7 + 5v - 0 + 2v - 1
5v + 2v + 7 - 1 - 0
7v + 6 (Answer)
Answer:
13.73 sq mm
Step-by-step explanation:
Area of Square - Area of Circle = Area of Shaded Region
if radius of circle is 4 then diameter is 8
the diameter is the same as the length of each side of the square
so area of square = 8² or 64
Area of Circle = 16π
64 - 16π ≈ 13.73
Only letter a has an answer. Pls. see attachment.<em>
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The probability that one cubic meter of discharge contains at least 8 organisms is 0.7798