# Questions Asked onNovember 14, 2018

1. ## History

Which most accurately describes why the Portuguese wanted to sail around Africa to reach India? A. The Portuguese wanted to trade papaya, coffee, cocoa, and bananas for India's gold an luxury items. B. The orthodox Christians controlled trade routes along

2. ## math

The sum of two and the quotient of a number xxx and five.

3. ## physics

A 0.300-kg of ice is initially at temperature of −8.0 °C. How much heat is required to melt three-quarters the mass of the ice only?

4. ## Chemistry

Write the formulas of the conjugate acids of the following Brønsted-Lowry bases. A.C4H4N− B.(SO4)2− C.(CH3)3N Write the formulas of the conjugate bases of the following Brønsted-Lowry acids. A.HCN B.(CH3)2NH2+ C.H2SO4 D.HSO4−

5. ## history

Drag the words to the boxes in the sentences. Burmese Khmer porcelain reservoirs Indonesia Mekong By the ninth century, the empire had emerged in eastern Indochina. It developed around agriculture and used to store water. To the south, the Srivijaya empire

6. ## Math

3 Solve the simultaneous equations x² + y² = 34 x – y = 2

7. ## Social Studies

Heyooo, I’ve finished The Roman and Byzantine Empires Unit Test, and I am relatively confident in almost every answer, but I would like someone to check over my answers for me! I’ll be uber grateful! What steps did the Roman Empire take to expand and

8. ## history

Which event best identifies the beginning of the so-called Dark Ages in Europe? spread of the bubonic plague rise of the Arab Empire initiation of the Hundred Years’ War fall of the Roman Empire

9. ## Math

Prove that a^3 ≡ a (mod 3) for every positive integer a. What I did: Assume a^3 ≡ a (mod 3) is true for every positive integer a. Then 3a^3 ≡ 3a (mod 3). (3a^3 - 3a)/3 = k, where k is an integer a^3 - a = k Therefore, a^3 ≡ a (mod 3). Is this a

10. ## geometry

The difference of the same side interior angles of two parallel lines is 50°. Find the measures of these two angles. Answer: ______ &______

11. ## maths

a shopkeeper gives 8% discount on the printed price of a mobile if he sells the mobile for rs 18400 find its printed price

12. ## calculus

(1 point) Find the inflection points of f(x)=4x4+22x3−18x2+10. (Give your answers as a comma separated list, e.g., 3,-2.)

13. ## biology

The amount of genetic variation produced during meiosis is related to __________. (Select all that apply.) the amount of crossing-over that occurs the number of chromosomes in the cell the number of cells produced during a meiotic division the size of the

14. ## Geography

On November 12, 1815, Elizabeth Cady Stanton, spokesperson for the rights of women, was born in Johnstown, New York. Stanton formulated the philosophical basis of the woman suffrage movement, blazing a trail many feared to follow. Stanton's verbal

15. ## geometry

Lines a and b are parallel. Line c is a transversal. Find the measures of all angles formed by a,b, and c, if: one of the angles is with 70° larger than the other one.

16. ## geography

name three rights granted to greek citizens that american citizens have today

17. ## chemistry

. What is the molar mass (to the nearest tenth of a gram/mole) of each of the following KCl

18. ## math

PLEASE HELP THIS IS DUE TODAY!!! Which number is divisible by 2, 9, and 10 A. 45 B. 60 C. 90 D. 150 Which of the following numbers is divisible by 2, 3, 5, 6, 9, and 10? A. 420 B. 540 C. 250 D. 510 45 is divisible by which of the following numbers? A. 1,

19. ## social studies

Which of the following illustrates the influence natural resources had on Ghana? A. Ghana's lack of natural resources limited their ability to grow into a huge trading empire. B. Ghana's isolation from river sources prevented them from interacting with

20. ## Geography

Which of the following were basic principles of the Know-Nothing Party? A. anti-immigrant, anti-Catholic. B. less federal government regulation, no abolition. C. support women's rights, prison reform. D. spread the Second Great Awakening, encourage

21. ## geometry

Lines a and b are parallel. Line c is a transversal. Find the measures of all angles formed by a,b, and c, if: one of the angles has measure of 150°.

22. ## Math

A flowerbed is 3 3/4 meters long and 2 meters wide. Uncle James wants to build a border around the flowerbed. The width of the border is 1/2 meter. The cost of building the border is \$20 per square meter. How much does Uncle James have to pay to have the

23. ## chemistry

When 2 moles of K3PO4 is dissolved in water, how many moles of ions are produced? For your answer do not put units, just the numeric value.

24. ## Chemistry

If the time at which a radioactive material decays to half of its original mass is twice the time at which the original mass of the material reduces to 80g.Determine the original mass of the substance .

25. ## Geography

Explain the tension between upcountry and low country of south Carolina

26. ## Biology

Gabriela is sick with a bad cold. Her immune system is defending her body against the invading virus. The first line of defense is cells called macrophages, which attack viral particles. The cells eliminate viral particles in a process called endocytosis.

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27. ## Social Studies/Economics

Which of these is an example of a capital resource? A. Workers B. iron ore (my answer) C. entrepreneurs D. computers

28. ## Math

1.) Find the product. Simplify 1/10 × 3/4 A. 15/2 B. 2/15 C.3/40 D. 40/3 2. 4/5 of 40 A. 32 B. 1/32 C. 12 D. 44/5 1/3 of 3 A. 32 B. 1/32 C. 12 D. 44/5 Betty had 1/7 yard of ribbon. She used 1/6 of it. How many yards did she use? A. 42 B. 7/6 C. 1/42 D.

29. ## Social Studies

Which statement BEST describes the cause of the Zulu War of 1879? A) The Zulu were threatened by Egyptian forces. B) The Boers fought against Zulu invasion at Blood River. C) The Zulu attempted to resist submitting to British rule. D) The British attempted

30. ## Social Studies

Which physical feature would have the GREATEST impact on Sub-Saharan Africa? A) Sahara Desert B) Kalahari Desert C) Atlas Mountains D) Mount Kilimanjaro

31. ## History

Why did the Romans include concepts like separation of powers and checks and balances into their government? A. to allow the magistrates to have all of the power B. to allow the Senate to have all of the power C. to ensure that no one man had all the of

32. ## Calculus

(1 point) Find the positive critical point of the function f(x)=x/x^6+9

33. ## Calculus

(1 point) The function f(x)=4x3+24x2−252x+1 is decreasing on the interval ________________ Enter your answer using the interval notation for open intervals. It is increasing on the interval(s) __________________ The function has a local maximum at

34. ## Chemistry

300cm^3 of Co is mixed and sparkled with 400cm^3 of air containing 21% of oxygen if all the volumes are measured at S.T.P calculate the total volume of residual gases

35. ## Calculus 1

Find the positive critical point of the function f(x)=x/(x^6+9)

36. ## math

One hundred people were surveyed about their breakfast preferences. They had to choose between French toast and pancakes and between sausage and bacon. The results are in the table below: Category French Toast Pancakes Sausage 25 21 Bacon 23 31 What is the

37. ## History

In what order does a dynasty gain and lose power in the Mandate of Heaven? Mandate of Heaven Lost by the Dynasty Period of Violence Follows A New Dynasty Rises A New Dynasty Rules The Dynasty Grows Weak

38. ## physics

An object is formed by attaching a uniform, thin rod with a mass of mr = 6.8 kg and length L = 5.68 m to a uniform sphere with mass ms = 34 kg and radius R = 1.42 m. Note ms = 5mr and L = 4R. What is the moment of inertia of the object about an axis at the

39. ## Ed Tech

Which of the following strategies might be useful when organizing items in your study area? Put everything in one big bin so it is easy to clean up It is important to spend a lot of money on fancy organizational containers. Once you organize your desk, you

40. ## History

Why was Stephen Austin able to establish a colony in Mexican territory? A. The Mexican government gave him a land grant. B. He claimed the land for himself. C. The U.S. government gave him an exemption. D. The local farmers were generous.

41. ## social studies

state two factors that may cause adolescents to neglect the role in taking care of younger siblings.

42. ## Calculus

Given ƒ(x) = e^x, verify that lim h→0 (e^(x+h)−e^x)/h = e^x and explain how this illustrates that ƒ′(x) = ln e • e^x = e^x.

43. ## English

I am currently writing my research essay for my Dual credit class over Election Security and Voting. I have completed my outline, but I do not know how to form a good hook.

44. ## History

Jacksonian Democracy would appeal most to which group? A. Native Americans B. aristocratic families C. common men D. African Americans

45. ## Math

25=10t-0.83t^2 Solve for t

46. ## History

What is democracy?

47. ## Math

Write an equation in point-slope form for the line through the given point with the given slope. (-10, -6);m=-5/8

48. ## derivative

find the 2nd derivative of x+y = xy here is what I have so far: 1+dy/dx = x (dy/dx) + y

.31b=12

50. ## Geometry

The three angles of a triangle have measures 8x+6, 7x-8, 5x+2. What is the measure of the smallest angle?

51. ## precalc

How to find derivative of y= sin^4x / cosx

52. ## calculus

You are making a rectangle from two horizontal rods and two vertical rods. Horizontal rods cost \$3 per foot and vertical rods cost \$5 per foot. If your budget is \$180, then what area is the largest possible area of the rectangle? Not sure how to start it

53. ## Science

0.89 g/mL object will sink, float or suspend in water

54. ## Chemistry

Rank from highest to lowest acidity: V2O3, Ni2O3, MnO, ZnO, Cu2O I feel like I've tried everything and I know there is a periodic trend to figure it out but I still get the wrong answer. An explanation would be super helpful!!

55. ## Physics

A horse trots at 10m/s for 5 s and then turns around and walks back in the other direction at 2.5m/s for 30 s. a) what distance did the horse travel? b) what is its displacement? c) what is its average speed? d) what is its average velocity?

56. ## Chemistry

How do I change this (CH3)2N into a base?

57. ## Science

Calculate the partial pressure of co2 and o2 in a mixture of 2 gases consisting of 4.4g co2 and 6.4g o2, with a total pressure of100kpa

58. ## chemistry

What is the temperature in Celcius of 3.33 moles of neon that occupies 13.4 liters under the pressure of 3 atmospheres.

59. ## chemistry

A hot air balloon is filled with 15 moles helium gas and 5 moles nitrogen gas. What is the volume of the balloon at 1.01 atm and 300 K?

60. ## Math

Consider a 92∘C cup of coffee placed in a 24∘C room. Suppose it is known that the coffee cools at a rate of 2∘C/min when it is 70∘C. Then according to Newton's law of cooling, the temperature T(t) of the coffee t minutes after being placed in the

61. ## statistics

9. According to a study, 16 – 26-year-olds make an average of 6.9 visits to shopping malls per week. A researcher wanted to check if this mean is true for the current population of 16 – 26-year old. A random sample of 45 such persons showed that the

62. ## math

One hundred people were surveyed about their breakfast preferences. They had to choose between french toast and pancakes and between sausage and bacon. The results are in the table below: Category French Toast Pancakes Sausage 25 21 Bacon 23 31 What is the

63. ## Language Arts

1) What is the purpose of the "Egyptian pyramids" caption? A. to introduce a supporting detail B. to state a key idea C. to provide details about an image**** D. to explain specialized vocabulary 2) Which text aid or feature helps you know what the central

64. ## Math

The volume of a rectangular prism is 60 cubic in and the lengths of its edges are all whole numbers. What is the number of inches in the largest possible sum of all of the edges of the prism?

65. ## English

1. Our little princess is turning three and we are organizing a fun tea party in her honor. 2. Our little princess is becoming three and we are in the process of organizing a fun tea party in her honor. ---------- Does #1 mean #2 here?

66. ## Math

A ship, proceeding southward on a straight course at the rate of 12 miles/hr is, at noon, 40 miles due north of a second ship, which is sailing west at 15 miles/hr. a) How fast are the ships approaching each other 1 hour later?

67. ## Physics

A man weighing 500 newtons sits in swing suspended with two ropes if each rope makes an angle of 30 degree with the vertical, what is the tension in each rope?

68. ## math

Sound travels at 343 meters per second. You measured 3 seconds for sound travel from place A to place B. What is the distance between A and B?

69. ## Math

Ms. Sue, please help me Write the number in exponent form 3. −(2)(2) ---------------- (−6)(−6)(−6) 4. −(3)(3)(−5)(−5) I'm confused about why the minus sign is on the outside. Does it change anything?

70. ## math

5x-1=14 A.x=3******** B.x=4 C.x=5 D.x=15

71. ## math

is Alice rite?

72. ## Pre-algebra

I am doing corrections and I have no idea how to do this problem. A right triangle has an area of 13 m2. The dimensions of the triangle are increased by a scale factor of 3. What is the area of the new triangle?

73. ## physics

An ideal gas is sealed within a container at a tempreture of 17 degree celcies and a pressure of 101KPa. The container is heated until the tempreture of the gas reaches 100 degree celcies. A valve in the container is then opened to allow gas to escape

74. ## Math

I cannot figure this one out. Please help. The ramp shown below is used to move crates of apples to loading docks at different heights. When the horizontal distance AB is 12 feet, the height of the loading dock, BC, is 6 feet. What is the height of the

75. ## physics

If you have an immovable object on a table, and you remove the table from under the object, like in the tablecloth trick what will happen to the immovable object? Will it fall? Isn't it immovable? Will it just float there? What about gravity?

76. ## math

2. Find the sum of the interior angles of a nonagon. (1 point) 140° 1,620° 1,260° 1,450° 4. Find the measure of each interior angle of a polygon with 12 sides. (1 point) 1,800° 150° 180° 145° 5. Four of the angles of a pentagon measure 85°, 110°,

77. ## math

apples are sold in bags that are each 17 pounds. if 3 friends equally share 1 bag how many pounds of apples will each friend receive?

78. ## Social Studies

15. What is a caucus? (1 point) A. A meeting of the electoral college to vote for president B. A process to determine the numbers of the electoral college C. A small election to gauge a state's support for different candidates D. A small convention to

79. ## Math

A bag contains 3 blue, 4white and 5 green marbles of the same size. What is the probability of drawing a white marble from the bag?

80. ## physics

How does a motor work?

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81. ## physics

How does a generator work?

82. ## Algebra

(6x^2+x-7)/(2x+3) I'm not sure how to do this can someone explain how the steps for this?

83. ## Algebra

A gift box has a volume of 450 cubic inches. The width of the box is 4 inches less than the length. The height is twice the width. What is the width in inches of the gift box?

84. ## English

1. Who is the tall soldier who, in the first chapter, “developed virtues and went resolutely to wash (1 point) a shirt”? a) Jim Conklin b) Henry Fleming c) The author does not give his name. 2. Which of the following indicates that the story is told in

85. ## physics

How much ice (at 0°C) must be added to 1.15 kg of water at 81 °C so as to end up with all liquid at 26 °C? (ci = 2000 J/(kg.°C), cw = 4186 J/(kg.°C), Lf=3.35×10^5 J/kg, Lv= 2.26×10^6 J/kg)

86. ## social studies

What was the MAIN cause of the first Gulf War (1990-1991)?

87. ## Social Studies

How did John Calhoun react to the Tariff of 1828? A. He used his power as Vice President to influence President Jackson to oppose the tariff. B. He led a charge to impose sticker regulations on the second bank of the United States. C. He devised a force

88. ## Math

Simplify this expression. –12 ÷ 3 • (–8 + (–4)2 – 6) + 2 i need help please

89. ## science

a star is served thousand of times brighter than the sun with the temperature lower than 4,000 k would be classified as?

90. ## science

BaCl2 + H2SO4à

91. ## English

The complete sentence that appears on line 18 of the King Arthur’s Knights excerpt is an example of a(n) _[blank]_ sentence. While it was yet dark a great strange cry rang out in the churchyard. Some ran forth, and there by the wall behind the high altar

92. ## Algebra

2: Y^5 x y^14= A: 2y^19 B: y^60 C: y^19 D: 2y^60 3: w^12 ÷ w^18 A: w^30 B: w^-30 C: w^6 D: w^-6 4: Using the numbers 3, 2, and 4, which of these problems would have a solution of 4? A: 4 x 2^3 ÷ 2^3 B: 2 x 2^3 ÷ 2^4 C: 3 x 2^3 ÷ 2^4 D: 3 x 2^4 ÷ 2^4

93. ## Algerbra

if (SQRT(3)-1) is a root of the equation 2x^2 - 2kx+4=0 then k equals what.

94. ## Algerbra

The expression x*y has the value y^-2 -(-SQRT(x))^3. find the value of 49* -1/3

95. ## Geography

Communism is over in russia.democracy will always prevail in the end how does this statement most reflect a particular bias ?

96. ## history

Which examples characterize the power of the Roman Catholic Church during the medieval period? (Select all that apply.) The Catholic Church restricted what kind of artwork artists could create. The Catholic Church established its own universities, but only

97. ## Calculus

Find the critical point and the interval on which the given function is increasing or decreasing, and apply the First Derivative Test to the critical point. Let f(x)=4/x^2+1 Critical Point = Is f a maximum or minumum at the critical point? The interval on

98. ## math

5,400 inches to miles

99. ## Calculus

(1 point) Is the graph of y=sin(x4) increasing or decreasing when x=14? (enter increasing, decreasing, or neither). Is it concave up or concave down? (enter up, down, or neither).

100. ## history

Which option accurately describes the impact of the Roman Catholic Church during the Middle Ages? The Christian Church had a civilizing influence on the Britons, providing a unified belief system, shared scripture and teachings, and construction of

101. ## Math

Pre-algebra Find the sum of the interior angles of a nonagon. (1 point) 140° 1,620° 1,260° 1,450° 4. Find the measure of each interior angle of a polygon with 12 sides. (1 point) 1,800° 150° 180° 145° 5. Four of the angles of a pentagon measure

102. ## social studies

can someone please help i have been stuck on these questions Drag and drop the words to identify Peter the Great's reforms. Words may be used once or not at all. freed the serfs created schools of engineering cut the size of the military improved the

103. ## history

Which option accurately describes the impact of the Roman Catholic Church during the Middle Ages? The Christian Church had a civilizing influence on the Britons, providing a unified belief system, shared scripture and teachings, and construction of

104. ## Algebra

Given that a+b=c, a+c=d and b=c+d, where d is a positive integer, what is the greatest value of a?

105. ## history

Which examples characterize the power of the Roman Catholic Church during the medieval period? (Select all that apply.) The Catholic Church restricted what kind of artwork artists could create. The Catholic Church established its own universities, but only

106. ## Algebra

Given that a+1/(b+(2/c))=17/5, where a is the integer part of the mixed number, and c is the numerator of the fraction part of the mixed number when the mixed number is written in least terms, find the product abc.

107. ## Deleting posts

Hi I know I have asked you at least twice to delete all my post I just want to make it to where nobody can see in my past post since I will not be using this website anymore.I know you keep deleting my question to delete it but please delete all my post. I

108. ## Algebra

Given that S=7a+b+7c and also S=6a+8b+6c, where 51

109. ## math

d+g/h d=29 g=16 h=9

110. ## Geography

What languages are spoken in Ireland? No links please I have other homework. Thanks! :)

111. ## SS

CAN SOMEONE PLEASEEEEEE HELPPPPPPPPP while _______ allowed some freedom of religion in the 1700's ______attacked and took land away from porland answer choices for both underline lines: both Austria and Prussia neither Austria and Prussia only austria only