solve this equation `70=200/(100/50+100/v_2)`

Solve the following equations: 10P=100

Solve the following equations: 10p = 100

Solve the following equations: 10P+10=100

Solve the following equations: 10p + 10 = 100

800 400 200 100 50 ?

Solve the quadratic equation 9x^(2)-100=0 by factorisation method.

The voltage of an ac source varies with time according to the equation V = 100 sin 100 pit cos 100 pit where t is in seconds and V is in volt. Then