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- Describe the shape taken by the indifference curve of perfect complements (Solved)
Describe the shape taken by the indifference curve of perfect complements
Date posted: August 15, 2019.
- Describe the shape taken by the indifference curve of perfect substitutes (Solved)
Describe the shape taken by the indifference curve of perfect substitutes
Date posted: August 15, 2019.
- Highlight the economic assumptions about consumer preferences (Solved)
Highlight the economic assumptions about consumer preferences
Date posted: August 15, 2019.
- How do price and income policies control inflation(Solved)
How do price and income policies control inflation
Date posted: August 15, 2019.
- A differential amplifier has a voltage gain of 150 and a CMRR of 90 dB.(Solved)
A differential amplifier has a voltage gain of 150 and a CMRR of 90 dB. The input signals are 50 mV and 100 mV with 1 mV of noise on each input. Find (i) the output signal (ii) the noise on the output.
Date posted: August 15, 2019.
- How do monetary policies control inflation(Solved)
How do monetary policies control inflation
Date posted: August 15, 2019.
- How do fiscal policies control inflation(Solved)
How do fiscal policies control inflation
Date posted: August 15, 2019.
- A differential amplifier has an output of 1V with a differential input of 10 mV and an output of 5 mV with a common-mode input...(Solved)
A differential amplifier has an output of 1V with a differential input of 10 mV and an output of 5 mV with a common-mode input of 10 mV. Find the CMRR in dB.
Date posted: August 15, 2019.
- A private farmer in Mwea produced 14,400bags of rice in 2008. This was a decrease of 20% over the production in 2007. In 2009 he...(Solved)
A private farmer in Mwea produced 14,400bags of rice in 2008. This was a decrease of 20% over the production in 2007. In 2009 he increased production by 30%. In 2010,he managed to produce 12,000 bags of rice.
a) Find the number of bags of rice he produced in;
i) 2007
ii) 2009
b) What was the percentage decrease in production in 2010 over that of
previous year?
c) Calculate the percentage decrease in production in 2010 over that in 2007
d) The price per bag of rice was Ksh 3500 in 2010, how much did he get if he
sold 65% of the produce in that year.
Date posted: August 15, 2019.
- List any three factors that influence international trade.(Solved)
List any three factors that influence international trade.
Date posted: August 15, 2019.
- What are consumer preferences?(Solved)
What are consumer preferences?
Date posted: August 15, 2019.
- State the various policies used as remedies of inflation (Solved)
State the various policies used as remedies of inflation
Date posted: August 15, 2019.
- A certain differential amplifier has a differential voltage gain of 2000 and a common mode gain of 0.2. Determine CMRR and express it in dB.(Solved)
A certain differential amplifier has a differential voltage gain of 2000 and a common mode gain of 0.2. Determine CMRR and express it in dB.
Date posted: August 15, 2019.
- Highlight the external effects of inflation (Solved)
Highlight the external effects of inflation
Date posted: August 15, 2019.
- Identify the internal effects of inflation (Solved)
Identify the internal effects of inflation
Date posted: August 15, 2019.
- Discuss the Voltage Gains of DA(Solved)
Discuss the Voltage Gains of DA
Date posted: August 15, 2019.
- Four towns P, Q, R and S are such that town Q is 120km due east of town P. Town R is 160km due north...(Solved)
Four towns P, Q, R and S are such that town Q is 120km due east of town P. Town R is 160km due north of town Q, town S is on a bearing of 3300 from P and on a bearing of 3000 from R.
a) Using ruler and compasses only, show the relative positions of towns P,Q,R and S. Take a scale of 1cm rep 50km.
b) Determine
i) The distance SP in km
ii) The bearing of S from Q
iii) How far north, S is, from line QP produced.
Date posted: August 15, 2019.
- Study the table of energy consumption in Mt. Kenya Region.(Solved)
Study the table of energy consumption in Mt. Kenya Region.
(a) Using the scale 1 cm rep. 40 million tones, draw proportional circles to represent the consumption of the three sources of energy in Nairobi and Nyeri.
(b) (i) Calculate the percentage of gas consumption in Nyeri.
(ii) Comment on the high consumption of oil in Nairobi and wood in Nyeri.
Date posted: August 15, 2019.
- Discuss the Double-ended Input Operation of DA(Solved)
Discuss the Double-ended Input Operation of DA
Date posted: August 15, 2019.
- A flag post 12m long is fixed on top of a tower. From a point on horizontal ground, the angles of elevation of the top...(Solved)
A flag post 12m long is fixed on top of a tower. From a point on horizontal ground, the angles of elevation of the top and bottom of the flag post are 460 and 330 respectively.
Calculate
a) The horizontal distance from the point on the ground to the base of the tower.
b) The total height of the tower and the flag.
c) The shortest distances from the point on the ground to
i) The top of the flag post.
ii) The top of the tower.
Date posted: August 15, 2019.
- The figure below shows a portable Kennel.
a) Calculate
i) The total surface area of the walls and the floor.
ii) The total area of the roof....(Solved)
The figure below shows a portable Kennel.
a) Calculate
i) The total surface area of the walls and the floor.
ii) The total area of the roof.
b) The cost of roofing is Ksh 500 per square meter and that of making walls and floor is Ksh 600 per m2.Find the cost of making the Kennel.
c) Find the cost of roofing another Kennel whose dimensions are 50% more than those of the given Kennel
d) Calculate the volume of air inside the Kennel in cm3.
Date posted: August 15, 2019.
- The table below represents the marks scored by form 4 students in an end of term examination.Calculate the upper quartile.(Solved)
The table below represents the marks scored by form 4 students in an end of term examination.
Calculate the upper quartile.
Date posted: August 15, 2019.
- Explain the Common-mode and Differential-mode Signals(Solved)
Explain the Common-mode and Differential-mode Signals
Date posted: August 15, 2019.
- A poultry farmer has twenty times as many hens as turkeys and three quarters as many ducks as turkeys.
a) If there are t, turkeys, write...(Solved)
A poultry farmer has twenty times as many hens as turkeys and three quarters as many ducks as turkeys.
a) If there are t, turkeys, write down a simplified expression in terms of t for the total number of birds on the farm.
b) Given that he has 72 ducks, calculate as a percentage the sum of turkeys and ducks to the number of hens on the farm.
Date posted: August 15, 2019.
- Explain the Basic Circuit of Differential Amplifier(Solved)
Explain the Basic Circuit of Differential Amplifier
Date posted: August 15, 2019.
- The figure below shows an arc ACE of a circle with centre O and radius 6cm. If BC=CD=4cm, calculate the area of the shaded region...(Solved)
The figure below shows an arc ACE of a circle with centre O and radius 6cm. If BC=CD=4cm, calculate the area of the shaded region if DE=AB =1.53cm.
Date posted: August 15, 2019.
- The coordinates of the points P and Q are (1, -2) and (4, 10) respectively. A point T divides the line PQ in the ratio...(Solved)
The coordinates of the points P and Q are (1, -2) and (4, 10) respectively. A point T divides the line PQ in the ratio 2:1
a) Determine the coordinates of T
b) Find the equation of the line perpendicular to PQ and passing through T.
Date posted: August 15, 2019.
- A sales man earns a basic wage of Ksh 1,500 per week. In addition , he is paid commission per week as follows:
...(Solved)
A sales man earns a basic wage of Ksh 1,500 per week. In addition , he is paid commission per week as follows:
Commission
For sales up to Ksh 50,000 0%
For sales above Ksh 50,000
i) For the first Ksh 25,000 2%
ii) For the next Ksh 25,000 2 ½ %
iii) For any amount above Ksh100,000 5%
During that week, he sold goods worth Ksh 115,000.What was his total pay for that week?
Date posted: August 15, 2019.
- differential amplifier has an open-circuit voltage gain of 100. The input signals are 3.25 V and 3.15V. Determine the output voltage.(Solved)
differential amplifier has an open-circuit voltage gain of 100. The input signals are 3.25 V and 3.15V. Determine the output voltage.
Date posted: August 15, 2019.
- Solve for x and y in the equation
36x(24)y = 192(Solved)
Solve for x and y in the equation
36x(24)y = 192
Date posted: August 15, 2019.