# Questions Asked onApril 1, 2020

1. ## Maths

divide 405 in the ratio 3:12 give your final answer in the form ... and ...

2. ## trigonometry

Find all solutions 4sin^(2)x - 4sin(x) + 1 = 0

3. ## math

If p varies inversely with q, and p=2 when q=1, find the equation that relates p and q.

4. ## Math

In a farm, on average every 6 cows produce 108 litres of milk per week. In five weeks the cows produced 2160 litres of milk. How many cows are in the farm?

5. ## Maths

Helen has some black tiles, some white tiles and some grey tiles. She places a single row of 8 tiles above her washbasin. Each tile she places is equally likely to be black, white or grey. Find the probability that there are no tiles of the same color next

6. ## physics

a pedestrian is running at his maximum speed of 6.0 m/s trying to catch a bus that is stopped at a traffic light. when he is 16m from the bus, the light changes and the bus pulls away from the pedestrian with an acceleration of 1.0 m/s^2. does the

7. ## Math

(8x-2y)+(3x-4y) Can you simplify this?!

8. ## Chemistry

Please help! The vapor pressure of water at 35 oC is 42.175 mm Hg. The vapor pressure of ethyl alcohol (C2H5OH) at 35 C is 100.5 mm Hg. What is the vapor pressure of a solution prepared by dissolving 250 g of C2H5OH in 375 g of H2O? The answer is

9. ## Pre-Calculus

If sinA=3/5 when pi/2 < A < pi and cosB=5/13 when 3pi/2 < B < 2pi, find the exact value of the function cos(5pi/6+B).

10. ## algebra

9. Determine if the set of ordered pairs represents a function. Explain why or why not. (2 points) {(-4,4),(-2,2),(0,0),(-3,-2)} I personally think that there is a function but idk for sure.

11. ## English

This article is Legend of Oedipus by Commonlit Staff One question asked me what the theme of The Legend of Oedipus I said free will and fate part B is asking for a quote the choices are A. “Many years later, Oedipus is told by a drunk that Polybus is not

12. ## Math

The speed of light in a vacuum is 299 792 458 m/s what is this written in scientific notation

13. ## Geography

Why is the battle of midway considered a turning point in word war 2

14. ## chemistry

Which of the following is true? A. HF does not ionize in water to any extent. B. All are true C. HF ionizes equally in a solution of KCl as in pure water. D. HF ionizes more in a solution of NaF than in pure water.

15. ## Biology

Two heterozygous purple-stemmed plants are grown. Each parent has the genotype ANL/anl. Pollen from one of the plants is used to pollinate the other, and the resulting seeds are harvested. What traits would you expect in the plants grown from these seeds?

16. ## science

Suppose that the local temperature changes in favor of greater oxygen levels in the water. Write a short paragraph to describe how both the population of the small fish species and the wading bird population would change in response to the new oxygen

17. ## Geometry

a wooden pyramid is to be cut into.parts of equal weights by a plane parallel to its base. find the ratio of the heights of the two parts

18. ## english

Why is it important to find thorough evidence for inferred meaning in an informational text? to make sure that the evidence directly relates to the inference to check that the author did not include the explicit meaning to ensure that all parts of the

19. ## Forensic Science

You are on the steep edge of the Grand Canyon, which is miles deep. You fire an arrow at an 89-degree angle towards the canyon (nearly straight up, with no hope of reaching the other side) Describe the arrow’s trajectory, in particular noting

20. ## Math

A map uses the scale 1.5 cm = 25 mi. Two cities are 190 miles apart. How far apart are the cities on the map? A. 0.21 cm B. 11.4 cm C. 2,917 cm D. 6,563 cm

21. ## Physics

It takes 3.78 J of work to stretch a Hooke’s-law spring 14.2 cm from its unstressed length. How much the extra work is required to stretch it an additional 11.2 cm? Answer in units of J.

22. ## Physical science

The gases in air dissolve in water. What would be one way to reduce the amount of a gas dissolved in water? A. add more water B. reduce the air pressure C. increase the air pressure** D. stir the water

23. ## Geometry

A wooden pyramid is to be cut into 2 parts of equal weights by a plane parallel to its base. Find the ratio of the heights of the two parts.

24. ## Statistics

In the Dominican Republic in August, the distribution of daily high temperature is approximately normal with mean 86 degrees Fahrenheit (°F). Approximately 95% of all daily high temperatures are between 83°F and 89°F. What is the standard deviation of

25. ## English

Sentence: Meanwhile, a messenger reveals that Oedipus was, in fact, adopted. Jocasta, finally realizing Oedipus’ true identity, entreats him to abandon his search for Laius’ murderer. PART A: What does the word “entreat” most closely mean as it is

26. ## Math

I got this question`and I need help. The product of a 3 digit number and a 1 digit number is 3714. What is the 3 digit number?

27. ## Math

Harley bought a one year \$1000 treasury bond. He paid \$950 for the treasury bond. What is his rate of return? 0.053% 5% 5.3% 53%

28. ## Math

A triangle has an area of 9 square feet. The height is 6 feet. What is the length of the base?

29. ## chemistry

You're tasked with helping the world record holder for PIZZA eating. He complains of indigestion. What would you suggest that he does to the Alka Seltzer to find instant relief? Using what you know about increasing the rate of the reaction (making the

30. ## Math

The drawing is composed of a rectangle and a semicircle and a semi circle. Find the area of the figure to the nearest unit (Top of figure 10cm and the side is 16cm) A. 160 B.260 C. 540 D. 580

31. ## Social studies

Which statement best explains why rising sea levels are a serious problem for Pacific islands? A. Tourists do not want to visit islands with coastal erosion. B. Some islands are at risk of disappearing completely. C. The higher temperatures associated with

32. ## Math

Six people working for 5 days were paid a total of sh 6000. How much more money could the same number of people be paid for 12 days?

33. ## chemistry

Calculate the moles of NH3 produced when 0.75 moles of N2 react.

34. ## Chemistry

How do I obtain a sample of solid sugar in a mixture?

35. ## Careers

What Kind of career path can i take with this subject after high school

36. ## PHYSICS

A train 100 m long is to cross a river bridge of length 800m. What time will it take to cross the bridge? Given the train moves with a constant speed of 36m/s.

37. ## Maths

adam's small business made \$500 this week. He spends \$210 on food a d bills. Later he puts 5/6 of the remaining money into the business account and keep 1/4 for himself. He was then paid \$50 by a customer for a previous debt. How much money does he have

38. ## Chemistry

What is the percent dissociation of ascorbic acid if the solution has a pH = 5.50 and a pKa= 4.10? The answer is 96% but I keep getting 1500%

39. ## Math

Express 5x³+9x²–8x–11 in the form (x–1)(x+2)Q(x) + rx + s, find the values of r and s.

40. ## Physics

A voltage of resistance 500ohms calibrated read 1ohm per division. If the instrument is required to read 10ohm per scale division, what series resistance must be connected to it

41. ## maths

Adam's small business made \$500 this week. He spends \$210 on food and bills. Later he puts 5/6 of the remaining money into the business account and keep 1/4 for himself. He was then paid \$50 by a customer for a previous debt. How much money does he have

42. ## Science

Which of the following is a key abiotic factor in rivers A: number of fish B: the amount of salt C: how animals adapt D: speed of water

43. ## Maths

A girl buy x pencils at \$6 each and y pencils at \$9 each if she spends \$105, 1. Write down an equation to represent the information

44. ## civics

limitations of human rights

45. ## Biology

Is there really such thing as male and female cells? I'm pretty interested in the human body (not in a weird way) and would like to be a doctor when i grow up. So i would like to know more about the body. (i'm not 100% sure if this counts as a HOMEWORK

46. ## Science

what is the process of producing more offspring than can possibly survive called?

47. ## Science

I am confused as to what the order: gametes, sporophyte, gametophyte, zygote and spores goes in like which comes first- last could someone help me understand this more?

48. ## Math

there were 35 student in gym class.if they were separated in to teams of 7, how many people would be on each team. what is the number model you used to sove this? please use a drawing to show your work.[4oa2]

49. ## Science

2C8H18(ℓ) + 17O2(g) ⇌ 16CO(g) + 18H2O(ℓ) ΔH < 0 What is the activation energy for the forward reaction?(4)

50. ## English

What is the analogy for "O captain, My captain"

51. ## Calculus 1

A 440-unit hotel is trying to determine their daily rates. From experience, the hotel manager knows that all rooms are typically occupied when the daily room rate is \$92. Market research indicates that for every increase of x dollars in the daily room

52. ## Social Studies

Which of the following best describes the effect globalization has had on some American and Canadian workers?

53. ## Spelling

Storm is to weather as outgoing is to

54. ## Math

Determine the area of the following shape: 4x+8 ⬜ 2 That is a rectangle 4x+8 is on the top and 2 is on the right side. Please help

55. ## Science

I am confused as to what I order gametes, sporophyte, gametophyte, zygote and spores goes I. Could someone help me understand more?

56. ## Arithmetic

Sandy bought 630 crayons that came in packs of 15 how many packs of crayons did sandy buy

57. ## math

what is the product of 10 and 9√24 in simplest form

58. ## Math

2. Barry asked 40 random students at his school to name their favorite ice cream flavor. Of the 40 students he asked, 25 of them preferred chocolate. Based on Barry's results, how many of the 1,200 students in the school most likely prefer chocolate ice

59. ## Geometry

Write the standard equation of a circle with the center at (6,8) that passes through the point (-1,4)

60. ## math

Three cards are drawn at random without replacement from a standard deck of 52 playing cards. Find the probability that the second card is a spade, given that the first card was black.

61. ## Social Studies

Which of the following American Indian culture groups was most likely to use canoes?

62. ## math

Given that a­­^b=x evaluate the following: a^(b+2)

63. ## math

A red light flashes every 2 minutes and a blue light flashes every 3.5 minutes. Suppose both lights flash together at noon. What is the first time after 1 p.m. that both lights will flash together?

64. ## chemistry

2KClO3 → 2KCl + 3O2 How many moles of oxygen are produced if 4 moles of potassium chlorate decomposes? 4?

65. ## math

454.4 rounded to the nearest gram

66. ## calculus

Find the function f(x) described by the given initial value problem. f′(x)=6x,f(1)=0 6^x dx = 1/ln(6) * 6^x + C

67. ## English

Which form of poetry best describes this poem. A. limerick B. lyric poem C. haiku D. free verse The poem is called The Tide Rises, the Tide Falls by Henry Wadsworth Longfellow. 1 The tide rises, the tide falls 2 The twilight darkens, the curlew calls; 3

68. ## Geography

How early New Guineans different from Australia’s first people? A. They were among the first people to discover farming B. They lived by hunting,fishing, and gathering ~~ C.They were divided into hundreds of distinct ethnic groups D. They migrated to the

69. ## Chemistry

if 460cm³ of sulphur(iv) oxide, can diffuse through porous partotion in 30seconds, how long will (a) an equal volume

70. ## science

what is biological classification

71. ## Math

{3x-2y=10 {-1.5x+y=5 these are part of the same question i was wondering how the heck i solve this i have been stuck on this for hours and keeping getting dead ends and i cant you a graph.

72. ## chemistry

write a skeleton equation for aluminum(s)+iodine(s) ->aluminum iodide(s)

73. ## Algebra

Which number is a solution of inequality 10

74. ## calculus

Consider the function f(x)=x^4+2sqrt x. Let F(x) be the anti-derivative of f(x) with F(1)=-9. Then F(x)= ?

75. ## Math

4,989 rounded to the nearest gram

76. ## Algebra

A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = –0.04x2+ 8.3x + 4.3, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters,

77. ## English

What is the best way to combine the following sentences using a participial phrase? The crowd encouraged the team. The team scored 10 points A. The crowd encouraged the team to score 10 points. B. When the crowd encouraged the team, they scored 10 points.

78. ## English

Which of the following sentences contain an infinitive phrase? A. We hope to visit the poet's birthplace. B. Eduardo recited the lines to me. C. To Jenny, the Poem sounded false. D. The writer paid tribute to his parents.

79. ## calculus1

A baseball team plays in a stadium that holds 68000 spectators. With the ticket price at \$8 the average attendence has been 29000. When the price dropped to \$5, the average attendence rose to 34000. Assume that attendence is linearly related to ticket

80. ## Math

The angle measures of a triangle are 2x+5 degrees, 6x-5 degrees, and 7x degrees. What is the value of x? X=10. X=12. X=15. X=29.

81. ## Science

Is it true that Sounds are transmitted through waves?

82. ## Pre-Calculus

Hello, I need a bit of help with the following problem: If sinA=3/5 when pi/2 < A < pi and cosB=5/13 when 3pi/2 < B < 2pi, find the exact value of the following equations: cotB = sin2A = tan(A-pi/4)=

83. ## math

write a measurement division story problem for 5\12 divided by 1\6

84. ## Math

A bag of flour weighs 2.5 kilograms. If 1 bag makes 5 loaves of bread, how many grams of flour are needed for each loaf? A .5 grams B 5 grams C50 grams D500 grams

85. ## math

the área of a playground is 140 square yards. the width of the playground is (x+4) yards and the length is (x) yards. write an equation to represent the area of the playground. The length of the playground is _____ and the width is _____.

86. ## Physics

In an arcade game a 0.117 kg disk is shot across a frictionless horizontal surface by compressing it against a spring and releasing it. If the spring has a spring constant of 229 N/m and is compressed from its equilibrium position by 5 cm, find the speed

87. ## Math

What are the mean, median, mode and range of the data set given the altitude of lakes in feet: -12, -9, -14, -39, -49, -49, -18, and -43?

88. ## Physics C

A charged sphere with an initial speed v0 has a final speed 2v0 when accelerated through a potential difference ΔV0 . What potential difference is needed to accelerate the same charged sphere from an initial speed 2v0 to a final speed 4v0 ?

89. ## Science

I can't find this anywhere and I just have one question well actually two. Important question: what have engineers found out about the topic of robots picking up trash? Non Important(Still answer tho if you can) Where did ms. sue go?

90. ## Physics

An archer shoots at an angle of 11 degrees from the horizontal at an initial speed of 31.8m/s. Ignoring air resistance, determine a) the time it will take for the arrow to strike the ground b) the range of the arrow

91. ## physics

the symbol for acceleration is a and the symbol for time is t if a = 23t^2 and t is ≥ 0, then what is t?

92. ## pre calculus

a certain radioactive element has a half life of 31.2 years. in how many years will contamination reach 32% of the original contamination?

93. ## physics

a plane travelling north has a landing speed of 75.6m/s. after touch down it has 787m long runway to reduce its speed to 15.9m/s. calculate average acceleration of the plane during landing taking the direction of the plane travels as positive

94. ## Pre-Calculus

Hi, I need a bit of help with verifying identities. The problems are as follows: sinx+cosx/cotx+1=sinx sin2x/sin - cos2x/cosx=secx 1-tan^2θ/1+tan^2θ=cos2θ

95. ## precalculus

Suppose that f is a Mobius transformation such that f(1)=i, f(i)=-1, and f(-1)=1. Find the value of f(-i).

96. ## chem

What is the equilibrium concentration of carbon dioxide in water that is in contact with air at 25 °C and 4.17 atm. The mole fraction of CO2 in air is 3.01×10-4. The Henry's law constant for carbon dioxide is 4.48×10-5 M/mmHg.

97. ## Social Studies

Drag each government power to the correct branch of Roman government. enforced the law controlled foreign policy passed the laws elected magistrates Boxes + awnsers: Assemblies: elected magistrates Senate: passed the laws Magistrates: enforced the law

98. ## pre calculus

the population of a city is given by 3000e^(kt), where t = 0 corresponds to the year 1960. in 1950 the population was 2400. Find k to the thousandth place, and predict the population in 2015.

99. ## Math

got an odd one a person is being chased by a wombat is running in a straight line towards a tree at a speed of 5.04m/s where the tree is (d) distance away from the person The wombat is 29.3 m behind the person running at a speed of 9.21m/s If the person is

100. ## precalculus

The Mobius transformation T(z)=(az+b)/(z-1) maps unit circle onto the line Re(z)=3 in such a way that the interior of the circle is mapped to the left of the line and that the origin gets mapped to 2+i. Find a.

101. ## Physics

A(n) 19 g object moving to the right at 39 cm/s overtakes and collides elastically with a 36 g object moving in the same direction at 19 cm/s. Find the velocity of the slower object after the collision. Answer in units of cm/s.

102. ## Math

The scale of a building plan is 1:200. What length, in cm, on the plan represents 5 meters of the building?

103. ## Ethics

Respond to the following as utilitarian ethicists: How shall we reason through to the decision of the law enforcement authorities at the 1972 Munich Olympics? How are we to balance protecting people versus allowing people to participate in and enjoy an