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- Matrices P and Q are given by P = (3 1 2)and Q = (1 2 -1) Find the product PQ.(Solved)
Matrices P and Q are given by P = (3 1 2)and Q = (1 2 -1) Find the product PQ.
Date posted: November 12, 2019. Answers (1)
- Find all the integral values of ?? which satisfy the inequalities
20 - x > 5 + 2 x = x + 5(Solved)
Find all the integral values of x which satisfy the inequalities
20 − x > 5 + 2 x ≥ x + 5
Date posted: November 12, 2019. Answers (1)
- The angle of elevation of the top of a building from a point P is 45o. From another point T, 15 meters nearer the foot...(Solved)
The angle of elevation of the top of a building from a point P is 45o. From another point T, 15 meters nearer the foot of the building, the angle of elevation of the top of the building is 52o. Calculate the height of the building.
Date posted: November 12, 2019. Answers (1)
- Using tables, find the reciprocal of 0.432 and hence evaluate(Solved)
Using tables, find the reciprocal of 0.432 and hence evaluate 
Date posted: November 12, 2019. Answers (1)
- Solve the equation
3x × 3y = 1
22x-y - 64 = 0(Solved)
Solve the equation
3x × 3y = 1
22x−y − 64 = 0
Date posted: November 12, 2019. Answers (1)
- The figure below shows a solid wedge PQRSTU. Complete the solid showing all the hidden edges with dotted lines.(Solved)
The figure below shows a solid wedge PQRSTU. Complete the solid showing all the hidden edges with dotted lines.
Date posted: November 12, 2019. Answers (1)
- A Kenyan bank buys and sells foreign currency as shown in the table below.
A tourist arrived in Kenya with 15000 pounds which he converted into...(Solved)
A Kenyan bank buys and sells foreign currency as shown in the table below.
A tourist arrived in Kenya with 15000 pounds which he converted into Ksh at a commission of 8%.
He later used half of the money before changing the balance into dollars at no commission. Calculate
to the nearest dollar the amount he received.
Date posted: November 12, 2019. Answers (1)
- The sum of two numbers is 23 and their difference is 3. Find the sum of the squares of the two numbers.(Solved)
The sum of two numbers is 23 and their difference is 3. Find the sum of the squares of the two numbers.
Date posted: November 12, 2019. Answers (1)
- Simplify(Solved)
Simplify 
Date posted: November 12, 2019. Answers (1)
- The length of three wires are 36m, 48m and 72m. pieces of wire of equal lengths were cut from the three wires, calculate the least...(Solved)
The length of three wires are 36m, 48m and 72m. pieces of wire of equal lengths were cut from the three wires, calculate the least number of pieces obtained.
Date posted: November 12, 2019. Answers (1)
- Calculate the value of using factor notation.(Solved)
Calculate the value of 
using factor notation.
Date posted: November 12, 2019. Answers (1)
- Evaluate leaving your answer in simplified form(Solved)
Evaluate leaving your answer in simplified form
Date posted: November 12, 2019. Answers (1)
- (a) Using a ruler and a pair of compasses only. Construct triangle ABC in which AB = 5cm, BC = 4.5cm and BAC = 600
(b)...(Solved)
(a) Using a ruler and a pair of compasses only. Construct triangle ABC in which AB = 5cm, BC = 4.5cm and BAC = 600
(b) On the same side of AB as C:
(i) Determine the locus of a point P such that ∠APB=600
(ii) Construct the locus R such that AR ˃ 2cm
(iii) Determine the region T such that ACT ≥ BCT
Date posted: November 12, 2019. Answers (1)
- Two baskets X and Y contain identical balls except for the colors. Basket X contains 6 red balls and 3 black balls. Basket Y contains...(Solved)
Two baskets X and Y contain identical balls except for the colors. Basket X contains 6 red balls and 3 black balls. Basket Y contains 2 red balls and 3 black balls.
(a) If a ball is drawn at random from each basket, find the probability that both balls are of the same color.
(b) If two balls are drawn at random from each basket, one ball at a time without replacement, find the probability that:-
(i) The two balls drawn from basket X or basket Y are red.
(ii) All the four balls drawn are red.
Date posted: November 12, 2019. Answers (1)
- Mrs. Beth wants to buy a flat screen television set on hire purchase. The cash price is Kshs. 28,000. She can pay the cash price...(Solved)
Mrs. Beth wants to buy a flat screen television set on hire purchase. The cash price is Kshs. 28,000. She can pay the cash price or make a down payment of Kshs. 8,000 and 15 monthly instalments of Kshs. 2,000 each. Calculate the rate of compound interest charged per month.
Date posted: November 12, 2019. Answers (1)
- Under a transformation whose matrix y = a triangle whose area is 13.5cm2 is mapped on the triangle whose area is 54cm2. Find two...(Solved)
Under a transformation whose matrix y = 
a triangle whose area is 13.5cm2 is mapped on the triangle whose area is 54cm2. Find two possible values of x.
Date posted: November 12, 2019. Answers (1)
- Make r the subject in the formula:(Solved)
Make r the subject in the formula:
Date posted: November 12, 2019. Answers (1)
- Evaluate without using mathematical tables or calculators:
2 Log105 – ½ Log1016 + 2 Log1040(Solved)
Evaluate without using mathematical tables or calculators:
2 Log105 – ½ Log1016 + 2 Log1040
Date posted: November 12, 2019. Answers (1)
- Use logarithm table to evaluate:(Solved)
Use logarithm table to evaluate:
Date posted: November 12, 2019. Answers (1)
- (a) Fill the table below to 2 d.p for the curves given by y = 3 sin (2? + 30°) and y = Cos 2?...(Solved)
(a) Fill the table below to 2 d.p for the curves given by y = 3 sin (2χ + 30°) and y = Cos 2χ for χ values in the range O ≤ χ ≤ 180°.
(b) Draw the graphs of y = 3 Sin (2χ + 30°) and y= Cos 2χ on same axes.
Date posted: November 11, 2019. Answers (1)