# Questions Asked onDecember 19, 2015

1. ## math

The weight of a container completely filled with water is 2.25 kg. The container weighs 0.77 kg when it's 0.2 part is filled with water. Find the weight(in kg) of the container when0.4 part of it is filled with water? Pls help

2. ## Physical Education

Tennis is probably the most popular sport played with a racquet. Which of the following lesser known sports is played with a racquet as well? a. Lacrosse b. Polo c. Badminton*** d. Croquet

3. ## Physics

A gram molecule of a gas at 127°C expands isothermally until its volume is doubled. Find the amount of work done and heat absorbed.

4. ## MATH HELP

Maggie and her friends are each able to recruit a certain number of people each year to sample a product. The number of people per year is represented by the function f(t) = 3(2)t. What does the t represent? How many people were recruited in year 6? t

5. ## Math

2.The price of products may increase due to inflation and decrease due to depreciation. Derek is studying the change in the price of two products, A and B, over time. The price f(x), in dollars, of product A after x years is represented by the function

6. ## Math

The layer of gold coating on a ring should be 0.03 millimeters thick when the ring is completed. A coating of 0.021 millimeters has already been applied. How many more millimeters of gold coating must be added to finish the ring? A. 0.18 millimeters B.

7. ## Math

A railway engine starts shunting wagons by first going 1000 m north of railway station. It reverses and travels 1250 m south and then it again moves 600 m north. Finally moving 800 m south it comes to rest. How far is the engine from the station and in

8. ## Math

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y > 3x + 10 y is less than negative 3 over 4 times x minus 1 Part A: Describe the graph of the system, including shading and the types

9. ## cda

A list of three or more websites, and brief descriptions of each, that provide current information to help families understand how young children development and learn. Include one current article for each website.Web sites must contain articles that help

10. ## Math

Rick works two jobs to pay for college. He tutors for \$20 per hour and also works as a bag boy for \$7 per hour. Due to his class and study schedule, Rick is only able to work up to 25 hours per week but must earn at least \$200 per week. If t represents the

11. ## kvno.1

if alpha ,beta are the zeroes of a polynomial,such that alpha+beta=6 and alpha into beta=4 ,then write the polynomial.

12. ## Literature / Language Arts

Think about the work you completed in your reading character role. Determine the ideas that would be most worthy to share in a literary discussion about Johnny Tremain. Provide an explanation for your choices. How did the role you selected and the work you

13. ## math

10 years ago simrans mother was 4 times older than her daughter . after 10 years the mother will be twice oder than her daughter . find present age of simran

14. ## Physical Education

Which of the following types of physical conditioning may be most important to a tennis player? a. Muscular strength b. Aerobic endurance c. Flexibility d. All of the above***

15. ## Physical Education

____________ occurs when a server hits two faults in a row. double fault***

16. ## science help PLS

What is the relationship between atmospheric pressure and the density of gas particles in an area of decreasing pressure? As air pressure in an area decreases, the density of the gas particles in that area decreases. As air pressure in an area decreases,

17. ## Math

If x+ay=b, then y equals

18. ## Math

What is the difference between 126 1/4 and 78 2/3? A. 57 7/12 B. 48 1/3 C. 47 7/12 D. 58 5/12 I think it's C , but i really don't understand fractions, if i'm wrong could you possibly elaborate what i did wrong and how to fix it

19. ## Math

Which one of the following is an example of a repeating decimal? A. 0.6666666(W/ repeating sign) B. 1.234545 C. 0.123321 D. 6.787878(W/ repeating sign) I think its A but D is also repeating. If I'm wrong please elaborate

20. ## Math

1.A scientist is studying the growth of a particular species of plant. He writes the following equation to show the height of the plant f(n), in cm, after n days: f(n) = 12(1.03)n Part A: When the scientist concluded his study, the height of the plant was

21. ## Physical Education

Which of the following swings is generally weaker? a. Serve b. Backhand*** c. Forehand d. Ground stroke

22. ## Math

What is the product of 3 2/3 and 14 2/5? A. 54 B. 52 4/5 C. 42 4/5 D. 52 4/15 I did the math and got 42 4/15 what did i do wrong? If i had to guess id say its c or d ):

23. ## Math

1.2 kilos of apples cost \$3 How much do 2.5 kilos of apples cost ?

24. ## math

Annual value of property is \$12300. Find the property tax payable for a period of 8 months at a rate of 16%?

25. ## Math

1.A scientist is studying the growth of a particular species of plant. He writes the following equation to show the height of the plant f(n), in cm, after n days: f(n) = 12(1.03)n Part A: When the scientist concluded his study, the height of the plant was

26. ## Math

May is swimming steadily in a pool. She completes 5 laps in 4 minutes. Joy is also swimming in the same direction and she swims 4 laps in 5 minutes. At 10 AM Joy just head of May. At 10:15 AM, how many times will May pass Joy?

27. ## Chemistry

An organic compound on analysis gives the following percentage composition of elements present. Carbon 61.85%,hydrogen 10.50% and oxygen 27.65%.determine the empirical formula of the compound.(C=12,H=1,O=16)

28. ## Chemistry

Analysis of a sample of an organic compound showed it contains 39.9%carbon,6.9%hydrogen and 53.2%oxygen. a)calculate the empirical formula b)if the relative molecular mass is 60,what is the molecular formula of the compound.(C=12,H=1,O=16)

29. ## English

1. He was surprised she came at all. 2. He was surprised that she came at all. 3. He was surprised because she came at all. 4. He was surprised when she came at all. 5. He was surprised she came after all. ======================= Q1: Does #1 mean #2? Are

30. ## sentence skills

how coud you combine the folloing two sentences into one compound sentence? the rabbit jumped into the bushes.the dog followed it.

31. ## MATH HELP !!!!!

There are 180 days of school; 40 weeks. You have a six day cycle in your schedule. You have health twice a cycle (2 days out of 6 days in the six day cycle). How many classes of health?

32. ## Physical Education

Which of the following is NOT a popular surface for tennis courts? a. Wood*** b. Grass c. Clay d. Hard Court

33. ## Physical Education

What is a player assigned when he/she serves a ball outside the service box? a. Point b. Stroke c. Hazzard d. Fault***

34. ## Physical Education

If a player serves two faults in a row, he or she will _____________. a. Lose the serve b. Lose a point*** c. Serve again d. Lose two points

35. ## Physical Education

What tennis swing is used when a player needs to hit a ball on the opposite side of the racquet hand? a. Ground stroke b. Serve c. Forehand d. Backhand***

36. ## Physical Education

Which of the following is NOT a typical tennis competition? a. Singles b. Doubles c. Triples*** d. Mixed doubles

37. ## Physical Education

The ____________ is used to start each volley.

38. ## math

What doea,the c mean when the math problem is 8c = how many pints? I tried 1 2 4 and 16 but don't know what to look for.

39. ## Maths

Find the values of p and q wich make x^4+6x^3+13x^2+bx+c a perfect square

40. ## Math

Using the distance function s(t) = t2 + 4t + 30, "s" is in feet and "t" is in seconds, find the velocity function, v(t), and acceleration function, a(t).

41. ## Maths

If x^3+3ax^2+bx+c is a perfect cube .prove that b^3=27c^2

42. ## math

I kind of owe someone a favor :P and I have no idea A candle burns down at the rate of 0.5 inches per hour. The original height of the candle was 9 inches. Part A: Write a list of 6 ordered pairs to show the height of the candle in inches (y) as a function

43. ## math

Randy’s car can drive 5 miles in 2 minutes. How many miles can he drive in 60 minutes?

44. ## calculus

Find a cubic polynomial such as f(x)=ax^3+bx^2+cx+d that has horizontal tangents at the points (-5,4) and (4,-4)

45. ## History

sequence of events of Earth's history for the Mesozoic and Cenozoic eras. I know That the Cenozoic era was first but I cant find anything on google its not working its saying page has been dispaneded :(

46. ## physics

Two carts with masses of 13.2 kg and 3.0 kg move in opposite directions on a frictionless horizontal track with speeds of 6.8 m/s and 3.5 m/s, respectively. The carts stick together after colliding head-on. Find their final speed. Answer in units of m/s.

47. ## physics

If a 696 N man holds the rifle firmly against his shoulder, find the recoil speed of man and rifle. Answer in units of m/s.

48. ## physics

A 24.9 g marble sliding to the right at 22.0 cm/s overtakes and collides elastically with a 13.2 g marble moving in the same direction at 11.8 cm/s. After the collision, the 13.2 g marble moves to the right at 25.0 cm/s. Find the velocity of the 24.9 g

49. ## physics

A 13 g toy car moving to the right at 22 cm/s has a head-on nearly elastic collision with a 22 g toy car moving in the opposite direction at 30 cm/s. After colliding, the 13 g car moves with a velocity of 43 cm/s to the left. Find the speed of the second

50. ## physics

High-speed stroboscopic photographs show that the head of a 192 g golf club is traveling at 44.4 m/s just before it strikes a 45.9 g golf ball at rest on a tee. After the collision, the club head travels (in the same direction) at 28.7 m/s. Find the speed

51. ## English

1. i didn't eat applea or pears. 2. i didn't eat applea and pears. ================ #1 mean "I didn't eat apples. I didn't eat eat pears, either." Am I right? Then, what about #2? What does #2 mean in the following three sentences? Or would you paraphrase

52. ## math

The weight of a container completely filled with water is 2.25 kg. The container weighs 0.77 kg when it's 0.2 part is filled with water. Find the weight(in kg) of the container when0.4 part of it is filled with water? ABCD is cyclic quadrilateral, AB is

53. ## oc

1 what the importance of public sector ? 2 what is the private sector importance ? 3 conclusion the public sector ? 4 conclusion the private sector ?

54. ## Trigonomentry plz help

tanA=ntanB sinA=msinB find cos^2A in terms of 'm' and 'n' plz help

55. ## S.M.JR College

A particle undergoes s.h.m having time period T. The time taken by it to complete 3 / 8th, oscillation starting from mean position

56. ## Math

Part C: How can you solve the equation 8x = 2x + 2 graphically?

57. ## Math

3.Belinda wants to invest \$1000. The table below shows the value of her investment under two different options for three different years: Number of years 1 2 3 Option 1 (amount in dollars) 1100 1210 1331 Option 2 (amount in dollars) 1100 1200 1300 Part A:

58. ## English

1. She was drying her hair with the hair drier. 2. Dry your body with this big towel. 3. After bath, you need to keep your body dry not to catch a cold. 4. Study hard, and you will get high scores. 5.Practice ping-pong hard, or you will lose the game. 6.

59. ## Math

Prove that if the diffrence between the root of the equation ax^2+bx+c=0 is 1, then a=b^2-a^2/4c

60. ## Maths

Find the values of m and n such that x^4+6x^3+13x^2+mx+n , is a perfect square

61. ## Math

If one root of the equation x^2-px+q=0 is the square of the other, show that p^3-q(3p+1)-q^2=0. Provided q is not equal to 1

62. ## English

Posted by rfvv on Saturday, December 19, 2015 at 12:10am. 1. I didn't eat apples or pears. 2. I didn't eat apples and pears. ================ #1 mean "I didn't eat apples. I didn't eat eat pears, either." Am I right? Then, what about #2? What does #2 mean

63. ## math

im ateacher math ( arabian) want to learn amerecan math

64. ## Physics for

A force has the dependence Fx(x) = -kx^4 on the displacement x, where the constant k = 20.3 N/m^4. How much work does it take to change the displacement, working against the force, from 0.730 m to 1.35 m?

65. ## Maths

The first three terms of GP are x+1,(x^2-1) and (x^2-1)(2x-4).Calculate the value of x. Suggested solution;ar^2/ar,so r=2x-4 and a=x+1. Substitute in second term(ar)=(x^2-1). Factorise, so x=3

66. ## English

What is the adverbial in the following sentence: Dionne collected shells from the beach

67. ## Mathematics

2 Digit Numbers Of Whic Their Sum Is 4.If The Digit Number Is Interchanged Their Difference Is 18.What Is The Digit Number

68. ## Math

The length of the rectangle is 5 cm longer than its width. If the perimeter is 46 cm, what is the area?