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Demonstrate briefly how introduction of information technology could affect the following:
i. Products and services
ii. Production economics.
iii. Buyers.
iv. Suppliers.
v. Substitute products.
vi. Competitors.
Date posted:
May 13, 2019
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Outline five methods of entering data into a computer system
Date posted:
May 13, 2019
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Describe how you would prepare a sample of iron(II)carbonate,starting with iron metal and dilute hydrochloric acid.
Date posted:
May 13, 2019
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Explain the Effects of the end of Cold War on Africa.
Date posted:
May 13, 2019
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State The fundamental principles of OAU as outlined in the charter.
Date posted:
May 13, 2019
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Explain the Organization of COMESA.
Date posted:
May 13, 2019
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Describe the process of Budget preparation and implementation in Kenya.
Date posted:
May 13, 2019
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What are the factors that influence system of filing?
Date posted:
May 12, 2019
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Propose four safety measures that should be considered when constructing a skide for preschool children.
Date posted:
May 12, 2019
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Test on basics on Mathematics knowledge.
Date posted:
May 11, 2019
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What is an irrevocable agency?
Date posted:
May 11, 2019
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Consider the function
a) state the singularity of f(z).
b) what is the kind of singularity of f(z).
c) find the Laurent series of f(z).
d) what is the region of convergence of f(z)?.
Date posted:
May 10, 2019
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a) Integrate z2 along the straight line OM (direct) and also along the path OLM
consisting of two straight line segments OL and LM. O is the origin and M is the
point z = 3 + i.
b) Show that the integral of z2 along the two different paths are equal.
c) Is the result true for any function other than z2 for the two paths?
Date posted:
May 10, 2019
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Find the fixed points of the bilinear transformation
Date posted:
May 10, 2019
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Find the fixed points of the bilinear transformation
Date posted:
May 10, 2019
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a) Find a bilinear transformation, which transforms the unit circle |z| = 1 into the real
axis of the w plane in such a way that the points z1 = 1, z2 = i, z3 = -1 are mapped onto w1 = 0, w2 = 1, w3 = infinite.
b) In what regions the interior and exterior of the circle are mapped.
Date posted:
May 10, 2019
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Date posted:
May 10, 2019
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Find a bilinear transformation which maps the point z = 0, -i, -1 on the z plane into
w = i, 1, 0 respectively on the w plane.
Date posted:
May 10, 2019
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Explain the nature of the transformation w = z2 considering the semi-circle with centre
the origin and the radius r on the z –plane.
Date posted:
May 10, 2019
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Let w = 3z + 4 – 5i = f(z)
Find the values of w which corresponds to z = -3 + i on the z plane.
Date posted:
May 10, 2019
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Find the image of the point (4, 3) on z plane under the transformation w = 2z2 + 3.
Date posted:
May 10, 2019
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Prove that sin z = sin x cos hy + i cos x sin hy
Date posted:
May 10, 2019
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Prove that f(z) = 2z2 is continuous at z = z0
Date posted:
May 10, 2019
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The table below shows income tax rates.
A company employee earns a monthly salary Kshs 32,000 and is also given a taxable house allowance amounting to
Kshs 1784 per month.
(a) Calculating his total income tax in K£ per month.
(b) The employee is entitled to a personal relief of Kshs 1700 per month determine his tax.
(c) If the employee is entitled to a personal relief of Kshs 1700 per month determine his tax.
Date posted:
May 10, 2019
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The position of the two towns P and Q on the earths surface are (60°N 139°E) and (60°N, 41°W) respectively.
a) Find the latitude difference between P and Q.
(b) i) Given that the radius of the earth is 6370km, calculate the distance between P and Q (i) via the North pole.
(ii) Along the parallel of latitude.
(c) Another town R is 420km east of town P and on the same latitude as P and Q. Find the longitude of town R.
Date posted:
May 10, 2019
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The table below shows the distribution of marks of 50 students in an opener examination.
(a) i) Find the value of y.
(ii) State the modal class.
(b) Using an assumed mean of 45.5 find the mean.
(c) Calculate
(i) Variance.
(ii) Standard deviation.
Date posted:
May 10, 2019
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Make P the subject of the formula.
Date posted:
May 10, 2019
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Point A(3, 4) is mapped onto A1 (7, 8) by an enlargement scale factor 3, determine the centre of enlargement.
Date posted:
May 10, 2019
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Solve for m in the given equation
Date posted:
May 10, 2019
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A quantity y is partly constant and partly varies as x. If x = 7, y = 4 and x = 16, y = 40. Find the equation connecting x
and y . Find the value of x when y = 30.
Date posted:
May 10, 2019