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- In the figure below lines ABC and DC are tangents to the circle at B and D respectively. Angle ACD = 400 and angle
ABE =...(Solved)
In the figure below lines ABC and DC are tangents to the circle at B and D respectively. Angle ACD = 400 and angle
ABE = 600.
Find the size of angle:
(i) CBD.
(ii) CDE.
(iii) BED.
(iv) ABD.
Date posted: April 25, 2019. Answers (1)
- Make n the subject of the formulae in:(Solved)
Make n the subject of the formulae in:
Date posted: April 25, 2019. Answers (1)
- Find the equation of a perpendicular bisector of line PQ, in the form y = mx + C. If the coordinates of P and Q...(Solved)
Find the equation of a perpendicular bisector of line PQ, in the form y = mx + C. If the coordinates of P and Q are
(-2, 6) and (4, -2) respectively.
Date posted: April 25, 2019. Answers (1)
- The currency exchange rates of a given bank in Kenya are as follows.(Solved)
The currency exchange rates of a given bank in Kenya are as follows.
A tourist arrived in Kenya with 5000US dollars which he converted to Kenya shillings upon arrival. He spent
Ksh.214,500 and converted the remaining to sterling pounds. How many pounds did he receive?
Date posted: April 25, 2019. Answers (1)
- Point B is 30m away from point A at a bearing of 1500. Point C is 25m from A at a bearing of 1200. Find...(Solved)
Point B is 30m away from point A at a bearing of 1500. Point C is 25m from A at a bearing of 1200. Find how far C is from B.
Date posted: April 25, 2019. Answers (1)
- The figure below shows a circle centre O diameter 7cm. Angle POQ = 1440.(Solved)
The figure below shows a circle centre O diameter 7cm. Angle POQ = 1440
Date posted: April 25, 2019. Answers (1)
- A point P has the coordinates (1, 2, 3).(Solved)
A point P has the coordinates (1, 2, 3).
(a) the coordinates of point Q.
(b) the modulus of vector PQ.
Date posted: April 25, 2019. Answers (1)
- Use tables of square roots and reciprocals tables to evaluate:(Solved)
Use tables of square roots and reciprocals tables to evaluate:
Date posted: April 25, 2019. Answers (1)
- Solve the equation(Solved)
Solve the equation
Date posted: April 25, 2019. Answers (1)
- Reduce the following expression into a single fraction(Solved)
Reduce the following expression into a single fraction.
Date posted: April 25, 2019. Answers (1)
- Evaluate without using Mathematical tables or the calculator.(Solved)
Evaluate without using Mathematical tables or the calculator.
Date posted: April 25, 2019. Answers (1)
- The cost C, of producing n items varies partly as n and partly as the inverse of n.
To produce two items it cost 50Sh and...(Solved)
The cost C, of producing n items varies partly as n and partly as the inverse of n.
To produce two items it cost 50Sh and to produce six items it costs 70Sh.
Find;
(a) the constants of proportionality and hence write the equation connecting C and n.
(b) the cost of producing 12 items.
(c) the number of items produced at a cost of 106Sh.
Date posted: April 25, 2019. Answers (1)
- The diagram below shows a histogram marks obtained in a certain test.(Solved)
The diagram below shows a histogram marks obtained in a certain test.
(a) Develop a frequency distribution table for the data if the first class 5-9 has a frequency of 8.
(b) Estimate the mean.
(c) Calculate interquatile range.
Date posted: April 25, 2019. Answers (1)
- The diagram below shows a right pyramid VPQRS with V as the vertex and a rectangular base PQRS. PQ = 3cm, QR =4cm. The height...(Solved)
The diagram below shows a right pyramid VPQRS with V as the vertex and a rectangular base PQRS. PQ = 3cm, QR =4cm. The height of the pyramid is 6cm.PM = MQ and OQ = NR.
(a) Calculate.
(i) the length PV.
(ii) the angle between face VPQ and the base.
(b) (i) the slant height VM and VN.
(ii) What is the surface area of the pyramid?
Date posted: April 25, 2019. Answers (1)
- In the figure below AOC is a diameter of the circle centre O. AB = BC and Angle ACD = 350, EBF is a tangent...(Solved)
In the figure below AOC is a diameter of the circle centre O. AB = BC and Angle ACD = 350, EBF is a tangent to the circle at B. G is a point on minor arc CD.
Calculate the size of the following angles giving reasons in each case.
(a) Angle BCD.
(b) Obtuse angle BOD.
(c) Angle BAD.
(d) Angle CGD.
(e) Angle AEB.
Date posted: April 25, 2019. Answers (1)
- Two towns A and B lie on the same parallel of latitudes 600N. If the longitudes of A and B are 420W and 290E respectively.(Solved)
Two towns A and B lie on the same parallel of latitudes 600N. If the longitudes of A and B are 420W and 290E respectively.
(a) Find the distance between A and B in nautical miles along the parallel of latitude.
(b) Find the local time at A if at B is 1.00pm.
(c) Find the distance between A and B in km.
(d) If C is another town due South of A and 10010km away from A, Find the co-ordinate of C.
Date posted: April 25, 2019. Answers (1)
- In below figure PT = 4cm and TQ = 5cm and TS = 2.5cm find TR by calculation.(Solved)
In below figure PT = 4cm and TQ = 5cm and TS = 2.5cm find TR by calculation.
Date posted: April 25, 2019. Answers (1)
- A car valued at Ksh.500,000 in January 2008. Each year, it value depreciates at 12%p.a. Find after how long would the
value depreciate to Ksh.250,000.(Solved)
A car valued at Ksh.500,000 in January 2008. Each year, it value depreciates at 12%p.a. Find after how long would the
value depreciate to Ksh.250,000.
Date posted: April 25, 2019. Answers (1)
- Given that AB = 6cm construct locus of P such that angle APB = 90.(Solved)
Given that AB = 6cm construct locus of P such that angle APB = 90.
Date posted: April 25, 2019. Answers (1)
- Simplify:(Solved)
Simplify:
Date posted: April 25, 2019. Answers (1)