-
The size of an interior angle of a regular polygon is 3x° while its exterior angle is (x-20)°. Find the number of sides of the polygon
Date posted:
March 17, 2018
-
Solving for x using the rules of indices
Date posted:
March 16, 2018
-
A quantity P is partly constant and partly varies as the square of Q. When Q=2,P=40 and when Q=3, P=65. Determine the value of P when Q=4.
Date posted:
March 4, 2018
-
The distance light travels in one year is approximately 5,870,000,000,000 miles. The distance light travels in 100 years will be:
Date posted:
March 1, 2018
-
A piece of wire 40 cm long is bent to form a right-angle whole hypotenuse is 17 cm long.Find the length of each of the other two sides.
Date posted:
February 19, 2018
-
Determine the derivative y' given y=(x+2)(x+3)/(x+1)(x+2)
Date posted:
February 4, 2018
-
What is simple algorithm method?
Date posted:
February 3, 2018
-
The bus fare per passenger (f) is partly constant and partly varies inversely proportional to the number (n) of passengers. The fare per passenger for 40 passengers is k240 and for 50 passengers is k200. calculate the fare per passenger when they are 100 passengers.
Date posted:
January 29, 2018
-
What is the importance of oil palm to the Nigerian economy
Date posted:
January 21, 2018
-
Differentiate between quantitative and qualitative data.
Date posted:
January 15, 2018
-
Give five methods of data presentation.
Date posted:
January 15, 2018
-
What is a ratio as used in Mathematics?
Date posted:
January 12, 2018
-
What does Pythogras theorem state?
Date posted:
January 12, 2018
-
Differentiate between scalar and vector quantities
Date posted:
January 12, 2018
-
Five men each working 10 hours a day take two days to cultivate one acre of land.How long will two men each working six hours a day take to cultivate three acres of land
Date posted:
December 28, 2017
-
Solve $x^2 - 15x + 3 = 0$, giving your answer to 3 significant figures.
Date posted:
December 20, 2017
-
Solve $x^2 = 16$
Date posted:
December 20, 2017
-
Find the sin, cos, and tan of 120°.
Date posted:
December 20, 2017
-
The weight of a piece of meat is given as 15 kg, to the nearest 10 g. Find the relative error and the percentage error.
Date posted:
December 20, 2017
-
Truncate 44.78
Date posted:
December 18, 2017
-
A solution whose volume is 80litres is made up of 40% of water and 60% of alcohol. When x litres of water are added, the percentage of alcohol drops to 40%.
a)find the value of x
b)30litres of water is added to the new solution. Calculate the percentage of alcohol in the new solution
c)If 5litres of solution in (b) above is added to 2litres of the original solution ,calculate, in the simplest form, the ratio of water to that of alcohol in the resulting solution
Date posted:
December 13, 2017
-
Three grades A,B and C of rice were mixed in the ratio 3:4:5.The cost per kg of each of the grades A,B and C were ksh.120,ksh.90 and ksh.60 respectively. calculate
a.the cost of 1kg of the mixture
b.the selling price of 5kg of the mixture given that the mixture was sold at 8% profit.
Date posted:
December 13, 2017
-
water and milk are mixed such that the ratio of the volume of water to that of milk is 4:1. Taking the density of water as 1g/cm^3 and that of milk as 1.2g/cm^3, find the mass in grammes of 2.5 litres of the mixture.
Date posted:
December 13, 2017
-
What is a random experiment as used in statistics?
Date posted:
December 11, 2017
-
The probability that the school team wins a match is 0.6. The probability that the team loses is 0.3 and the probability that the team has is 0.1. The team plays 3 games. What is the probability that the team;(a)wins two matches
(b)either wins all the matches or loses all the matches
(c)wins one match,loses one and ties in one
Date posted:
December 9, 2017
-
Find the equation of a circle whose diameter has the end points (-2,5) and (4,1)
Date posted:
December 9, 2017
-
In a factory, machines A, B and C produce identical balls. The probability that a ball was produced by machine A or B is 11/15. The probability that a ball was produced by a machine B or C is 2/3. lf the probability that a ball was produced by machine A is 1/3, what is the probability that a ball was produced by machine C?
Date posted:
December 9, 2017
-
A bus takes 195 minutes to travel a distance of (2 x +30) km at an average speed of ( x-20) km/hr. calculate the actual distance travelled. Give your answer in kilometers.
Date posted:
December 8, 2017
-
State three disadvantages of secondary data in statistics
Date posted:
December 4, 2017
-
State three types of correlation in statistics.
Date posted:
December 3, 2017