The correct answer to this problem is D.
300 = 2(x + x + 10)
300 = 2(2x +10)
300 = 4x + 20
4x = 280
x = 70
x + 10 = 80
width = 80ft
answer <span>D) 80 feet</span>
Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:
-3√2+3√8
=-3√2+3×2√2
=-3√2+6√2
=3√2
6.7x10^6 always the the decimal points go between the first 2 numbers, and you count the numbers of decimal places following it to get your scientific exponent