1. Socail Studies

1.What can be inferred by the passage of the Black Codes A.Many Southerners were willing to allow African-Americans equally B.Many white Southerners wanted African Americans to remain as slaves C.Many white Southerners wanted African Americans to receive

2. Social Studies

how did the supreme court decision in Worcester V.Georgia and the Indian removal act lead to the removal and resettlement of native Americans groups?

3. design

what is the design name given to a chair without back legs berlins, cesca, cantilever, *** or wassily

4. World History

Which accurately describes the rise of Napoleon Bonaparte’s power to overthrow the French government?

5. Science

A student slides down a slide at recess. After getting off the slide he goes to cross the monkey bars. As he touches the metal of the monkey bars, he gets a shock. How did the electric charge transfer from the slide to his body? a. friction *** b.

6. Math

A bag contains: 5 red marbles 6 blue marbles 3 green marbles 4 black marbles 2 yellow marbles A marble will be drawn from the bag and replaced 100 times. What is the reasonable prediction for the number of times a green or black marble will be drawn?

7. Math

NEED HELP NOW!! Which of the following ratios is equivalent to 12/15 a 4:5** B10:20 C 60 to 80 D 60/45

8. Is this correct? Algebra

9. Joe wants to fence a rectangular pen for his goats. the length of the pen should be at least 60 ft, and the distance around should be no more than 260 ft. Which system of inequalities and graph represent the possible dimensions of the pen? I want to

9. Math

Write a list of steps that are needed to find the measure of ∠B. A line segment ACD is shown with triangle ABC drawn so that AC is the base of the triangle. Angle BAC is labeled with 72 degree sign, and angle BCD is labeled with 113 degree sign.

10. Math

PQRS in which PQ=PS=5cm RS=5.5cm angle p=90 degree and angle S =120 degree

11. Science

If you swung a bucket of water quickly in an upside down circular path, the water would not fall out of the bucket. Which of the following best describes why this happens? a. Due to centripetal force, the water is pushing on the bottom of the bucket.*****

12. Science

Which of the following is not a force that would act on a skateboard rolling down a ramp? a. gravity*** b. air resistance c. rolling friction d. static friction

13. ELA

How is haiku and concrete poems alike?

14. Physics

A spacecraft is on a journey to the moon. At what point, as measured from the center of the earth, does the gravitational force exerted on the spacecraft by the earth balance that exerted by the moon? This point lies on a line between the centers of the

15. physic

A block with mass m1 hangs from a rope that is extended over an ideal pulley and attached to a second block with mass m2 that sits on a ledge. The second block is also connected to a third block with mass m3 by a second rope that hangs over a second ideal

16. Physics

A .25 kg pool ball is moving at 5.0m/s E towards a second identical ball at rest. After the collision, the first ball is seen moving at 1.0 m/s E. what is the final velocity of the second ball?

17. English

What are 4 examples of foreshadowing in Act 1, Scene 3 of Julius Caesar?

18. Math help

Can someone please help me? I've been stuck on this for two days Leo is planning a trip with his friends by renting a bus. He found that the bus costs \$75.50 for 5 people. If he is planning to go with 13 people and himself, how much money will Leo pay for

19. Science

When a ball dropped from a height it's speed continuously increased Give reason

20. Physical Science

A camcorder has a power rating of 16 watts. If the output voltage from its battery is 4 volts, what current does it use?

21. Chemistry

How can I determine the H3O+ concentration of 0.50 M HCHO2 if I don't have the Ph of the solution?

22. Chemistry

Calculate the change in enthalpy produced by dissolving 14.3 g of NaOH in 65.0 g of water if the temperature increases 49.1°C and the specific heat of water is 4.18 J/g°C Do I have to use the 14.3g of NaOH?

23. physic

A student takes the elevator up to the fourth floor to see her favorite physics instructor. She stands on the floor of the elevator, which is horizontal. Both the student and the elevator are solid objects, and they both accelerate upward at 5.15 m/s2.

24. language arts

so ive been stuck on this for a while in "in just-" what is the meaning of the words "in just-/spring"? in language arts pleaze help

25. AP Chemistry

If 25 mL of a 0.5 M NaOH solution were needed to reach the equivalence point of a 20 mL HCl solution, what was the initial analyte concentration? I am confused how to solve this problem, and also, what does "initial analyte concentration" refer to? Thanks!

26. Physical Science

If a step-up transformer has a primary coil with 40 turns, how many turns would be required in the secondary coil in order to increase the voltage from 80 volts to 160 volts?

27. art

Which most accurately explains the way bias can change how art historians evaluate artwork? When a subject is outdated, art historians see less need to research why the subject is important. When art historians prefer a certain subject, they can overlook

28. Chemistry

Write the formula for each of the following compounds: a. cesium bromide b. barium sulfate c. ammonium chloride d. chlorine monoxide e. silicon tetrachloride f. chlorine trifluoride g. beryllium oxide h. magnesium fluoride

29. Math

How do you isolate the variable in 3x=9?

30. Maths

Find the cost of carpeting a room 13m by 9m with a carpet of width 75cm at the rate of 105per metre.

31. MLA English

1. The MLA format for citing a book has four parts, beginning with the author’s name. What appears in the fourth position? A. Place of publication B. Date C. Publisher D. Medium 2. Which of the following is a true statement about an MLA Works Cited page?

32. social studies

which of the following was not a cause for civil war A-belief of states rights B-blockading southern ports C-declaration to end slavery D-firing at fort sumter

33. English

Write narrative essay about New boy

34. Physical Science

A clothes dryer uses about 2 amps of current from a 240 volt line. How much power does it use?

35. physics

A 1.49-kg particle initially at rest and at the origin of an x-y coordinate system is subjected to a time-dependent force of F(t) = (4.00ti − 8.00j) N with t in seconds. (a) At what time t will the particle's speed be 14.0 m/s? s (b) How far from the

36. Math

Jason was hired to mow a lawn that covers an area of 2 3/4 acres it took him 4 1/8 hours to complete the job what was his unit rate and hours per acre you multiply the numerator and a complex fraction by the reciprocal of the denominator to calculate our

37. Chemistry

Several compounds containing only sulfur (S) and fluorine (F) are known. Three of them have the following compositions: i. 1.188 g of F for every 1.000 g of S ii. 2.375 g of F for every 1.000 g of S iii. 3.563 g of F for every 1.000 g of S How do these

38. Math

Write a multiplication equation with one variable and one fraction that has the solution 8.

39. Math

Tina has 1/2 quart of iced tea. She pours the same amount into each of 3 glasses. Which equation represents the fraction of a quart of iced tea that is in each glass? Mark all that apply. A. 1/2 ÷ 1/3 = n B. 2 ÷ 3 = n C. 2 ÷ 1/3 = n D. 1/2 x 1/3 = n E.

40. MLA

7. When a block quotation is used in a research paper, punctuation _______ the parenthetical citation. A. is set off by a comma from B. precedes C. is omitted from D. follows 8. It's necessary to use a/an _______ when a quotation is introduced by a verb.

41. Physical Science

The law of reflection states that if the angle of incidence is 7 degrees, the angle of reflection is ___ degrees.

42. Physics

Please show each step: Tony burns a 0.6 gram peanut submerged in 50 grams of water, which increases its temperature from 22 to 50 ° C. a) Assuming an efficiency of 40%, calculate the nutritional value of the peanut. b) Demonstrate that the nutritional

43. math

A car that weighs 15,000 N is initially moving at 60 km/hr when the brakes are applied. The car is brought to a stop in 30 m. Assuming the force applied by the brakes is constant, determine the magnitude of the braking force

44. Maths

The cost of carpeting a room 15m long with a carpet of width 75cm at the rate 80 per metre is 19200.find the width of the room.

45. Geometry

10. Which of the following quadrilaterals always have diagonals that are congruent. Circle all that apply Parallelograms Rectangles Rhombi Squares Isosceles trapezoids 19. Given square ABCD: if the measure of angle ACB = (1x - 32) degrees, find the value

46. Chemistry

Name each of the following compounds: a. CrO3 c. Al2O3 e. CaBr2 b. Cr2O3 d. NaH f. ZnCl2

47. chemistry

Water: describe how its molecular structure is responsible for its ability to serve as a solvent for salts and other ionic or polar materials. Explain how you can be sure it isn't a straight molecule? Is it because hydrogens can come off a attach to other

48. Social Studies

How does the strong history of immigration in the United States influence the kind of nation we have become? Since most Americans are descendants of immigrants, why do you think discrimination against today's immigrants persists? Do you think immigration

49. Prealgebra

Please help me to solve this word problem. How do I write and equation and solve? Find three consecutive even integers such that 50 times the smallest is 88 less than 46 times the largest

50. Math

Express the following as a product containing only sines and/or cosines. sin9x−sin7x

51. math

A display case of toy rings are marked 5 for \$1. If Zach wants to buy 50 toy rings, how much will Zach spend (not including tax)?

52. Math

Elena wrote the equation 5x = 25. She wants to multiply 25 by 5 to solve it. Does this make sense? Explain why or why not, and then give the solution.

53. Math

There are 21 white cars in the parking lot. These cars represent 35% of all the cars in the parking lot. How many cars are in the parking lot?

54. Physics

Toy 1, which has a mass of 2 kg, is moving to the right at 3 m/s, and Toy 2, whose mass is unknown, is moving to the left at 3 m/s. After the two toys collide, each object's speed is 3 m/s. What could be Toy 2's mass (choose 2 answers)? A. 1 kg B. 3 kg C.

55. Math

A car moving at a constant acceleration covers a distance within two point that are 80m apart in 7s, when it's speed at the 2nd point is 15m/s . what it is speed at the first point? Also what is the acceleration?

sin3x−sinx=0

57. Math

Solve the equation 5m = 15 to find the number of miles that Lan jogged each day. Justify each step you take to solve the equation.

58. Physical Science

Please show each step: If you want to heat 100 kg of water at 20 ° C for your bath, calculate the amount of heat in water. Then demonstrate that this is equivalent to 8360 kilojoules.

59. Physics

Hammering a nail into wood makes it get hotter. Consider a 5-g long, 5-gauge steel nail and a hammer that exerts an average force of 500 N on the nail when it is introduced to a piece of wood. The nail gets warmer each time. Demonstrate that the increase

60. Science

What specific body parts have same functions as organelles?

61. physics vectors

In the sum A+B+=C, vector A has a magnitude of 11.4 m and is angled 48.4 degrees counterclockwise from the +x direction, and vector C has a magnitude of 14.8 m and is angled 16.6 degrees counterclockwise from the -x-direction. What are the A) magnitude and

62. Math

Felton Riddle: Your son Felton is a student in a class of 6 children. His classmates are Aaron, Bert, Chester, Diego, and Elmer. Aaron is better than Chester. Bert is better than exactly three others. Chester is better than at least one other student.

63. Math

It cost \$20 for a concert ticket plus an additional \$5 processing fee. Let t represent the number of tickets sold and C represent the cost. Write a function rule. Please help

64. digital arts

sculpture is an example of preforming art true false**

65. calc

y= -cot (3x-2pi/3) + 2 graph and find assymptotes

66. Calculus

How do I take the indefinite integral of (5-x)/(2x^2+x-1)? I've tried splitting it into two integrals and even completing the square on the bottom but neither of those led me anywhere. Help?

67. Maths

Lucas will be twice his brothers age in the next four years. If lucas's brother is now 6 years old, how old is lucas?

68. chem

the recommended Daily Allowance of niacin is15mg how many moles of vitaminB3 does the government recommend that you ingest every day RDA of niacin 2. given that one peanuts contains 220ug of niacin and there are 110 peanuts in a cup how many cups of

69. Language arts

Which other word most likely includes the root found in varieties? A. valid B. vanity C. various D. varsity

70. Mathematics

Helen give her brother 1/3 of her money.spend 2/5 and save \$28.00. A. How much money helen had at first. B.how much money did belen give her brother.

71. Physics

Please show each step: If you want to heat 100 kg of water at 20 ° C for your bath, calculate the amount of heat in water. Then it shows that this is equivalent to 8360 kilojoules.

72. Java Computer Science

Say I write an application that prompts the user to enter an integer. If the user enters a double or string or anything, anything not an integer an error will appear. I'm having trouble writing code to combat this problem so I can errorproof my

73. chemistry

using the kinetic theory what happens to the particles in oxygen as it cools down

74. math

Ray owns a gym and he needs equipment for a new workout class. He has two different options: • Lease equipment for \$1100 per month. • Purchase new equipment for \$24 000 which he will finance with a bank loan that charges an interest rate of 7.1%,

75. History

1919-1939 Causes and Effects of The Great Depression

76. english

what did briggs think

77. CHEM

Europium can have a 2+ or a 3+ charge. which one of the following below is not possible 1. EuSO4 2.Eu2(SO4)3 3.EuPO4 4.Eu(NO3)3 5.EuHCO3 Which of the compounds below would not have hydrogen bonding as an intermolecular attractive force 1. H-O-CH3

78. Chemistry

Calculate the speed of electrons in meters per second if their characteristic wavelength is 543 pm.

79. Help

What role do genes play in brain development in the following. I am having hard time finding information. Gene-environment correlation Gene-environment interaction Epigenetic processes

80. Chemistry

Calculate the wavelength in nm of the line with n = 6 in the Pfund series of the spectrum of atomic hydrogen.

An electron is placed in an electric field of 12 N/C to the right. What is the resulting force on the electron? I just don't see how I have enough information to solve this.

82. Physics

Please show each step: Consider a mixture of 100 grams of water at 25 ° C with 75 grams of water at 40 ° C. Calculate the final temperature of the sample.

83. Math

If there was ever a small quantity of the Universe creating a multiverse up to 30 thousand light years away, does that mean that we the people are only 14.56 x 100^23 light years away? Keep in mind that we use the original equation e=mc^2 for light years.

84. Math

Really Stumped on this one, any help would be great! Thanks! Find the exact value of cos 2x using the double angle formula. cosx=−2/13 cosx=-2/13 where π2

85. Graphing Linear Equations! Quiz! HELP ASAP

I just need many examples and tips on how you solve, find, graph, and answer linear equations. I'm so confused!

86. physics

Peter Pan is suspended in space. He throws an entire jar of pixie dust to his left. Which way does he move?

87. Chem 32

Europium can have 2+ or a 3+ charge which one of these formulas is not possible 1) EuSO4 2)Eu2(SO4)3 3)EuPO4 4)Eu(NO3)3 5) EuHCO3

88. physic

could somebody shows me how to get to the answer key. The answer key is 1290N.The x and y coordinates of a 4.30-kg particle moving in the xy plane under the influence of a net force F are given by x = t4 − 5t and y = 5t2 + 1, with x and y in meters and t

89. Physics

Find out the resultant of two forces of 4N and 7N acting at an angle of 140°

90. History

If a soccer ball is for the sport soccer, why isn't a football called a football ball if the football is also the name of the sport itself?

91. Chem 32

1)Number of moles in 2.2 grams of niacin? 2) which compound would not have a hydrogen bonding as a intermolecular attractive Force 1)H-O-CH3 2)CH3-CH2-CH2-O-CH3 3)NH3 4)H2O 5)CH3-NH2?

92. Trigonometry

In triangle XYZ, XZ=6, ZX=7, and XY=8, find (sinY+sinZ)/sinX.

93. History

Causes and effects of Industrial Revolution 1790-1914

94. History Help

Who would support democracy based on the Old Oligarch? A. The poor and the common people B. Thee high-born and wealthy C. Everyone in Athens D. The non-Greek speaking people or Barbarians What do you think the Old Oligarch means when referring to the best

95. English

What is the simple definition of theme and theme statement?

96. English

How would you connect new study material to areas that you’re already familiar with?

97. Science

the spindle fibers disappear and a new nucleus membrane forms around each set of DNA molecules is it Prophase I?

98. Chemistry

The work function for a certain metal is 3.00 eV. Calculate the speed of the electrons in m/s ejected by light of wavelength 209 nm. If it is not ejected, report a speed of 0.0.

99. Chemistry

How is a strong base similar to a weak base? What is observed when an acid dissociates in water?

100. Physics

Object 1,which has a mass of 5 kg, is thrown at 10 m/s. Object 2 has a mass of 8 kg. With what speed should the second object be thrown for it to have the same momentum as Object 1? My answer: 6.25 m/s

101. chemistry

what behavior do all salts exhibit, when dissolved in water? They dissolve in water , although there are some exceptions..... Indicators: Are indicators consumed in reactions. Example. Yes they are consumed because when Phenophalien is added it changes the

102. Maths

A litre of metal paint covers 13.5 m ,How many 1litre tins will be needed

103. Econ check my work

Consider the following data: 23 17 20 29 21 14 19 24 Develop and test a hypothesis to determine if the variance is greater than 4. Use the critical value approach and α = 0.05. So I did my work and the variance I calculated is 18.3593 which is greater

104. math

Find the projection of the line 3x – y +2z – 1 = 0, x +2y – z = 2 on the plane 3x + 2y +z = 0.

105. Math

In a class, the probability that a randomly chosen student likes dogs is 0.72, that a student likes cats is 0.54, and that a student likes neither is 0.11. Find the probability that a student likes both dogs and cats.

106. math

2(4x+3) a b ----------- ≡ (identically equal to) ------ + ------ (x-3)(x+7) x-3 x+7 (2(4x+3))/((x-3)(x+7)) ≡ a/(x-3) + b/(x+7)

107. Math

Three factories Buka, Sakono and Rama produce sugar in one hundred kilogram bags daily. Buka produces three times as much as Rama. Sakono produced two times as much as Rama. If Sakono produces 500 bags, how many tones altogether do three factories produce

108. Math

Solve: 3/2 x - = 19

109. Language Arts

Can someone please give me 4 reason how texting and face to face conversation is the same?