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- Wekesa and Ndinda working together can cultivate a piece of land in 6 days. Wekesa alone can complete the work in 15 days. After the...(Solved)
Wekesa and Ndinda working together can cultivate a piece of land in 6 days. Wekesa alone can complete the work in 15 days. After the two had worked for 4 days Wekesa withdrew the services. Find the time taken by Ndinda to complete the remaining work.
Date posted: September 23, 2019. Answers (1)
- Expand upto the term in x3. Hence use the expansion above to find the approximate value of (101)5 (Solved)
Expand 
upto the term in x3. Hence use the expansion above to find the approximate value of (101)5
Date posted: September 23, 2019. Answers (1)
- Determine the centre and the radius of a circle whose equation is x2 + 2x = 16y - y2(Solved)
Determine the centre and the radius of a circle whose equation is x2 + 2x = 16y - y2
Date posted: September 23, 2019. Answers (1)
- A box contains 36 balls all of the same size and shape, if y of the balls are red, 19 are white and the rest...(Solved)
A box contains 36 balls all of the same size and shape, if y of the balls are red, 19 are white and the rest are blue. A ball is picked from the box at random. If the probability that this ball is red is 1/3 Find
(a)The value of y
(b)The probability that the ball picked is blue.
Date posted: September 23, 2019. Answers (1)
- Make Q the subject of the formula.(Solved)
Make Q the subject of the formula.
Date posted: September 23, 2019. Answers (1)
- Calculate the standard deviation (S.D) for the set of numbers given:
4, 6, 12,3,9,8. (Solved)
Calculate the standard deviation (S.D) for the set of numbers given:
4, 6, 12,3,9,8.
Date posted: September 23, 2019. Answers (1)
- Find the compound interest on Ksh. 21,000 in 3 years at a Rate of 20% P.a. Compounded semi annually.(Solved)
Find the compound interest on Ksh. 21,000 in 3 years at a Rate of 20% P.a. Compounded semi annually.
Date posted: September 23, 2019. Answers (1)
- An aeroplane flies 125km in the direction 1100. It then changes course and flies for 170km in the direction of 1600. Find by calculation its...(Solved)
An aeroplane flies 125km in the direction 1100. It then changes course and flies for 170km in the direction of 1600. Find by calculation its distance from the starting point.
Date posted: September 23, 2019. Answers (1)
- Find the sum of the first 10 terms of the series: Log x + log x2 + log x3……………(Solved)
Find the sum of the first 10 terms of the series: Log x + log x2 + log x3……………
Date posted: September 23, 2019. Answers (1)
- If
Find the values of a, b and c(Solved)
If 
Find the values of a, b and c
Date posted: September 23, 2019. Answers (1)
- The figure below is a segment of a circle cut-off by chord AB. Line MX is perpendicular Bisector of chord AB.
If AB is 20cm ad...(Solved)
The figure below is a segment of a circle cut-off by chord AB. Line MX is perpendicular Bisector of chord AB.
If AB is 20cm ad MX is 6cm. Calculate the radius of the circle from which the chord was cut.
Date posted: September 23, 2019. Answers (1)
- Solve the simultaneous equations:(Solved)
Solve the simultaneous equations:
Date posted: September 23, 2019. Answers (1)
- A rectangle has a length of 14.6cm and a width of 6.70 cm. Find the percentage Error in calculating the area of the rectangle.(Solved)
A rectangle has a length of 14.6cm and a width of 6.70 cm. Find the percentage Error in calculating the area of the rectangle.
Date posted: September 23, 2019. Answers (1)
- Use Logarithm tables to evaluate(Solved)
Use Logarithm tables to evaluate
Date posted: September 23, 2019. Answers (1)
- Using logarithms, evaluate(Solved)
Using logarithms, evaluate
Date posted: September 23, 2019. Answers (1)
- Make x the subject of the formula:(Solved)
Make x the subject of the formula:
Date posted: September 23, 2019. Answers (1)
- Solve the equation(Solved)
Solve the equation 
Date posted: September 23, 2019. Answers (1)
- Make P the subject of the formula(Solved)
Make P the subject of the formula 
Date posted: September 23, 2019. Answers (1)
- The Nyamira Express company runs a fleet of two types of buses operating between
Nairobi and Kisii. Type A bus has a capacity of 52...(Solved)
The Nyamira Express company runs a fleet of two types of buses operating between
Nairobi and Kisii. Type A bus has a capacity of 52 passengers and 200kg of luggage.
Type B carries 32 passengers and 300kg of luggage. On a certain day, there were 500
passengers with 3500kg of luggage to be transported. The company could only use a
maximum of 15 buses altogether.
a)If the company uses x buses of type A and y buses of type B. Write down all the
inequalities satisfied by the above conditions.
b)Draw the inequalities representing the above information
c)If the cost of running one bus of type A is sh.7200 and that of type B is sh.6000,
find the minimum cost of running the buses.
Date posted: September 23, 2019. Answers (1)
- A particle moves in a straight line with acceleration (5 – 12t) m/s2, t seconds after the start.
Given that the particle started with a velocity...(Solved)
A particle moves in a straight line with acceleration (5 – 12t) m/s2, t seconds after the start.
Given that the particle started with a velocity of 3m/s.
a)Find the velocity in terms of t.
b)Determine the velocity after 2 seconds
c)Determine the maximum velocity attained by the particle
d)Calculate the distance covered after one second.
Date posted: September 23, 2019. Answers (1)