Why does it pi appear in measurement formulas involving circles?

Write as a fraction 0.5

What is the fourth angle of 82, 78, 90 degrees

Simplify 6+2X8-12+9 divided by 3

Solve the equation - 6 (7k + 11)

A scientists writes the equation N (h) = 100e^0.25h to model the growth of a certain bacteria in a petri dish, where N represent the number of bacteria after h hours.

The sum of a number and twice its reciprocal is 27/5. Find the number.

Airbus is a major manufacturer of aircraft in Europe. Each of their A330 planes costs around 40 million dollars and Airbus' revenue (money coming in) can be modeled as a function of the number of aircraft it sells.

Which function has an inverse that is a function? A. b (x) = x^2+3 B. d (x) = -9 C. - 7x D. p (x) = lxl

Is 6.013 less than 6.08

What is nine 91, 284 rounded to hundred thousand