Formula for circumference = πD (where D is the Diameter)
Since diameter = 2 x radius, we can also write the formula as :
Formula for circumference = 2πr (where r is the radius)
Answer:7/22
Sorry I don’t know how to explain.But here the answer.
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A complex equation is an equation that involves complex numbers when solving it. For example, <4+3i> is a complex number. The 4 or a part is the real part of the number and the 3i or b part is the imaginary part of the number.
The independent variable is the number of people. The initial value (initial fee) for the picnic is $40. As the number of people increases, the total cost of the picnic increases.