Let A = {n : n = 4k + 1 for some k ∈ Z} and B = {n : n = 4k − 3 for some k ∈ Z}. Prove A = B
The maximum number of identical pieces a cube can be cut into by making 15 cuts
(a) 216
(b) 200
(c) 353
(d) 64
-6x-4y=10 and -5x-2y=-5
$\pod{a^{}{}$ i draw a quadrilateral abcd of which ad and bc are perpendicular on side ab and ab =5cm, and =7cm, and bc= 4cm. i dr...
i draw a quadrilateral abcd of which ad and bc are perpendicular on side ab and ab =5cm, and =7cm, and bc= 4cm. i draw a triangle ...
expand these brackets - 3(x+5)squared
105=110÷1+x
5.5X = 4.5Y solve x and y
3400 = 1000 + 200 * G * 2
7xc^2+14x^2 c
