# Questions Asked onOctober 21, 2019

1. ## Math

Can someone help me asap with this unit test Lesson 14: Equations and Inequalities Unit Test Math 7 A Unit 4: Equations and Inequalities

2. ## chemistry

Describe how you would prepare 0.05 mol.dm-3 sodium carbonate in a total volume 250 mls.

3. ## Science

A county commissioner wants to reduce the amount of waste sent to the local landfill. Wich of the following would result in the greatest reduction of waste? A. Composting food waste B. Recycling Glass, plastics, and metals C. Reusing rubber, leather, and

4. ## History

Drag and drop the country names to classify them by their majority religion. Here is what I think: Indonesia-----Buddhism Thailand--------CHRISTIANITY Malaysia------BUDDHISM the Philippines-----ISLAM

5. ## math

A farmer is going to divide her 50 acre farm between two crops. Seed for crop A costs \$50 per acre. Seed for crop B costs \$25 per acre. The farmer can spend at most \$2,250 on seed. If crop B brings in a profit of \$90 per acre, and crop A brings in a profit

6. ## English

1. Which element of plot matches the definition? the outcome of the conflict in a plot A. resolution B. exposition C. rising action D. falling action Please help... thank you!

7. ## algebra

You’ve decided to start your own business and sell handmade toys. You found an online supplier, Company A, where you pay \$11 for each of the toys plus \$10 shipping. You will sell the toys for \$13 each. Since you are just starting out, you can’t spend

8. ## Algebra

The volume of the cube is equal to four times the area of one of its faces. What is the volume of the cube?

9. ## Math

Which of the following expressions is 8x + 16 not equivalent? A. 2x + 5 + 6x + 11 B. 10x - 2x - 20 + 4 C. 2(4x + 8) D. 8(x + 2) (honestly i dont know what to choose)

10. ## Math

What is the range of this data set? 27, 5, 11, 13, 10, 8, 14, 18, 7 A. 22 B. 7.5 C. 11 D. 16

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11. ## Physics

You are driving at the speed of 31.8 m/s (71.1498 mph) when suddenly the car in front of you (previously traveling at the same speed) brakes and begins to slow down with the largest deceleration possible without skidding. Considering an average human

12. ## Music

Check my answers pls 1. Which tempo marking means "at a walking pace"? (1 point) a) andante ****** b) allegro c) presto d) moderato 2. In music, what does the term ritardando mean? (1 point) a) speed up over time b) slow down over time ******** c) perform

13. ## Health

1. Which digestive organ is the last organ food passes through before reaching your stomach? (1 point) pharynx epiglottis esophagus mouth 2. Starches and sugars belong to which class of nutrients? (1 point) carbohydrates fats proteins enzymes 3. A method

14. ## math

There are 96 students in a speech contest.Yesterday 1/4 of the gave their speeches.Today,1/8 of the remaining students gave their speeches. How many students still haven't given their speeches?

15. ## social studies

What was the purpose of the Article of Confederation? A. To establish the U.S. Constitution B. To establish a judicial branch to interpret the laws.*** C. To establish an executive branch to enforce laws D. To establish an alliance of states 1 point

16. ## math

Can you give me the answer and explain how u got it so I can know for further refrence. In the app you are creating, a duck is going to fly from the coordinates (1, 3) then go 3 units right. And 6 units down. Write a rule to describe the translation. What

17. ## Algebra

Angelo is trying to save up to buy the new iPhone 11. He has \$40 in his wallet. He decides to shovel snow off driveways for \$30 per house to earn some money. Which equation models the situation? 1. x = 40 + 30y 2. y = 40 + 30x** 3. y = 30 + 40x 4. x = 40

18. ## Science

What is the main difference between primary and secondary succession? A.) The climax of primary succession is a pine forest. B.) Primary succession begins with bare rock. C.) Secondary succession begins ith mosses and linches. D.)Secondary succession

19. ## science

Which of these BEST explains how the cell membrane helps animal cells grow and divide? It transports enzymes. It stores genetic information. It supplies the cell with energy. It controls materials that enter and exit the cell

20. ## History

1. Which of the following statements would describe the significance of the Battle of Kettle Creek? A. The British gained arms and ammunition B. The backcountry of Georgia fell under British control*** C. The morale of Georgia militia was lifted by this

21. ## math

Find the parabola of the form y=ax^2 +bx that shares a tangent line with the function y= (2x)/(x^2 +1) when x=1. Solve and show all steps.

22. ## Math

So I know that my number is 215, and this number is 80%. How do I figure out my total? I just want to know how to do it:)

23. ## math

The balance on a car loan after 4 years is \$8,996.32. The interest rate is 5.6% compounding annually. What was the initial value of the loan? An investment made in the stock market decreased at a rate of 4% per year for 5 years. What is the current value

24. ## Math

Why does it work to break apart a number by place values to multiply

25. ## Physics

A ball thrown vertically upwards from ground level hits the ground after 4s. Calculate the maximum height it reached during during it journey (g=10m/s2)

26. ## Math

Can someone explain me how to do it and write it out In the app you are creating, a duck is going to fly from the coordinates (1, 3) then go 3 units right. And 6 units down. Write a rule to describe the translation. What are the coordinates of the duck’s

27. ## History

What does Theravada Buddhism emphasize? A. the Buddha's compassion B. the Buddha's path of reincarnation C. the Buddha's wisdom D. the Buddha's history My answer is B Please check my answer

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28. ## math

Each of the following statements is false. Provide why the statement is false. 1) Every function that is continuous at x=a is differentiable at x=a. 2) The tangent line to y=f(x) when x=x0 is given by y=fprime(x0)x+f(x0). 3) The linerization of a function

29. ## Math

Which of the following is a statistical question? A. How many floors are in the Empire State Building? B. How many states are in the United States of America? C. How tall is the Washington Monument in Washington, D.C.? D. How old was each U.S. President

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30. ## Math

Use the list below to find the lower quartile. 27, 5, 11, 13, 10, 8, 14, 18, 7 A. 7 B. 7.5 C. 8 D. 8.5

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31. ## Algebra

Task 1- You want to start a summer business to earn money. What will you do? You have to consider how much money you can afford to invest in this business, how much it will cost you to make each item, and how much you’re going to charge for each item.

32. ## math

the discount of a hat is \$18. what is the regular price?

33. ## Language arts

Which element of plot matches the definition

34. ## Math

please check my answer determine the number of possible solutions if A=62, a=4 and b=6 I got B a)none b)one c)two d)three

35. ## MATH

A firework is set off from the roof of a building. Its height, h, above the ground in feet after t seconds is given by the function h(t)=-t^2+6t+16. How tall is the building? What is the maximum height of the firework? How long would it take the firework

36. ## Algebra

The perimeter of a rectangle is 100 feet and the length is 12 feet longer than the width. Find the length and width of the rectangle.

37. ## math

A bookstore had 70 copies of a magazine. Yesterday, it sold 1/5 of them. Today, it sold of what remained. How many copies does the bookstore have left?

38. ## Social Studies

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

39. ## English

PROJECT: ORAL REPORT Here is your goal for this assignment: Plan and compose an oral report for possible presentation Choose one of the following topics or makeup one of your own to write your oral report of at least 300 words. My Favorite Hobby You could

41. ## Science

What’s the difference between a dog and a human’s tibia?

42. ## Physics

Two masses, of 2.1 kg each, connected by a string slide down a ramp making an angle of 50° with the horizontal (see figure). The mass m1 has a coefficient of kinetic friction 0.60, and the mass m2 has a coefficient of kinetic friction equal to 0.40. Find

43. ## math

computer power has been doubling approximately every 2 years as more and smaller transistors has been integrated to build better computer chips. the number of transistors, T, in a chip has increased according to T=4500(2)^n, where n is the number of years

44. ## Math

Question 3 of 5 Use the list below to find the upper quartile. 27, 5, 11, 13, 10, 8, 14, 18, 7 A. 11 B. 13 C. 14 D. 16

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45. ## Math

Alicia has some hair braids her sister has a third as many hair braids as she does they have 1620 braids in all haw many braids does alicia have

46. ## math

A fireplace arch is to be constructed in the form of a semiellipse. The opening is to have a height of 3 feet at the center and a width of 8 feet along the base. The contractor cuts a string of a certain length and nails each end of the string along the

47. ## algebra

You’ve decided to start your own business and sell handmade toys. You found an online supplier, Company A, where you pay \$11 for each of the toys plus \$10 shipping. You will sell the toys for \$13 each. Since you are just starting out, you can’t spend

48. ## math

you have borrowed \$135,000 from the bank today. You are required to repay this money over the next six years by making monthly payments of \$2,215.10 at the end of each month. What is the quoted interest rate for the loan (with monthly compounding

49. ## math

The balance on a car loan after 4 years is \$8,996.32. The interest rate is 5.6% compounding annually. What was the initial value of the loan?

50. ## English

Charles couldn't stop thinking about the field day. There were all sorts of relay races. The funniest race was moving water from one bucket to another using only a sponge. The most interesting contest was spitting watermelon seeds. Charles won this contest

51. ## History

from Chapter VII, How To Govern, Chuang Tzŭ Chien Wu meeting the eccentric Chieh Yü, the latter enquired, saying, "What did Jih Chung Shih teach you?" "He taught me," replied Chien Wu, "about the laws and regulations which princes evolve, and which he

52. ## Social studies

Identify the effects of Math, Chemistry and Astronomy on Egyptian Society. How did each one help develop ancient Egyptian Society?

53. ## Chemistry

Consider the following reaction: 2NiS2+5O2--->2NiO+4SO2 a) How many moles of SO2 will be produced from 8.95 g of O2 b) How many grams of NiO would be formed from the reaction of 0.0125 mol of NiS2? c) How many grams of O2 are needed to completely react

54. ## Maths

A point p is 40km from q on a bearing of 61 calculate the place of north of q and east of q

55. ## science

In a breed of cats, black fur is recessive to calico fur. How is it possible that 2 cats with calico fur produce kittens with black fur? 1Both cat parents are heterozygous and passed on a recessive allele to the kittens. 2One cat parent had the recessive

56. ## math

A Dish TV satellite dish is the shape of a paraboloid. The dish is 42 inches wide, and 10 inches deep. How many inches should the receiver be located from the vertex for optimal reception? (round to the nearest thousandth)

57. ## math

How do I solve this equation? 13.5=3.1sin(360/365(x-79.95)+12.18

20 times 60

59. ## math

Suppose f(1)=1 and f'(x)≤2 for x≥0. Apply the MVT to the interval [1,x] to prove that f(x)≤2x-1 for all x>1. Verify all the conditions of MVT are satisfied.

60. ## 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

61. ## History

What were John Adams contributions to the Revolutionary War? Plz help i do not understand what it means i have already tried to look it up in my history book but it does not say anything about his contributions.

62. ## physics

question 1 - If Rojelio starts out at rest, and in 10 s speeds up to 50 m/s, what is his acceleration? A - 12 m/s^2 B - 8 m/s^2 C - 5 m/s^2 D - 15 m/s^2 question 2 - If Juan starts out at 10m/s, and in 15 s speeds up to 60 m/s, what is his acceleration? A

63. ## Physics

A block is at rest on the incline shown in the figure. The coefficients of static and kinetic friction are µs = 0.7 and µk = 0.59, respectively. The acceleration of gravity is 9.8 m/s^s. What is the frictional force acting on the 45 kg mass? Answer in

64. ## math

The variable y is directly proportional to the variable x. If y = 10 when x = 6, what is the value of y when x = 15? A) 20.5 B) 25 C) 30 D) 35

65. ## Math

Find the identity element of R vnder the operation*.

66. ## math

If a jacket costs \$71 and there is a 11% sales tax, how much will you pay for the jacket

67. ## math

The balance on a car loan after 4 years is \$8,996.32. The interest rate is 5.6% compounding annually. What was the initial value of the loan? An investment made in the stock market decreased at a rate of 4% per year for 5 years. What is the current value

68. ## Math

The stem-and-leaf plot shows the test scores of a science class. Use the plot to answer the question. How many students scored 78? A. 1 student B. 2 students C. 3 students D. 4 students

69. ## Math

What is a expression that shows how to multiply 4 times362 using place value and expanded form

70. ## Math

Solve the equation. Explain each step and identify the property used to reach each step. 0.6x + 0.8 = 1.4

71. ## English

Which sentence has correct subject and verb agreement? A)We be planning to celebrate all night. B)Both of my older sisters plays softball. C)The frogs croaks in the pond all night long *** D)Neither Carla nor Tim plays in the marching band. I got C but my

72. ## English

What are the principal parts of verbs? A. The base forms of verbs with no endings added ***B. The present, present participle, past, past participle form of verbs C. The most common forms of the most common verbs D. Action, linking, regular, and irregular

73. ## math

what are all the prime numbers between 15 and 25

74. ## Math

What is 700,000,000 + 600,000 + 5,000 + 100 + 80,000 + 1 + 40 + 60,000,000 in standard form?

75. ## Math

At Canada's Wonderland, a thrill seeker can ride the Xtreme Skyflyer. This is essentially a large pendulum of which the rider is the bob. The height of the rider is given for various times: Time(s) 0 1 2 3 4 5 6 7 8 9 Height(m) 55 53 46 36 25 14 7 5 8 15

76. ## Math

What is the interquartile range of this data set? 4, 5, 7, 9, 10, 14, 16, 24 A. 6 B. 7 C. 8 D. 9

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77. ## Jiskha

What is this homework help site when it's pretty much the answer site? Do you do anything about all the free answers? How do you delete them and stuff?

78. ## Chemistry

Which contains the greatest number of bromide ions? a) 100 mL of 1.0 M BaBr2 b) 50 mL of 2.0 M NaBr c) 20 mL of 2.5 M FeBr3 d) All contain the same number of chloride ions. How would I go about this question?

79. ## Math

At the zoo the polar bears are fed 0.1 bucket of a fish every day the penguins are fed 0.83 that Amount how much of a bucket are the penguins fed

80. ## Math

if i factor the expression 7x -89= 9 is 8 x or is it 9?

81. ## math

The third-tallest Ferris Wheel in the world is the London Eye in England.The height (in metres) of a rider on the London Eye after t minutes can be described by the function h(t) = 67sin [12(t + 0.0223)] + 70. a. At what time(s) will the rider be at the

82. ## Math

The graphs below show the number of honor roll students in each grade at Bridgeport Middle School. Which statement is true? Graph 1 Graph 2 Two bar graphs are shown. Both graphs are titled Honor Roll Students at Bridgeport Middle School. First graph: The

83. ## chemistry

Equilibrium expression: AgCl(s) ⇌ Ag+(aq) + Cl-(aq) KSP = 1.8 x 10-10 The solubility of AgCl in: i) pure water: ii) a 0.50 M NaCl solution solubility

84. ## math

A mass suspended on a spring will exhibit sinusoidal motion when it moves. If the mass on a spring is 85 cm off the ground at its highest position and 41 cm off the ground at its lowest position and takes 3.0 s to go from the top to the bottom and back

85. ## Maths

A model engine of length 12cm is built to a scale of 1:50.The length of the actual engine is?

86. ## math

A rectangular shaped desk has a length of 30 inches and a width of 24 inches. A desk with a similar shape has a length of 48 inches. What is the width of this desk?

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87. ## science

Study the diagram below and answer this question: What are the genotypes of each of the offspring in the F2 generation? 1.FF, FF, ff, ff 2.FF, Ff, ff, ff 3.FF, Ff, Ff, ff 4.Ff, Ff, ff, ff

Which of the following is the purpose of the italicized words in the magazine clipping? a. Indicates headings b. Indicate dialogue c. Indicate foreign words d. Indicate title

89. ## science

1.Carbon-14 is a radioactive isotope. What is an isotope? What is the approximate half-life of carbon-14?

90. ## Math

What is the interquartile range of this data set? 5, 5, 6, 7, 9, 11, 14, 17, 21, 23 A. 7 B. 9 C. 11 D. 13

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7x-x+4=

92. ## math

Alan paid \$1.12 for a dozen eggs at his local grocery store. Determine the cost of 3 eggs

93. ## physics

a car accidently roll offs cliff.As it leaves the cliffit has horizontal velocity of 13metre/second it hits the ground 60metre from the shore line to find the total time that the projectile hits the ground of cliff

94. ## English

REPORT: AUTOBIOGRAPHY Here is your goal for this assignment: Read and report on an autobiography Choose an available autobiography from your library. After reading the autobiography, write a report of at least 400 words about what you have learned. Use the

95. ## english

Question 13 of 18 Read the following passage from the Odyssey, in which the Cyclops has captured Odysseus and his men: "You are a ninny, or else you come from the other end of nowhere, telling me, mind the gods! We Cyclopes care not a whistle for your

96. ## Science

Pls break down this for me Compute the modulus of elasticity when a 50 mm long by 20 mm (0.020 m) diameter sample compresses 0.50 mm upon loading by a 20 N force

97. ## Calculus

Use the formula in Exercise 42 to find the curvature. x=acos(ωt), y=bsin(ωt) Exercise 42 formula: k = l(x' y'' - y' x'')l / (x'^2 + y'^2)^(3/2) This is what I did but don't know why my answer not correct. x'=-aωsin(t), y'=bωcos(ωt),x''=-aω^2cos(ωt),

98. ## History

Which of the following groups fought each other in the first two years of the Revolutionary War in Georgia? (1 point) Conservatives and Loyalists *Loyalists and Patriots Conservatives and Native Americans British soldiers and Minutemen 2. Which group did

99. ## chemistry

Equilibrium expression: AgCl(s) ⇌ Ag+(aq) + Cl-(aq) KSP = 1.8 x 10-10 The solubility of AgCl in: i) pure water: solubility = 1.3 x 10-5 M ii) a 0.50 M NaCl solution solubility = 3.6 x 10-10 M as KSP = [Ag+][Cl-]Total where [Cl-]Total = [Cl-]AgCl +

100. ## Chemistry

Is your sample of calcium carbonate pure

101. ## Math

An operation bar v on the set of real nvmbarsis defined by a bar b=3a+b-1 all over5 for all a,bER. a. Determine whether or not the set R is closed vnder bar v

102. ## math

peter notices that the corner cafe lists smoked salmon and poached eggs for lunch every friday. Since peter loves these foods he plans to eat at corner cafe every friday b a) deductive reasoning b)inductive reasoning c)analogical reasoning d)none

103. ## Math

ontili shared his money his three sons. The first son received 1/3 of the money, the second one got 1/5 of it and the third son got 1/4 of the remainder. If ontili remained with sh. 210000, how much did the first son received?

104. ## History

Which of the following was NOT a characteristic of Native American societies during the Mississippian Period? walled settlements with a complex political organization leisure activities such as tattooing, making arts and crafts, and smoking simple writing

105. ## Physics

You are driving down the highway late one night at 20 m/s when a deer steps onto the road 35 m in front of you. Your reaction time before stepping on the brakes is 0.50 s , and the maximum deceleration of your car is 10 m/s2 . How much distance is between

106. ## Chemistry

What is the charge of nitrogen? Is it N3+?

107. ## physics

A heat transfer of 9.0×10^5 j is required to convert a block of ice at 20°C.what was the mass of the block of ice

108. ## Math

X+1/2y=5.5 -1/8x+1/4y=.25 Using elimination

109. ## Maths

A man spends 3/8 of his money and still has rupees 720 with him. How much money did he have at first.

110. ## math

If the weather report predicts more than 20cm of snow in the mountains then Gunther will plan a ski trip. Tonight the weather channel predicts 30 cm of snow in the mountains. Therefore Gunther will plan a ski trip. I think its c a)inductive reasoning

111. ## chemistry

If you added 4mL NaOH 1 M to your 100 mL buffer, would it still be a usable buffer according to our conventions? Explain why or why not.

112. ## computer

Rachel has completed her assignments and wants to email her file to her instructor . She wants to rename her file according to the naming convection of her course . Which function key will help her rename the file .

113. ## math

how can you determine the coordinates of any image that is dilated with the center of dilation at the origin without graping explain your reasioning

114. ## Algebra

1/2 (8x-2) = 7x -2 + 3x

115. ## math

find a mathematical model for the verbal statement. p varies inversely as the square of r

116. ## Chemistry

The heat of combustion of carbon is -393.5kj/mol. Calculate the heat change, when 45.0g of carbon undergoes complete combustion given that c =12

117. ## science

A well-oiled machine has no friction.

118. ## Civic education

Discuss ways you can protect the interest of people when you become a leader

119. ## Early childhood

Which of the following play centers can be added to the block center?

120. ## Chemistry

Suggest other suitable indicators for determination of calcium trioxocarbonate (iv) content in chalk by back titration

121. ## english

Which of the following is an important theme throughout the Odyssey? A. hospitality B. royalty C. forgiveness **** D. innocence

122. ## geography

Why is Mexico called a developing country?

123. ## math

- 4d–3d+ - 4d+ - 7d