All Questions
Huỳnh Anh Phương
28/08/2018 at 01:54Huỳnh Anh Phương
27/08/2018 at 02:17
Nguyễn Mạnh Hùng 28/08/2018 at 07:52
We have 3 straight points: (A;E;B);(B;G;C);(C;D;H);(A;I;D);(A;O;C);(I;O;G);(D;O;B);(E;O;H). So the middle point is: E;G;H;I;O
Huỳnh Anh Phương selected this answer.

jimin bts cute 26/08/2018 at 03:10
Perimeter squares are:
\(9\times4=36\left(cm^2\right)\)
Answer: \(36\left(cm^2\right)\)
poodle selected this answer. 

Phan Minh Anh 29/08/2018 at 12:00
Perimeter of the square is:
9 x 4 = 36 ( cm^{2} )
Answer: 36 cm^{2}.
Huỳnh Anh Phương
24/08/2018 at 03:42
Nguyễn Mạnh Hùng 28/08/2018 at 07:53
60 x 50 = 300 (cm^{2})
Huỳnh Anh Phương
23/08/2018 at 13:41Alice Clara
23/08/2018 at 03:40vũ tuấn mạnh clever12456789
23/08/2018 at 01:47vy nguyen mini
20/08/2018 at 14:13Quoc Tran Anh Le Coodinator
20/08/2018 at 08:07Quoc Tran Anh Le Coodinator
20/08/2018 at 08:06
Phương Linh Lê Ngọc 21/08/2018 at 14:21
We have:
40 + 1/2a = 3a
=> 40 = 3a  1/2a
= 5/2 a
=> a = 40/5*2 = 16
Quoc Tran Anh Le selected this answer.
4667
questionsWeekly ranking
Tags
games 18
double counting 8
generating functions 2
probabilistic method 1
Polynomial 8
inequality 11
area 15
Equation 8
Primitive Roots Modulo Primes 1
Primitive in Arithmetic Progression 6
Base n Representatioons 4
Pell Equation 1
mixed number 1
Fraction 29
Circle 3
Imaginary numbers 1
Decimal number 2
Volume 2
percentages 6
simple equation 19
absolute value 19
rational numbers 20
Operation of Indices 21
Simulataneous Equation A System of Equations 25
Multiplication of Polynomial 17
divisibility 24
Maximum 5
Minimum 6
Fraction 4
Prime Numbers and Composite Numbers 13
Square Number 26
Even and Odd Numbers 13
GDC and LCM 11
GCD and LCM 12
Permutation and combination 9
combinations 5
interger 7
number 10
Diophantine equations 2
equations 1
Grade 6 19
Power 3
equality 2
maximaminima 2
square root 1
Polygon 2
IGCSE 1
factorial 1
integers 1