Popular questions and responses by Divine
  1. Mathematics

    The diagonal of a parallelogram are 6cm and 8cm long and they intersect at an angle of 55°.calculate the area if the parallelogram

    asked on June 26, 2020
  2. stat

    A survey was conducted to study the relationship between the annual income of a family and the amount of money the family spends on entertainment. Data were collected from a random sample of 280 families from a certain metropolitan area. A meaningful

    asked on January 25, 2012
  3. physics

    Consider a balloon of mass 0.030 kg being inflated with a gas of density 0.54 kgm-3. What will be the volume of the balloon when it just begins to rise in air of density 1.29 kg m-3? [g = 10 ms-2]

    asked on February 24, 2017
  4. algebra


    asked on June 5, 2019
  5. chemistry

    when 8.28g of ethanol were heated with 60g of ethanioc acid 49.74 of acid remain at equilibrium calcuma the value of k

    asked on February 22, 2015
  6. Science

    The half life of an element x is 5days. If we have 5g of x initially, what is the mass of x after

    asked on February 4, 2020
  7. Careers

    Can I be able to do businesse managent Business .math literacy . tourism.history

    asked on January 13, 2020
  8. Chemistry

    How could you prove that sodium hydroxide is a base without using litmus papes to test? Give an equation for the reaction

    asked on September 18, 2014
  9. Chemistry

    How many grams of a 250- g sample of thorium - 234 would remain after 40 days had passed?

    asked on October 23, 2011
  10. Physics

    Find the electrical energy expended by an electrical and labelled 100 watt in 8 seconds

    asked on January 29, 2020
  11. chemistry

    what volume of oxygen gas measures at s.t.p will be produced from the decomposition of 2.50g of potasium trioxochlorate (v) (K =39,Cl =35.5, O =16 molar volume of a gas at s.t.p =22.4dm-3

    asked on November 19, 2019
  12. English

    How is English related to home economics

    asked on August 9, 2019
  13. Chemistry

    How will you prove that sodium hydroxide is a base without using a litmus paper to test give the equation

    asked on May 19, 2019
  14. Life orientation

    How fruad nd corruption affects the offender's career

    asked on April 28, 2019
  15. chemistry

    calculate the mass of carbon4oxide produce on heating 105g of ethane( C2 H4

    asked on October 29, 2018
  16. probablity

    A set of 60 different days is selected from a given year. Assume that all sets of cardinality 60 are equally likely. Also, for simplicity, assume that the year has only 360 days, divided into twelve 30-day months. Evaluate the probabilities of the

    asked on October 6, 2018
  17. probablity

    Let be independent discrete random variables with E[X]=2, E[Y]=0, E[Z]=0, E[X^2]=20, E[Y^2]=E[Y^2]=16, and Var(X)=Var(Y)=Var(Z)= 16. Let A=X(Y+Z) and B=XY. 1.Find E[B]. 2.Find Var(B). 3.Find E[AB]. 4. are A and B independent? 5.Are A and B are

    asked on October 6, 2018
  18. physics

    A spring 25cm long is stretched to 30cm by a load of 100N what will be it's length when stretched by a load of 200N provided the elastic limit is not exceeded. Pls I need d solutions and steps to solve this problem now it is my assignment to be submitted

    asked on April 25, 2018
  19. mathematics

    in a positive number of two digits,the sum of the digits is 15.if the digits are interchanged the number is increased by 9.find the number.

    asked on May 11, 2017
  20. math

    the sum of the reciprocal of two number is 1/2 twice the reciprocal of the sixth less than five times the reciprocal of the 2nd. what are the original #?

    asked on January 29, 2016
  21. physics

    a man holds a child on his shoulders while watching a football match. How much work has he done if the game lasts for 2 hours

    asked on January 25, 2016
  22. Reading

    sorhab`s classroom, there are 3 rows of 7 desks in each row. How many desks are there in all

    asked on October 6, 2015
  23. Chemistry

    What is the pH of a solution prepared by mixing 24.6 g sodium acetate and 50 mL of 2.5 M acetic acid in a 500 mL flask and filling to volume

    asked on March 21, 2014
  24. Science

    What are the names of three alternative sources of energy and one disadvantage of each?

    asked on June 1, 2013
  25. Science

    Please for information on how to care each classification of metals.

    asked on May 13, 2013
  26. Science

    Please for the classification of metals, their uses in the home and the care of each metal. Please help me!!!!!!

    asked on May 13, 2013
  27. Science

    Please for diagrams to show the terms associated in the study of levers.

    asked on May 8, 2013
  28. Science

    Please explain the terms associated with the study of levers.

    asked on May 8, 2013
  29. Agriculture

    What records should be kept for efficient management of a dairy herd?

    asked on April 7, 2013
  30. fractions with unlike denominators

    What is a easy way to add or subbtract fractions with unlike denominators

    asked on January 9, 2013
  31. calculus

    optimize f(x,y)=(x^4 y^4) subject to 4x^2 9y^2=36

    asked on October 2, 2011
  32. science

    350- to 700-word summary of the personality assessment methods

    asked on August 21, 2009
  33. speech

    why do u want to be a tresurer

    asked on December 7, 2008
  34. english

    Of all of the characters in Animal Farm, are there any who seem to represent the point of view of the author? Which of the animals or people do you think come(s) closest to achieving Orwell's perspective on Animal Farm?

    asked on December 7, 2008
  1. math (grade6)


    posted on February 21, 2020
  2. maths

    D=av+b solving for a and b when v=40,D=150 and when v=54,D=192 150=40a+b.........(1) 192=54a+b.........(2) Subtract (2) from (1) 42=14a divide both sides by 14 a=3 Substitute a =3 into (1) 150=40×3+b 150=120+b b=30. a) find the relationship D=av+b D=3v+b

    posted on February 9, 2020
  3. physics

    9.8 is a constant. It's d value of gravity

    posted on June 8, 2019
  4. maths

    I want answers to questions

    posted on June 2, 2019
  5. Maths

    A city A is 300km due east of city B. City C is 200km on a bearing of 120 degrees from city B. so how far is city C from city A?

    posted on May 2, 2019
  6. Maths

    I need a diagram of the bearing

    posted on May 2, 2019
  7. Chemistry

    Can you kindly give an explanation for your answer

    posted on March 31, 2019
  8. math

    The third term of an a.p. is 9 while the 11th terms is -7 find the first five terms of the a.p

    posted on November 11, 2018
  9. math


    posted on November 11, 2018
  10. Physical education


    posted on October 14, 2018
  11. Probability

    according to me the answer to part 1 is (1-x)*y*z. correct me if i am wrong

    posted on October 6, 2018
  12. probablity

    sorry i missed the notation of variable at the beginning. Let X,Y,Z be independent discrete random variables cntd..

    posted on October 6, 2018
  13. Life Orientation

    I need answers too

    posted on August 21, 2018
  14. math

    The reciprocal of the sixth less than five times The reciprocal of the 2nd.what are the original number

    posted on January 29, 2016
  15. Physics


    posted on September 29, 2015
  16. Chemistry

    But is dat all @DR BOB

    posted on September 18, 2014
  17. college algebra


    posted on January 2, 2014
  18. Science

    Thank you.

    posted on May 13, 2013
  19. Science

    How to care for metals in the home e.g. jewellery, cutlery, roof covering, brass ornaments. Non metals e.g. florescent lamps Metalloids e.g. light bulb, silicon glasses

    posted on May 13, 2013
  20. Science

    All I want to know really is how they can be cared.

    posted on May 13, 2013
  21. Science

    Metals, Non metals and Metalloids

    posted on May 13, 2013
  22. Science

    Thank you

    posted on May 8, 2013
  23. Science

    Please for a diagram to show the following.

    posted on May 8, 2013
  24. Science

    Thank you very much, Ms Sue.

    posted on May 8, 2013
  25. Chemistry

    How many days would pass while 44 g of thorium -234 decayed to 4.4 g of thorium - 234?

    posted on October 23, 2011
  26. english

    but what do u think the answer is

    posted on December 7, 2008