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8. What's the circumference of a circle with a radius of 7 in? Round your answer to the neares
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O A. 41 in.
O B. 14 in.
O C.21
O D.44 in.
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The circumference of the given circle is D. 44 inches.

Step-by-step explanation:

Step 1:

From the given question, the radius of the given circle is 7 inches.

The circumference of any given circle is calculated by multiplying 2π with the radius. The radius of this circle is 7 inches and π = 3.14159.

Step 2:

The circumference for the given circle = 2π × r = 2 × 3.14159 × 7 inches,

                                                  = 6.28318 × 7 inches = 43.98226 inches.

Rounding this off to the nearest inch, 43.98226 inches, the circumference equals 44 inches which is option D.

hiking down a winding trail.

step-by-step explanation:

step-by-step explanation:

to determine whether a given function is even, we simply substitute x with -x in the expression. if the result after simplification is identical to the original equation, then the function is said to be even other wise odd.

f(-x) = (-x)^2 - (-x) + 8

      = x^2 + x +8

the resulting function is not identical to the original one;

f(-x) ≠ f(x)

therefore, f(x) is not an even function