...4k2-40k+64 = 4(k2-10k+16) = 4(k-2)(k-8) (b)if the graph y=f(x)lies above the x-axis for all values of x,fing the range of possible values of...
W : weight d (km) : distance from the earth's centre On and above the earth's surface : W ∝ 1/d² Hence, W = k1/...
...cone of height 12cm and radius 3 cm for holding ice-cream. The ice-cream above the cone is in the shape of a hemisphere. There is an cone-...
...which is 8 m high. He throws a ball upwards from a point 2 m above the ground. The ball travels along the curve y=-2x^2+8x+2...
...2 sin 148/7 = 0.151 ∠BAP = 8.71 Thus, height of D above the ground is 3 sin (180 - 90 - 8.71) = 2.97 cm And the height...
...and 30=n x 38% x 48% number of male patients aged 31 or above =n x 32% x 75% Required probability = number of male patients...
...2 = 4 Volume required = volume of the cone + the part of the sphere above z=2 Volume of the cone = 1/3 * PI * r^2 * h = 1/3 * PI...
