Answer:21.98
Step-by-step explanation:
It is because the formula for the circumference of a circle is 2 x 3.14 x r so I do the 2 x 3.14 and I get the 6.28 and then 6.28 x 3.5(radius) is 21.98.
Answer:
G. 6
Write down the linear equation, letting x be the number. Than solve for x .
Answer:
c
Step-by-step explanation:

now, whenever the cosine function, becomes 0, it turns the rational secant function to "undefined". that occurs at

on the range from [0, 2π]
now, if you keep going around, it will happen at

, or so long "n" is an integer
so... the domain for secant then, has to be anything BUT those values.