math

Paula always withdraws 20 dollars more than she needs from the bank. a. Write an expression for the amount of money Paula withdraws if she needs d dollars. b. Find the amount of money Paula withdraws if she needs 20, 60, and 75 dollars.

57. ## Calculus

Hello, Could somebody kindly check my answer for the following question? Find the derivative of the following function: h(x)=3e^(sin(x+2)) h'(x)=3'(e^(sin(x+2))+3(e^(sin(x+2))' h'(x)=0(e^(sin(x+2))+3(e^(sin(x+2))(cos(1)) h'(x)=3cos1(e^(sin(x+2)) I would

58. ## english

Understanding which flavors complement each other can take years of practice Following these basic tenets will allow you to produce recipes that your friends and family will love to share. Once you’ve mastered flavor combinations, however, there’s no

59. ## science

Should designers of Olympic medals use oxygen (O) to make an Olympic medal?

60. ## Math dimensional anaylsis

To make a banner for a football game: 9 yard banner can be made in 3 hours. What is the rate of work in feet per minute?

61. ## calculus

find the minimum and maximum points of the curve y=x^4-4x^3+4x^2

62. ## G.J.PUC

An orgonic compound on analysis is found to contain C=18.6% , H=1.55% , Cl=55.04% , and O=24.8%.Calculate its molecular formula?

63. ## physics

The magnitude of the velocity of a projectile when it is at its maximum height above ground level is 15 m/s. (a) What is the magnitude of the velocity of the projectile 1.2 s before it achieves its maximum height? (b) What is the magnitude of the velocity

I can only put away \$1,000 a year toward retirement. I am 22 and plan on retiring at 65 and earning 6%. How much will I have at retirement? Not positive the answer I got is correct..my answer is \$464,215.00

65. ## math

at the rate of 50 mph a car can travel 14.6 miles for each gallon of gas used. On a trip Mr. Hanson used 12.5 gallons of gas traveling at a speed of 50 mph. the number of miles covered during the trip was:

66. ## Tourism

Is it true that Tourism is like Life Orientation at Varsity?

67. ## Math (Calculus)

Hello, I have a difficulty with the following question. The question is asking to find the slope of the tangent at x=3 for this function: f(x)=4x^3/sinx. X is measured in radians. The is the derivative of f(x): f'(x)=(12x^2)(sinx)^-1 +

68. ## Math

How do you graph mixed fraction from a table on a coordinate plane ?? Thanks

69. ## algebra

write the following using exponents: -5-5-5

70. ## algebra

I think it is: (-5)(-5)(-5)

71. ## Slope

Can you teach me how to determine the slope using the equation below? y=6x+3

72. ## cp biology

include the following vocabulary when completing the concept map. be sure to PLACE THE WORDS in the correct step of the scientific method, and DISCUSS what occurs at each step. words: qualitative data quantitative data independent variable data analysis/

73. ## Environmental Conservation

What are the loopholes in blindly assuming that Traditional Ecological Knowledge (TEK) is the most complete knowledge for effective conservation? What are the possibilities of linking traditional knowledge with scientific methods to help in conservation

74. ## algebra

Could someone please help. Consider the function 3x^2-7. Find f(-2). a) -1 b) 5 c) -5 d) 0 I think its a) -1 but not sure. Thank you for your help

75. ## jfk

A border will be put up in a 12ft by 16ft room. What is the maximum length should be bought? Why might less be needed?

76. ## Science

what are the effects of oxygen on medal.

77. ## Math

R is a 3 digit number The first digit is the answer when the third digit is divided by 5. The second and third digits add to 8. The difference of the first and second digit is 2.

78. ## physics

The length of spring is alpha when force of 4 N is applied on it. The length is beta when force of 5 N is applied then the length of spring when 9 N force is applied is ?

79. ## Physics

what is the schwarzschild radius of a black hole with a mass of 1.68x10^43kg

80. ## Life orientation

Identify environmental issues that cause ill-health

81. ## Biology

what is the scientific meaning to the word foundation?

82. ## algebra

If 192,x,y,3 form a geometic sequence, calculate the valuest of x and y.

83. ## Math

6 7/8 + 2 3/8=

84. ## chemistry

what are the precautions taken while preparing tris(acetylacetonato)-manganese 3 from potassium permanganate and acetylacetone.

85. ## health

How is family therapy a treatment option?

86. ## maths

write 194 in the form of 10k a

87. ## Algebra

Simplify: ∜(8/9a^3) The answer key says 648/(a^3)^(1/4). ??????????