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Mathematics Questions and Answers
0
votes
15
answers
A two digit number is such that, the sum of it's digits is 13.When the digits are interchanged,the original number is increased by 9.Find the original number.
answered
1 day
ago
in
Mathematics Form 1
by
0110174XXX
integers
0
votes
4
answers
The perimeter of a triangle is 22cm. If one of the sides is 9 cm . Find the other side if the area of the triangle is 20.976cm2
answered
2 days
ago
in
Mathematics Form 2
by
0110522XXX
area of a triangle
0
votes
2
answers
the sumnof interior angles of a triangle is given by(10x-2y) while that of a hexagon is given by(30x+24y)
answered
Mar 21
in
Mathematics Form 4
by
JulietkinXXX
trigonometry
geometry
0
votes
2
answers
log2[3x+8]-3=log2[x-4]
answered
Mar 20
in
Mathematics Form 3
by
0748836XXX
further logarithms
0
votes
7
answers
solve simultaneous equation xy=4 x+y=5
answered
Mar 20
in
Mathematics Form 3
by
0748836XXX
surds
0
votes
19
answers
if five men can erect 2 cottage in 21 days,how more men ,working at the same rate will be needed to erect 2 cottage in the same period
answered
Mar 19
in
Mathematics Form 1
by
0700201XXX
rates
ratio
percentages and proportion
0
votes
16
answers
find the value of x 2(x-3)×8(x+2)=128
answered
Mar 19
in
Mathematics Form 1
by
0113270XXX
algebraic expressions
0
votes
3
answers
Find the shortest distance between two centers of circles lying on the x axis and both passing through points (0,8) and (0,2).
answered
Mar 18
in
Mathematics Form 3
by
0705403XXX
circle
chords and tangents
0
votes
3
answers
show that sin (x)=sin (2x)
answered
Mar 18
in
Mathematics Form 4
by
0705400XXX
trigonometry
0
votes
1
answer
Three bells ring regular intervals of 9mins,15mins and 21mins.The bells ring at 5.45pm.By 10.00am next day,how many times will they have rung together?
answered
Mar 17
in
Mathematics Form 1
by
0743164XXX
natural numbers
0
votes
8
answers
Round off to 3 significant figures 0.000230127
answered
Mar 17
in
Mathematics Form 1
by
0743164XXX
integers
significant figures
0
votes
2
answers
1+cos30/1-sin 60
answered
Mar 17
in
Mathematics Form 4
by
0711905XXX
trigonometry
0
votes
3
answers
A die is tossed in once find the probability of finding, a 1 or 2
answered
Mar 2
in
Mathematics Form 3
by
0977794XXX
probability
0
votes
4
answers
A number m is such that when it is divided by 30, 36 and 45,the remainder is always 7. Find the smallest possible value of m.
answered
Feb 18
in
Mathematics Form 1
by
0722446XXX
least common multiple (lcm)
form 1 mathematics
0
votes
7
answers
calculate the volume of a cone whose base radius is 5cm and curved surface area is 109.9
answered
Feb 10
in
Mathematics Form 2
by
0790171XXX
surface area of solids
0
votes
5
answers
489009788+643569
answered
Feb 5
in
Mathematics Form 1
by
0716794XXX
natural numbers
0
votes
16
answers
how many 2litre containers does it take to fill a 10litre container?
answered
Jan 28
in
Mathematics Form 1
by
0700498XXX
volume and capacity
0
votes
3
answers
how to find errors for whole numbers like 12 or 8
answered
Jan 28
in
Mathematics Form 3
by
0724674XXX
approximation and errors
0
votes
4
answers
In a certain commercial bank customers may withdraw cash through either of the tellers at the counter. On average the teller takes 3 minutes while another teller takes 5 minutes to serve the customer at the same time. Find the shortest time it takes to serve 200 customers.
answered
Jan 27
in
Mathematics Form 1
by
0722446XXX
least common multiple (lcm)
0
votes
1
answer
Factorize completely 75x^2-27y^2
answered
Jan 23
in
Mathematics Form 2
by
0101368XXX
quadratic equations and expressions
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