# Questions Asked onOctober 13, 2018

1. ## Social Studies

How did the Silla turn Korea into an economic and cultural center? A. by giving greater independence to the aristocracy B. by establishing trade networks between Japan, China, and India C. by freeing Korea from the influence of the Tang dynasty D. by

2. ## Social studies

1. Why did Olmec farmers move their farms from time to time? A. As their families grew, people needed larger farms. B. Maya invaders took over their farmlands. C. Heavy rains flooded their fields and forced them to find new land.----------------- D. The

3. ## physics

A single mass (m1 = 3.1 kg) hangs from a spring in a motionless elevator. The spring constant is k = 338 N/m. 1. What is the distance the spring is stretched from its unstretched length? 2. Now, three masses (m1 = 3.1 kg, m2 = 9.3 kg and m3 = 6.2) hang

4. ## chemistry

How many grams of O2(g) are needed to completely burn 34.1 g of C3H8(g)?

5. ## chemistry

How many grams of sodium iodide, NaI, must be used to produce 88.1 g of iodine, I2

6. ## Statistics

A box contains twelve candies, five reds, four greens, and three blues. You select one piece at random, then replace it, then you select another. If P(BG) is the probability of selecting a blue first and a green second, find the following probabilities. a.

7. ## Physics

A STONE WHIRED AT THE END OF A ROPE 30CM LONG, MAKE 10 COMPLETE REVOLUTION IN 2 SECONDS. FIND A. AUGULAR VELOCITY IN RADIANS PER SECOND B.THE LINEAR SPEED C.THE DISTANCE IN 5 SECONDS

8. ## physics

A ski jump's velocity can be calculated (assume no friction). The tower is 60.0m high and the skier is at the bottom, who will leave the jump under a 21 degree angleto the horizontal, and land 33m below the starting point. The skier has the exact same

9. ## physics

What is the distance the lower spring is extended from its unstretched length? three masses (m1 = 3.1 kg, m2 = 9.3 kg and m3 = 6.2) hang from three identical springs in a motionless elevator. The springs all have the same spring constant given above. Now

10. ## Algebra

Given the following vector X, find a non-zero square matrix A such that AX=0: You can resize a matrix (when appropriate) by clicking and dragging the bottom-right corner of the matrix. X= 2 -8 6 A= _ _ _ _ _ _ _ _ _ Please help, I do not understand this..

11. ## physics

A single mass (m1 = 3.1 kg) hangs from a spring in a motionless elevator. The spring constant is k = 338 N/m. What is the distance the spring is stretched from its unstretched length? If I were to use the equation f=-kx what would that look like? or is

12. ## Math : Statistics

A box contains seven candies, four of which are green, and three of which are blue. You select one piece at random, then without replacing the first one, you select another. If P(BG) is the probability of selecting a blue first and a green second, find the

13. ## Math

Name the property: 3x+5x (3+5)x transitive property of congruence symmetric property of congruence reflexive property of equality symmetric property of equality addition property of equality division property of equality substitution property transitive

14. ## Social Studies

Evaluate which of the following most allowed religious freedom and French laws in Canada's history? A: Quebec Act B: Religious Freedom Act

15. ## Chemistry

Which of the following statements are true? 1) All the gas molecules in a sample cannot have the same kinetic energy. 2) The temperature of a gas sample is independent of the average kinetic energy. 3) There are gas molecules that move faster than the

16. ## Chemistry

11 mL of 0.0100 M HCl are added to 25 mL of 0.0100 M acetic acid. What is the pH of the resulting solution?

17. ## math

Sinea wants to spend money using the same ratios as on her last trip to the carnival. If she spends \$28 on games, how much will she spend on souvenirs? Snacks Games Souvenirs Sine \$5 \$8 \$18

18. ## History

How does not doing mercantilism help benefit the ruling country? This is to help me on a essay I canâ€™t find anything on how not doing mercantilism. Thank you

19. ## Statistics

A bag contains 5 blue candies and 6 green candies. You randomly pick a piece of candy from the bag, observe the color, then put it back in the bag. You repeat this process 5 times. Find the following probabilities (rounded to the nearest thousandths): a.)

20. ## History

How does expanding one's space relate to the concept of Manifest Destiny? How about the opening lines from "America the Beautiful"?

21. ## history

What is a quasi-martial law? I looked this up on google but there's no direct answer to it.

22. ## history

What did the end of the Reconstruction mean for southern leaders? They began to regain power?

23. ## physics

Now, three masses (m1 = 3.1 kg, m2 = 9.3 kg and m3 = 6.2) hang from three identical springs in a motionless elevator. The springs all have the same spring constant given above. x = 9cm What is the magnitude of the force the bottom spring exerts on the

24. ## Statistics

You draw a card from a deck of 52 cards twice, each time replacing the card. Find the following probabilities (rounded to the nearest thousandths) of observing: a.) exactly 1 black card. P(1 black card)= b.) exactly 1 club. P(1 club)= c.) exactly 1 two.

25. ## math

A rectangular garden has dimensions 3m by 4m. A path is built around the garden. The area of the garden and path is 6 times as a great as the area of the garden. What is the width of the path?

26. ## math

in figure AB = 11 cm, BC = 8cm, AD = 3 cm, AC 5cm and A DAC is a right angle. the area of the quadrilateral ABCD

27. ## Maths

The 28 term of an ap is -5, find the common difference if its 1st term is 31

28. ## chemistry

120g of sodium hydroxide pellets dissolve in 800cm3 of its solution. Determine the mass concentration of the solution

29. ## Statistics

A coin is tossed 8 times. The probability of getting a head on any one toss is 0.5. To the nearest thousandth, find the probability of getting 4 heads.

30. ## Statistics

A box contains twelve candies, five reds, four greens, and three blues. You select one piece at random, then replace it, then you select another. If P(BG) is the probability of selecting a blue first and a green second, find the following probabilities. a.

31. ## Physics

The average life time of an electron in an excited state of hydrogen is 10-10 sec. How many revolutions does this electron make in the n = 2 state before dropping back to the ground state? I have worked this exercise using classic physics but my answer is

27 and 12

33. ## math

write a translation rule= what is this

34. ## English

An Essasy If I Had Given The Opportunities I Will Have Done Better

35. ## History

What or who did Americans feel gave them the right to expand westward?

36. ## calculus

What is the weight density of water?

37. ## history

The ____________ was meant to protect the lands of Native Americans, and was viewed by American colonists as arbitrarily limiting their ability to move west. Declaration of Independence Sugar Act Proclamation of 1763 Townshend Acts sugar act?

38. ## Chemistry

What is an example of an everyday endothermic reaction in which bonds are broken?

39. ## Math

One spinner has two sections. They are marked A and B . Another spinner has four sections. They are marked 1 , 2 , 3 , and 4 .

40. ## Science

Why does a balloon burst if you keep on blowing blowing?