1/2 of the pizza is eaten in an hour. To get from 1/2 an hour to 1 hour, you multpily by 2. Multiply 1/4 by 2 to get 1/2.
3√3 (5 + 3√2 )
Answer: 15√3 + 9√6
Step-by-step explanation:
3√3 (5 + 3√2 )
= 3√3 x 5 + 3√3 x 3√2 (Apply the distributive rule. a(b+c) = ab+ac)
= 15√3 + 9√6 (Multiply the radicands, then multiply the constants. No mixing)