# Kennedy

Popular questions and responses by Kennedy
1. ## History

Which option accurately describes the impact the Columbian Exchange had on the indigenous people of the Americas? A. The Columbian Exchange enabled the trade of the coca plant, which was later made into an early form of cocaine. B. Europeans brought

2. ## History

What was the purpose of the West India Company? A.to trade African slaves in the West Indies B.to promote free trade between India and Great Britain C.to colonize the eastern shores of India D.to trade American Indian slaves in Portugal and Spain

3. ## PHYSICS

Explain the statement the capacitance of a capacitor is 5microfarads

4. ## math

You’re piloting an airplane. To prepare for landing, you change the plane’s altitude from a feet to c feet. What expression always represents the distance between the two altitudes?

5. ## Physics

A boat travels at 15 m/s in a direction 45° east of north. The boat then turns and travels at 18 m/s in a direction 5° north of east. What is the magnitude of the boat’s resultant velocity? Round your answer to the nearest whole number. What is the

6. ## Math

The marsh family took a vacation that covered a total distance of 1356 miles. The return trip was 284 miles shorter than the first part of the trip. How long was the return trip? My answer is 1356-284= 1072

7. ## chemistry

What would be made if hydrogen sulphide gas was bubbled through a solution of zinc nitrate

8. ## science

Why is tert. butyl chloride being washed with aqueous sodium hydrogen carbonate

9. ## discrete math

if you have 5 signal flags and can send messages by hoisting 1 or more flags on a flagpole, how many messages can you send? please help!!

10. ## Math-reasoning

A farmer wants to build a straight fence with a post every 7 feet. Each end has a post. For a fence that is 49 feet long, how many posts will the farmer need? Describe the quantities given Tell how you can show the relationships in the problem Solve and

11. ## physics-major help!

the object hung from the cable has a weight of 25 N. write the equation for the sum of the forces in the y-direction. what is the tension i nthe cable? has a 30 degree angle. how do i do this pleasee help i don't understand at all!

12. ## math

The main span of a suspension bridge is the roadway between the bridge's towers. The main span of the Walt Whitman Bridge in Philadelphia is 2000 feet long. This is 600 feet longer than two-fifths of the length of the main span of the George Washington

13. ## physics

a bus moving at 20m/s slows at a rate of 4m/s each second. how far does it travel while braking. i found the time which was 5 seconds. A car accelerates from rest at a rate of 5 m/s/s for a period of 4.2 seconds and then moves at a constant speed for 8

14. ## math

how do you write 2.78 in expanded form ?

15. ## math

A bag contains the following marbles:6 red,4 orange,3 yellow,2 blue and 5 green. You choose a marble at random and do not replace it. Then you select another marble. P(red,then blue)3/95 P(orange,then blue) 2/95 P(blue,then yellow) 3/190 P(red,then yellow)

16. ## Math-soh cah toa

A bridge is 140m long.From the ends of the bridge, the angles of depression of a point on the river under the bridge is 41° and 48°. How high is the bridge above the river to the nearest meter. ( I know the answer is 68m, I just need to know how to get

17. ## physics....

1) Yellow light that has a wavelength of 560 nm passes through two narrow slits that are 0.300 mm apart. An interference pattern is produced on a screen 160 cm distant. What is the location of the first-order maximum? 2) A communication satellite is

18. ## physical science

is it possible for people of different masses to have the same power output? Explain

19. ## algebra

Bisi and fibie ages add up to 29 seven years ago bisi was twice as old as fibie find their present ages

20. ## algebra

A rectangle with sides 8 cm and 6 cm and one with sides 10 cm and 9 cm. Find the ratio of the perimeter and the areas of each pair of figures.

21. ## Math

A boat is 300m away from the foot of a cliff. The angle of elevation from the boat to the top of the cliff is 16 degrees. a) Determine the height of the cliff to the nearest meter. b) If the boat sails 75 m closer to the cliff, determine , to the nearest

22. ## English

Write a letter to your friend in another school describing at least three thing that you like and dislike

A)If a license plate consists of 2 letters followed by 3 digits or 3 letters followed by 2 digits, how many license plates can be created? B)You are given an exam with only 9 questions. if each question has 4 choices, howmany different possible answers can

24. ## maths

The first 3 term of an AP are x,2x+1 and 5x-1 find x and the sum of the first 10 terms

25. ## Social Studies/History

1. Compare and contrast Northern and Southern populations, industries, resources and goals in the Civil War. In your response, break down the advantages and disadvantages of both the North and the South by evaluating the each side’s population, industry,

26. ## Math

Suppose you purchase 3 identical T-shirts and a hat. The hat costs \$19.75 and you spend \$56.50 in all. How much does each T-shirt cost? My answer 56.50- 19.75= 36.75 36.75/3=12.25 each

27. ## discrete math

in how many ways can 4 different prizes be given to any 4 of 10 people if no person receives more than 1 prize? help please and explain!!!!!!

28. ## History

We, whose names are underwritten, the Loyal Subjects of our dread Sovereign Lord King James…Having undertaken for the Glory of God, and Advancement of the Christian Faith, and the Honor of our King and Country, a Voyage to plant the first Colony in the

29. ## science

It is Summer for a city located in the Northern Hemisphere. Each day the amount of daylight varies slightly, but it is about 12 hours and 30 minutes. Which latitude is this city located at? 90 50 70 20

30. ## math

A regular hexagon is inscribed inside a circle. The circle has a radius of 12 units. A: What is the approximate measure of the apothem of the hexagon? B: What is the approximate area of the hexagon? Can someone help me?

31. ## Math

A boat is 300m away from the foot of a cliff. The angle of elevation from the boat to the top of the cliff is 16 degrees. a) Determine the height of the cliff to the nearest meter. b) If the boat sails 75 m closer to the cliff, determine , to the nearest

32. ## Calculus

Let f(x)=1x^3+2.5x+3. In this problem you will estimate f'(-3) by computing the average rate of change of f(x)over a small interval. Round your answers to three decimal places. 1. First choose the interval of length .1 with -3 being the left endpoint of

33. ## math

Find the six trigonometric functions for an angle in standard position whose terminal ray passes through (5, -2).

34. ## Chem

A student reacts 57g of salicylic acid with 21 mL of acetic anhydride producing 10.5g of acetyl salicylic acid. What is the percent yield of the reaction?

35. ## physics

The electric potential in a certain region is V = a x2 + b x + c, where a = 14 V/m2, b = −19 V/m, and c = 61 V. Determine the position where the electric field is zero. Answer in units of m Please help!

36. ## discrete math

Nine people on a baseball team are trying to decide who will play which position. a. in how many different ways could they select a person to be pitcher? b. after someone has already been selected as pitcher, how mandy different ways could they select

37. ## Schuelke

A sample of an ore of iron, hematite, is 70% Fe2O3. How much iron is there in 5 kilograms of the ore? Answer in units of g.

38. ## 7th grade math honors

The total cost for renting a kayak is represented as 25+5.50m. What is the constant in the expression 25+5.50m? Show work.

39. ## Math

Sam's cat can run 45 feet per second about how fast is that in miles per hour

40. ## math

The lists below show the players who will be competing in two different games.Both games are pure chance;it is equally probable for any player to with either game. Game 1:Jen,Fred,Monique,Darryn Game 2:Craig,Sarah,Yvonne,Allan What is the probability that

41. ## Math stem question

The main span of a suspension bridge is the roadway between the bridge's towers. The main span of the Walt Whitman Bridge in Philadelphia is 2000 feet long. This is 600 feet longer than two-fifths of the length of the main span of the George Washington

42. ## math

write the following square root in form a root b where a and b are intergers and b has the least value possible . root 45=

43. ## physics

a person is standing on a scale in an elevator that slowing down at a rate of 4m/s/s. the elevator is moving upward. if the persons mass is 80 kg what does the scale read during the period of time that the levator is accelerating?

two cards are dealt in succession from a standard deck of cards. find the probability that the first card is a diamond or a king. probability that the second card is red given that the first card was a heart. if two dice are rolled, what is the probability

45. ## Chemistry

Would the objects with the following densities float,sink, or remain suspended in tap water?

46. ## Science

How much rope will be needed to lift a load 48m in a single fixed pulley system if the effort is 63n and why

According to the first derivative test, a differentiable function must have a relative minimum between any two relative maxima. True.

48. ## math

What is the value of cos 138 if the cosin 42 = 0.7431

49. ## precalculus

write an equation in general form... the perpendicular bisector of the segment with endpoints at (2,-1) and (4,-5). I found the slope and then found the mid point and wrote to the equation and got X-2Y=3. But the answer is X-2Y=9...any help???

50. ## science

Choose ALL of the following correct statements. Waxing Moons appear to get smaller as the Moon revolves around Earth. A waxing Moon occurs after the Full Moon during the month. A waxing Moon occurs after the New Moon but before the Full Moon A waxing Moon

51. ## English

Someone wishing to find employment at News Corp as a website developer would probably expect to engage in __________ before getting hired. A.a research-based interview B.a quick promotion C.writing an essay D.a job interview I believe its C

52. ## math

Ishaan works at a nearby electronics store. He makes a commission of 15% on everything he sells. If he sells a television for \$392.00, how much money does Ishaan make in commission?

53. ## algebra

Sharon has 24 colored paper clips in her desk drawer:12 are red, 8 are yellow, and 4 are blue. She also has 28 pushpins in her drawer: 11 are white, 14 are orange, and 3 are green. 1. If she picks one paper clip, what is the probability that it will be

54. ## History

my answer: C // Charles-Louis Montesquieu contributed to the ideals of American government by articulating the concepts of _____________, or the division of authority amongst various branches of government. social contract checks and balances natural

55. ## physics....

Suppose that the inside length of a microwave oven is 30 cm. If the length of a microwave oven is one half of the wavelength of microwaves used by the oven, find the frequency of the microwaves used in the oven. What is the equation that relates the three

56. ## math

How many 4-letter words can be formed by slection four letters from the word UNIFORM? I don't understand how to do this at all. I know the answer is 840 but why? i have no idea how to simplify this... can anyone help? (x+3)!/x+3 (x-2)!/x!

57. ## physics....

The universal law of gravitation describes the force of gravity between two bodies. What does it say about the strength of the gravitational field? How does the size of the object affect the use of the gravitational field equation? i know that the

58. ## track and field

is a speed of 6.5 on a tredmill for five minutes equal to a good mark for a seventh grade girl to get 67 seconds in the 4 by 400?

59. ## spanish!!!

Which of the following is a common translation of -ito? tasty big funny little is it little?

60. ## chemistry

Write an equation for the reaction that take place in hydrogen sulphide gas when bubbled through a solution of zinc nitrate

Factor 48x+8

62. ## um reviewing old subjects .. Linear Equations

Math.. and i don't understand this... plz go throw steps w me.. Like ex: 2 complementary angles a 24 degrees different. How much does each angle measure? Equation1: Equation: Method1: Method2:

63. ## physics....

Make a list of the characteristics of light that a model should explain: rectilinear propagation, reflection, refraction, partial reflection, partial refraction, dispersion, and diffraction. Briefly discuss how the wave model of light and the particle

64. ## chemistry

In a mixture of ammonia an chlorine with excess ammonia what is the product

65. ## trig

give 3 different coterminal angles in radians to: pie/3 i changed that to degree and got 60 degress, but now i'm stuck...i don't know what to do

two cards are dealt in succession from a standard deck of cards. what is the probability that the second card is red give that the first card was a heart. so i do p(R/H), then i know you go R*H/H. but how do i get the probability please explain! thanks. if

67. ## math

you are given an exam with only 9 questions. if each question has 4 choices, how many different possible answers can you have for the entire exam?

68. ## science

What are the major phases of the cell cycle?

69. ## Algebra 2

The third and sixth terms of a geometric sequence are -75 and -9375 respectively. Find the first term, the common ratio, and an explicit rule for the nth term.

70. ## physics....

1) Yellow light is incident on a single-slit 0.0315 mm wide. On a screen 70.0 cm away, a dark band appears 13.0 mm from the centre of the bright central band. Calculate the wavelength of the light.

Need some info on the Battle of New Orleans I can't find it in my book

72. ## trig

converting degrees to radians. a) 95 degrees i did 95/180=19/36 then i did 19 pie/36. and i got 1.7. is that right if not can someone please explain! thanks so much

73. ## Math

give the domain, range, and zeros of: f(x)=absoulte value of x-3. f(x)=x^2-4x-8 f(x)=(x+1)(x+1)(x+1). f(x)=4 f(x)=-'9x-1)^2+16 y=squareroot x. i don't understand how i konw what the range, domain, and zeros are...please give some answers so i get it

74. ## history

Alarmed by the building of a French fort in the Ohio River Valley, Fort Duquesne, the British sent a young Virginian, ____________, to treat with the French. Thomas Gage Thomas Jefferson George Washington Paul Revere A or D

75. ## History

Under the concept of mercantilism, American raw materials during colonial times would be sent to _______________. Great Britain Africa The Thirteen Colonies Europe Great Britan?

76. ## 1 step and 2 step equations

Y+15-8.95 Y=6.05?? -62=y-87 Y=25? -y/7=18 14z=56

77. ## physics!

how much work is done by each force acting on vacuum cleaner as it is pulled horizontally 3 m at a constant speed by a force of 50 N at an angle of 30degrees above the horizontal?

78. ## discrete math

how do i solve linear equations? -4(k-2)+3(k+1) =7.

79. ## physics!

how much work is done by each force acting on vacuum cleaner as it is pulled horizontally 3 m at a constant speed by a force of 50 N at an angle of 30degrees above the horizontal?

80. ## math

which of the following functions have a inverse? f(x)=ab.solute value of x. f(x)=x^3 f(x)=x^4 f(x)=x^3 f(x)=x^4,xless then or equal 0. how do i know if they have an inverser, can someone please explain:) thanks for your time YOOO

81. ## Math

Determine to 3 decimal places. 7^0.4 (please explain as you go, thank you)

82. ## chemistry

describe how you can prepare 500cm of 0.1 of hydrochloric acid from commercial Hcl of density 1-18g/cm and the percentage by mass 37%

83. ## physics....

1) Thin films, such as soap bubbles or gasoline on water, often have a multi-coloured appearance that sometimes changes while you are watching. Explain the multi-coloured appearance of these films and why their appearance changes with time. 2) Yellow light

84. ## math

in the expansion of (x^2+3)^10 what is the coefficient of the term containing x^16. I did 10c4 * 3. But i am not getting the correct answer. can someone please show me how to do this. thanks for your time!

4x3:5

86. ## ga history

What was the name of Spain's first permanent colony in the New World

87. ## precalculus

The cost of a fill on acrylic nails is a function of how many broken nails. MArtha is charged \$34 for 5 broken nails, while Grace is charged \$26 for 1 broken nail. a)express the total cost as a !@#\$%^&ntion of the number of broken nails. b)What is the slpe

88. ## Maths

Analyse the following equation using rotational axis 4x^2 + 9y^2 - 8x + 36y + 4 = 0

89. ## Math help

multiply -(-5-p)(5+p)

90. ## math help

multiply -P(P-Q+5)

(square root y-3)^2=(1-square root 2y-4)^2. how do i do this???? i am clueless, pleaseeee help!!!! i^-7. how do I do this please describe! thanks for your time and help, I really appreciate it:)

92. ## Math

f(x)=1/x, g(x)=3X+1 find: f(g(3)) how do i do thiss... f(g(-2)) g.g, g.f, f.g, pleaseee help:)thanks for your timeee

93. ## math

how would you solve? 3/2x - 4 = 16 20 13 1/3 15 1/3 30 i think 15 1/3

94. ## Math

Determine to 3 decimal places. (Please explain as you go, thank you) 7^0.4

95. ## science

in what stage of meiosis is there single chromosomes

96. ## trig

is this right... a) give reference angle -200=20 degrees reference angle??

97. ## Math

how do i know what the domain is in these problems... i know that domain is the x value but how can i tell what it is? y=1/x y=3/x^2-49 y{x} y=square root of 3-x y=[x].

98. ## science

in what stage of meiosis is there single chromosomes