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The table below shows the number of students in each class in a school. The percentage (%) of the students in each class who wear glasses is also shown.
asked
Jun 18, 2021
in
Mathematics Form 3
probability
0
votes
1
answer
In the figure below A, B, C and D are points on the circumference of the circle, centre 0, A tangent to the circle at A intersects chord CD produced at E. Line AB is parallel to line EC. Angle AED = 45° and angle ABD = 40°.
asked
Jun 18, 2021
in
Mathematics Form 2
properties of a circle
angles
0
votes
1
answer
The systolic blood pressure of 60 patients attending a clinic was recorded as follows:
asked
Jun 18, 2021
in
Mathematics Form 2
statistics
line graph
0
votes
1
answer
A road contractor has to transport 240 tonnes of hardcore. He will use two types of lorries, type A and type B. He has 3 type A lorries and 2 type B lorries. The capacity of each type A lorry is 8 tonnes while that of type B is 15 tonnes. All type A lorries must each make the same number of trips. Similarly all type B lorries must each make the same number of trips. The number of trips made by each type B lorry should be less than twice those made by each type A lorry. Each type A lorry must not make more than 6 trips.
asked
Jun 18, 2021
in
Mathematics Form 2
linear inequalities
linear equations.
0
votes
1
answer
An aircraft took off point A(xºN, 15ºE) at 0720h, local time. It flew due West to another point B(xºN, 75ºW) a distance of 5005 km from A. After a stopover ot 1 hour 30 mimutes at point B. the aircraft took off and flew for 3 hours 40 minutes due South to a point C. The aircraft maintained an average speed of 910 km/h for the journey fom A to B and also from B to C (Take π = 22 and the radius of the earth to be 6370 km) 7
asked
Jun 18, 2021
in
Mathematics Form 4
longitudes and latitudes
time
0
votes
1
answer
The table below shows the income tax rates for a certain year
asked
Jun 18, 2021
in
Mathematics Form 3
commercial arithmetic
income tax
0
votes
1
answer
Kering purchased (2x-1) identical pens for Ksh 180. Naraya purchased (3x+ 1) identical pencils for Ksh 200.
asked
Jun 18, 2021
in
Mathematics Form 1
quadratic expressions
algebra
0
votes
1
answer
A farmer has two tractors P and Q. Tractor P, working alone, can plough a piece of land in 5 hours while tractor Q would take 1 2/3 hours less than tractor P.
asked
Jun 18, 2021
in
Mathematics Form 1
propotion
direct and inverse
0
votes
1
answer
A particle moves in a straight line from a fixed point. The velocity V ms-1 of the particle after t seconds is given by V = t2- 4t + 6. Calculate the distance travelled by the particle in the first 4 seconds.
asked
Jun 18, 2021
in
Mathematics Form 2
linear motion
velocity and acceleration
0
votes
1
answer
The position vectors of points P, Q and R are Show that points P. Q and R are collinear.
asked
Jun 18, 2021
in
Mathematics Form 3
vector
collinearity
0
votes
1
answer
Solve the equation sin2θ - cos2θ = - 1/2 for 0°≤ θ ≤ 360°
asked
Jun 18, 2021
in
Mathematics Form 3
trigonometry
0
votes
1
answer
The cash price of a cooker is Ksh 27 500. A customer opts to buy the cooker on hire purchase terms by paying a deposit of Ksh 17250. Determine the monthly rate of compound interest charged on the balance if the customer is required to repay by six equal monthly instalments of Ksh 2 100 each.
asked
Jun 18, 2021
in
Mathematics Form 3
commercial arithmetic
0
votes
1
answer
The mean of six numbers is calculated. The deviations of the numbers from the mean are -4.5. 3, 2. d, 1. Detemine the value of d and hence find the exact variance of the numbers.
asked
Jun 18, 2021
in
Mathematics Form 3
sequencies and series
0
votes
1
answer
In an experiment involving two variables, time (t), hours and height, (h) ; the following results were obtained.
asked
Jun 18, 2021
in
Mathematics Form 2
coordinates and graphs
linear graphs.
0
votes
1
answer
A point P(x, y) is mapped onto P'(x1, y1) by successive transformations M = matrix M followed by N = matrix N Determine the single transformation matrix that would map P'(x1, y1) onto P(x, V).
asked
Jun 18, 2021
in
Mathematics Form 4
matrices and transformations
0
votes
1
answer
The figure ABCD below is a scale drawing representing a rectangular garden of length 60 m and width 30m.
asked
Jun 18, 2021
in
Mathematics Form 1
scale drawing
geometric constrcution
0
votes
1
answer
Solve for x given that ½log29+ log2(5x- 4) = 7
asked
Jun 18, 2021
in
Mathematics Form 2
indices
logarithms
0
votes
1
answer
In the figure below, O is the centre of the circle and N is a point on the circumference.
asked
Jun 18, 2021
in
Mathematics Form 3
circle cords and tangents
geometrical construction
0
votes
1
answer
Two variables x and y are such that y varies directly as xn where n is a constant. Given that y = 320 when r=16 and y =2560 when x = 64, find the value of n
asked
Jun 18, 2021
in
Mathematics Form 1
algebric expressions
substitution and evaluation
formulae and variations
0
votes
1
answer
The figure below shows a cuboid labelled ABCDEFGU Point O is the mid point of BD. AB 15 cm, BC =8 cm and CF=5 cm.
asked
Jun 18, 2021
in
Mathematics Form 4
three dimensional geometry
angles
common solids
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