1. Social Studies

How did Americans disagree over the role of federal and state governments before and during the Civil War? The North wanted the federal government to govern the entire country. The South wanted the states to have much more power. Anything else I could add

2. Social Studies

1. Why do businesses seek a equilibrium price? A)It ensures that competitors cannot offer lower prices B)It attracts the largest possible number of consumers to the business C)It provides the highest possible prices that consumers will pay for each product

3. Math

Two complementary angles have measures of s and t. If t is less than twice s, which system of linear equations can be used to determine the measure of each angle?

4. Language Arts

In the outline, what are letters (A, B, C, etc.) used to show? A) The Main Topic Of The Presentation. B) Subtopics of The Presentation. C) Details and facts related to the subtopics. D) Sources for citations used in the presentation.

5. MAth

the perimetre of rectangle is 240cm .if length is increased by 10% and breadth is decreased by 20% the perimetre remains same. find the length

6. Social studies

How did the Gulf of Tonkin Resolution affect the course of the Vietnam war? A. It was a major political victory for the Vietcong. B. It convinced Americans that the domino theory was correct. C. It caused Americans to take an active role in the fighting.

7. Algebra

Astronomers measure large distances in light-years. One light-year is the distance that light can travel in one year, or approximately 5.88 *10^12 miles. Suppose a star is 3.2 * 10^2 light-years from Earth. In scientific notation, approximately how many

8. Math

The box-and-whisker plot below shows the numbers of text messages received in one day by students in the seventh and eighth grades at Lincoln Middle School. Two box and whisker plots are shown above a number line. The number line is scaled from 2 to 38 by

9. english

What element should readers consider when exploring how different literary genres approach the same subject? a. the ease of difficulty with which the subject can be analyzed b. the authors’ personal feelings about the genres they select c. the use of a

10. english

Which wars did John Steinbeck's "Symptoms" and Tim O'Brien's "Ambush" discuss? Does anyone know where I can find these essays so I can answer this question?

11. math

The quadrilateral ABCD has area of 58 in2 and diagonal AC = 14.5 in. Find the length of diagonal BD if AC ⊥ BD.

12. Astronomy

Please check my answers 1. What size are most exosolar planets that have been detected? A. Small like the moon B. Same size as earth C. More massive than Jupiter D. More massive than the sun 2. Which NASA space mission, launched in 2009, has the goal of

13. Intro to Trig

Which of the following best corresponds to the x-value where the function f(x)=cos x is a minimum in the interval x = [25,30]? A) 25.1 B)26.7 C)28.3 D)29.8 Can someone show me how to solve this step by step? Thanks :)

14. English

1. Identify the incorrectly punctuated sentence. A. Most of my friends, even CiCi, are excited about the spring play.*** B. Memorizing a monologue is challenging. C. Even with help, I will struggle with a few lines in mine. D. Jason gets stage fright so he

15. Math

The table shows the snack preferences of 50 shoppers at the mall. What is the probability that one shopper, selected at random from the 50 surveyed, preferred the potato chips or pretzels? ------------------------------------ | Food | Number of Shoppers |

16. Science

Hi! I just want to make sure my answers are correct. (Key: * means that is my answer.) A basketball momentarily changes shape as it bounces off the floor. This is due to balanced forces on the ball. True False* A ball slowing down as it rolls across the

17. Trigonometry

over which of the following domains is f(x) = csc(0.1x + 1.2) defined at all points and invertible? x = [0,10] x = [10,20] x = [20,30] x = [30,40] Can someone please explain how to solve this to me and show me all the steps rather than simply giving me the

18. math

in a certain, lottery five different numbers between 1 and 35 inclusive and drawn. these are the winning numbers. to win the lottery, a person must select the 5 correct numbers in the same order in which they were drawn. what is the probability of winning.

19. Math

6. The box-and-whisker plot below shows the numbers of text messages received in one day by students in he seventh and eighth grades at Lincoln Middle School. a) Describe the overlap of the two sets of data. b) Find the IQR of each set. c) Find the

20. Math

Find the area of the following rectangles. 7/2 mm ×14/5 mm. I can up with 98/10 mm. Please check

21. Organic Chem question

What would be the product when 3-bromoprop-1-ene and cyclohexane-1,3-dione react with excess NaOH?

22. algebra 2

THe loudness L of a sound is measured by L=10 log10^R where R is the sound's relative intensity. One person talks with a relative intensity of 10^6 or 60 decibels. How much louder would 100 people be ,talking with the same intensity. So would I just use L=

23. English

Identify the incorrectly punctuated sentence. A. You must return your first rental, before they will send you another movie. *** B. If you cleaned your room, maybe you would be able to find the DVD. C. Let's clear out the trash, clothes, and soda cans. d.

24. Chemistry

What is the molarity of a solution made by dissolving 2.00g of potassium chloride (KCl) in enough water to make 150 ml of solution?

25. History

What effect did John Hay's open door policy letters have on the imperial powers of Britain, France, Germany, Russia, and Japan? A)It provoked the imperial powers to declare war on the United States B)It caused the imperial powers to restrict trade in their

26. careers

When John asked Melanie to babysit Saturday night, he told her that he would pay \$7 per hour. She accepted and did the work but has not yet received the money. What type of contract was this? a. implied contract b. unilateral contract c. bilateral contract

27. Social studies

Which of the following primarily accounts for the spike in cuban immigration in the 60 A ongoing civil war in Cuba b changes in U.S immigration laws c communism takeover of the cuban government d rapid growth in cuban wealth and mobility I think it's c

28. HISTORY

which constitutional issue was president lincoln addressing in this excerpt?

29. Mathematics

Juice is sold in a rectangular prism measuring 11 cm by 6 cm by 4 cm. A cube is built to hold the same volume. By how much does the surface area decrease? Give answer to 1 decimal place.

30. math

The marginal cost function is given by dc/dq=0.08q^2-1.8q+2.5 where c is the total cost in producing q units of product. The fixed cost is 5000. Find the total cost for producing 1000 units

31. science

Which of the following materials is a good conductor of electric current? A-Glass pane B-Wooden spoon C-Silver spoon D-Rubber tire

32. Chemistry

When 52.7 g of octane (c8 h18) burns in oxygen, the percentage yield of carbon dioxide is 82.5%. what is the actual yield in grams?

33. Pre calc

An equation is given. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal places where appropriate. Find All solutions of the equation 2sin(theta/3)+ square root three =0

34. Chemistry

What is the equilibrium constant for the following reaction? 3A + 2B 2C

35. Algebra Word Problem

During summer vacation, c children went to different destinations with their parents. 36% of the children went to Europe and 24 children to Asia. The rest of the children went to South America. How many children went to South America?

36. physics

A car of mass 1200kg travelling at 72km/h was brought to rest in 4 seconds. 1. what is this period in m/s? 2. find; a. the deceleration of the car. b. the force that caused the car to come to rest. c.the distance it travelled during its deceleration.

37. Science

How many molecules of Br2 react with 1.11 x 10^20 molecules of F2

38. math

Which is the better deal: 8 ounces of shampoo for \$0.89 or 12 ounces of \$1.47? Can someone please explain to me how to do this problem.

39. Calculus

Assuming that Switzerland's population is growing exponentially at a continuous rate of 0.21 percent a year and that the 1988 population was 6.8 million, write an expression for the population as a function of time in years. (Let t=0t=0 in 1988.) I got 6.8

40. Science

Which of the following explains why water is a liquid at room temperature but oxygen is a gas at the same temperature? A. The cohesive forces between water molecules is less than that of oxygen. B. Water is the universal solvent. C. Water has a greater

41. math

The table below shows the total number of students in a boxing class at the local gym. The goal for the gym is to have no more than 20% of their students in each class be beginners. Day Number of Beginning Students Total Number of Students Monday 2 15

42. math

A large pizza at Tony's Pizzeria is a circle with a 14-inch diameter. Its box is a rectangular prism that is 14 and one-eighth14 and one-eighth 14 and one-eighth inches long, 14 and one-eighth14 and one-eighth 14 and one-eighth inches wide, and 1 and

43. ap physics

Two 25.0 g spheres are hanging from lightweight strings that are each 35.0 cm in length. Each has the same charge. They repel each other and make an angle of 5.00 to the vertical. What is the magnitude of the charge on each sphere?

44. Physics

2 charge of 10 microcoulomb and 40 microcoulomb respectively 12cm apart find the position of a point where electric field is zero

45. English

Write the poem arrow and song in the form of prose

46. chemistry

Ethane(a minor constituent of natural gas) burns in oxygen to form carbon dioxide and water. How many moles of oxygen are needed to react with one moles of ethane?

47. maths

A car dealership fences in a rectangular area behind their building to secure unsold vehicles. One length will be the back wall of the dealership. What is the maximum parking area that can be created if they have 2 km of fencing to use? HELP PLS. show you

48. Algebra

A manuscript needs to be printed. One printer can do the job in 60 minutes and the other can do it in 40 minutes. How long would it take if both printers were used?

49. English

Can someone help me here? I'm suppose to match the defenitions but all of them seem like possible choices. It's confusing. 1.Scanning the test 2.Avoiding Careless Errors 3.Planning your time 4.Making educated guesses 5.Memory dumping 6.Reading the

50. statistics

A bag contains 8 white and 3 black counters. Two counters are drawn, one after the other. Find the probability of drawing one white and one black counter, in any order. i) If the first counter is replaced ii) if the first counter is not replaced.

51. math

A cow is tied with a rope of length 14 m at the corner of rectangular field measured 20 m by 16 m. Find the area of the field in which the cow can graze. #anyone to help me with proper and systematic step by step solution

52. math

Hi, I was working on my math homework and I was stumbling on these problems. I tried looking at the solutions but my answers were completely off. Here are the ones I'm stuck on: If vectors O(0,0,0), A(6,0,0), B(6,-sqrt(24), sqrt(12)), and C(0,-sqrt(24),

53. Maths

The sketch shows a curve with equation y=ab^x where a and b are constants and b>0. The curve passes through the points (0,3) and (2,12). Calculate the value of a and b. Thank you.

54. Math

Kurt cut into wedges measuring 40 degrees if each person eats one piece of pizza how many people could he feed with two whole pizzas

55. chemistry

A swimming pool, 20.0 m ✕ 12.5 m, is filled with water to a depth of 3.81 m. If the initial temperature of the water is 18.9°C, how much heat must be added to the water to raise its temperature to 30.1°C? Assume that the density of water is 1.000 g/mL.

56. English

What are some of the differences between old money and new money characters in the great gatsby? Is this distinction important in today's society? Why is the novel narrated from Nick's perspective?

57. Geometry

If the ratio of the areas of two similar rectangles is 100/81, then what is the ratio of the perimeters?

58. dynamics

A racecar is initially travelling at 75 mph at point A as it enters the S-curve shown. In order to successfully traverse the curve, the racecar driver applies his brakes and decelerates uniformly between point A and B. Point B is located 750 ft down the

59. Maths

A square based pyramid, with a perpendicular height of 15cm I'd placed on a table. The weight of the pyramid is 70.56N. The pyramid exerts a pressure of 4900N/m^2 on the table. Work out the volume of the square based pyramid. Thank you so much.

60. math

iodine 131 has a half life of 8 days. If 5 mg are stored for a week, how much is left? How many days does it take before only 1 mg remains? An explanation for each step would be nice please. I want to learn how to do these problems for my upcoming exam.

61. SS

The economics of the Caribbean South America rely largely on? A:valuable resources such as oil, coffee, and cacao. B:production of manufactured goods. C:mineral wealth found throughout the region. D:tourism, as the region lacks arable land I think D. thank

62. math

Two vertices of a triangle lie on some line. The third vertex belongs to the line that is parallel to the first one. Prove the area of that triangle does not depend on the position of the third vertex on the line.

63. math

If a manufacturer's average-cost equation is C=0.0001q^2-0.02q+5+5000 ____ q

64. Maths

Susanna owns 10 shops and 5 restaurants. She is going to visit three of her businesses and writes her list in order. The order will be: Shop, restaurant, shop OR Restaurant, shop, restaurant. How many different lists can Bethany write? Thank you.

65. Math

The perimeter of the garden is 24 metres.all the sides are equal.what shape might the garden be? Give as many answers​ as you can.for each answer, record the length of each side of the garden.

66. Physics

A point source is 1.20m below the surface of a body of water. Find the diameter of the circle at the surface through which light emerges from the water.

67. Math

How do I break this down in generic triangle 111×333

68. finite math

Suppose that two cards are randomly selected from a standard 52-card deck. (a) What is the probability that the first card is a queen and the second card is a queen if the sampling is done without replacement? (b) What is the probability that the first

69. Physical Sciences

The relative atomic mass of magnesium is 24,31. Which is The most common isotope of magnesium?

70. Mathmatics

The point A has coordinates (-12, -7) and the point B has coordinates (-8 , 1). Find the equation of the line parallel to AB and passing through (2,5). Thanks.

71. math

Hi, I was working on my math homework and I was stumbling on these problems. I wanted to double check my answers that I have; I also could not answer 5. If vectors O(0,0,0), A(6,0,0), B(6,-sqrt(24), sqrt(12)), and C(0,-sqrt(24), sqrt(12)) form a square. 1)

72. English

I just want to know if what this phrase means from "Letter to a Citizen of Kentucky" "Right or wrong, I assumed this ground, and now avow it." Is he reffering to that he forged an agreement, formed an alliance, made a supposition or took this position

73. Maths

The student answered correctly 76 question on the Mathematics test,which was 95% of the total number of question. How many questions were in the test?

You posted your entire test without a single thought of your own. DO NOT DO THIS AGAIN. You may, however, post the questions you're not sure of IF you indicate what you think. PS - We do not write students' assignments for them!

75. Math, Ratio and Proportion

Jeff mowed 2/3 of a lawn in 52 minutes. At that rate, How long would it take him to mow the whole lawn?

76. History

How did America explain the sinking of Maine

77. MAth

a man worked in february 2009.he was paid rs 500 perday and rs 100 were deducted when he was absent . find number of days he was presentif was paid rs9100 as salaryfor the manth.

78. Math and science

A metorite weighs 300 n on the moon.The moon's force of gravity is 1/6 that of earth.What is the metorite's weight on earth's

79. math

Hi I wanted to check my work for this problem. Consider the points A(1,0,0) B(2,2,2) and C(0,2,1). 1) Find the vector CA x CB I got -2i -3j +4k for this 2) Find an exact value for the area of the triangle ABC. I got sqrt29/2 for this. 3) Plane II(1) is

80. Trigonometry

How do you know where to plot the points of a cosine function on a graph? Is there a more simple way then plugging the x value into the calculator?

81. English

1. She wants to read the comic book. 2. She wants to read the specific comic book. ------------------------------ Does #1 mean #2? Or is 'the' used in generic use?

82. physics

Consider a pipe with a length of 57.5 cm. If the temperature of the air is 21.5degrees C and the pipe is closed in one end and open in the other, what is the frequency of the third harmonic for the pipe? Post your answer in hertz (Hz) and with 3

83. Caclulus

Find the derivative of the function g(x)=S(u^2-5)/(u^2+5)du g'(x)=? S=integration symbol b=3x a=2x

84. math

(coty sec^2 y-coty)/(siny tany+cosy)

85. Science 8.4

Which arrangement below lists elements of the same group, in order, from those having least protons to those having the most protons? o,s,se,te na,s,al,cl o,n,b,ki rb,k,na,li

86. Math

Explain how you would factor x^2-5x-24 You must explain EACH step and process t get to your factored solution The work I have done - (x-8)(x+3) I just don't understand how to explain.

87. English

1. The plan was doomed/destined to fail. 2. The plan was doomed/destined to failure. 3. The plan was to fail. ------------------------ Are they all the same in meaing? Does #3 mean #1 or #2?

88. Mathmatics

The points A (3,5) and C (12,2) are points on the straight line ABC. AB:BC = 2:1. Work out the coordinates of B. Thanks

89. MAth

a man worked in february 2009.he was paid rs 500 perday and rs 100 were deducted when he was absent . find number of days he was present if was paid rs9100 as salary for the month.

90. QMI

if 2000 is invested at the end of each year for 36years(until age 65)in an account that pays 10% compounded annually. how much at age 65?

91. HISTORY

how did the loss of its control of the mississippi river contribute to the defeat of the confederacy?

92. exponent

v^-7 x v^7 its saying to write as a positive exponent only?

93. Psychology

In which type of forgetting does information that you learned recently cause you to forget information that you learned at an earlier time?

94. math

one day a sailor was sailing 32 miles from the shore. he then went 22 miles east then 67 miles north. How far did he travel straight? a) 92 miles b)29 miles c) 362 miles** d) none of these

95. AP math

how do I solve this? 0.02e^-0.244t=0.06 I know I divide by the constant to get : e^-0.244t=3 but I'm not sure what to do after. do I take ln of both sides?

96. Physics

The kinetic energy of a particle is equal to the energy of a photon. The particle moves at 6.9% of the speed of light. Find the ratio of the photon wavelength to the de Broglie wavelength of the particle. Take the speed to be non-relativistic.

97. Math

How much money would the class earn it it recycled during the next 3weeks. If for every 3/5 weeks profit is \$85

98. English

In the Oddyssey, was Odysseus' action of telling the Polyphemus that his name is "Nohbdy" or was him allowing Circe to persuade him to stay with her the most characteristic of an epic hero? I'm stuck between both options

99. Math

Solve this pair of equations by the elimination method: 4x-3y=-4 3x=2y-4

100. ELA

In Sitton Spelling and Word Skills Practice Book, What is the answers antonyms: after less south remember against tall unimportant import evening backward unusual disorganized rebel periphery temporary latter Synonyms: change assist deficit revive

101. Math

Given the curve x = √(3y^4 + 2) i)obtain dx/dy ii)x(dx/dy)=6y^3 My Answer: i)6*(3y^4+2)^-1/2 ii) 6*(3y^4+2)^-1/2 *(3y^4+2)^1/2

102. AP physics

What is the resistance of a copper wire, diameter of 1.50mm and length of 25.0 m? i got R=pl/A R=p(25m)/(3.14*(.00075^2)) how ever i found the answers online and they give me this (1.68*10^-8)(25.0)/(3.14*(.00075^2))

103. Science

car 1 is moving at 10 m/s and hits car 2 if they have a perfectly elastic collision and the masses are 1700 kg and 3000kg respectively what is the final velocity of the second car ?

104. Calculus

Find the derivative of the function y=S 10(t)^1/2 sin(t)dt y'=? S=integration symbol b=x^3 a=(x)^1/2

105. Math

Ben is four years older than Juan. In two years, their ages will total 50. How old is each now?

What always ends with a S, and always has a C in the middle, but if you never use it then it would start with an A.

107. Math

A new automobile costs \$32,000. The value of the same automobile after t years is given by V = 32000(0.8)t. The following steps determine how many years it will take for the value to decrease to one-eighth the initial value, which is \$4,000.

108. Math

A man lost Rs 3 on every bottle of medicine he sold. Find his gain on selling 7 bottles of this medicine?

109. Computer

I have a question If a laptop reaches 15% of low battery then how long has it been running? About 3 hours, 2? But wthout the charger

110. math

Differentiate y=x^-2(4+x^-3)

111. Algebra I

Find the value of each and write as an ordered pair. f(2)=

112. Algebra I

find the value of each and write as an ordered pair. f(-5)= ______ (___,___)

113. mat1045

70 is the difference of Raja's age and 14

114. Math

To completely factor 3x^2+12x Monica says the answer is x(3x+12). But Ashley says the answer is 3x(x+4). Who is correct, Monica or Ashley? Explain why. I know that Ashely is right right but I'm not sure how to explain it in the right terms.

115. Math

I have several of these questions I just need help with this one to do the rest. How many weeks would it take to sale cookies in order to earn \$5,0000. If for every 3 weeks profit is \$500. Is it 500/5000