# Questions Asked onNovember 6, 2016

1. ## Statistics

Suppose that 30% of all college students smoke cigarettes. A sample of 18 is selected randomly. What is the probability that exactly 10 students smoke? Round your answer to four decimal places.

2. ## College Alg

A couple plans to save for their child's college education. What principal must be deposited by the parents when their child is born in order to have \$41,000 when the child reaches the age of 18? Assume the money earns 9% interest, compounded quarterly.

3. ## history

As American colonists questioned British rule, public discussion focused on topics such as colonial independence and individual rights. In turn, literature from the American Revolutionary period often reflected important political and social themes,

4. ## Physics

Two hockey pucks of equal mass are involved in a perfectly elastic, glancing collision, as shown in the figure below. The orange puck is initially moving to the right at voi = 3.95 m/s, when it strikes the initially stationary blue puck, and moves off in a

5. ## College Alg

The intensity I of an x-ray after it has passed through a material that is x centimeters thick is given by I = I0e^–kx, where I0 is the initial intensity of the x-ray and k is a number that depends on the material. The constant k for copper is 3.2. Find

6. ## History

"The time for the new election of a citizen to be president of the United States is coming soon. I should now tell you of my decision: I will not be among the candidates considered for the position." Read the paraphrase of a text written by George

7. ## math

solve the following pair of simultaneous equation 5x-2y=14, 2x+2y=14

A picture frame is 12 inches long and 9 inches wide. In inches, what is the diagonal length of the picture frame? A)12 inches B)15 inches*** C)8 inches D)6 inches Which number is a perfect cube? A)3 B)15 C)64*** D)567 When adding square root 25 and -9,

9. ## physics

A force of 300N lifts a mass of 120kg with help of lever whose length is 2.4 m.The distance between fulcrum and mass is a) 40cm b) 48cm c) 80cm d) 171cm

10. ## PreCalc

The fifth term of an arithmetic sequence is equal to 6 and the sum of the first 12 terms is equal to 45. Find the first term and the common difference.

11. ## Physics

Does an apple exert a gravitational force on the earth? If so, how large a force? Consider an apple (a) Attached to a tree and (b) falling.

12. ## math algebra

Terry Edwards invested \$3000 for two years, part at 3.5% simple interest and the rest at 2.5% simple interest. After two years she earned a total interest of \$190. How much was invested at each rate?

13. ## Physics

Calculate the force of earths Gravity on a 2.00 earth radii above the earth surface if it's mass is 1850kg.

14. ## calculus

y'? 1.y=arctan(a+x/1-ax); a is constant 2.y=e^x-e^-x/e^x+e^-x

15. ## history

Which of these contributed most to white settlers' desire to have the Seminole tribe removed from Florida? a. Seminole attacks on small farms b. A Seminole alliance with the Spanish c. The Seminoles' control of the fur trade d. The Seminoles' protection of

16. ## Science

Which organ is NOT part of the Digestive System??

17. ## Trigonometry

An airplane is 48 miles due north of a town. An airport is 29 miles North-West of the town. It is determined that the airplane is 34 miles from the airport. On what bearing should the pilot fly to get to the airport? Please show work if possibly, I'm

18. ## Pre-algebra

The ramp shown below is used to move crates of oranges to loading docks at different heights. When the horizontal distance AB is 15ft, the height of the loading dock, BC, is 3ft. What is the height of the loading dock DE? -5 -8 -9 -25 My answer: 5 Diagram:

19. ## Earth Science

1. The water cycle is the _____. A. distribution of drinking water on Earth ?**? B. unending circulation of Earth's water supply ?**? C. the recycling of water after industrial use ?**? D. the evaporation of water from Earth's surface ?**? 2. Plants

20. ## Physics

A boat crosses a river 1.5km wide in 15mins. If the river flows at 2km/hr calculate the velocity of the boat.

21. ## Physics

Three carts of masses 4kg, 10 kg, and 3 kg move on a frictionless horizontal surface with initial speeds of 5 m/s, 3 m/s, and 4 m/s. If the carts all stick together after the collisions, what will be the final velocity of the combined mass? Help ASAP

22. ## Language Arts

Which of the following excerpts from the selection use the active voice in the first sentence and the passive voice in the second? A)There is little, if any, "storm" in the new movie Storm Fever. Aren't actors supposed to act, and aren't directors suppose

23. ## math

In an examination,Dada scored x% in maths,50% in science and 70% in English studies.if his mean score for the three subject was 55%, find x

24. ## physics

A duck is swimming across a river. The duck can swim at maximum speed of 2m\s in still water. If the duck i swimming as hard as possible straight across a river that running at 4m\s, what is the duck's overall speed, relative to the goose sitting on the

25. ## Chemistry

sodium carbonate + hydrochloric acid --> sodium chloride + carbonic acid which later decomposes into water + carbon dioxide. Which one would be the independent, controlled, dependent variable? i know independent would have to be from the reactant side and

26. ## physics

1. A bullet of mass 10 g is fired vertically upward and it reaches to the highest point in 10 seconds. Which of the following figures is nearer to its maximum height above the firing position? A) 10 m B) 22 m C) 30 m D) 42 m E) None of the above

27. ## physics

A box slides down a frictionless 35 degree incline. Determine its acceleration. If the incline is 10.0 m long and the box starts from rest, how much time does it take to get to the bottom?

28. ## College Alg

The probability P, as a percent, that a certain computer keyboard in a public library will last more than t years can be approximated by P = 100e^−1.2t. After how many years will the probability of keyboard failure be 76%? Round to the nearest tenth.

29. ## AP physics

Astronauts who spend long periods in outer space could be adversely affected by weightlessness. One way to stimulate gravity is to shape the spaceship like a cylindrical shell that walking on the inside surface. Explain how this simulates gravity. Consider

30. ## Calculus

A particle moves along the x-axis and its position for time t is greater than or equal to 0, is s (t)=cos(2t)+sec(t). When t=pi, the acceleration of the particle is

31. ## Physics

Two cars approach along icy streets which meet at a right angle to one another. The cars collide and stick together. One car has a mass of 1200 kg and had a speed of 30 km/h in the +x direction before the collision. The second car has a mass of 1500 kg and

32. ## Chemistry

What diff will appear in the mass no.if the no. of neutron is halved no. of electron is doubled in 8 O 16

33. ## Science

Which two systems work with the muscular systems to allow the body to move

34. ## western civ

influence of enlightenment in todays society?

35. ## MATH

Determine the future value of a \$25000 investment at an annual rate of 4.85% compounded quarterly for 6 years.

36. ## Math

Latasha can read 15 pages in 25 minutes. At this rate, how long will it take her to read a 1045 page novel?

37. ## Physics

A child standing on a platform holds a rope taut at an angle θ to the vertical. The child swings from the platform starting from rest. When the child swings through the lowest position, the tension in the rope is 1.9 times the child's weight. Determine

38. ## Physics PROJECTILE AND CIRCULAR MOTION

1.13g plastic stopper is attached to a 0.93-m string. The stopper is swung in a horizontal circle, making one revolution in 1.18s(period T). Find the tension force(equivalent to the centripetal force)exerted by the string on the stopper? (V=2(pie)r/T)? 2.

39. ## Math

23. Lois built a rectangular flower bed. She used four boards for the border of the flower bed. Two of the boards were 4 feet long. The other boards were 8 feet long. a. What was the area of the flower bed using these boards? b. She decided to cut each

40. ## physics

A mango fruit drops from the top of it's tree which is 40 m. How long does it takes to reach the ground

41. ## math

8 Given that = 0.4307 and = 0.6826, without using mathematical tables or a calculator, evaluate

42. ## English / grammar

Rewrite the following story into the present tense One day a dog stole a piece of meat . He was crossing a brook when he saw his reflection in the water . Immediately he thought it was another dog with another piece of meat . He snatched at what he saw but

43. ## Life Science 7

What is a good way to remember Golgi Apparatus, vesicles, vacuole,and nuclear envelope

44. ## Physics FRICTION FORCE AND N-2ND LAW

A balloon has a weight of 1250 N, and the lifting force on it is 3525N. If the air resistance is 15N, what is the acceleration of the balloon? (Notice fg=mg) 3525-15=3515 3515/1250= 2.81 ???? A pulling force on a case is 1653 N while the friction force is

Please tell me if my awsers are correct A picture frame is 12 inches long and 9 inches wide. In inches, what is the diagonal length of the picture frame? A)21inches

46. ## physics

An object of mass 1.00kg is moving over a horizontal circular path of radius 2.00m, with a speed of 3.00ms^-1. Determine: (a) its centripetal acceleration (b) its kinetic energy (c) its period (d) its angular velocity

47. ## Stats

A prototype from a hybrid vehicle manufacturer claims to get 50 miles per gallon (MPG). The manufacturer selects 14 prototypes from their fleet and drives the vehicles for fuel efficiency. The sample mean fuel efficiency for this sample was 53.3MPG and a

48. ## english

why might Equiano have asked captain to call him Jacob rather than oladuah

49. ## Physics

A ball A having a speed of 44.0 ms-1 collides with another ball, B, of the same mass which is initially at rest. After the collision A is deflected, 45.0 from its initial direction and B moves off at an angle of 30.0° to the original direction of A. a.

50. ## Maths

A bag contains 2 green balls and 1 red ball Two balls are randomly selected without replacement. What is the probability of selecting one of each colour

51. ## Phsics

an astronaut, mass 119 kg including spacesuit pushes off from the international space station with a velocity of 2.7 m/s. What is the speed of the Space station in the opposite direction

52. ## Government

How did those associated with WikiLeaks view Snowden's actions? h t t p : // w w w . business insider . co m / edward- snowden-and -wikileaks - 2014 -1 I was confused after reading this article. Could someone help me briefly summarize ***HOW DID THOSE

53. ## maths

A shape is made up of a triangle and a rectangle. The perimeter of ABCDE is 46cm. What is the length of AB?

54. ## College Alg

Suppose your salary in 2015 is \$40,000. Assuming an annual inflation rate of 8%, what salary do you need to earn in 2020 in order to have the same purchasing power? (Round your answer to two decimal places.)

55. ## chemistry

1.Name the type of solution 45g of NaCl in 100g of water at 80 degree celcius. 2. 39g of NaCl in 100g of water at 80 degree celcius

56. ## Math

What are the largest three consecutive even numbers that sum to less than 1000

57. ## chemistry

The atomic mass of an element is 27.and its equivalent mass is 9.the vapour density of chloride is

58. ## math

Ali swims 4m for every 1m Anton swims. By how far in meters will Ali beat Anton if the race is 50m?

59. ## Maths

Jack has scored 94 points in the last six basketball games. If he earns two points per basket, how many baskets at all must he shoot in the next six games for her average points per game to be 16?

60. ## Calc 1

A rectangle has one side on the x-axis, one side on the y-axis, one vertex at the orgin ans one on the curve y = e^-3x , for x>(equal) 0. find the maximum area (using calculus)

61. ## chemistry

arrangement of the following gas molecule in their increasing average speed at the same temperature. O2, N2, H2O,CO2,NO2 and Cl2

Rm 200 was saved every month for four years in an account that pays 6% compounded monthly.find the accumulated value if the interest rate was changed to 8% compounded monthly after one year.

63. ## Math

Seven subtracted from five times a number, then the difference added to nine times a number

64. ## Science

Explain why n2h4 acts as bronsted lowry base but n20 does not

Jenny purchases a piano for rm 7000. She pays down payment of rm 2000 and agrees to pay the balance in 15 equal monthly payments, the first due in one month. If the dealer charges her 5% compounded monthly , find her monthly payment.

66. ## Calc 1

The function C(m) = -.41m^2 + 6.7m - 44/ .7m represents Miles Traveled per lb. of CO 2 released as a function of speed(in MPH) for a hyundai Sontana. the domain of this function is [10,90]. A) calculate C'(m) B)find the critical points of C(m). C)Where

67. ## AP physics

Astronauts who spend long periods in outer space could be adversely affected by weightlessness. One way to stimulate gravity is to shape the spaceship like a cylindrical shell that walking on the inside surface. Explain how this simulates gravity. Consider

68. ## Physics

Why is more fuel required for spacecraft to travel from the earth to the moon than to return from the moon to the earth?

69. ## AP physics

The sun is below us at a magnitude of nearly a line with the earth center. Are we then Heavier at midnight due to the sun's gravitational force on us, than we are at noon? Explain

70. ## AP physics

The earth moves faster in its orbits around the sun in January, or in July? Explain [Note: this is not much of a factor in producing seasons - the main factor is the tilt of the earths axis relative to the plane of its orbit.]

71. ## science

one way the modern atomic model differs from the bohr model of an atom

72. ## science

fical lengt of concave mirror =50cm m=1÷2 cm .find the position of the object

73. ## Maths

From a point on a ground the angle of elevation from a tower is observed to be 60 degree. From a point on 40meter vertically above the first point of observation the angle of elevation from a tower is 30degree. Find the height of the tower and horizontal

74. ## Maths

From a point A, level with the foot of a hill, the angle of elevation of the top of the hill is 16. From a point B, 950 m clearer the foot of the hill, the angle of elevation of the top is 35. Determine the height of the hill.

75. ## Chemistry

Solubility of PbCl2 in brine solutions

76. ## trig

A communication tower is 34m tall. Jane stands somewhere in front of the tower to the right and measures the angle of elevation to be 70 degrees. Bill stands somewhere in front of the tower to the left and measures the angle of elevation to be 50 degrees.

77. ## math

A pilot is asked to approach the airport at an 6° angle of descent. If the plane is travelling at an altitude of 27000 ft, at what horizontal distance from the airport should the descent begin? Give your answer to the nearest foot. Your Answer:

78. ## math

When an airplane leaves the runway, its angle of ascent is 13° with a speed of 82 metres per second. Find the altitude of the plane after 7 minutes.

79. ## math

A ship leaves port at 7 am and heads due east at 34 knots. At 10 am, to avoid a storm the ship changes course to N 57° east of north). Find the ships distance from port at 2 pm. Round to the nearest tenth. To determine nautical miles multiply the speed in

80. ## Math

Peter is three times as old as Sue, who is four years older than Joe. In 20 years, Peter will be twice as old as Joe. How old is Peter now?

81. ## math

A regular polygon is inscribed in a circle of radius 11 cm. Calculate the perimeter of the polygon to the nearest tenth if the polygon has 8 sides.

82. ## math

A regular polygon is inscribed in a circle of radius 9 cm. Calculate the perimeter of the polygon to the nearest tenth if the polygon has 6 sides.

83. ## Math

The sum of 6 and double of any number is 24 .Find the no.

84. ## English

please correct the following sentence I will send the photos, as and when I receive or I will send the photos, as and when I received.

85. ## maths

A shape ABCDE is made up of an isosceles triangle and a rectangle. The perimeter of ABCDE is 46cm. 1) what is the length of AB?

86. ## Physics

One afternoon, a couple walks three-fourth of the way around a circular lake, the radius of which is 1.45km. They start at the south side of the lake and head due east at the beginning of their walk. (a) What is the distance they travel? (b) What are the

A plumber has a very long piece of pipe that is used to run city water parallel to a major roadway. The pipe is cut into two sections. One section is 12 ft. shorter than the other. If 34 of the length of the shorter pipe is 120 ft., how long is the longer

88. ## math

A melting snowball has a radius that decreases 1/4 inch per hour.?Find the rate of change of the volume with respect to time when the radius is 4in ?

89. ## math

Find the equation of the tangent line to the graph of (x+y)^3=27x at the point (1,2)

90. ## physics

a body is projected with velocity v1 from a point a at the same time another body is projected vertically upwards with velocity v2 the point b lies vertically below the height the point for both the bodies to collide 2/v should be

91. ## Physics

a) What is the ratio of the momentum of a 3kg mass moving at 3 m/s to that of a 2 kg mass moving at 4 m/s? b) What is the ratio of the respective kinetic energies? Help ASAP please!! Step by step to get the answers

92. ## Physics

Show that the kinetic energy of an object can be written in terms of the momentum as KE = p2/2m. Help ASAP please. Step by step to get the answer

93. ## Philosophy

Each of the underlined premises can be taken as an unacceptable premise in an argument. In each case, identify the condition of premise unacceptability Premise: Most people dislike quitters Conclusion: Therefore, I shouldn’t quit smoking I`m having

94. ## physic

A projectile is projected at an angle 300 with the horizontal with the velocity 30 ms-1 . What is the time of flight

asked by A projectile is projected at an angle 300 with the horizontal with the velocity 30 ms-1 . What is t
95. ## Math-Trigo

if sinA=-(12/13) and -90

96. ## Physics

Two cars approach along icy streets which meet at a right angle to one another. The cars collide and stick together. One car has a mass of 1200 kg and had a speed of 30 km/h in the +x direction before the collision. The second car has a mass of 1500 kg and

97. ## Math-Trigo

if sinA=-(12/13) and -90

98. ## Physics

A 10 kg object (m1) initially moving to the right at 20 m/s makes a totally elastic head on collision with a 15 kg object (m2) which was initially moving to the left at 5 m/s. Find the final velocities of each object. HINT: Treat this as a one-dimensional

99. ## Calculus

A continous function y=f(x) crosses x-axis at points x=-3,0,2,5. Use mean value theorem to show that function has three critical points? I am stuck in this question kindly help

100. ## Math

Mr. Jackson sold 3 computers in the first year. In the second year he sold 4 times as many computers. In the third year he was able to sell 6 times as many computers as the first year. How many did Mr. Jackson see in three years.

101. ## College Calc

The average daily metabolic rate for rodents can be expressed by the function m=85.65w^0.54, where w is the weight in kg and m is the metabolic rate in kcal/day. Determine the rate of change in the metabolic rate with respect to time for a 0.25kg rodent

102. ## English

1. The accident left it possible for him to take a rest in hospital. 2. The heavy snow left it impossible for him to go to work by car. 3. Keep it a secrte to go to the PC room with me. 4. Keep it a secret that you go to the PC room with me. 5. I took it

103. ## physics

A boat is heading directly North acroos a river at 5km\h. The river is flowing east at 3km\h. a) what is the actual velocity of the boat? b) how far down stream does it land if the trip takes 0.5 hrs. c) how wide is the river?

104. ## math

two boats leave at the same time. one sails south and for a distance of 20 miles and finds itself 25 miles from the other boat which has sailed west how far has the other boat traveled?

105. ## Mathe

A cuboid has length y, width 3y and depth y then what is its surface area?? a) 14y^2 b) 15y^2 c) 3y^3 d) 5y^2

106. ## Calc One

The function C(m) = -.41m^2 + 6.7m - 44/ .7m represents Miles Traveled per lb. of CO 2 released as a function of speed(in MPH) for a hyundai Sontana. the domain of this function is [10,90]. A) calculate C'(m) B)find the critical points of C(m). C)Where

107. ## maths

Pipe A can fill a pool in 15 minutes and pipe B alone can do it in 10 mibutes. Both the pipe are opened after 4 minutes water from pipe B stop flowing.In how much time will pipe A fill the part of the pool

What is the solution to negative square root of 7 to the nearest integer? A)9 B)8 C)-8 D)-9** Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks, each the same size. What is the approximate length of each side of a block?

109. ## physics

A bomber drops a bomb from an aircraft flying at 2000Km/h with an altitude of 7 Km. The speed at which the bomb will strike the earth would be. a) Greater than 2000Km/h b) Less than 2000 Km/h c) Equal to 2000 Km/h d) Can not compare with the given data

110. ## Philosophy

john will other score 10/10 on the assignment or he will not This claim is acceptable by observation, could we also say that it is unacceptable by problems in language (vagueness). Or is there any other way it is unacceptable

111. ## Chemistry

You have isolated compound X from panda pancreas. You started with a whole pancreas, and finished up with 5 ml of a pure solution of X. Assume you got 100% recovery of compound X. You take 300 µl of this solution, and add it to 1.7 ml of buffer. The

112. ## math

A communication tower is 34m tall. Jane stands somewhere in front of the tower to the right and measures the angle of elevation to be 70 degrees. Bill stands somewhere in front of the tower to the left and measures the angle of elevation to be 50 degrees.

113. ## math

A pilot is asked to approach the airport at an 6° angle of descent. If the plane is travelling at an altitude of 27000 ft, at what horizontal distance from the airport should the descent begin? Give your answer to the nearest foot. Your Answer:

114. ## math

When an airplane leaves the runway, its angle of ascent is 13° with a speed of 82 metres per second. Find the altitude of the plane after 7 minutes.

115. ## math

A ship leaves port at 7 am and heads due east at 34 knots. At 10 am, to avoid a storm the ship changes course to N 57Â° east of north). Find the ships distance from port at 2 pm. Round to the nearest tenth. To determine nautical miles multiply the speed

116. ## Mathe

49. The area of a square is 40000cm2. What will be length of diagonal? A) meter B) 2 meter C) meter D) 200 meter

117. ## physics

Three liters of nitrogen combine with 9 L of hydrogen to form 6 L of ammonia. If the molecules of nitrogen and hydrogen have two atoms each, how many atoms of hydrogen and nitrogen are there in one molecule of ammonia? ____ atoms of hydrogen ____ atoms of

118. ## physics

An ideal gas has the following initial conditions: Vi = 490 cm3, Pi = 5 atm, and Ti = 100°C. What is its final temperature if the pressure is reduced to 1 atm and the volume expands to 1000 cm3? ______ °C

119. ## Spanish

Instructions: Modifique el párrafo por cambiar las palabras entre comillas al tiempo FUTURO. Modelo: Mi familia ‘va a visitar’ a nuestros abuelos este verano. Mi familia visitará a nuestros abuelos este verano. 1. Este año ‘vamos a hacer’ una

120. ## Math

The exterior angles of a triangle is 3x and 2x and interior is 4x Find the value of x.

121. ## Math

The exterior angles of a triangle are 3x and 2x and interior is 4x .find the value of x.

122. ## Math, Precalc

Find, to the nearest tenth of a degree, the angle formed by the two main diagonals of a cube that connect consecutive vertices of the lower base to the opposite consecutive vertices of the upper base, as illustrated at right.

123. ## Maths

Find volume of solid generated by revolving around region y=x^(1÷2) and y=2,x=0 about 1)x=0 2)y=2

124. ## math

a company owns only cars and trucks. The sum of the cars and trucks owned by the company is 60. One sixh of the red and one half of the trucks are red. If there are twice as many red trucks as red cars, how many cars are not red? A- 6 B- 12 C-24 D-30 C-

125. ## math

A rectangular parking has a perimeter of 28 units. The length is six less than double the width. What is the length of the parking lot?

126. ## math

I really need help with this question plz help. Mrs. miller sells a house for \$179.000. if she earns a commission of 6%, how much money does she earn?.

127. ## statistics

an archer shoots arrows at the bull's eye of a target and measures the distance from the center of the target to the arrow. identify the random variable of interest, determine whether it is discrete or continuous, and list its possible values

128. ## Calculus

Imagine making a tent in the shape of a pyramid. Assume we want the volume to be 2.2m3 to sleep two or three people. Draw a picture identifying all appropriate variables. The floor of the tent is cheaper material than the rest: assume that the material

129. ## Cost Accounting Please explain how to do the probl

Can someone please explain how to do the following? Baxter Company manufactures two products, Product F and Product G4. The company expects to produce and sell 2,600 units of Product F and 6,000 units of Product G during the current year. The company uses

130. ## algebra

Write an equation that can be used to find two consecutive integers such that the sum of their reciprocals is 13 84

131. ## Chemistry

What mass of carbon dioxide is formed by the complete combustion of 760 g of ethanol?

132. ## Maths

The angles of a triangle are 45degree, 65degree,and 75 degree. Express these angle in radians