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- What is soil conservation?(Solved)
What is soil conservation?
Date posted: November 7, 2019.
- A number 0.7 is truncated to 3.sf. Calculate the percentage error due to the truncation.(Solved)
A number 0.7 is truncated to 3.sf. Calculate the percentage error due to the truncation.
Date posted: November 7, 2019.
- Give the forms of business units(Solved)
Give the forms of business units
Date posted: November 7, 2019.
- You are to carry out a field study of a river within the vicinity of your school.
(i) State two reasons why you need a working...(Solved)
You are to carry out a field study of a river within the vicinity of your school.
(i) State two reasons why you need a working schedule.
(ii) State two characteristics of a river you are likely to observe in its lower course.
(iii) State two follow up activities you are likely to carry out after the study.
Date posted: November 7, 2019.
- Find the terms of the series 2 + 6 + 10 + 14 + . . . . . . that will give a sum...(Solved)
Find the terms of the series 2 + 6 + 10 + 14 + . . . . . . that will give a sum of 800.
Date posted: November 7, 2019.
- The hire purchase price of a machine is sh 36750. If 10% is paid as deposit and the rest of the money is spread over...(Solved)
The hire purchase price of a machine is sh 36750. If 10% is paid as deposit and the rest of the money is spread over 15 equal monthly installments, find the amount payable every month.
Date posted: November 7, 2019.
- Describe three processes by which a river transports its load.(Solved)
Describe three processes by which a river transports its load.
Date posted: November 7, 2019.
- A variable N varies as the square of r and inversely as the square roots of P. What is in the percentage change in N...(Solved)
A variable N varies as the square of r and inversely as the square roots of P. What is in the percentage change in N if r is increased by 15% and P id deceased by 36%.
Date posted: November 7, 2019.
- A form four Geography class is planning to carry out a field study in Kakamega forest.
(i) State how they would use the following tools during...(Solved)
A form four Geography class is planning to carry out a field study in Kakamega forest.
(i) State how they would use the following tools during the study.
- A tape recorder
- A sketch map
- A camera
(ii) Give three methods they would use to collect the data during the study
Date posted: November 7, 2019.
- The diagram below represents a kidney nephron.(Solved)
The diagram below represents a kidney nephron.
(a) Name the parts labeled G, and H.
(b) Name the process that takes place in the glomerulus.
(c) Name the substances that are reabsorbed into the blood at the part labeled J.
(d) A patient was found to pass out large volumes of dilute urine.
(i) State the disease from which the patient was suffering from.
(ii) What is the cause of the disease stated in (d) (i) above?
(e) Name substance K.
Date posted: November 7, 2019.
- The diagram below shows a types of fold.(Solved)
The diagram below shows a types of fold.
Name the features marked x, y and z
With the aid of a labelled diagram, describe how an over thrust fold is formed.
Explain four effects of fold mountains on climate.
Form four students in your school are planning to study land forms through field work.Give four reasons why it is important to study the folded land forms through fieldwork.
Date posted: November 7, 2019.
- Solve for the value of x if(Solved)
Solve for the value of x if
![fig167112019906.png](/questions/uploads/fig167112019906.png)
Date posted: November 7, 2019.
- Work out the chance that a son of a normal man and a woman who is a carrier for haemophilia will be a haemophiliac. Let...(Solved)
Work out the chance that a son of a normal man and a woman who is a carrier for haemophilia will be a haemophiliac. Let the gene for normal blood clotting be H.
Date posted: November 7, 2019.
- The diagram below represents a germinating seedling.(Solved)
The diagram below represents a germinating seedling.
(i) State the type of germination shown in the diagram.
(ii) Name the part labeled E.
(iii) What is the function of the endosperm labeled F?
Date posted: November 7, 2019.
- Wanyama bought maize flour, sorghum and millet at sh 12, sh 15 and sh 18 per kg respectively. He mixes them in the ratio 1...(Solved)
Wanyama bought maize flour, sorghum and millet at sh 12, sh 15 and sh 18 per kg respectively. He mixes them in the ratio 1 : 2 : x respectively. After selling the mixture at sh 19.20 he made a profit of 20%. Find the value of x.
Date posted: November 7, 2019.
- Expand (1 + 1/2x)5 upto the term on x³, use the expansion to estimate the value of (1.05)5 correct to 4 significant figures.(Solved)
Expand (1 + 1/2x)5 upto the term on x³, use the expansion to estimate the value of (1.05)5 correct to 4 significant figures.
Date posted: November 7, 2019.
- The diagram below represents a human digestive system.(Solved)
The diagram below represents a human digestive system.
(a) Name the muscles found in the part labeled A.
(b) Name and explain the role of the juice contained in the sac labeled B.
(c) Explain two adaptations of the part labeled D to its function.
Date posted: November 7, 2019.
- The diagram below shows an upland area.(Solved)
The diagram below shows an upland area.
(a) Name the feature P, Q and R.
(b) How is a u-shaped valley formed?
Date posted: November 7, 2019.
- Make P the subject of the formula.(Solved)
Make P the subject of the formula.
![fig107112019847.png](/questions/uploads/fig107112019847.png)
Date posted: November 7, 2019.
- Solve for y in the equation 2sin²y - 1 = Cos² y + sin y. For values of 0° = y = 360°.(Solved)
Solve for y in the equation 2sin²y - 1 = Cos² y + sin y. For values of 0° ≤ y ≤ 360°.
Date posted: November 7, 2019.
- Give two characteristics of basic lava domes.(Solved)
Give two characteristics of basic lava domes.
Date posted: November 7, 2019.
- Given the vectors a=3j + 2k and b=4i - 7k and that p = 3a - b. Find the value of |p| to 2 d.p.(Solved)
Given the vectors a=3j + 2k and b=4i - 7k and that p = 3a - b. Find the value of |p| to 2 d.p.
Date posted: November 7, 2019.
- The equation of a circle is x² + 4x + y² - 5 = 0. Find the centre and the radius of the circle.(Solved)
The equation of a circle is x² + 4x + y² - 5 = 0. Find the centre and the radius of the circle.
Date posted: November 7, 2019.
- Solve for the value of x in(Solved)
Solve for the value of x in
![fig57112019833.png](/questions/uploads/fig57112019833.png)
Date posted: November 7, 2019.
- The diagram below shows a circle centre O. AP is the tangent to the circle. Angle OPA is 23°. Find the length of the tangent.(Solved)
The diagram below shows a circle centre O. AP is the tangent to the circle. Angle OPA is 23°. Find the length of the tangent.
![fig37112019829.png](/questions/uploads/fig37112019829.png)
Date posted: November 7, 2019.
- Given that leaving your answer in form of v?? +v??(Solved)
Given that
leaving your answer in form of √𝐴 +√𝐵
Date posted: November 7, 2019.
- Complete the following nuclear equation(Solved)
(a) Complete the following nuclear equation
(b) 100g of a radioactive substance was reduced to 12.5g within 15.6 years. Determine
the half-life of the substance
Date posted: November 7, 2019.
- Study the information in the following table and answer the questions that follow. The letters do not represent the actual chemical symbols of the elements.(Solved)
Study the information in the following table and answer the questions that follow. The letters do not represent the actual chemical symbols of the elements.
Which of the above elements are:
(i) Likely to be radioactive?
(ii) Able to form a compound with the highest ionic character?
Date posted: November 7, 2019.
- Study the nuclear reactions given and answer the questions that follow:(Solved)
Study the nuclear reactions given and answer the questions that follow:
(a) Write an equation for the nuclear reaction in step II
(b) Give one use of Y
Date posted: November 6, 2019.
- Describe the components of a cooling system of a tractor.(Solved)
Describe the components of a cooling system of a tractor.
Date posted: November 6, 2019.