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(a) The bill for completely covering the floor of a rectangular room with carpet costing shs.70 per square metre is shs.1960.If one side of the...
(Solved)
(a) The bill for completely covering the floor of a rectangular room with carpet costing shs.70 per square metre is shs.1960.If one side of the room is X m long; show that the length of the other side is 
b) By leaving a uniform width of ½ m uncovered all round, shs.700 could have been saved. Use this information to form an equation in x and show that it reduces to X2 – 11x + 28 = 0.
c) Solve the equation and hence find the dimensions of the room
Date posted:
August 22, 2019
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Answers (1)
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Solve the inequality below hence represent the solution in a number line.
(Solved)
Solve the inequality below hence represent the solution in a number line.
Date posted:
August 22, 2019
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Answers (1)
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Find the mass of a wooden beam 4m long, 25cm wide and 18cm high if the density of the wood is 625kg/m3.
(Solved)
Find the mass of a wooden beam 4m long, 25cm wide and 18cm high if the density of the wood is 625kg/m3.
Date posted:
August 22, 2019
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Answers (1)
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Solve for the equation
(Solved)
Solve for the equation
Date posted:
August 22, 2019
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Answers (1)
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King’oo spends one-third of his salary on food, one – quarter on rent, three – fifth of the remainder on transport and saves the rest.
(Solved)
King’oo spends one-third of his salary on food, one – quarter on rent, three – fifth of the remainder on transport and saves the rest.If he spends Kshs.1800 on transport, find how much money he saves.
Date posted:
August 22, 2019
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Answers (1)
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A Line passes through A (1, 1) and B(x, y). The mid-point of AB is (3, 5). If line BC is perpendicular to AB, find...
(Solved)
A Line passes through A (1, 1) and B(x, y). The mid-point of AB is (3, 5). If line BC is perpendicular to AB, find the equation of line BC.
Date posted:
August 22, 2019
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Answers (1)
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A certain two – digit number is equivalent to five times the sum of the digits. It is found to be 9 less than the...
(Solved)
A certain two – digit number is equivalent to five times the sum of the digits. It is found to be 9 less than the number formed when the digits are interchanged. Find the number.
Date posted:
August 22, 2019
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Answers (1)
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A bus service number 4 leaves a terminus every 15 minutes. Services 8 and 3 leaves after every 20 and 30 minutes respectively. If all...
(Solved)
A bus service number 4 leaves a terminus every 15 minutes. Services 8 and 3 leaves after every 20 and 30 minutes respectively. If all the three services leave together at 6.00 am, what is the earliest time the three buses will leave together again?
Date posted:
August 22, 2019
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Answers (1)
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The figure below shows a circle centre O. Chord AB subtends 300 at the centre.
(Solved)
The figure below shows a circle centre O. Chord AB subtends 300 at the centre. If the area of the minor segment is 5.25cm2, find the radius of the circle.
Date posted:
August 22, 2019
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Answers (1)
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Solve for X in the equation.
(Solved)
Solve for X in the equation.
Date posted:
August 22, 2019
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Answers (1)
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The base of a triangle is 3cm longer than its height. Given that the area of the triangle is 35cm2, determine the height of the...
(Solved)
The base of a triangle is 3cm longer than its height. Given that the area of the triangle is 35cm2, determine the height of the triangle.
Date posted:
August 22, 2019
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Answers (1)
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Mbom paid Kshs.160 for a blouse after getting a discount of 20%.
(Solved)
Mbom paid Kshs.160 for a blouse after getting a discount of 20%.The vendor made a profit of 30% on the sale of this blouse. What percentage profit would the vendor have made if no discount was allowed?
Date posted:
August 22, 2019
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Answers (1)
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Find the equation of the perpendicular line that passes through the mid – point X of C( - 7 , 8) and
D ( 3...
(Solved)
Find the equation of the perpendicular line that passes through the mid – point X of C( - 7 , 8) and
D ( 3 , - 8)
Date posted:
August 22, 2019
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Answers (1)
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Translation Q is represented by the column vector
(Solved)
Translation Q is represented by the column vector 
and another translation R by
the column vector 
A point S is mapped onto a point T by Q and a point T is mapped into a point U by R.If point U is (8 , - 4) ,determine the co-ordinates of point S.
Date posted:
August 22, 2019
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Answers (1)
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Determine the quartile deviation of the following data 4,9,5,4,7,6,2,1,6,7,8,3
(Solved)
Determine the quartile deviation of the following data 4,9,5,4,7,6,2,1,6,7,8,3
Date posted:
August 22, 2019
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Answers (1)
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Solve the following inequalities and represent the solution on a single number line.
(Solved)
Solve the following inequalities and represent the solution on a single number line.
Date posted:
August 22, 2019
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Answers (1)
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Without using a calculator or tables, find the value of y given that y = (a+b) (x – c)2 and a = 5 , b...
(Solved)
Without using a calculator or tables, find the value of y given that y = (a+b) (x – c)2 and a = 5 , b =6 ,x = -3 and c = 2.
Date posted:
August 22, 2019
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Answers (1)
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Without using tables or calculators, evaluate.
(Solved)
Without using tables or calculators, evaluate.
Date posted:
August 22, 2019
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Answers (1)
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Find the value of x in the equation.
(Solved)
Find the value of x in the equation.
Date posted:
August 20, 2019
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Answers (1)
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Solve for X in the equation.
(Solved)
Solve for X in the equation.
Date posted:
August 20, 2019
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Answers (1)