# Kenneth

Popular questions and responses by Kenneth
1. ## Math

One hundred meters of fencing is available to enclose a rectangular area next to river give a function A that can represent the area that can be enclosed, in terms of X?

2. ## Probability

Two cards are drawn at random from an ordinary deck of 52 playing cards. What is the probability of getting two faces if: a) the first card is replaced before the second card is drawn? b) the first card is not replaced before the second card is drawn?

3. ## Chemistry

A stp a certain mass of gas occupies a volume of 790cm3, find the temperature at which the gas occupies 1000cm3 and has a pressure of 726mmhg

4. ## Busines Math

Pls heLp me..you decided to join the partnership of August and April . August has a capital of 50 pesos , while April puts up a capital of 75 pesos . the three of you decided that your profit and loss ratio would be 1:2:3 for August , April and yourself,

5. ## trig

how do you work find sin (a-B)beta sign. sin a = 12/13,a lies in quadrant II,and cos B = 15/17, B lies in quadrant I.

6. ## Life Orientation

Describe the human rights violation that is taking place in your community or neighbouring community.Give your own position on xenophobia.

7. ## Decimal division

If you were going to solve 0.7 divided by 0.0035 what would you write down on paper step by step?

8. ## calculus

find the absolute maximum and minimum of the function y=2cos(t)+sin(2t) on the interval of [0, pi/2] I have taken the derivative but I have no clue how to solve it for 0

9. ## calculus

is y = x^3 a solution to the differential equation xy'-3y=0?? how do i go about solving this??? also, is there a trick to understanding differential equations? i'm really struggling with this idea, but i'm too embarassed to ask my professor for help.

10. ## chemistry

Calculate the heat change in kilocalories for condensation of 6.5 kg of steam at 100 ∘ C .

11. ## math

an open box is to be formed out of a rectangular piece of cardboard whose length is 8 cm longer than its width to form the box,a square of side 4 cm will be removed from each corner of the cardboard then the edges of the remaining cardboard will be turned

12. ## Math

Draw an array for 12x7 (You don;t have to draw all the boxes inside, just the shape and the dimensions.) How would you break up this array into two smaller arrays? Show your two smaller arrays an your drawing. Then fill in the equation and solve the

13. ## human genome

The human genome has far fewer genes than previously thought. All of the following are ways that cells theoretically can increase the types of proteins they produce except alternative splicing transcription factors compounding Anticodons that are

14. ## Chemistry

Name the Catalyst and explain how the manufacturer can justify using such expensive materials in 4NH3(g) +5O2(g) -4NO(g) +6H2O(g)

15. ## physics

a force of 40n is applied at the end of a wire 4m long and it produces an extension of 0.24mm. if the diameter of the wire is 2.00mm. calculate the (A)stress (B)strain in the wire

16. ## Math

One hundred meters of fencing is available to enclose a rectangular area next to river give a function A that can represent the area that can be enclosed, in terms of X?

17. ## Science

Please help me. This is the question. A diver weighing 500N is positioned at the right end of a diving board with a length of 4m and negligible weight. The board is bolted down at the left end while being supported 1.5 m away from the fulcrum. a.)Find the

18. ## math

two wires support a pole in opposite directions. they make angles of 36° and 42° with the horizontal, and the points where they touch the ground are 50 ft apart. find the length of each wire

19. ## math Help plz

1.Given a geometric sequence with a_1=6 and r=2/3, write an explicit formula for a_n, the nth term of the sequence. 2.A geometric sequence has a_4=4 and a_5=7. What is a?

A uniform cylindrical pipe has an external diameter of 3.6cm and an internal diameter of 2.8cm. a)Calculate the volume of the material required to construct a metre length of the pipe. b)One cubic metre of material used has a mass of 44kg.Calculate the

21. ## Chemistry

Carbon tetracholoride is made according to the following reaction: carbon disulfide + chlorine gas yields carbon tetrachloride and disulfur dichloride. Write the correct balanced equation and then determine how many grams of CS2 are needed to make 16

22. ## science

how fast is mach 1 ?

23. ## types of buisness writing

Give me an example on how to Draft an e-mail of at least four complete sentences

24. ## math

1. A die is tossed 10 times and the number of sixes rolled is recorded. The number of sixes rolled will follow what type of distribution? a. poison b. binomial c. geometric d. normal

26. ## Math

Two small arrays have neen conbined to make a big arraay. What are the dimensions and product of the big array? Fill in the equation that shows this big array broken into two small arrays. 10x6 10x5 ?

27. ## calculus

use euler's method with delta x=0.1 to estimate y when x=0.4 for the solution curves satisfying y(0)=1 and y(-1)=0. I made the table but i don't know what values to use or plug in.

28. ## Math

A roller coaster at a theme park takes fans On an exciting ride. In the first 20 seconds, it carries its passengers up a 30 m hill, Plunges them down 30 meters, and takes them back up a 15 meter rise. How much higher or lower from the start of the ride are

29. ## English

Why the traditional African marriage is an advantage for men only, not woman

30. ## Trigonometry

Involving Sin, Cos, and Tan, how would I go about business using Sin(A+B), Cos(A+B), and Tan(A+B)? With quadrant limiters and drawing reference angles to make right triangles?

31. ## Math

A square is dilated by a scale factor of 3/4 to create a new square. The area of the new square is...

32. ## Mathematics

a cylindrical water tank has a height of 20cm and a radius of 14cm.if it is filled to 2\5 of its capacity. calculate the quantity of water in the tank.

33. ## Chemistry

A sample of nitrogen gas occupies a volume of 20cm3 at 500k and 760mmhg what will it volume be at 860 mmhg and 400k

34. ## Chemistry

130 cm3 of a gas exact a pressure 750mmhg. Calculate it's pressure if it's volume is increased to 150 cm3 at 35 degree Celsius

35. ## math

what is the function rule for x-2,y9,x-1,y4,x0,y-1,x1,y-6,x2,y-11

36. ## math

Can A arch tesselate

37. ## algebra

Susan is filling two ponds in her back yard. She has to dig the hole, put the liner in, and fill the pond. The first pond holds 75 gallons of water and is filling at a rate of 7 gallons of water per hour. The second holds 115 gallons of water and is

38. ## Stats

A store carries 4 styles of denim jeans. For each style there are 5 different waist sizes and 3 different colours. The store also carries 2 named brands of t-shirts, each of 6 different colours and in 3 different sizes. A customer wants to buy an outfit

39. ## Math

For the past 5 years, Frank and Peggy have deposited \$15,000 in a retirement account with a simple interest rate of 7%. They plan to continue to make annual deposits for the next 20 years. Explain how their money will grow over time. Note: You do not need

40. ## Project Management

ow can we determine a risk profile for our project, since each of our organizations has its own tendency to deal with risk?

41. ## science

Humans have looked at planets

42. ## Math

If a tile is 9.96 inches by 9.96 inches, how many do I need to cover 24 square feet?

43. ## Physics

A 5.2 kg bucket of water is raised from a well by a rope. The acceleration of gravity is 9.81 m/s^2.If the upward acceleration of the bucket is 4.0 m/s^2, find the force exerted by the rope on the bucket of water. Answer in units of N.

44. ## Math

Give an example of a radical function f(x) whose domain is (3,∞) and whose range is (-∞,0] Can i plz get help

45. ## math

A potato is put into an oven that has been heated to 350°F. Its temperature as a function of time is given by T(t)=a(1-e^kt)+b. The potato was 50F when it was first put into the oven. 1.If the potato is 60°F after 2 minutes, what is the value of k?

46. ## Math

What is Input 2 and Output 13 with 2 equations

47. ## ICT1511

Sam works at a coffee company where all the employees receive a bonus of R700, except the employees in the coffee department 3, who receive a bonus of R850. Enter his gross salary and his personal department number. Calculate the total income of Sam.

48. ## algebra

Prove by mathematical induction that x^2n - y^2n has a factor of x+y. My answer is incomplete since i do not know what to do next. here it is: i.) for n=1 x^2(1) - y^2(1) = x^2 - y^2 = (x+y)(x-y) ii.) Assume that the proposition is true for all n=k, that

49. ## Trigonometry

A segment of height 3 inches (distance from center ofchord to center of arc) has an arc of .4 radian.find the area of a segment.

50. ## Probability

What is the rule for the sequence 20, 17, 13, 8, 2? I've been trying to answer it by second difference method but still don't get correct formula.

51. ## Math

Wong ran for 45 minutes in a marathon without stopping.How many seconds Wong run without stopping?

52. ## Measurement&Formulas

Maria works out for 150 minutes every Saturday.How many hours is this?

53. ## algebra

If you are paid an hourly wage of \$9.00, determine an equation for finding your weekly gross pay (P)for t hours. Specify an amount between 25 and 40 hours worked for 1 week and determine your gross pay for that week.

54. ## engineering

What do you do to peel a hard boiled egg so the shell will not not not stick to the white. so you can eat the egg and not get egg shell in your mouth?

55. ## science

How do you peel a boiled egg with the shell sticking ?

56. ## analogies

Open is to close as retreat is to. I'm not sure if pursue could be the right answer

57. ## QuickBooks Accounting

Describe how the QuickZoom feature of QuickBooks does or does not provide the same help in the statement of cash flows as it does in the income statement.

58. ## math

can I get examples of phythagorem theory

59. ## Statistics

The mean length of the first 20 space shuttle flights was about 7 days with a standard deviation of about 2 days. Using Chebychev's theorem, at least how many of the flights lasted between 3 and 11 days.

60. ## physics

motion that has no acceleration 13 letters only

61. ## chemistry

what is the effect of barium chloride solution, dilute hydrochloric acid and dilute trioxonitrate(v) acid on iron II ammonium sulphate hexahydrate

62. ## chemistry

effect of Bacl2 and HNO3 of (NH4)2so4.feso4.6ho2

63. ## Chemistry

calculate the standard free-energy change for the synthesis of hydrazine from nitrogen and hydrogen. N2(g) + H2(g) right arrow N2H4(l)

Physics

65. ## Physics

How to calculate a gravitational force exerted on the paralle to the incline if its mass is 20kg is pulled upwards by a force inclined at 30 degree to the horizontal nd it accelerate along the incline plane at 2m.s-2?

66. ## Physics

A block,mass 20kg,is pulled upwards by a force F along a plane inclined at 30 degree to the horizontal.it accelerate along the inclined plane at 2m.s-2. The surface of the inclined exert a friction force on the block calculate the component of the

67. ## Physics

A block,mass 20kg,is pulled upwards by a force F along a plane inclined at 30 degree to the horizontal.it accelerate along the inclined plane at 2m.s-2. The surface of the inclined exert a friction force on the block calculate the component of the

a random sample of the grade of 78 students is taken. what is the probability that the average grade will be between 80.3% and 82.3%?

69. ## Chemistry

Boric acid is a weak acid with an equilibruim constant(K)of 10-9.3. What is the pH balance of a 0.1 molar solution of boric acid?

70. ## Chem

why is (NH4)2Cr2O7 >> N2 + Cr2O3 + 4 H2O balanced like this.

71. ## Physics

How long does it take a motor cyclist to come to rest?which travels at 12m/s decelerates at 3m/s^2

72. ## math

Q: Convert 4x^2 + 4y^2 -8x -16y -29 = 0 into standard form. I first started by pairing the like terms together, getting: 4x^2 -8x + 4y^2 -16y = 29 The next step, I'm a little confused. I know I need to complete the square, but I'm not sure how to fully

73. ## Algebra II

Working on my online math homework, I encountered this problem: Solve: (3x^-1 y^-2)^-2 (x^2 y^5)^-1 [[Spaces denote the end of the exponent.]] Because of the law of exponents that deals with negative exponents, I did the reciprocal and distributed the

74. ## statistics

in a class of 40 student,18 pass maths, 19 pass account,16 pass economics 5 pass maths and account only, 6 pass maths only, if each student pass at least one of the subject.find the percentage number who fail in at least one of economics and maths. how

75. ## U.S history

Describe America’s economic and military role in WW1

76. ## U.S history

Describe America’s economic and military role in the war

77. ## U.S history

how did Wilsonian idealism turned the war into an ideological crusade that inspired fervor and overwhelmed dissent

79. ## english

I'm kinda getting stumped. What are some other characteristics people kind have like their family besides physical ones?

80. ## biology

the atomic mass =the number of _________+ the number of

81. ## algebra

How do I work this to get the answer because I am stuck. Help, Help, please anyone. Ihope that you are able to understand what I am asking. 3 SQRT10 over SQRT15 2 over 5+SQRT3

82. ## algebra

Can someone show me the step to solving this equation because I am just not getting it. My teacher is confusing me, so I need someone else to explain it in a different uncomplicated way. y-1/x+3 = -3/4.Thanks so much you guys for the help.

83. ## math

Solve: (a+4)/2 = (a + 4)/a

84. ## high school

Explain in your own words the difference between an account that is earning simple interest for 5 years and another account that is earning interest that is compounded annually for 5 years

85. ## high school algerbra class

(2/x^2-4)+(3/x^2)+(x-6+1/x+3) someone please show me how to work this problem with the steps, so I can see if I can get it. This is due tomorrow in class. Thank you.

86. ## high school algerbra class

2/x^2-4+3/x^2+x-6+1/x+3 Could someone help me with this fraction? I have tried to answer it over three days now without any luck. If anyone can help please show the steps,so I can see how you got the answer. Thanks in advance!!!

87. ## math

the point P lies in the first quadrant on the line y=10-4x from P, perpendicular lines are drawn to the x and y axis. What is the maximum area of the rectangle formed?

88. ## language arts

words that ryme with kite

89. ## algebra

Marlene rides her bycicle to her friend Jon's house and returns home by the same route. Marlene rides her bike at constant speeds of 6mph on level grond, 4mph when going uphill and 12mph when going downhill. If her total riding time was 2 hours, how far

90. ## Math

Draw an array for 12x7 (You don;t have to draw all the boxes inside, just the shape and the dimensions.) How would you break up this array into two smaller arrays? Show your two smaller arrays an your drawing. Then fill in the equation and solve the

91. ## Algebra 2

How many subsets of set T have 2 elemnts if set T has 5 elements?

92. ## Math

An aquarium holds 6 1/4 gallons of water. The water level has dropped to 4/5 of this amount. How much water should be added to fill the aquarium?

93. ## calculus

Two runners, A and B run on a straight race track for 0

94. ## calculus

use the fundamental theorem to find the area under f(x)=x^2 between x=1 and x=4. how do i go about doing this? i know how to use my calculator, but it says to use the theorem so i'm not completely sure.

95. ## on college

how to plan a 3 week job aid

96. ## Juvenile Justice

I need help trying to do a portfolio the assignment is: develope a comprehesive portfolio of information about your group (my selected group is gangs) in the juvenile justice system. These are the things that I have to cover: profile and risk factors,

97. ## Math

I am in 7th Grade and have some holiday homeworks. Please help. 1. Write all the algebraic identities. 2. Write the statement & proof for remainder theorem & factor theorem each. 3.Write all the quadrilaterals and their properties. 4. Write the formulae

98. ## chemistry

I am enrolled in analytical chemistry after a 4 year break from any chemistry. I was recently given a problem set and I need some help on the following: A 0.899g sample containing epsom salt, MgSO4 & 7 H2O, and other non-hydrated materials was dehydrated