# Questions Asked onAugust 30, 2018

1. ## Science

which of the following is a valid reason why a scientist might reject a scientific theory A: some people disagree with it B: it covers to board a topic C: new evidence contains it D: it is too old

2. ## social studies

1: Which term refers to the type of buying and selling that takes place within a country? A. free trade B. international trade C. productivity D. domestic trade 2: Why do countries trade goods and services? A. because they want to reduce interdependence B.

3. ## math

How can you use an equation to make a prediction from a pattern?

4. ## physics

A student places her 500 g physics book on a frictionless table. She pushes the book against a spring, compressing the spring by 4.0 cm, then releases the book. What is the book’s speed as it slides away? The spring constant is 1250 N/m. 1

5. ## Science

if abby wants to tell her friend to meet her somewhere, what theme of geography would she need to know?

6. ## Social Studies

How are equal-area projections of Earth inaccurate? A. There are distortions near the center of the map. B. Directions and the shapes of the landmasses are distorted. C. This projection does not show true sizes. D. Areas close to the poles are

7. ## Social Studies

There are eight features that civilizations all have in common. Pretend there is a public works project to be done, such as a road to be built or wall to protect the city. How might four other features of civilization be involved in this public works

8. ## Algebra

If the price of an item increases from p1 to p2 over a period of n years, the annual rate of inflation can be modeled by i = (p2/p1)^1/n -1 In 1945, the average value of a home was \$3000. In 2012 the average value was \$200,000. What was the rate of

9. ## S.S

What was the name of the illegal land deal in which Georgia legislators accepted bribes from land companies in exchange for the right to purchase millions of acres of Georgia territory? A.the Georgia Land Grab B.the Trail of Tears* C.the Yazoo land fraud

10. ## Social studies

Which statement best describes the relationship between the Tudor and parliament

11. ## Math

If Gasp cigarettes have 5 mG tar and 0.4 mG nicotine per cigarette and there are 20 cigarettes per pack, how many packs of cigarettes would have to be smoked to coat your lungs with 8 oz of tar? How many packs would you have to smoke to coat you lungs with

12. ## physical education

the way in which your emotions affect your physical overall health is part of ?

13. ## texas history

How does sequencing events on a timeline help historians? It allows them to consider events with specific dates. It helps them consider events outside of their time periods. ***It helps them understand the places where events occurred.

14. ## chemistry

1. the diameter of a carbon atom is 0.000 000 000 000 154 m. what is the number expressed in the scientific notation? a) 1.54x10^12m b) 1.54x10^-12m c) 1.54x10^10 d) 1.54x10^-10 2. what is the result of multiplying 2.5x10^10 by 3.5x10^-7 a) 8.75x10^-3 b)

15. ## physics

A 44-kg girl stands on a 7-kg wagon holding two 15.0-kg weights. She throws the weights horizontally off the back of the wagon at a speed of 9.5 m/s relative to herself. Assuming that the wagon was at rest initially, what is the speed of the girl after she

16. ## Math

You are making balloon arrangements for a birthday party. There are 16 white balloons and 24 red balloons. Each arrangement must be identical. What is the greatest number of arrangements you can make using every balloon?

17. ## math

the charge for telephone call ,t,partly constant and partly varies with the number n of call. the bill for 420 units of call is 806,while the bill for 200units is 410 A)calculate the charge for 460 unit of electricity B)find a formula for T

18. ## science

A car has a kinetic energy of 1.9 × 103 joules. If the velocity of the car is decreased by half, what is its kinetic energy?

19. ## physics

A brick mason is on a steep roof repairing a chimney and drops a brick. If the brick slides down the roof and leaves the edge of the roof with the velocity v = (1.00 m/s)î − [(6.00 m/s) + (9.80 m/s2)t]ĵ, determine the displacement of the brick from the

20. ## economic

give the demand curve of the monopolist Q=30-.3p and function:C=2Q²+20Q+10,find the profit maximizing level of output & price

21. ## Geography (7th)

Drag the word to the description it matches. What is the difference between climate and weather? day-to-day conditions, long-term conditions, average rainfall, current rainfall, annual snowfall, today's snowfall. Climate Day to Day Conditions, Long Term

22. ## social studies

Which term refers to the type of buying and selling that takes place within a country a free trade b international trade c productivity d domestic trade

23. ## life orientation

how the fraud and corruption affected the offenders career

24. ## Math

Which fraction equals a repeating decimal? a) 5/80 b) 11/88 c) 17/85 d) 18/81

25. ## Life orientation

Define inhumane farming methods

26. ## Physics

A car slows down uniformly from a speed of 29.0 m/s to rest in 8.00s. How far does it travel in that time. - - I know that the equation is X = X0 + V0(t) + .5(at^2) I cant remeber where to put what numbers though. Thanks for the help!

27. ## Algebra

A driver averaged 60 miles per hour on a road trip from Santa Cruz to Los Angeles which is nearly 300 miles away. The average speed for going was x and the average speed for returning was y. (Hint: a 600 mile trip averaging 60 miles per hour means 10 total

28. ## social studies

which factors affect the price of a smartphone app

Determine the sign of your answer then find the sum or difference. (-10)+1 A.-9 B.-11 C.9 D.11

30. ## Algebra

5. What property is being shown? 5+(6+3)=(5+6)+3

31. ## physics

Niagara Falls are 50m high. Calculate the potential energy of 5kg of water at the top,relative to the bottom. What is the kinetic energy of this water just before it reaches the bottom, and what happens to the bottom, and what to the energy after the

32. ## maths

Rebecca need 10 1/2 yard to make a quilt of fabric that is 2 1/2 yards and another piece of fabric that is 4 1/4 yard how many more yard of fabric does Rebecca need to make the quilt

33. ## physics

An archer fires an arrow, which produces a muffled "thwok" sound after it hits a target. The archer hears the "thwok" exactly 3.0 s after firing the arrow and the average speed of the arrow is 32 m/s. Find the distance sepa­rating the archer and the

34. ## S.S

Which of the following was an event leading to the removal of Creeks and Cherokees in Georgia? (Choose all that apply.) A.the Treaty of Washington B.the Treaty of Ghent C.the Treaty of New Echota D.the addition of Florida as a U.S. territory* I think it is

35. ## Algebra

A woman has a total of \$7,000 to invest. She invests part of the money in an account that pays 7% per year and the rest in an account that pays 12% per year. If the interest earned in the first year is \$640, how much did she invest in each account?

36. ## Math

A piece of ribbon 25m long is cut into pieces of equal length.Is it possible to get a piece with irrational length?Explain.

37. ## english

identify the climax a boy sees a snake lying still in the road. he bends close to look at it. suddenly, the snake moves. the boy jumps back.

38. ## Math

0 Seventy minus the product of 8 and a number is 86. Write the verbal sentence as an equation. Then solve the equation

39. ## Math

The shot used in men’s shot put has a volume of about 905 cubic centimeters. With V = (4/3) pi r^3 i need help to find the radius of the shot with the formula. is the shape supposed to be a cylinder ?

40. ## physics

Two 21.0 kg ice sleds are placed a short distance apart, one directly behind the other, as shown in the figure. A 3.42 kg cat, initially standing on sled 1, jumps across to sled 2 and then jumps back to sled 1. Both jumps are made at a horizontal speed of

41. ## physics

A radioactive nucleus of uranium-235 (mU = 235 u) decays spontaneously to thorium-231 by emitting an alpha particle (nucleus of a helium atom, symbolised α). The α particle (mα = 4.00 u) has kinetic energy 4.60 MeV. What is the kinetic energy of the

42. ## physics

An aircraft uses a rocket-assisted takeoff unit (RATO) that is capable of discharging 49.0 kg of gas in 15.0 s with an exhaust velocity of 1300 m/s. The 3000 kg aircraft, on an ordinary takeoff without RATO, requires a distance of 440 m to reach a lift-off

43. ## Algebra

You playing a board game. All even numbers are positive, and all odd numbers are negative.a positive number indicates forward movement and a negative number indicates backward movement. During your last 10 turns you have gone back 90 spaces.if you spun the

44. ## Algebra

3ab^2 3a^2 b -------------- * ------------- 4ab 4a

45. ## Science

A scientist hypothesis must be A: correct B: able to be manipulated C: able to be controlled D: able to be tested

46. ## physics

Two blocks with masses m1 = 1.4 kg and m2 = 3.6 kg are at rest on a frictionless surface with a compressed spring between them. The spring is initially compressed by 60.0 cm and has negligible mass. When both blocks are released simultaneously and the

47. ## physics

n aircraft uses a rocket-assisted takeoff unit (RATO) that is capable of discharging 49.0 kg of gas in 15.0 s with an exhaust velocity of 1300 m/s. The 3000 kg aircraft, on an ordinary takeoff without RATO, requires a distance of 440 m to reach a lift-off

48. ## Math

The Mega Middle School cafeteria has small square tables that seat one person on each side. How many of these tables must be pushed together to make one long table that seats 18 people?

49. ## Math

Consider the monomials 15x^2, y^2, and 6x^3 a. Factor the monomials. b. What factors of these monomials are common factors? c. Find the greatest common factor of 15x^2, y^2, and 6x^3

50. ## Math

A mechanic's ruler uses decimal parts of an inch instead of fractions. The ruler reads decimals to the ten-thousandths place. What decimal would the mechanic look for on the ruler to see if a part was 3/8 inch in diameter?

51. ## American Government

What was the significance of the Magna Carta?

52. ## physics

A bullet of mass m = 0.025 kg is fired with a speed of vi = 94.00 m/s and hits a block of mass M = 2.10 kg supported by two massless strings. The bullet emerges from the right side of the block with a speed of vf = 47.00 m/s. Find the height to which the

53. ## Math

3ab^2/4ab , 3a^2 b /4a can someone write these in simplest form?

54. ## Algebra

Identify the pattern and find the next number in the pattern -48,-24,-12,-6 answers are -3, 0, 2, 3

55. ## Physics

Two force meters connected to each other and one end of them is fixed to the wall. The free end of them is pulled horizontally with a force of 10 N. What is the magnitude of the force on each meter? A. The pulled one show 0 N the other 10 N. B. Both read 5

56. ## physics

wo blocks with masses m1 = 1.4 kg and m2 = 3.6 kg are at rest on a frictionless surface with a compressed spring between them. The spring is initially compressed by 60.0 cm and has negligible mass. When both blocks are released simultaneously and the

57. ## physics

A 22.0-kg body is moving in the direction of the positive x axis with a speed of 359 m/s when, owing to an internal explosion, it breaks into three pieces. One part, whose mass is 6.5 kg, moves away from the point of explosion with a speed of 387 m/s along

58. ## Math

Write an expression to represent 4 more than the product of 3 and a number X

59. ## Geometry

A circle has a centre at (3,5). The point (3,8) is on the circle. What is the circumference of the circle to the nearest tenth?

60. ## chemistry

1. the diameter of a carbon atom is 0.000 000 000 000 154 m. what is the number expressed in the scientific notation? a) 1.54x10^12m b) 1.54x10^-12m c) 1.54x10^10 d) 1.54x10^-10 2. what is the result of multiplying 2.5x10^10 by 3.5x10^-7 a) 8.75x10^-3 b)

61. ## chemistry

Calculate the amount of hydrogen atoms in 0.75 mol of water molecules

62. ## Human Anatomy

Which ones are odd numbered organs in the human excretory system? A. Bladder and urethra B. Ureter, bladder and urethra C. Only the urethra D. Bladder and ureter E. Ureter and urethra

63. ## math

A set M=(1,2,......100) is divided into seven subsets with no number in 2 or more subsets. Show that at least one subset either contains four numbers a,b,c, and d such that a+b = c+d or three number p,q and r such that p+q=2r

64. ## Biology

Which one of the following processes requires free forms of thymine containing nucleotides? A. DNA replication B. RNA synthesis C. Protein synthesis D. Starch synthesis E. Cellulose synthesis

65. ## chemistry

n order to determine the concentration of bivalent nickel in environmental samples we can use the complexometric titration. A 100 mL sample containing Ni2 + was treated with 50 mL of 0.02 mol / L EDTA solution complexing all Ni2 + solution and leaving an

66. ## Geometry

A circle has a centre at (3,5). The point (3,8) is on the circle. What is the circumference of the circle to the nearest tenth?

67. ## algebra

A woman owns a small, cash-only business in a state that requires her to charge 7% sales tax on each item she sells. At the beginning of the day, she has \$210 in the cash register. At the end of the day, she has \$1,173.00 in the register. How much money

68. ## physics

wo blocks with masses m1 = 1.4 kg and m2 = 3.6 kg are at rest on a frictionless surface with a compressed spring between them. The spring is initially compressed by 60.0 cm and has negligible mass. When both blocks are released simultaneously and the

69. ## Calc

As I solve this problem, it is undefined. Can you explain how you get 3 or 0. One of this is the answer but I'm not sure. lim as y approaches 0 6x^2 (cot y) (csc2y): A. 3 B. 0

70. ## science

what does H2O stand for?

71. ## Math

what rational expression will fit each of the descriptions? a. Contains 2 vertical asymptotes. b. Contains a Horizontal asymptote of 3. c. Contains no vertical asymptotes but has a hole at x=2. d. Contains a horizontal asymptote of 1, vertical asymptotes

72. ## Math

What is the sum of the first 16 terms of the AS 11,15,15,33...? Find the last term of the general term and S16. A. An B. General term C. S16

73. ## life orientation

what are the factors in which harmful substances could contaminate food

74. ## chemistry

the mass of anhydrous copper two sulfate is 7.9g. if one mole weighs 159.5g, how many moles of the compound are present?

75. ## chemistry

Acids that react with metals and examples

76. ## chemistry

Acids that react with metals and examples

77. ## Human Anatomy

Which one is the anatomical blind spot? A. It is an area for acuity vision. B. It is an area where rods are located. C. It is an area where cones are located. D. It is an area where blood vessels and the optic nerve pierces the retina. E. It is the

80. ## chemistry

Acids that react with metals and examples

81. ## Math

The education of a curve is given as y = 2x^3 -9/2 x^2 -15x + 3. Find the value of y when x = 2

82. ## Math

A construction company employs technicians and artisans. One a certain day 4 technicians and artisans were hired and paid a total of sh 9000. On another day the firm hired 4 technicians and 1 artisans and paid a total of sh 9500. Calculate the cost of

83. ## Algebra

what is two ways to simplify the two problems? problem 1: (-4m^2 n^2)^3 * (2m^3 n)^-1 solution 1: -(32n^5/m^9) Solution 2: ? problem 2: (x^-(1/2) y^3)^-2/ xy^(1/3) * x^2 y^-4 solution 1: 1/x^2y^(7/2) solution 2: ?

85. ## Algebra

5. What property is being shown? 5+(6+3)=(5+6)+3

86. ## chemistry

Acids that react with metals and examples

87. ## Math

Decide whether the numbers are relatively prime. If not, find the greatest common factor. 19, 299

88. ## Math

(-1.15) • 3.5 need help how I got it

√√2-1/√2+1

90. ## math

A set M=(1,2,......100) is divided into seven subsets with no number in 2 or more subsets. Show that at least one subset either contains four numbers a,b,c, and d such that a+b = c+d or three number p,q and r such that p+q=2r

91. ## english

where in julius Caesar does brutus say he joined the conspiracy for rome?