2a+4(7+5a)
Distribute 4 into 7 and 5a
2a+28+20a
Combine like terms
Final Answer: 22a+28
Answer: 30
Step-by-step explanation:
Did you mean this? <span>3^2x+1=3^x+5 => 3^(2x+1) = 3^(x+5)? If so, then 2x+1 is necessarily equal to x+5, so that 2x+1=x+5. Thus, x = 4 (answer).
Those parentheses are not optional; they must be part of your problem statement and solution.</span>
Answer:
62.8
Step-by-step explanation:
V = πr²h
V = 3.14 × 2² × 5
V = 3.14 × 4 × 5
V = 3.14 × 20
V = 62.8