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Solve the equation below
(Solved)
Solve for
in the equation sin 
Date posted:
November 8, 2019
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Answers (1)
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Make h the subject of the formula
(Solved)
Given that b =
,make h the subject of the formula
Date posted:
November 8, 2019
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Answers (1)
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Use logarithms tables to evaluate
(Solved)
Use logarithms tables to evaluate

Date posted:
November 8, 2019
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Answers (1)
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The points A1(3,2) and B1 (4,-1) are the images of A and B respectively under a translation. Given that the coordinates of A are (0,1),find...
(Solved)
The points A1(3,2) and B1 (4,-1) are the images of A and B respectively under a translation. Given that the coordinates of A are (0,1),find the coordinate of B.
Date posted:
November 7, 2019
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Answers (1)
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Find the equation of a tangent to the curve y=x3 – 2x2 +3x -1 at x=2.
(Solved)
Find the equation of a tangent to the curve y=x3 – 2x2 +3x -1 at x=2.
Date posted:
November 7, 2019
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Answers (1)
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A (-1, 3) and B (3, 5) are points on the Cartesian plane. Determine the equation of the perpendicular bisector of AB in the form...
(Solved)
A (-1, 3) and B (3, 5) are points on the Cartesian plane. Determine the equation of the perpendicular bisector of AB in the form ax + by +c=0.
Date posted:
November 7, 2019
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Answers (1)
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The figure below (Not drawn to scale) shows the cross-section of a metal bar of length 3metres. The ends are equal semi-circles. (use ?=3.142)
Determine the...
(Solved)
The figure below (Not drawn to scale) shows the cross-section of a metal bar of length 3metres. The ends are equal semi-circles. (use Π=3.142)

Determine the mass of the metal bar in kg if the density of the metal is 2.35g/cm3. (Give your answer to two 2dp).
Date posted:
November 7, 2019
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Answers (1)
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The figure shows part of a cuboid ABCDEFGH complete the diagram showing the hidden edges with broken lines.
(Solved)
The figure shows part of a cuboid ABCDEFGH complete the diagram showing the hidden edges with broken lines.

Date posted:
November 7, 2019
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Answers (1)
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The figure below is a velocity –time graph of a certain car.
a) Find the total distance traveled by the car.
b) Calculate the deceleration of...
(Solved)
The figure below is a velocity –time graph of a certain car.

a) Find the total distance traveled by the car.
b) Calculate the deceleration of the car.
Date posted:
November 7, 2019
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Answers (1)
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Evaluate.
(Solved)
Evaluate. 
Date posted:
November 7, 2019
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Answers (1)
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A coin is biased such that it shows a tail with the probability of 1/3 . The same coin is tossed three times find the...
(Solved)
A coin is biased such that it shows a tail with the probability of 1/3 . The same coin is tossed three times find the probability of obtaining.
i) Two coins on the first two tosses.
ii) A head, a tail and a tail in that order.
iii) Two heads and one tail
Date posted:
November 7, 2019
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Answers (1)
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The probability that Peter will be selected for his school hockey team is 1/3. If he is selected for the hockey team, then the probability...
(Solved)
The probability that Peter will be selected for his school hockey team is 1/3. If he is selected for the hockey team, then the probability of being selected for basketball is 4/7 .
i) Draw a tree diagram to represent the above information.
ii) Using the tree diagram or otherwise, calculate the probability that Peter is selected for at least one of the terms.
Date posted:
November 7, 2019
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Answers (1)
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The figure below shows frustrum ABCDEFH of a right pyramid. AB = 24cm, BC = 10cm, FG = 18cm, GH=7.5cm and AF = BG =...
(Solved)
The figure below shows frustrum ABCDEFH of a right pyramid. AB = 24cm, BC = 10cm, FG = 18cm, GH=7.5cm and AF = BG = CH = DE = 15cm.

Determine.
a) The altitude of the pyramid.
b) The angle between:
i) AF and the base ABCD
ii) FE and GB
c) The distance AG
Date posted:
November 7, 2019
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Answers (1)
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The figure below shows a sketch of a curve y = 3x² - 5x + 8 from x = -4 to x = +2
a) Use...
(Solved)
The figure below shows a sketch of a curve y = 3x² - 5x + 8 from x = -4 to x = +2

a) Use the mid ordinate rule with 6 strips to estimate the area between the curve, the x-axis and line x=-4 and x = +2
b) Use integration to find the exact are in (a) above.
c) Calculate the 4s.f the percentage error in area estimated by the mid ordinate rule.
Date posted:
November 7, 2019
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Answers (1)
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Students in a form three class sat for a Chemistry exam which was marked out of 100 marks. The students were 100 in total. The...
(Solved)
Students in a form three class sat for a Chemistry exam which was marked out of 100 marks. The students were 100 in total. The table below shows the distribution of students and marks scored.

Determine:
a) The quartile deviation.
b) The passmark if 35% of the students failed.
c) The minimum mark required if only five students got grade A.
Date posted:
November 7, 2019
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Answers (1)
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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
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Answers (1)
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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
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Answers (1)
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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
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Answers (1)
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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
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Answers (1)
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Solve for the value of x if
(Solved)
Solve for the value of x if

Date posted:
November 7, 2019
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Answers (1)