# Questions Asked onAugust 12, 2014

1. ## chemistry

9. The reaction of 50 mL of N2 gas with 150 mL H2 gas to form ammonia via the equation: N 2(g) + 3H2 (g) → 2NH3 (g) will produce a total of mL of ammonia if pressure and temperature are kept constant

2. ## physics

You jog at 9.5 km/h for 7.0km , then you jump into a car and drive an additional 16km . With what average speed must you drive your car if your average speed for the entire 23km is to be 22 km/h? Work: i tried setting up a proportion and setting it to each

3. ## Biology

Diagram the genotypes of the P1 pea plants from the previous four questions by placing the correct answer on its correct place.

4. ## physics

a block of mass 3 kg rests on a smooth table and connected to another block of mass 2 kg, after passing over and ideal pulley, the block of mass 2 kg is released. how long does it take the block to travel 80 cm

5. ## algebra

what do the words, "express m in terms of n" mean? which wors would be considered the input variable into the expression? algebra 1 homework

6. ## Algebra

Write a word phrase for the Algebraic expression 3x - 7 My answer is the difference of 3 times a number x and 7

7. ## Math

A gardenervhas 100 meters of fencing to enclose two adjacent rectangular gardens. The gardener wants the enclosed area to be 400 sq meters. What dimensions should the gardener use to obtain this area?

8. ## Math

A car dealership employs 12 salesman and 28 mechanics. What is the ratio of salesman to mechanics?

9. ## math

a 5cm by 5cm square is cut from each corner of a rectangular piece of cardboard.the sides are folded up to make an open box with a maximum volume.if the perimeter of the base is 50cm,what are the dimensions of the box.

10. ## English

In the following sentence, which principal part of the verb describe appears in italics? The professor is describing the process of osmosis to the class today. A.past participle B.past C.present D.present participle

11. ## Math

A basketball player scored 18 times during one game. He scored a total of 35 points, two for each two point shot and one. For each free throw. How many two point shots did he make? How many free throws?

12. ## math

If ray BD bisects right angle ABC, the measure of angle ABD is?

13. ## phy111

A truck is moving at a speed of 70km/h. The exhaust pipe above the truck cab sends out a trail of smoke that makes an angle of 20o east of south behind the truck. If the wind is blowing directly toward the east, what is the wind speed at that location?

14. ## Math

A farmer is fencing a rectangular area for his farm using the straight portion of a river as one side of the rectangle. If the farmer has 2400 ft of fence, find the dimension of the rectangle that gives the maximum area for the farm

15. ## arithematic

A swimmer swam 1000 meters downstream in 15 minutes and swam back in 30 minutes against the current. what was the rate of the swimmer in still water? how fast was the current?

16. ## Maths

The random variable X has probability density function f(x)={ax+bx2 , 0

17. ## geometry

A log cabin is shaped like a rectangular prism. A model of the cabin has a scale of 1 cm to 0.5 m. If the model is 14 cm by 20 cm by 7 cm, what are the dimensions of the actual log cabin? Explain how to find the dimensions.

18. ## algebra

julia is studying the sum of interior angles in polygons. she creates polygons with 3,5,6,7 and 9 sides, and records the sum of the interior angles in each polygon in the table. Write an equation or inequality that represents the situation.

19. ## MATH

The first month's dues will be used to rent a film about computer-related careers, to purchase a reference book, and to buy refreshments for the next meeting. If 1/2 of the money is spent on her film, 1/4 of the remainder is used for refreshments, and

20. ## Algebra

Simplify (0.4) cubed

21. ## math

A LAMP POST IS 10 FEET TALL AND CAST A SHADOW. THE DISTANCE FROM THE TOP OF THE LAMP POST TO THE TIP OF THE SHADOW IS 20 FEET. FIND THE ANGLE OF THE ELEVATION.

22. ## math

To celebrate the first day of a leap year, I taught my dog to jump through a hoop. It was a Sunday. When he taught me the same trick the first day of the next year, it was a ? A. Sunday B. Monday C. Tuesday D. Wednesday

23. ## math

A bottle of water costs \$1.50. Explain how you would make a graph of four ordered pairs to model the total cost of the water in terms of the number of bottles.

24. ## english

I need help with this question about annabel lee. Identify literary elements (mood, imagery, symbolism, contrast, comparison) and explain how they add to your understanding of the poem. Discuss two specific instances in the poem where you see a literary

25. ## Algebra

If EG = 59 what are EF and FG? E to F is 8x-14 and F to G is 4x+1 X=______ EF=_______ FG=_______

To celebrate the first day of a leap year, I taught my dog to jump through a hoop. It was a Sunday. When he taught me the same trick the first day of the next year, it was a ? A. Sunday B. Monday C. Tuesday D. Wednesday

27. ## arithematic

A hat company is designing a one size fits all hat with a strap in the back that makes the hat smaller or larger. head sizes normally range from 51 to 64 centimeters. what absolute value inequality models the different sizes of the hat? graph the solution

28. ## maths

A bicycle wheel makes 240 revolution in 2 minutes.(a)At what rate is the wheel turning?Give the answer in numbers of revolutions per minute.

29. ## arithematic

A horticulturalist is building a fence around a rectangular garden using the side of the building for one side of the enclosure. she has 81 feet fencing. what should be the dimensions of the enclosure be so that she can maximize the garden's area?

30. ## maths

.A committee of 6 is to be selected from a group of 6 men and 9 women. If the selection is made randomly, what is the probability that the committee consists of 2 men and 3 women?

PLEASE HELP WITH MATH ANY HELP OR ANSWER IS APPRECIATED! 1. If the hands on a round clock moved counter-clockwise, to what number would the minute hand point 20 minutes before the hour hand pointed to the 3?

32. ## math

To the nearest 1%, what percent of the 12 months have 31 days? A. 75% B. 70% C. 58% D. 50%

33. ## Math

A rectangular lawn is 60meters by 80meters. A part of the lawn is torn out to install a pool, leaving a strip of lawn of uniform width around the pool. The area of the poolnis 1/6 of the old lawn area. How wide is the strip of lawn?

34. ## Earth Science

what is the driving force for the movement of the lithospheric plates? a- heat from the sun b- unequal distribution of heat within Earth c- heat in the atmosphere d- unequal distribution of heat from the oceans My answer is B

35. ## Algebra

Two angles are complementary. Their difference is 50^*. Find the angles.

36. ## Algebra

simplify 5+4 times (8-6) squared

37. ## math

The largest odd factor of 6^8 times 10^ 6 is?

38. ## Chemisty

I do not know how to rank the polarity between these, i have also included the boiling point in degrees C but it still does not help. The only thing that i think is that D is the least polar because it is symmetrical, and i think A is the most but I'm not

39. ## Math

Adrienne had a party at a local bowling alley. She spent seventy-five dollars for the lane and five dollars per person for shoes. Let c be the total cost of the lane and shoes, and let f be the number of friends at her party. Write an equation to represent

40. ## Algebra

The sum of two numbers is 9. Four times the larger number plus three times the smaller number is 48. Find the numbers. Thank you

41. ## Math

I need help finding the greatest common factor between these two expressions 3u^3x^5y^8 and 21u^6x^5 I was thinking 7u^3y^8

42. ## math

The largest circular shape my pieced of string can form has a diameter 8 cm long. How long is the diameter of the largest circular shape that half my piece of string can form?

43. ## phy

Given three vectors a⃗ =−i⃗ −4j⃗ +2k⃗ , b⃗ =3i⃗ +2j⃗ −2k⃗ , c⃗ =2i⃗ −3j⃗ +k⃗ , calculate a⃗ ⋅(b⃗ ×c⃗ )

44. ## math

In a Sing Thing, the first 4 singers sand song 1, the next 4 sand Song 2, and so forth. Song number 73 sang Song? A. 18 B. 19 C. 20 C. 73 I got 15 but I don't know.

Let R be the relation on ℤ+×ℤ+ defined by (a,b)R(c,d) if and only if a−2d=c−2b. (a) prove that R is an equivalence relation (b) list all elements of the equivalence class [(3,3)] (c) find an equivalence class that has exactly 271 elements. (d) is

46. ## math

What is 56 1/4% = in the simplest form. Give the step by step example to help me understand. Thanks....

47. ## accounting

The charter of the corporation authorized 500,000 shares of \$5 par common stock, and 50,000 shares of \$40 par, 3%, preferred stock. As of January 1, 2014, there were 20,000 shares of common stock issued and outstanding and 4,000 shares of preferred stock

48. ## math

Subtract: 5/6 - 3/6 Write the answer in simplest form Choose the best answer from the options below: A 2/6 B 1/6 C 1/3 D 9/6

49. ## life Orientation

Identify environmental issues that causes ill-health to community in south africa

50. ## physics

A man in a boat moving at constant speed of 60km/h relative to the shore throws an object in the forward direction with a speed of 30km/h. What is the speed of the object as measured by an observer at rest at the shore?

51. ## math trigonometry

a post is 20 m high. the angle of elevation of top of a house which is in front of the post is 30° from its top and 45° from foot . Find the height of house and distance between them.

Write a 700- to 1,050-word paper in which you practice identifying the critical first stage of developing any research study: •State the purpose of the business research for each article. •Determine the research questions and hypotheses being

53. ## Help plz👍😂

Hero in long way from Chicago book why

54. ## Chemistry

A 2.00g sample of Fe3O4 is reacted with with 8.00g of O2 to produce Fe2O3. a) What mass of Fe2O3 will be produced? b) What mass of Fe2O3 will actually be produced if the percentage yield for reaction is 85% produced?

55. ## cOLLEGE mAJORS

ACCOUNTING VS IT WHICH IS HARDER? WHICH IS EASIER?

56. ## math

1. Let f : Z to Z and g : Z to Z be functions de fined by f (x) = 3x + 1 and g(x) = [x/2] . (a) Is fog one-to-one? Prove your answer. (b) Is fog onto? Prove your answer. (c) Is gof one-to-one? Prove your answer. (d) Is gof onto? Prove your answer.

57. ## math

I ONLY NEED HELP WITH PART C I DID THE REST ON MY OWN plz help Shane drew 3 squares with each side equal to n units. For each square, he does something different to it according to each part below. Part A: Shane increased the length and width of the square

58. ## English

3. Correct the following sentences for subject-verb agreement, tenses and fragments. i) My car it is very beautiful. ii) When he thought he could afford to pay his own school fees. iii) This students keep making noise. iv) When I was young, I use to love

59. ## algebra

2x+3 divided by x=x+5divided by 2 2(2x+3)=x(x+5) 4x +6=x^+5 x^+5x-44x-6 x^+x-6 (x-1)(x+6) x-1=0 x=1 x+6=0 x=-6

60. ## algebra

k+5=-6divided byk k^+5k=-6 k^+5k-6 (k-6)(k+1) k-6=0 k=6 k+1=0 K=-1

62. ## Grammar

You mustn't allow your frustration to interfere with your motivation," advised the Admission Counselor. 'Tech support is available to help", she then explained. Is that punctuated correctly

63. ## ENG1511

Correct the following for subject-verb agreement, tenses and fragments. 1.My car it is very beautiful. 2.When he thought he could afford to pay his own school fees. 3.This students keep making noise. 4.When I was young,I use to love playing with dolls.

64. ## math lit, life science, geography and cat

Hi im a Matric learner and would really like to know what careers I could possibly look into with my subjects listed above Thank you

65. ## collge sydney

This flywheel has a mass moment of inertia of 0.2 kgm2 and rotates at 53500 RPM. Calculate the kinetic energy ?

Mark has \$4.40 nickels and dimes.he has thirteen more nickels than dimes. How many of each does he have?

I think its A, Select the mathematical sentence that is true. A. 2 • (8 – 5) + 3 < 7 + 3 • 2 B. 2 • (8 – 5) + 3 > 7 + 3 • 2 C. 2 • (8 – 5) + 3 = 7 + 3 • 2

. Let A = {1,2,3,4}. Prove the statements (a) and (b). You must describe the relations on A as a subset of AxA and also draw their arrow diagrams. (a) There exists a relation R on A so that R is refexive, symmetric but not transitive. (b) There exists a

69. ## Algebra

Simplify the expression 4 squared + 8 /2 My answer is 12

70. ## ramjas

the sum of the digit of a two digit number is 13 and the diffrence btween the number and that form by reversing the digit is 27, find the number...

71. ## math

i'm a four digit number having all the digits odd except 9 and the digits are in ascending order. who am i?

72. ## Math

let f: ℤ→ ℤ and g: ℤ → ℤ be functions defined by f(x) = 3x + 1 and g(x) = |_x/2_|. (a) Is f o g one-to-one? prove (b) is f o g unto? prove (c) Is g o f one-to-one? (d) Is g o f unto? Thank you for your help.

73. ## Tech

__________ is one of the few major indicators for which the ratio of production between the U.S. and China reflects the ratio of population size. A. Bicycle production B. Meat consumption C. Automobile production D. Fertilizer use im confused between A and

74. ## physics

according to the statement given what is the magnitude of the velocity of the rock just before it strikes the ground

75. ## English

Please paraphrase this: “In my experience as both a learner and later a language practitioner, one has to have a drive that will obstinately motivate one to succeed against all odds.”

76. ## algebra

1/3 + 5/s-4=2 s-4+15=2 s-4=2-15 s=(2-15)+4 s= -13+4 a=9

77. ## algebra

there is a radicand equation of 1/2n+3=3 There is an index of 4 1/2n +3=3^4 1/2n+3=81 1/2n=78 n=36

78. ## algebra

(-5)x radicand equation 1/3x+4=-10 there is an index of 3 (-5)(1/3x+4) = 10^3 -5/3x-20=1,000 -5/3x=980 -5x=360 -x=72

79. ## Education/College

Do you believe that men and women develop in similar ways across the socioemotional domain in middle adulthood. I have read chapter 16 of my book but it is confusing me!

80. ## math

I don't understand how to estimate then find the quotient my problem is 35÷955 would it be 40÷1000

81. ## fractions/math / Help!

I need help with a couple of questions 8 3/7-2 1/2 can u show the work and what and how to write the prime factorization of 93 and 425

82. ## Algebra

Simplify 5 squared -4 over 5 + 2

83. ## phy111

A man leaves the garrage in his house and drives to a neighbouring town which is twenty kilometres away from his house on sight-seeing. He returns home to his garrage two hours after. What is his average velocity from home in km/h?

85. ## algebra

n/4=n+1/3n n(3n)=4(n+1) 3n^=4n+4 3n^-4n-4=0 3(n^-4n-4) (n-2)(n-4)

86. ## English analogy

Bell is to clapper as -Checkers is to player -Gong is to striker -Food is to caterer -Wire is to splitter -catalog is to shopper

87. ## help AGAIN

Curiosity is to explanation as sincerity is to: -Encouragement -Charisma -Apology -Investigation -Trustworthiness Sometimes I don't understand the meanings even when I search it up.

88. ## Math lol

Explain how 9 x 4 can help you find 9 x 8

-2/5+(-1/10)

90. ## english

One word for: segregation of feeling and development

91. ## algebra

1/3 +5/s-4=2 s-4/3(s-4) +5(3)/3(s-4)=2/3(s-4) s-4+15=2 s-4+15-2=0 s-4+13=0 s=9

92. ## algebra

20/x^+4x=3/x+4+1/x 2(2x+3)/2x=x(x+5)/2x 4x+6 =x^+5x x^+5x-4x-6 x^+x-6 (x+1)(x-6)