# Questions Asked onOctober 16, 2019

1. ## math

Textbook prices have a seasonal structure on Ebay. At the end of a term, the supply of used books outstrips demand, and the price is lower. Near the start of a term, many students are looking for books, and the price is higher. Suppose we can classify

2. ## Math

The Wilson family was one of the first to come to the U.S. They had 9 children. Assuming that the probability of a child being a girl is .5, find the probability that the Wilson family had: at least 2 girls? at most 3 girls?

3. ## Geometry

The 8th term of a(GP) is 640. If the first term is 5, find the common ratio and the 10th term?

4. ## Chemistry

Which of the following pair of aqueous solutions when mixed will not form a precipitate? A. FeCl2 (aq) and NaOH (aq) B. Ni(NO3)2 (aq) and Li2(CO3) (aq) C. KBr (aq) and AgNO3 (aq) D. (NH4)2 CO3 (aq) and KBr (aq) E. All of them

5. ## Algebra

Gabriel is making a mixture of compost and soil to use for a special plant. He wants his final mix to be 2 parts compost to 10 parts potting soil. He wants to end up with 12 kilograms of mix.

6. ## Math

A letter from the word MATHEMATICS is chosen at random. What Is the probability that the following letters are chosen S

7. ## math

what is 2.268 rounded to the nearest whole gram

8. ## Social Studies

1. Drag and drop the descriptions to match the country in which the civilizations developed. China Japan Korea The Silla defeated two other kingdoms to unite the country under their rule for centuries. The Sui built the Grand Canal uniting northern and

9. ## Math

The mean of a normal probability distribution is 440; the standard deviation is 8. A: About 95% of the observations lie between what two values? B: Practically all of the observations lie between what to values?

10. ## History

Explain the role that the allies played in determining the outcome of the war

sec^2(x)=2x

12. ## Math

Both are normally distributed. For the net sales, the mean is 180 million and the standard deviation is 25 million. For the number of employees the mean is 1,500 and the standard deviation is 120. Clarion Fabricators had sales of 170 million and 1,850

13. ## Math

find an equation of the tangent line to the graph of y = (ln x)^2, at x = 3

14. ## science

Tomato Plant Growth Marissa wanted to see how the amount of water given to tomato plants affected their growth. She had six tomato plants that she split into two groups of three. She watered each plant in group 1 with 300ml of distilled water per day.

15. ## Music

Which major key has one flat in the key signature? A: Bb major** B: C major C. F major D. G major 2. In key signature which sharp, the key is A. One half step up from the last sharp B. The next to the last sharp C. One half step up from the last flat D.

16. ## History

Which progressive reform did woodrow wilson endorse? A. Regulating big business B. Expanding presidential power C. Providing protections for laborers D. Allowing expansion of the business trusts***

17. ## Biology

Most enzymes in the human body work best at 37 degrees C (98.6 F.) What do you think this means then when your sick?

18. ## math

A new car is sold for its sticker value of \$19,400. Three years later, the customer returns to the car dealership to trade the car in. She is told that her car now has a value of \$12,105. What is the rate of decline in the value of the car? In your final

19. ## chemistry

After the precipitation of the Group I cations as chlorides by the reaction with HCl, nearly all of the precipitate dissolves in hot water. Which ion(s) are present? Which ion(s) are absent?

20. ## Thermodynamics

An ideal gas, Cp = (5/2)R and Cv = (3/2)R, is changed from P = 1 bar and V{ = 12 m3 to P2 = 12 bar and V2 = 1 m3 by the following mechanically reversible processes: (a) Isothermal compression. (b) Adiabatic compression followed by cooling at constant

21. ## Math

Sand is falling off a conveyor belt and onto a conical pile at a rate of 12 cubic feet per minute. The diameter of the base of the cone is approximately 4 times the height of the pile. A) At what rate is the height of the pile changing when the pile is 10

22. ## History

Choose which aspects of civilization scholars still have questions about for the Indus Valley civilization. Select all that apply. city planning kind of government** reading their writing establishment of farming** used wheights and measurements reason for

23. ## Math

The distribution of the number of viewers for the American Idol television show follows a normal distribution with a mean of 27 million and a standard deviation of 10 million. A: Have between 29 and 37 million viewers? B: Have at least 21 million viewers?

24. ## social studies

According to stories in the Vedas, scholars believe that the Indo-Aryans first lived as what? A. Hunters

25. ## math

Karen deposits \$375 into a savings account which earns simple interest at a rate of 4% per year. She wants to use the interest to buy a new camera. Which price camera could Karen buy at the end of 5 years? SELECT THREE!!. A.\$764 B.\$52 *** C.\$38 D.\$75 ***

26. ## literature

Which of the following correctly revises the sentence so that it is entirely in the active voice? It has been decided by the school that the class should not be evaluated by their regular teacher; instead, the assessment should be performed by a visiting

27. ## math

Which of the following options represents the advantage of purchasing with cash instead of a credit card? The cash payment does not include interest fees. If you don’t have enough money at the time you can still make the purchase. You will worry less if

28. ## math

Caroline had 400 stamps in her collection. 1/10 th of them were Indian stamp. Of the remaining, 1/ 3 were Europe, and 100 stamps were from Africa. The rest were from United states of America. How many American stamps were there?

29. ## science

What is the mass number of a Cesium (Cs) atom that has 78 neutrons? a. 55 b. 132.9*** c. 133 d. 132

30. ## Civic education

What are five ways leaders can protect the interest of their followes

31. ## Social Studies

Which of the following has created the most conflict between North and South Korea? A. North Korea's limits on its citizens' freedoms B. South Korea's increased democracy C. North Korea's continuing effort to make more nuclear weapons D. South Korea's

32. ## math

x P(x) 0 0.3 1 0.3 2 0.2 3 0.2 Find the mean of this probability distribution. Round your answer to one decimal place.

33. ## History

What was the function of Sumerian seals? A. to honor a city-state's god or goddesses B. o serve as a personalized signature C. to serve as a common trade currency D. to serve as a standardized measure of weight I think it is B

34. ## Math

Write a translation rule that maps point D(7, −3) onto point D'(2, 5) I need major help, please???

35. ## Math

Find the ratios of 3 basketballs 2 football's and 3 baseball

36. ## Statistics

The mean one-way commute to work is 25.8 minutes. The longest one-way travel time is in New York City, where the mean time is 38.9 minutes. Assume the distribution of travel times in New York City follow the normal probability distribution and the standard

37. ## Algebra

You are filling a 19,400 gallon pool, w. The pool fills at a rate of 8 gallons per minute, m. The amount of water in the pool at any given minutes can be found using the equation. What is the domain and range.

38. ## Geography

What is the answer to the blank? Madrid is to Spain as ________ is to France.

39. ## Math

Enter your answer and show all the steps that you use to solve this problem in the space provided. Write a translation rule that maps point D(7, −3) onto point D'(2, 5). (x,y)->(x-7,y+-3) How is this so far?

40. ## Math

What is the distance between point A (-1,3,4) and point B at (-2,5,1)?

41. ## Algebra

HELP ALGEBRA HOMEWORK 1. Classify -6x^5+4x^3+3x^2+11 by its degree. A) quinic B) cubic C) quartic D) quadratic 2. Write -2x^2(-5x2+4x^3) in standard form. A) -8x^5-20x^4 B) -8x^5+10x^4 C) -7x+2x^4 D) -7x^5-10x^4 3. Consider the leading term of the

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42. ## Science

1. A town's large sugar beet processing factory is destroyed in a flood. Which of the following is a likely consequence in the next few months? The farmers near the town will immediately plant more sugar beets. The cost of processing sugar beets will

43. ## geography

which of the following was NOT a characteristic of native american societies during the mississippian period

44. ## Algebra

Mallory had an average of 87 on her first three algebra quizzes. She made the same score on the first two quizzes and 9 points higher on the third quiz. What was her grade on each quiz?

45. ## chemistry

The following reaction is second order in A and first order in B. 2A+1B --> 3C what is the rate law equation for the reaction below? (Assume that A, B and C are the same compounds for each reaction.) 4A + 2B --> 6C

46. ## literature

How would you categorize the following statement by Asimov? But what I see - those quiet, twinkling points of light - is not all the beauty there is. a. valid opinion b. faulty opinion**' c. fact d. bias

47. ## Geometry

This is the Unit 3 lesson 6 test for Geometry! Reasoning and Proofing test. Please I need the answers. I fell beheind so bad. 1. A statment can be expressed in if-then form is a ? A. converse B. conditinal (My answer) C. biconditinal D. counterexample

48. ## Math

A car dealer will sell you a \$5445 car for \$1058 down payment and payments of \$132.24 per month for 48 months. What is the simple interest rate? I've been trying to answer this question and am not getting the right answer as the textbook. Help please!

49. ## Spanish

Why is it not always necessary to include a subject pronoun before the verb in spanish? Write your answer in english and give and example in spanish.

50. ## English

The following letters: aaaaaaaaaabbccccceeeggghiiiiiiiiiiiiklllllmmmnnnnnnnnpppppsssssstttttttuuwy (75 letters), can be used to form eleven words to fill in the blanks of the four statements below. The statements are about what Lee Iacocca and his team

51. ## science

Amotorvehicle of mass 1200kg is travelling along alevel road at 54km/hr.The breaks are then applied and the speed of the vehicle reduced to 18km/hr over adistance of 50M .if the afriction motion resistant is constant at 160N .calculate the effective

52. ## math

In two or more complete sentences, compare and contrast the 401(k) and the 403(b) savings plans.

53. ## Maths

5a-4b + 2 (-a + 2b) -9a +12b

54. ## English

Type the words in which the / g / sound is spelled with two letters. gh: gu:

55. ## Social studies

The Han emperor Wudi invented a bureaucratic system to help the Han run the empire. What was it based upon? A. Legalism B. Confucianism

56. ## maths

A piece of cloth costs Rs.35. If the piece were 4m longer and each meter were to cost Rs.1 lesser,then the total cost would remain unchanged. Find the length of the piece of cloth ?

57. ## maths

2 poles of height 15m and 20m stand vertically upstraight on a plane ground. If the distance between their feet is 12m. Find the distance between their tops ?

58. ## Geography

What will be the time in Nigeria longitude 50degree west when it is noon in London longitude 0 degree

59. ## math

An investment made in the stock market decreased at a rate of 4% per year for 5 years. What is the current value of the \$1,000,000 investment? Include your calculations in your final answer. A new car is sold for its sticker value of \$19,400. Three years

60. ## Math

Kathy spent \$15.60 at the post office. She paid \$11.40 to send a package to her aunt and bought stamps with the rest of the money. If Kathy bought 10 stamps, which equation can be used to find x, the cost of each stamp. A.15.60 = 11.40 + 10x B.15.60 =

61. ## Math

Write a measurement division story problem for 5/12 divided by 1/6

62. ## English

What makes "I Am a Native of North America" a reflective essay? A. The author shares his ideas and experiences about living in two cultures. B. The author reveals how the white culture harms the earth. C. The author expresses the importance of living

63. ## Math

–11 ≥ –1 – 2x

64. ## NM History

Why was the Spanish-American War so important in New Mexico's struggle for statehood? A. The Spanish-American War gave the citizens of New Mexico a spotlight on which to prove their patriotism by supporting the war effort and volunteering for combat. B.

65. ## Physics

An autographed baseball rolls off of a 8.9 m high desk and strikes the floor 3.0 m away from the base of the desk. How fast was it rolling? Use g = -10m/s2.

66. ## Math

How long will it take a passenger train traveling at 160 miles per hour to travel from Denver, Colorado to Lincoln, Nebraska? The distance between the two cities is 488 miles.

67. ## science

How many valence electrons does Krypton (Kr) have? I think it's 8

68. ## Math

You walked 2⁄15 miles from your chemistry class to your economics class at a constant speed of 0.8 miles per hour. How long did this take you?

69. ## math

The weights and heights of six mathematics students are given in the following table: Weight (in pounds) Height (in centimeters) 165 172 123 157 212 183 175 178 165 163 147 167 In the statement, "Height is a function of weight," which variable is the input

70. ## science

Which is correct? a. Gallium is the most reactive because it has the most neutrons.*** b. Silicon is the most reactive because it is a metalloid. c. Fluorine is the most reactive because it has 7 valence electrons. d. Boron is the most reactive because

71. ## Math

I am a two-digit number.My ones digit is the double of my tens digit.Two of my divisors are 8 and 12

72. ## History

How did the Assyrian empire dominate Mesopotamia? A. It dominated Mesopotamia through its use of archery forces and stone weapons. B. It dominated Mesopotamia through its use of cavalry forces and iron weapons. C. It dominated Mesopotamia through its use

73. ## Chemistry

What volume (inL) of 0.187 MKCI solution will completely react with 0.117 L of a 0.142 M Pb(NO 3 ) 2 solution according to the following balanced chemical equation: 2 KCl(aq)+Pb(NO 3 ) 2 (aq) PbCl 2 (s)+2 KNO 3 ( aq )

74. ## Chemistry

If 9.1 L of a 7.7 M SrCl 2 solution is diluted to 37 L, what is the molarity (M) of the diluted solution? (Be sure to use the correct number of significant figures and the abbreviated form of the desired unit in your answer.)

75. ## Math

Why do you have to use estimation to find the number of triangles you need for the string?

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76. ## Physics

A rock is thrown straight down with an initial velocity of 14 m/s from a cliff. What is the rock’s displacement after 2.0 s?

77. ## Georgia history

The Declaration of Independence stated that the colonists rights came from whom?

78. ## history

The Earth can be divided into four hemispheres. Choose the respective dividing lines for each of the two sets: Northern and Southern Hemispheres versus Eastern and Western Hemispheres

79. ## Math

Why is "How many continents are there?" is not a statistical question? A. there is only one answer. B. the answer is unknown. C. the answer is less than ten. D. everyone knows the answer. Plz help!

80. ## English

In the call of the wild it was easy for Buck to save Johnson Thorton from drowning because of his valor and strength A.true B.false

81. ## managment

What demands would most likely be advocated by union leaders in obtaining contract ratification?

82. ## Chemistry

Diamonds are measured in carats, and 1 carat=0.200g. The density of diamonds is 3.51g/cm3. what is the volume of a 5.0-carat diamond, expressed in liters?

83. ## Science

A particular neutral uranium atom has 92 protons, 143 neutrons, and an atomic mass of 235. How many electrons does the atom have? A. 92 B. 143 C. 235 D. 337

84. ## Chemistry

A C=O stretching IR peak is usually quite intense, while a C=C stretching peak is usually quite weak. How might you account for this difference? Thanks in advance!

85. ## math

can you please check my answer? 3. What is 0.72 written as a simplified fraction A. 72/100*** B. 100/72 C. 36/50 D. 18/25

86. ## Math

Solve for x: Log base 2 of ( x+1) = Log base ( x+1) of 2

87. ## Math

Solve for x: Log base 3 square root of x +1/2 = 3log base x 3

88. ## MATH

How does √(-3cos(t)/2)^2 +(3sin(t)/2)^2 (3cos(t)/2 - 9/2)^2 equal 3/4√4sin^2(t)-12cos(t)+17 instead of √cos^2(t) -254cos(t)/8 +81/4 Which one is correct or they're both wrong?

89. ## Science

A dog is trained to sit and shake hands. These traits are mostly likely, A. inherited B. not inherited C. not acquired D. innate

90. ## History

Explain how the Silk Road impacted the development of East Asia.

91. ## Social Studies

1. Which of the following best summarizes how the environment impacted the growth of the Maya? A. The Maya had to adapt to living in high elevations with thin oxygen B. The Maya had to learn farming techniques to clear the dense rain forest. C.The Maya had

92. ## Physics

A swimmer whiches to swim with a speed of one metre square across anuer to a point a directly opposite him.there is uniform current with the speed of zero point five Newton square find the direction in which the swimmer must head to do this.

93. ## Science

Why are fossil fuels consider nonrenewable? A. There is an abundant supply of fossil fuels. B. It is the most widely used source of energy

94. ## civics

Which statement BEST describes the philosophy of Sir Robert Filmer?

95. ## Math

Count to 30 (in base 10) showing the equivalent numbers in base 6 Does this mean I count using base 10 or base 6? I am confused

96. ## History

Mongolia, Japan, and the Koreas are largely CHOOSE , with large majority ethnic groups. However, the CHOOSE make up a small minority group on the Japanese island of Hokkaido. China’s largest ethnic group are the Han, but the large country has many

97. ## Math

Evaluate -5g-6 for g= -2 A4 B16 C10 D-13

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98. ## Math

Use an equation to solve the problem. 1. What is 57% of 11? a. 11 = 0.57 x n; 19.3**** b. n = 57 x 11; 627 c. n = 0.57 x 11; 6.27 d. 11 = 57 x n; 0.19 2. What is 45% of 10? a. 450 b. 45 c. 4.5**** d. 0.45

99. ## Math

Note: enter your answer and show all the steps that you use to solve this problem. 1. Simplify the expression and explain each step. 4. (3x +2)-2 2. Factor the expression completely. 20b-16

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100. ## Math

Find the percent of increase. 50 to 70 a. 20%**** b. 30% c. 40% d. 50%

101. ## Math

A car dealer will sell you a \$5445 car for \$1058 down payment and payments of \$132.24 per month for 48 months. What is the simple interest rate?

102. ## Math

A hot air balloon descends at a rate of 75 feet per minute. Find the time it will take the hot air balloon to reach the ground

103. ## Math

Joe is playing a game with a regular die if the number that turns up is even he will gain five times the number if it’s odd he will lose 10 times the number Joe rolled three express the result as an integer

104. ## Math

Enter your answer and show all the steps that you use to solve this problem in the space provided. Write a translation rule that maps point D(7, −3) onto point D'(2, 5). I just need someone to explain this to me and then give me an answer or an example

105. ## Social Studies

1. Which of the following best summarizes how the environment impacted the growth of the Maya? A. The Maya had to adapt to living in high elevations with thin oxygen**** B. The Maya had to learn farming techniques to clear the dense rain forest. C.The Maya

106. ## Social Studies

What did Siddartha Gautama do after seeing old age, sickness, death, and finally a holy man in the city streets?

107. ## Math

The roots of f(x) = (x^3-x^2-6x)/(-3x^2-3x+18) are mostly nearly:

108. ## Math

25x13= ____twenty fives ___twenty fives + ____ twenty fives = (____x25)+(___x25) =_____+_____ =_______

109. ## math

Hello I'm back..I am really fustrated on this one problem. Mr. Scruggs got some money for his birthday. He spent 1/5 of it on dog treats. Then, he divided the remainder equally among his 3 favorite charities. What fraction of his money did each charity

110. ## Math

A lady weighting 115 lbs is using a pair of high heel shoes. The area where the foot feels the most stress has a circular pattern with a diameter of 2.25 in. What is the stress exerted on one foot? a. 28.9 lbs/in^2 b. 51.1 lbs/in^2 c. 57.8 lbs/in^2 d.

111. ## Math

Lesson 6: Multiplication of Rational Numbers Math 7A Unit 4: Operations with Fractions and Rational Numbers -7/9 x 3/5 a. -27/45 b. -7/15 c. 7/15 *** d. 27/45

112. ## Math

Are these 2 equations the same? 5.6 x 10^9 and 56 x 10^8 when i did it out they were the same but i need someone elses opinion

113. ## Statistics

Students heights in inches were obtained as part of a study and a frequency distribution was constructed with the first class having a lower limit of 50 inches. The class widths are 6 inches. What is the frequency of the second class in the distribution?

114. ## Math

Allison has five times as many baseball cards as football cards in all she has 120 baseball and football cards how many baseball cards does Allison have

115. ## social studies

How did the location of the ancient cities of Harappa and Mohenjo-Daro contribute to their development? A. Their location was near major trade routes. B. Their location near rivers provided rich soil that produced plentiful crops. C. Their location allowed

116. ## Math

At the start of a party a bowl contains 16 pints of punch, guests drink 10 1/4 pints then the host adds another 7 1/2 pints to the bowl, how much punch is in the bowl now?

117. ## English

I am to write a speech to be delivered to honour my principal who is due for retirement at send-off party

118. ## math

Hello, I am studying for an exam on Monday. I am stuck on these 4 practice questions. 1) 60 students were asked about movies they had seen during the past month. 20 of the students had seen a comedy, 15 had seen a horror movie and 5 had seen both a comedy

119. ## math

The surface area and the volume of a sphere are both 3 digit integers times π. If r is the radius of the sphere, how many integral values can be found for r?

120. ## Math

Mr baker baked some muffins. If he packs them in boxes of 4, he will have 3 left over. If he packs them in boxes of 5 he will also have 3 left over. If he packs them in boxes of 6 he will have only 1 left over find the least possible number of muffins mr

121. ## Math

1. WATER At 2 P.M., the level of the water in the pool was 10 feet. At 6 P.M., the level of water was 2 feet. Find the constant rate of change of the water.

122. ## English

Identify the adverb clause and tell what it modifies. 1. Because the house had been vacant for so long, the lawn and garden were overgrown. 2. The grass in the front looked as if it hadn't been cut in months. 3. Ruth began mowing lawn while Lou and I

123. ## Chemistry

Really basic question - what exactly are core electrons? ENC (effective nuclear charge) has a formula: # of protons - # of core electrons = ENC Mg has 12 protons and 10 core electrons, giving it a ENC of 2+. How do I know that Mg has 10 core electrons?

125. ## Math

How do you find the GCF?

126. ## chemistry

8. Butane is burned in a lighter at a rate of 0.24 mol/min in the following reaction. 2 C4H10(g) + 13/2 O2(g) --> 4 CO2(g)+ 5H20(g) (a) What is the rate at which O2(g) is consumed and CO2(g) is produced? (b) How long does 15.0 g of C4H10(g) take to burn?

127. ## chemistry

given that magnesium hydroxide is a strong electrolyte and has lap of 8.9*10 calculate the solubility of magnesium hydroxide in water

128. ## Physics

If a machine moves a load of 800n through the distance 20cm. Calculate the work done by the machine taken that the load is the service force.

129. ## History

Hi I need help I hope you can help me :) 1.Which era of Texas history is most associated with the culture feeling of independence that many Texans held? A) Era of Reform B) Mexican Texas