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- Nairobi and Mtito Andei are 240km apart. A bus left Nairobi at 9:00am and travelled towards Mtito Andei at 80km/hr. 45 minutes later, a car...(Solved)
Nairobi and Mtito Andei are 240km apart. A bus left Nairobi at 9:00am and travelled towards Mtito Andei at 80km/hr. 45 minutes later, a car left Mtito Andei for Nairobi at a speed of 100Km/hr.Calculate the distance covered by the bus before meeting the car.
Date posted: August 16, 2019. Answers (1)
- Simplify the expression.(Solved)
Simplify the expression.
Date posted: August 16, 2019. Answers (1)
- Without using logarithm tables or calculator evaluate;(Solved)
Without using logarithm tables or calculator evaluate;
Date posted: August 16, 2019. Answers (1)
- 6 men working 5 hours a day can do a job in 32 days. How long will the same job takes 4 men working 8...(Solved)
6 men working 5 hours a day can do a job in 32 days. How long will the same job takes 4 men working 8 hours a day?
Date posted: August 16, 2019. Answers (1)
- P (5, -4) and Q (-1, -2) are points on a straight line. Find the equation of the perpendicular bisector of PQ giving your answer...(Solved)
P (5, -4) and Q (-1, -2) are points on a straight line. Find the equation of the perpendicular bisector of PQ giving your answer in the form y = mx + c.
Date posted: August 16, 2019. Answers (1)
- Without using mathematical tables or calculator evaluate;
(Solved)
Without using mathematical tables or calculator evaluate;
Date posted: August 16, 2019. Answers (1)
- The figure below shows two circles that intersect at point W and X.Point A is the centre of smaller circle and lies on the circumference...(Solved)
The figure below shows two circles that intersect at point W and X.Point A is the centre of smaller circle and lies on the circumference of the larger circle BXZ and BWY are straight lines. Angle WBX = 550 and angle WYZ = 800.
Find the following angles giving reasons.
(a) The obtuse angle WAX
(b) Angle WYZ
(c) Angle XWZ
(d) Angle WXA
(e) Angle AXB
Date posted: August 16, 2019. Answers (1)
- Town A is at (300S, 200E) and town B is at (300S, 300W). A plane leaves A at 8:00 a.m traveling at a speed of...(Solved)
Town A is at (300S, 200E) and town B is at (300S, 300W).A plane leaves A at 8:00 a.m traveling at a speed of 850 km/h to town B (take pi = 3.142)
(a) What time was town B when the plane was leaving town A.
(b) How long does the plane take to reach town B (take radius of the earth to be 6400km).
(c) After reaching, the plane continues due west for one further hour until it reaches town C.Give the position of C.
Date posted: August 16, 2019. Answers (1)
- Simplify the expression(Solved)
Simplify the expression
Date posted: August 16, 2019. Answers (1)
- A particle moves on a straight line. The velocity after to seconds is given by v = 3t2 – 6t – 8. The distance of...(Solved)
A particle moves on a straight line. The velocity after to seconds is given by v = 3t2 – 6t – 8. The distance of the particle from the origin after one second is 10 metres. Calculate the distance of the particle from the origin after 2 seconds.
Date posted: August 16, 2019. Answers (1)
- Five pupils A, B, C, D and E obtained the marks 53,41,60,80 and 56 respectively. The table below shows part of the work to find...(Solved)
Five pupils A, B, C, D and E obtained the marks 53,41,60,80 and 56 respectively. The table below shows part of the work to find the standard deviation.
(a) Complete the table.
(b) Find the standard deviation
Date posted: August 16, 2019. Answers (1)
- Factorize completely 3x2 – 2xy-y2.(Solved)
Factorize completely 3x2 – 2xy-y2.
Date posted: August 16, 2019. Answers (1)
- The angle of elevation of the top of a tower from a point x on the horizontal is 28.5.From another point y, 8 meters near...(Solved)
The angle of elevation of the top of a tower from a point x on the horizontal is 28.5.From another point y, 8 meters near to the base of the tower, the angle of elevation of the top of the tower is 37.20. Calculate, to one decimal place, the height of the tower.
Date posted: August 16, 2019. Answers (1)
- Find the equation of a straight line that is parallel to the line whose equation is 2y – 5x-8=0 and passes through A where A...(Solved)
Find the equation of a straight line that is parallel to the line whose equation is 2y – 5x-8=0 and passes through A where A is a point of intersection of 3x – 2y = 0 and 3x + y = 81.
Date posted: August 16, 2019. Answers (1)
- Security light poles have been erected along both sides of a street in Ndhiwa town. The poles are 50m apart a long the...(Solved)
Security light poles have been erected along both sides of a street in Ndhiwa town. The poles are 50m apart a long the left hand side of the road while they are 80m a part a long the right hand side. At one end of the road the poles are directly opposite each other. How many poles will be erected by the time the poles are directly opposite each other at the end of the road?
Date posted: August 16, 2019. Answers (1)
- Solve for X in the equation;(Solved)
Solve for X in the equation;
Date posted: August 16, 2019. Answers (1)
- Solve the equation;(Solved)
Solve the equation;
Date posted: August 16, 2019. Answers (1)
- Find the value of X if(Solved)
Find the value of X if
Date posted: August 16, 2019. Answers (1)
- One interior angle of a certain polygon is 840. If each of the other angles is 1470, how many sides does this polygon have?(Solved)
One interior angle of a certain polygon is 840. If each of the other angles is 1470, how many sides does this polygon have?
Date posted: August 16, 2019. Answers (1)
- Two equal circles with centres O and Q and radius 8cm intersect at point A and B as shown below
Given that the distance between O...(Solved)
Two equal circles with centres O and Q and radius 8cm intersect at point A and B as shown below
Given that the distance between O and Q is 12cm and that line AB meets OQ at X, find
(a) the length of chord AB
(b) the area of the shaded region
(c) the reflex angle AOB
Date posted: August 16, 2019. Answers (1)