prove (a+b)^2-(a-b)^2 = 4ab
4.5x + 2.25 = 0.225
10% of a = b
a = b + 658500
2.4x/0.625 = 7.2/2.5
a * 0.1 = b
a = 658560 + b
658560 = a -b
5.625 + 7.5x - 56.25 = 562.5/7.5 multiplied by 100
if h(x) = 1+3x and k(x)= x+2
hk(x)
calculat hk(x)
A sphere is placed in an inverted coneical vessel of base radius 5 and vertical height 12cm. If the highest point of the sphere is...
y+5/2=3
