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- Tsuma bought some rice at sh 30 per kg.He packed two- fifths of the rice in 2kg packets which he sold at shs. 85 per...(Solved)
Tsuma bought some rice at sh 30 per kg.He packed two- fifths of the rice in 2kg packets which he sold at shs. 85 per packet. He packed the other three- fifths in 3 kg packets and sold thee at shs. 120 per packet. He sold all the rice in this way and made a profit of sh. 4400.
a) Determine the amount of rice bought.
b) Calculate to one decimal place.
i) The percentage profit he made.
ii) The percentage profit she would have made if he had sold all the rice in 2kg packet.
Date posted: August 15, 2019.
- Distinguish between a fault and a fold. (Solved)
Distinguish between a fault and a fold.
Date posted: August 15, 2019.
- which led to the development of Amsterdam as an entree-port.(Solved)
which led to the development of Amsterdam as an entree-port.
Date posted: August 15, 2019.
- In The figure , The circle centre O is the circum circle of triangle PQR and also the in circle of triangle ABC.
Given that angle...(Solved)
In The figure , The circle centre O is the circum circle of triangle PQR and also the in circle of triangle ABC.
Given that angle BAC = 620 and angle ACB = 440
Calculate
a) < PQR
b) < QPR
c) < POQ
d) if BC = 10 cm, calculate the radius of the circle.
Date posted: August 15, 2019.
- Name any three urban land-use zones.(Solved)
Name any three urban land-use zones.
Date posted: August 15, 2019.
- Use tables of reciprocal only to work out(Solved)
Use tables of reciprocal only to work out
Date posted: August 15, 2019.
- You intend to carry out a field study of a weather station in your school.
Give two methods of recording data that you are likely to...(Solved)
You intend to carry out a field study of a weather station in your school.
Give two methods of recording data that you are likely to use.
Date posted: August 15, 2019.
- Under an enlargement centre ( 2,1) the image of P ( 1,-1) is P` ( 4,5). Determine the scale factor of the enlargement(Solved)
Under an enlargement centre ( 2,1) the image of P ( 1,-1) is P` ( 4,5). Determine the scale factor of the enlargement
Date posted: August 15, 2019.
- What are the characteristic features of slums in Nairobi?(Solved)
What are the characteristic features of slums in Nairobi?
Date posted: August 15, 2019.
- Give atleast three reasons that have hindered the growth and development of trade within the COMESA region.(Solved)
Give atleast three reasons that have hindered the growth and development of trade within the COMESA region.
Date posted: August 15, 2019.
- Given that a = 3, b = -1 and C = 2 evaluate(Solved)
Given that a = 3, b = -1 and C = 2 evaluate
Date posted: August 15, 2019.
- What does Kenya stand to gain by the revival of the East African Community?(Solved)
What does Kenya stand to gain by the revival of the East African Community?
Date posted: August 15, 2019.
- The acceleration, ams-2, of a particle is given by a = 25 – 9t2, where t is time in seconds after the particles passes a...(Solved)
The acceleration, ams-2, of a particle is given by a = 25 – 9t2, where t is time in seconds after the particles passes a fixed point O.If the particle passes O, With a velocity of 4 ms-1 find.
a) An expression for velocity v, in terms of t.
b) The velocity of the particle when t = 2 seconds.
Date posted: August 15, 2019.
- Explain the meaning of Regional Co-operation.(Solved)
Explain the meaning of Regional Co-operation.
Date posted: August 15, 2019.
- Give two examples of sedimentary rocks.
(Solved)
Give two examples of sedimentary rocks.
Date posted: August 15, 2019.
- The sum of the digits in three digit number is nine. The tens ten is digits half the sum of the other two and the...(Solved)
The sum of the digits in three digit number is nine. The tens ten is digits half the sum of the other two and the hundreds digit is half the units digit. Find the number.
Date posted: August 15, 2019.
- Differentiate between the weak and the strong axioms of revealed preferences (Solved)
Differentiate between the weak and the strong axioms of revealed preferences
Date posted: August 15, 2019.
- Describe the behavior of the marginal rate of substitution for the various types of goods
Perfect substitutes
Neutral goods
Perfect compliments
Imperfect substitutes (Solved)
Describe the behavior of the marginal rate of substitution for the various types of goods
Perfect substitutes
Neutral goods
Perfect compliments
Imperfect substitutes
Date posted: August 15, 2019.
- Simplify the expression(Solved)
Simplify the expression
Date posted: August 15, 2019.
- Explain any three factors that have hindered trade between Kenya and her African neighbours.(Solved)
Explain any three factors that have hindered trade between Kenya and her African neighbours.
Date posted: August 15, 2019.
- Find the equation of a line perpendicular to 2x +4Y = 8, which crosses the line at its y –Intercept.(Solved)
Find the equation of a line perpendicular to 2x +4Y = 8, which crosses the line at its y –Intercept.
Date posted: August 15, 2019.
- If x: y = 4:7 and y :z = 5:3 find the ratio x:y: z(Solved)
If x: y = 4:7 and y :z = 5:3 find the ratio x:y: z
Date posted: August 15, 2019.
- Describe the utility function (Solved)
Describe the utility function
Date posted: August 15, 2019.
- Give the two approaches to the study of utility (Solved)
Give the two approaches to the study of utility
Date posted: August 15, 2019.
- Describe the shape taken by the indifference curve of imperfect substitutes (Solved)
Describe the shape taken by the indifference curve of imperfect substitutes
Date posted: August 15, 2019.
- What is Preferential Trade Area (PTA)?(Solved)
What is Preferential Trade Area (PTA)?
Date posted: August 15, 2019.
- Describe the shape taken by the indifference curve of neutral goods (Solved)
Describe the shape taken by the indifference curve of neutral goods
Date posted: August 15, 2019.
- The diagram below (not drawn to scale) shows the position of a harbor H and three islands A,B and C. C is due North of...(Solved)
The diagram below (not drawn to scale) shows the position of a harbor H and three islands A,B and C. C is due North of H. The bearing of A from H is 0620 and angle HAB=1280 HA=54km and AB=31km.
a) Calculate the distance HB
b) Find the bearing of B from A
c) Given that the bearing of A from C is 1330, calculate AC
d) A light ship L is positioned due North of H and equidistant from A and H.
Calculate HL.
Date posted: August 15, 2019.
- The differential amplifier shown in Fig. 7.14 has a differential voltage gain of 2500 and a CMRR of 30,000.(Solved)
The differential amplifier shown in Fig. 7.14 has a differential voltage gain of 2500 and a CMRR of 30,000. A single-ended input signal of 500 μV r.m.s. is applied. At the same time, 1V, 50 Hz interference signal appears on both inputs as a result of radiated pick-up from the a.c. power system.
(i) Determine the common-mode gain.
(ii) Express the CMRR in dB.
(iii) Determine the r.m.s. output signal.
(iv) Determine the r.m.s. interference voltage on the output.
Date posted: August 15, 2019.
- Describe the shape taken by the indifference curve of bad goods (Solved)
Describe the shape taken by the indifference curve of bad goods
Date posted: August 15, 2019.