# Questions Asked onMay 20, 2018

1. ## Physics

A bowling ball has a mass of 7.0 kg, a moment of inertia of 2.8 × 10−2 kg⋅m2 and a radius of 0.10 m. If it rolls down the lane without slipping at a linear speed of 4.0 m/s, what is its total kinetic energy?

2. ## Chemistry

Which of the following is a correct statement about collision theory? A. All collisions lead to chemical reactions. B. Most collisions lead to chemical reactions. C. Very few reactions involve particle collisions. D. Effective collisions lead to chemical

3. ## Economics

6. The following are hypothetical exchange rates: 2 euros = 1 pound; \$1 = 2 pounds. We can conclude that A. 1 euro = \$2. B. \$1 = 4 euros.******my answer C. \$1 = .5 euros. D. 1 euro = \$.50.

4. ## Chemistry

The question is asking the molarity of vinegar, and I am not sure if i did it right. NaOH + HCH3COO = CH3COONa + H2O NaOH C= 0.70mol/L V= 14.6mL --> 0.0146L n, NaOH = CxV = 0.70 (0.0146) = 0.01022mol 1 mol NaOH = 0.01022mol NaOH -----------------

5. ## Algebra

a. Pick 9 different dog breeds and find their average weights. List each breed and weight. Find the mean, median, and mode of the data. Which measure of central tendency best describes the data? Explain your answer. please help I have no idea what I'm

6. ## Math

Paul is 20 years older than joy four years ago; the ratio of their ages was 7:3 find the present age of Paul

7. ## trig

Find the exact value of costheta if ,sintheta=-2/3 and theta is in standard position with its terminal side in Quadrant IV.

8. ## Ela

Complete the sentence with the word that has the most positive connotation. Trevor was not going to give up; he was too stubborn THIS ONE hardheaded confident rigid

9. ## math

Which rule matches the function shown in the graph? Points are: -1, 2 0, 0 2, - 2 A. y = 2x B. y = x + 3 C. y = x - 3 D. y = x/ -2 I was doing it checking each one using these rules and so -1, 2: -2, 2, -4, -0.5 0, 0: 0, 3, - 3, 0

10. ## math

game wardens use experiments to help determine the number of squirrels in a specific area. suppose 150 squirrels are caught, tagged, and released back into the wild. Six weeks later, 300 squirrels are caught with 12 found to have tags. using this

11. ## calculus

If 'a' and 'b' are unit vectors that make an angle of 60 degrees with each other, calculate l 3a - 5b l and l 8a + 3b l *the 'a' and 'b' have a carat of top of them* How do i answer this without using components?

12. ## Social Studies

How has modern technology impacted standards of living in developing nations?

13. ## vectors

If |x| = 11, |y| = 23, and |x-y| = 30, find |x+y|. Textbook answer: 20

14. ## math

please i need your help guys. A rectangular cake measuring 120 cm by 72 cm is to be divided into square pieces of the same size and the largest size possible. What will be the measure of the side of each square and how many pieces will there be?

15. ## Economics

The international agency that lends money to developing countries for economic development projects is the A. World Credit Union. B. World Bank. C. International Monetary Fund (IMF). D. World Trade Organization (WTO). my answer is B

16. ## calculus

If 'a' and 'b' are unit vectors that make an angle of 60 degrees with each other, calculate l 3a - 5b l and l 8a + 3b l the 'a' and 'b' have a carat of top of them

17. ## Physics

A car is speeding along the motorway at 40 m s when the driver observes an accident ahead. He slams on the brakes, the wheels lock immediately, and the car skids to a halt. You may assume that the car travels in a straight line whilst it is skidding and

18. ## English

1. His parents run a small restaurant. 2. His parents have a small restaurant. 3. His parents own a small restaurant. 4. His parents _______ a small restaurant. =========================== All the sentences are acceptable, right? What verb is similar to

19. ## English

1. He is going to make spaghetti aglio "e" olio this Saturday. I'm a good cook. It's a very simple rescipe! -------------------------------------- Q1: How do you pronounce 'e' in 'aglio e olio'? [e] or [i]? {Italian} And 'g' in 'aglio' is a silent sound,

20. ## English

1. Members come to the school gym on Saturdays and practice dance moves. 2. Members come to the school gym on Saturdays and practice dance movements. 3. These days she is learning hip-hop moves. 4. These days she is learning hip-hop movements. [Can we use

21. ## English

1. His family live in New York. 2. His family lives in New York. [Which one is grammatical? Do we have to use a singular verb or a plural verb?]

22. ## math

She scores 76 marks for the next test. What is the mean mark for the four tests?How to calculate?

23. ## English

1. On Saturdays, he goes around the city and takes pictures with his camera. 2. On Saturdays, he goes about city and takes pictures with his camera. 3. On Saturdays, he goes ______ the city and takes pictures with his camera.

24. ## Math

A netball team scored 60 42 48 and 46 goals in their first four matches.What is the mean number of goals for the first for matches?What score will the team need to shoot in the next match so that they maintain the same mean score. the team shoots only 39

25. ## American history

How did Andrew Jacksons supporters work to make the political system more democratic ?

26. ## math

A netball team scored 60,42,48 and 46 goals in thier first four matches. a)What is the mean number of goals for the first four matches? b)The team shoots only 39 goals in the fifth match.What is the mean number of goals scored for the fine matches? c) The

27. ## Social Study

How did the location of the Arabian Peninsula help the Muslims conquer territory beyond the Arabian Peninsula?

28. ## Trigonometry

1. Convert r= 2/1+sinθ to cartesian 2. Convert y=3 to polar 3. Convert 3x^2+3y^2-6x=0 to polar

29. ## math

1. Tammy mixes the letters S, C, H, O, O, and L thoroughly. Without looking, Allen draws one letter. Expressed as a fraction, decimal, and percentage, what is the probability that Allen will not select a consonant. 5/6, 0.833, 83.3% 2/3, 0.667, 66.7% 1/3,

30. ## math

for a school project, alice surveyed several male students in her class to determine whether there is a relationship between their heights and their weights. which scatter plot represents the data in the table below.? height: 54,56,58,61,63,65,70,71

31. ## ELA

What is the appositive phrase in this sentence? Martha, my best friend, is coming on vacation with me. my best friend THIS ONE Martha coming on vacation with me

32. ## ELA

A Surprising Point of View: A Television Play in Two Acts Characters: (in order of appearance) 1. JASON: a boy of about 14. He is a student in Ms. Smith’s English class. He regularly misbehaves in order to get attention, and he doesn’t apply himself to

33. ## Math

Submarine is traveling parallel to the surface of the water 492 feet below the surface. The submarine begins a constant I sent to the surface so that it will emerge on the surface after traveling 3974 feet from the point of its initial ascent? What

34. ## English

Wrte a narrative composition about mischief

35. ## History

By 1932, how many Americans were out of work? A. 1 in 2 B. 1 in 3 C. 1 in 4 PLEASE HELPPPP Only got 2 days of school left and i am soooooo behind someone be nice and help meeee

37. ## Language arts

Hi I need help on the walk to moons book I just need important ideas for it

38. ## ELA

How does Twain use humor to present serious ideas? What does this reveal about Twain as a person? Does Twain seem to believe that people can change for the better? In what ways do Twain’s characters represent people in general? Twain is considered one of

39. ## math

Write the equation of a line that is perpendicular to the given line and that passes through the given point. y - 4 = 5/2 (x + 3); (-7, 8)

40. ## science/math

Jane runs a track race at 7.0m/s for 40 seconds using a force of 140N. How much work has she done? (remember s=d/t)

41. ## history

what are some qualities of private interest groups that make them different from public interest groups. SELECT 2 They share the goals of the majority of the public they represent specific companies and people they have small businesses who fund them they

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42. ## Finance

Personal Finance school can you check my answers? 1. The two components of are variable costs and fixed costs. Entire cost Total cost* Complete cost Required cost 2. What is the margin of safety? How much sales can fall before a business starts making less

43. ## math

jennifer must complete any 10 of the 25 math problems on a test what percent must she complete

44. ## vectors

ABCDEF is a regular hexagon with sides of unit length. Find the magnitude and the direction of AB+AC+AD+AE+AF. The textbook answer: 6, 60 degrees to AB A full solution with steps will be greatly appreciated. Thank you :)

45. ## math

Please guys i need your help tomorrow i have a test. *How many plant should my uncle need to plant around his farm of a circular shape of a radius 140 m, If the distance between plants is 50cm?

46. ## math

please people i need your help. *Equal squares as large as possible are drawn on a rectangular board measuring 50 cm by 70 cm. Find the size of the square.