# Questions Asked onMay 10, 2018

1. ## Calculus

The velocity function (in meters per second) is given for a particle moving along a line. v(t) = 3t − 7, 0 ≤ t ≤ 3 (a) Find the displacement. -7.5 m (b) Find the distance traveled by the particle during the given time interval.

2. ## history

Which represents a major effect of changing US military policy on African Americans in the Korean War?

3. ## Calculus

Find a function f such that f '(x) = 3x3 and the line 3x + y = 0 is tangent to the graph of f. f(x) =

4. ## Calculus

Find f. f ''(x) = −2 + 12x − 12x2, f(0) = 9, f '(0) = 14

5. ## English

Read each sentence carefully, and then select the punctuation correction that must be made to that sentence. 1:A vegan a term that is a contraction of the word vegetarian is a vegetarian who consumes no animal or dairy products.(In this

6. ## Chemistry

A 4g sugar cube(sucrose: C12H12O11) is dissolved in a 350ml teacup of 80 degree water. what will be the molality of the sugar solution.

7. ## science

A coastline on Earth experienced a high tide at 6 a.m. At what approximate time will the next low tide occur, and why? 6 p.m., because the coastline will turn 90 degrees from the moon 6 p.m., because the coastline will turn 180 degrees from the moon 12

8. ## Calculus

The rate at which water flows into a tank, in gallons per hour, is given by a differentiable, increasing function R of time t. The table below gives the rate as measured at various times in an 8-hour time period. t (hours) 0 2 3 7 8 R(t) (gallons per hour)

9. ## science

The orbital radii of four planets in our solar system are shown in the following table. Orbital Radii Planet Orbital Radii (AU) W 5.2 X 0.72 Y 1.0 Z 19.1 Which planet is likely to experience the highest temperature? W X Y Z I think it is B.x but I am not

10. ## Geometry

d=12 h=18 What is the lateral surface area of the cylinder? A.12 pi cm B.18 pi cm C.216 pi cm D.288 pi cm

11. ## Math

A bag contains only red and blue marbles. Yasmine takes one marble at random from the bag. The probability that she takes a red marble is 1 in 5. Yasmine returns the marble to the bag and adds ﬁve more red marbles to the bag. The probability that she

12. ## English

Read each sentence carefully, and then select the punctuation correction that must be made to that sentence. 1:This means that my in laws do not eat any of the following: meat, cheese, yogurt, or ice cream. A:Change the colon after following to a comma

13. ## Calculus

Find the limit, if it exists. (If an answer does not exist, enter DNE.) lim x→∞ sqrt(25x^2 + x) − 5x

14. ## Geometry

Width=3 Lenght=17.2 Height=5.5 What is the lateral surface area of the rectangular prism? A.283.8 B.292.4 C.325.4 D.407

15. ## Calculus

Given that 1 x^2 dx=1/3, 0 use this fact and the properties of integrals to evaluate 1 (8 − 3x^2) dx. 0

16. ## precalculus

The first row of seating in section A of an arena has 7 seats. There are 25 rows in section A, each row containing two more seats than the row preceeding it. How many seats are in section A? How do you use geometric sequence to solve it?

17. ## Physics

The moon rotates about its axis every 27.3 days and orbits the earth every 27.3 days. A) what is the moment of inertia with respect to its axis? B) What is the moment of inertia with respect to the earth? C) What is the moons angular momentum with respect

18. ## Calculus

For Questions 1–2, use the differential equation given by dy/dx = xy/3, y > 0. 1. Complete the table of values x -1 -1 -1 0 0 0 1 1 1 y 1 2 3 1 2 3 1 2 3 dy/dx 2. Find the particular solution y = f(x) to the given differential equation with the initial

19. ## Math

A car traveled 281 miles in 4 hours 41 minutes.What was the average speed of the car in miles per hour?

20. ## Calculus

A bacteria population is 3000 at time t = 0 and its rate of growth is 1000 · 6t bacteria per hour after t hours. What is the population after one hour? (Round your answer to the nearest whole number.)

21. ## Math

Tri-Star Airlines intends to pay off a \$20,000,000 bond issue that comes due in 4 years. How much must the company set aside now, at 6 % interest compounded quarterly, to accumulate the required amount of money?

22. ## Calculus

At noon, ship A is 130 km west of ship B. Ship A is sailing east at 25 km/h and ship B is sailing north at 20 km/h. How fast is the distance between the ships changing at 4:00 PM?

23. ## Math

Natalia Sandino was given 750 shares of stock in the fitness center where she is employed as a salary bonus. The shares were valued at \$8.05 when they were placed in her stock portfolio. The shares paid quarterly dividends of \$.60 per share. After 7 years,

24. ## pre-calc

An auditorium has 24 rows of seats. There are n = 23 seats in the first row, 24 seats in the second row, 25 seats in the third row, and so on. How many seats are there in all 24 rows?

25. ## Calculus

A particle is moving with the given data. Find the position of the particle. a(t) = 2t + 5, s(0) = 2, v(0) = −4 s(t) = ?

26. ## Physics

Why are alpha and beta rays deflected in opposite directions in a magnetic field? Why are gamma rays not deflected at all? Why are alpha particles with the same velocity deflected less than beta particles?

27. ## Calculus

For the function f whose graph is given, state the following (a) lim x → ∞ f(x) (b) lim x → −∞ f(x) (c) lim x → 1 f(x) (d) lim x → 3 f(x) (e) the equations of the asymptotes (Enter your answers as a comma-separated list of equations.)

28. ## Math

You are visiting a friend in Coshocton and need to get to Cedar Point in Sandusky. These two cities are 106 miles apart. Using the scale of 3 cm = 50 miles, how many centimeters apart are the two cities? Make sure you label your answer. Round your answer

29. ## Math

Rob Morrisey purchased a \$1,000 bond that was quoted at 102.25 and paying 8 7/8% interest. How much did Rob pay for the bond? How much annual interest will be received?

30. ## Social studies

What is the answer to the social studies week 14 crossword

31. ## Math

Eight oranges cost gh¢15.00. how much will twenty oranges cost?

Chevy and Judith are purchasing a townhouse and finance \$154,200 with a 30 year 5/3 ARM at 6.45% with a 4/13 cap structure what will their payments be at the beginning of the 6th year assuming they are charged maximum interest rate for that year? a. 907.11

33. ## Science

Which of the following explains why objects in our solar system are in a spinning motion? A. The gravitational pull of the sun pushed objects into a spinning motion. B. The massive size of the sun made all other objects in space spin fast. C. Gravity

34. ## science

Certain high-frequency radiations are likely to cause harm to astronauts landing on Mars. A detector for which type of electromagnetic radiation is most suitable to study this harmful radiation on Mars? I think it is radio waves A. Infrared B. Radio waves

35. ## AP Calculus AB

lim |x-3|/x-3 x-->3^- A) 0 B) -1 C) 1

36. ## Chemistry

a hydrocarbon is burnt completely in excess oxygen. it is found that 1.00g of the hydrocarbon gives 2.93g carbon dioxide and 1.80g water. find the empirical formula of the hydrocarbon (H=1,C=12,O=16)

37. ## Math

644 students packed a auditorium students sat in rows of 12 rows were divided into 8 sections how many rows were in each section

38. ## Calculus

Find f. f ''(θ) = sin(θ) + cos(θ), f(0) = 4, f '(0) = 2

39. ## pre-calc

A hardware store makes a profit of \$41,000 during its first year. The store owner sets a goal of increasing profits by \$9000 each year for 4 years. Assuming that this goal is met, find the total profit during the first 5 years of business.

40. ## Calculus

Use the information in the image: imgur(.)com/a/YzAGLvs (Remove the parenthesis to use link) 1. On what interval is g increasing? Justify your answer. 2. For 0 Ã¢â€°Â¤ x Ã¢â€°Â¤ 6, express g(x) in terms of x. Do not include +C in your final

41. ## pre-calc

Find the indicated nth partial sum of the arithmetic sequence. 2, 10, 18, 26, . . ., n = 15

42. ## English

Plz I need some points to write on a debate for the motion boys should help in the kitchen

43. ## Science

Can somebody give me their simple definition (6th grade level) of a point source and pollution?

44. ## math

Find the partial sum without using a graphing utility. 100 2n n = 1

45. ## History

South Vietnam's Diem was a solid supporter of human and civil rights. True****** False I can't remember for sure. Thanks in advance!!!

46. ## U.S. History

During the presidency of Richard Nixon, the United States a) sought to protect human rights. b) sought to close the USSR out of world markets. c) retreated into relative isolation. d) worked for a reduction of tensions known as detente. e) none of the

47. ## Physics

A great physicist by the name of Richard Feynman said, "I think it is safe to say that no one understands quantum mechanics." What do you think he meant by this? Does this mean quantum mechanics is wrong? How can we know?

48. ## History

The Space Race during the Cold War a) became a matter of national pride for only the Soviet Union b) became a source of fierce competition between European powers c) was used by U.S. politicians to distract attention from other policy successes d) had

49. ## math

A ball and a box weigh 900 grams. Two identical balls and the same box weigh 1.35kg. What is the mass of the box? How do I work this out?

50. ## Social Studies

I have to write a poem about life in Carribien South America today. But the problem is I can't find any good sources and credible sources, and even if I did have some I don't know how to start writing a poem. Could you give me some sources for it, and an

51. ## Algebra

At the new Cozy Inn Restaurant, which is still under construction, the owners have hired enough waiters and waitresses to handle 17 tables of customers. The fire marshall has looked at the plans for the restaurant and says he will approve it for a limit of

52. ## Ratios, Rates, and Proportions

Max makes a scale drawing of distance between Salt Lake City and Arizona. The distance between Salt Lake City and Arizona is 24.8 cm. If each 7 cm on the scale drawing equals 250 miles, how far apart are the Salt Lake City and Arizona? Please Give answer

53. ## geography

What is the name often given to the 25,000 or more islands spread across the Pacific Ocean? Pacific Islands?

54. ## Calculus

Evaluate the integral by interpreting it in terms of areas. bounds from -1 to 0. 3+sqrt(1−x2) dx

55. ## Music

It is common for a Baroque piece of music to A. slow down and speed up. B. remain constant in tempo.***** C. limit the amount of chords used. D. be performed mainly on brass instruments. Which of the following is true about Baroque music? A. It has long

56. ## computers

Which logging category does not appear in Event Viewer by default? System Security Volume Application

57. ## English

Select correct if the sentence is punctuated correctly. Select incorrect if it is not. 1:Having just broken up with her boyfriend (whom she had known since elementary school), Tasha was not ready for another long-term relationship. Correct*** 2:Jim Thorpe

58. ## maths

eric scored 82 ,74,and 90 in three test . what mark should she score in the fourth test , so that her average mark for the fourth test would be 85

59. ## Pre-Algebra

Jamal writes the letters K-A-N-S-A-S on cards and then places the cards in a hat. What is the probability an N? 1/3 1/5 5/1*** 6/1 Jennifer writes the letters M-O-N-T-A-N-A on a cards and then places the cards in a hat. what is probability of picking an N?

60. ## Calculus

If m ≤ f(x) ≤ M for a ≤ x ≤ b, where m is the absolute minimum and M is the absolute maximum of f on the interval [a, b], then b m(b − a) ≤ f(x) dx ≤ M(b − a). a Use this property to estimate the value of the integral. 9 4Sqrt(x)dx 0

61. ## science

A hawk building its nest on an arm of a saguaro cactus is an example of

62. ## Math

A trip from Ohio to new york is 529 miles. what equations show the times t it takes by car if r is the average speed during the trip? t=529/r*** t=529r r=529t t=r/529

63. ## Calculus

Suppose f and g are continuous functions such that g(7) = 6 and lim [3f(x) + f(x)g(x)] = 18. x → 7 Find f(7).

64. ## Physics

The electron-volt is _____ than the SI unit for the same physical quantity. a. smaller b. greater

65. ## Science

How do clouds form? (No links, please, just a few facts, I've done half of this question) All weather occurs in Earth's _______. thermosphere troposphere*** stratosphere exosphere Because of their shape when seen from the ground, tornadoes are sometimes

CASE STUDY

67. ## Math

Sarah is standing next to the flag pole waiting for her friends. The flagpole is 42.9 feet tall and casting a shadow of 253.1 feet long. There a sign by the flagpole challenging visitors to find the length of their shadows. Sarah is 5.4 feet tall. What is

68. ## Calculus 2

Convert r = 1 / (6cos(θ)+8sin(θ)) to an equation in rectangular coordinates (i.e., in terms of x and y). A similar example I found, where r = 1 / (cos (θ) − sin (θ)), found the rectangular equation to be y = x - 1. How would this answer change for my

69. ## Math

You own a thriving restaurant but want to change careers. Your brother offers to buy the business with the following monthly payments: \$2,750 at the end of each month for 4 years, followed by \$3,000 at the end of each month for 3 years. Assuming that you

70. ## Trigonometry

I need to solve the rest of the triangle A=126.5 a=17.2 c=13.5 Using the Law of Sines we get a/sinA = c/sin C 17.2/sin126.5 = 13.5/sinc I am confused on what to do next

71. ## Math

Jason and Coretta Bradley got a \$206,000, 20-year mortgage loan at 5.35%. Find the amount of the final payment on this mortgage.

72. ## Chemistry

CH3OH(aq) + OH-(aq) ⇌ CH3O-(aq) + H2O(l) If methanol has pKa = 18.3, what is pKb for its conjugate base?

I'm doing this math test and I have a border line A on my grade I need to make sure I don't lower my grade to a B, so any help is appreciated. Thanks! 7. The probability of winning a game is 25%. How many times should you expect to win if you play 20

74. ## Biology

I need help in bio anyone take bio B I’m desperate

75. ## Misc

I have to find the answer to this for tomorrow's assignment. I turn but have no legs or wheels and am often lost in plain sight

76. ## Calculus

Suppose y = sqrt(2x + 1), where x and y are functions of t. (a) If dx/dt = 15, find dy/dt when x = 4. dy/dt = ?

77. ## Pre-Algebra

1. 16x^2 + 2 + 2x - 15x^2 - 1 + 14x A. 31x^2 + 16x + 1 B. x^2 - 12x + 1 **** C. x^2 + 16x + 1 D. x^2 + 16x + 2 2. 2x^2 + 8 - 4x + 3x - 6x^2 + 7 A. -8x^2 - 7x + 15 B. -4x^2 - x + 15 **** C. 4x^2 + x + 15 D. 8x^2 + 7x + 15 3. 4x^2 + 8x - 11x + 6 - 5x^2 + 2

78. ## Literature

You have plagiarized if you have * A. No page numbers where you found the facts, no quotation marks around quotes, no source credited with providing you with the information, and no work cited page. B. Quotes around the author’s ideas, no in-text

79. ## math

cFind the slope of the line passing through the points −3, -8 and 4,6 .

80. ## Math

In triangle ABC, the measure of ∠B is 90°, BC=16, and AC=20. Triangle DEF is similar to triangle ABC, where vertices D, E, and F correspond to vertices A, B, and C, respectively, and each side of triangle DEF is 1/3 the length of the corresponding side

81. ## Math

23. Suppose the number of expert gamers in California is 52,400 and is growing 20% each year. Predict the number of experts after 5 years. 24. The population of bacteria in your messy room is 36,725 and is growing at a rate of 11% each month. What would

82. ## physics

A force of 30 Newtons is used to elongate a spring a distance of 9 cm. A) What was the coefficient of elasticity of the spring? B) How much work must be done to elongate the spring a distance of 18 cm.?

83. ## physics

If you have a mass of 60 kg and are shot out of a cannon at 30 m/s A) what height will you reach according to the conservation of energy? B) what is your total energy?

84. ## social studies

who did the shiites and sunnis believe should be leader

85. ## chemistry

how many milliliters of the acetic acid (density:1.049g/ml)must be adding to 465m l of a 0 .0941m sodium hydroxide to obtain a buffer?

86. ## Math

If start time is 7:41pm and end time is 8:50pm. What is the elasped time