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?

    asked on June 15, 2017
  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?

    asked on July 20, 2020
  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

    asked on August 14, 2017
  4. Busines Math

    Pls heLp 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,

    asked on January 7, 2018
  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.

    asked on January 8, 2012
  6. Life Orientation

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

    asked on April 10, 2016
  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?

    asked on March 1, 2012
  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

    asked on October 20, 2014
  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.

    asked on December 1, 2008
  10. chemistry

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

    asked on March 13, 2019
  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

    asked on June 18, 2014
  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

    asked on January 29, 2010
  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

    asked on October 23, 2006
  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)

    asked on August 18, 2019
  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

    asked on June 9, 2019
  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?

    asked on June 14, 2017
  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

    asked on September 17, 2016
  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

    asked on February 9, 2016
  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?

    asked on November 30, 2015
  20. New Light Academy

    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

    asked on August 28, 2015
  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

    asked on July 28, 2015
  22. science

    how fast is mach 1 ?

    asked on October 17, 2014
  23. types of buisness writing

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

    asked on June 11, 2013
  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

    asked on January 4, 2011
  25. algebra homework

    I am having problems with fatoring this problem.Please help. 3x-22xy-16y^2

    asked on September 8, 2010
  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 ?

    asked on January 29, 2010
  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.

    asked on December 4, 2008
  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

    asked on April 24, 2020
  29. English

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

    asked on April 29, 2019
  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?

    asked on April 11, 2019
  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...

    asked on January 17, 2018
  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.

    asked on November 26, 2017
  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

    asked on August 14, 2017
  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

    asked on August 14, 2017
  35. math

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

    asked on May 8, 2017
  36. math

    Can A arch tesselate

    asked on April 18, 2017
  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

    asked on April 17, 2017
  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

    asked on September 15, 2016
  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

    asked on June 14, 2016
  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?

    asked on January 29, 2016
  41. science

    Humans have looked at planets

    asked on January 25, 2016
  42. Math

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

    asked on January 13, 2016
  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.

    asked on January 7, 2016
  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

    asked on November 30, 2015
  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?

    asked on November 30, 2015
  46. Math

    What is Input 2 and Output 13 with 2 equations

    asked on November 9, 2015
  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.

    asked on September 9, 2015
  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

    asked on August 9, 2015
  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.

    asked on August 3, 2015
  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.

    asked on May 10, 2015
  51. Math

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

    asked on March 26, 2015
  52. Measurement&Formulas

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

    asked on March 26, 2015
  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.

    asked on January 9, 2015
  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?

    asked on November 20, 2014
  55. science

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

    asked on November 20, 2014
  56. analogies

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

    asked on September 16, 2014
  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.

    asked on May 8, 2014
  58. math

    can I get examples of phythagorem theory

    asked on January 5, 2014
  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.

    asked on November 16, 2013
  60. physics

    motion that has no acceleration 13 letters only

    asked on July 29, 2013
  61. chemistry

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

    asked on April 17, 2013
  62. chemistry

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

    asked on April 17, 2013
  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)

    asked on March 7, 2013
  64. Physics


    asked on February 7, 2013
  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?

    asked on February 7, 2013
  66. Physics

    A block,mass 20kg,is pulled upwards by a force F along a plane inclined at 30 degree to the 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

    asked on February 7, 2013
  67. Physics

    A block,mass 20kg,is pulled upwards by a force F along a plane inclined at 30 degree to the 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

    asked on February 7, 2013
  68. business statics

    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%?

    asked on October 21, 2012
  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?

    asked on October 8, 2012
  70. Chem

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

    asked on March 28, 2012
  71. Physics

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

    asked on February 10, 2012
  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

    asked on January 29, 2012
  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

    asked on January 25, 2012
  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

    asked on October 5, 2011
  75. U.S history

    Describe America’s economic and military role in WW1

    asked on January 27, 2011
  76. U.S history

    Describe America’s economic and military role in the war

    asked on January 27, 2011
  77. U.S history

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

    asked on January 27, 2011
  78. language art

    ocr reading

    asked on October 21, 2010
  79. english

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

    asked on September 20, 2010
  80. biology

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

    asked on September 7, 2010
  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

    asked on September 3, 2010
  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.

    asked on August 27, 2010
  83. math

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

    asked on August 27, 2010
  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

    asked on August 26, 2010
  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.

    asked on August 25, 2010
  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!!!

    asked on August 24, 2010
  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?

    asked on May 26, 2010
  88. language arts

    words that ryme with kite

    asked on April 15, 2010
  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

    asked on March 21, 2010
  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

    asked on January 29, 2010
  91. Algebra 2

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

    asked on August 26, 2009
  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?

    asked on December 11, 2008
  93. calculus

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

    asked on November 22, 2008
  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.

    asked on November 18, 2008
  95. on college

    how to plan a 3 week job aid

    asked on November 15, 2008
  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,

    asked on August 9, 2008
  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

    asked on May 14, 2008
  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

    asked on January 30, 2008
  99. English

    What is the analogy? glue:sticks::thorns? must start with scr, spr, str, or thr

    asked on January 10, 2008
  100. English

    What is the analogy? glue:sticks::thorns? must start with scr, spr, str, or thr

    asked on January 10, 2008