The radius of the circle is 2.5 cm. - Find the circumference of the circle. Round your answer to the nearest centimeter

Mathematics

1 answer:

Mila [183]3 years ago

4 0

Answer:

I would say A but i am not sure i did not take the test

Step-by-step explanation:

You might be interested in

Help Asap Immediately!!

Svetlanka [38]

Answer:

its 432

Step-by-step explanation:

You multiply the base times the side length then divide by 2. hope this helps

3 0

3 years ago

which is a shrink of an exponential growth function? a. f(x) = 1/3(3)^x b. f(x) = 3(3)^x c. f(x) = 1/3(1/3)^x d. f(x) = 3(1/3)^x

Gnesinka [82]

Answer: option a.

$f(x)=\frac{1}{3} (3)^x$

Explanation:

A shrink of a function is a shrink on the vertical direction. It means that for a certain value of x, the new function will have a lower value, in the intervals where the function is positive, or a higher value, in those intervals where the function is negative. This is, the image of the new function is shortened in the vertical direction.

That is the reason behind the rule:

given f(x), the graph of the function a×f(x), when a > 1, represents a vertical stretch of f(x),

given f(x), the graph of the function a×f(x), when a < 1, represents a vertical shrink of f(x).

So, we just must apply the rule: to find a shrink of an exponential growth function, multiply the original function by a scale factor less than 1.

Since it is a shrink of an exponential growth function, the base must be greater than 1. Among the options, the functions that meet that conditon are a and b:

$a. f(x)=\frac{1}{3} (3)^x \\ \\ b.f(x) = 3(3)^x$

Now, following the rule it is the function with the fraction (1/3) in front of the exponential part which represents a shrink of an exponential function.

8 0

3 years ago

Read 2 more answers

Write an e explicit formula for an, the nth term of the sequence 22, 19, 16, ...

alexira [117]

Answer:

$a_{n} = 22 + (-3)(n - 1)$