x^2+152.5^2=163.88^2+(x+60)^2-2(163.88)(x+60)\cos (68.52)
0.87 × 10.58
120=4*10^-4(R+10*10^3)
x+y = 1.10
factory produces four products A, B, C and D which earn contributions of sh. 20, sh. 25, sh. 12 and sh. 30 per unit respectively. ...
2.6315x=1-(1+x)^(-4)
2.6315x=1-(1+x)^4
17-4.525
x\sqrt(27) + sqrt(48)(x)^2 - 4xroot(75)
352=1/2*25+x*16