x = 6
Step-by-step explanation:
Given
7x + 2y = 48 ← substitute y = 3 into the equation
7x + 2(3) = 48, that is
7x + 6 = 48 ( subtract 6 from both sides )
7x = 42 ( divide both sides by 7 )
use formula for the circle a=3.14
step-by-step explanation:
898.1666667
5389/6 = 898.1666667