Consider a circle with diameter length d, radius length r, and circumference C. Given that , explain why the formula for the circumference of a circle is given by .

What will be an ideal response?


Given that , we use the Multiplication Property of Equality to obtain .

Because the length of the diameter of a circle is twice that of a radius, . By

substitution, or .


Mathematics

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The given information applies to the day of investment in a mutual fund. Find the net asset value or number of shares purchased as indicated.Find the number of shares purchased.

A. 46 B. 378 C. 313 D. 344

Mathematics

Find the indicated derivative.Find y " if y = -2 cos x.

A. y " = 2 sin x B. y " = -2 cos x C. y " = -2 sin x D. y " = 2 cos x

Mathematics

Evaluate using a calculator. Express answers to the nearest ten-thousnadth.ln 34,500,000

A. 17.3565 B. 0.0574 C. 7.5378 D. 5.8435

Mathematics

Find the value of s in the interval [0, ?/2] that makes the statement true. Round to four decimal places.tan s = 7.6725

A. 4.5828 B. 1.0120 C. 1.4412 D. 0.8420

Mathematics