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Recent questions in Mathematics
0
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1
answer
The table below shows taxation rates in Kenya
asked
Jun 30, 2021
in
Mathematics Form 3
by
anonymous
commercial arithmetic
0
votes
1
answer
Given A(2,7), B(−6,−21) and C(1,3.5). Show that the points A,B and C are collinear.
asked
Jun 30, 2021
in
Mathematics Form 3
by
anony mous
vectors
collinearity
0
votes
1
answer
Three machines A, B and C are set to work together. A working alone takes 6 hours to complete the work; B takes 8 hours while C takes 12 hours. All the three machines started working at the same time. 40 minutes later machine A broke down. B and C continued for another 1 hour before B ran out of fuel and therefore stopped working for 20 minutes while C continued. If B resumed working after 20 minutes, calculate the:
asked
Jun 30, 2021
in
Mathematics Form 1
by
anonymous
ratios
proportions
percentages
0
votes
1
answer
Solve the inequality hence list the integral values of x satisfying the inequality.
asked
Jun 30, 2021
in
Mathematics Form 1
by
anony mous
linear inequalities
simple inequaltiies
0
votes
1
answer
An industrialist has 460 litres of a chemical which is 75% pure. She mixes it with a chemical of the same type but 90% pure so as to obtain a mixture which is 78% pure. Find the amount of the 90% pure chemical used.
asked
Jun 30, 2021
in
Mathematics Form 1
by
anonymous
ratios
proportions
percentages
0
votes
1
answer
Simplify completely
asked
Jun 30, 2021
in
Mathematics Form 1
by
anony mous
algebraic expressions
simplification of algebraic expression
0
votes
1
answer
Given that q=7x express the equation 72x − 1 + 6 × 7x − 1 =1 interval of q.Hence or otherwise,find the value of x in the equation 72x − 1 + 6 × 7x − 1 =1.
asked
Jun 30, 2021
in
Mathematics Form 1
by
anony mous
algebric expressions
substitution an evaluation
0
votes
1
answer
The triangle ABC has vertices A (1, 2), B (2, 1) and C (2, 3). AI BI CI is the image of ABC under transformation given by the matrix
asked
Jun 30, 2021
in
Mathematics Form 3
by
anonymous
matrices and transformations
0
votes
1
answer
The line whose equation is 2x − 3y=12 cuts the x-axis and y-axis at A and B respectively. Find the equation of the line equidistant from A and B.
asked
Jun 30, 2021
in
Mathematics Form 2
by
anony mous
gradient and equations of straight lines
the x and y intercepts of a line
0
votes
1
answer
P varies directly as the cube of Q and inversely as the square root of R
asked
Jun 30, 2021
in
Mathematics Form 3
by
anonymous
formulae and variations
0
votes
1
answer
The data below shows the heights of students in a class.
asked
Jun 30, 2021
in
Mathematics Form 4
by
anonymous
statistics
0
votes
1
answer
Using a ruler and a pair of compasses only for all constructions in this question.
asked
Jun 30, 2021
in
Mathematics Form 1
by
anonymous
geometrical construction
0
votes
1
answer
The first, second and fifth terms of an arithmetic sequence are the first three consecutive terms of a geometric sequence. Find the common ratio
asked
Jun 30, 2021
in
Mathematics Form 3
by
anonymous
sequences and series
0
votes
1
answer
The figure below shows a prism ABCDEF with BC=8cm and EB=8cm
asked
Jun 30, 2021
in
Mathematics Form 1
by
anony mous
common solids
sketching solids
nets of solids
0
votes
1
answer
A contractor intends to transport 1,000 bags of cement using a lorry and a pick up. The lorry can carry a maximum of 80 bags while a pick up can carry a maximum of 20 bags. The pickup has to make more than twice the number of trips the lorry makes and the total number of trips has to be less than 30. The cost per trip is sh. 2,000 for the lorry and sh 900 for the pickup and the contractor wishes to minimize cost. Let x and y be the trips for the lorry and pickup respectively.
asked
Jun 30, 2021
in
Mathematics Form 3
by
anonymous
compound proportions
rates of work
linear inequalities
0
votes
1
answer
ABCD is a regular tetrahedron. AB=BC=CA=AD=BD=CD= 8cm.
asked
Jun 30, 2021
in
Mathematics Form 2
by
anonymous
quadilaterals
polygons
0
votes
1
answer
A,B and C are three points on a straight line (in that order) on horizontal ground. A and B are on the side of C. At C stands a vertical tower 173.2m high. The distance from A to B is 100m and the angle of elevation of the top of the tower from A is 30°. Find the angle of elevation of the top of the tower from B.
asked
Jun 30, 2021
in
Mathematics Form 1
by
anony mous
trigonometry
0
votes
1
answer
The interior angles of an irregular hexagon are 108°, 162° and 90°. The remaining three angles are all equal. Find the value of the largest exterior angles.
asked
Jun 30, 2021
in
Mathematics Form 1
by
anony mous
angles and plane figures
angle properties of polygons.
0
votes
1
answer
Find the base radius of a cylindrical hole with maximum volume which can be drilled into a cone of height 16 cm and radius 12 cm as shown below.
asked
Jun 30, 2021
in
Mathematics Form 2
by
anonymous
volume of solids
0
votes
1
answer
Expand (1+2x/3)8 in ascending powers of x up to the fourth term. Hence use your expansion to evaluate (0.98)8 to three significant figures.
asked
Jun 30, 2021
in
Mathematics Form 3
by
anonymous
binomial expansion
powers
binomial expansions
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