3x + 4 < 40
Hope this helps! ;)
Answer:
7x + 12 = 47
7x = 35
x = 5
480000
Step-by-step explanation:
Area = 16π
Area of a circle = πr^2
= 64π
= sqrt64
r = 8 because 8 × 8 is 64
Radius = 8
Now, use the circumference equation:
= 2πr
= 2π(8)
= 16π
Exact Form: 2√26
Decimal Form: 10.19803902 …