2 years ago

What is the circumference of a circle with a radius of 0.8 m? A. 0.64pi m B. 0.8pim C. 1.6pi m D. 2.56pi m

Mathematics

1 answer:

Paraphin [41]2 years ago

7 0

C = 2πr
C = 2(3.14)(0.8)
C = 2(2.512)
C = 5.024 m

The answer is C.

You might be interested in

Let k ( x ) = 2 x + 3 and m ( x ) = 3 x 2 + 7 x − 10 . Find the indicated value. M ( k ( − 4 ) ) =

murzikaleks [220]

Answer: $30$

Step-by-step explanation:

Given

$k(x)=2x+3$

$M(x)=3x^2+7x-10$

$M\left(k(x)\right)$ is given by replacing the $x$ by $k(x)$ from the $M(x)$

$\Rightarrow M\left(k(x)\right)=3(2x+3)^2+7(2x+3)-10\\\Rightarrow M\left(k(x)\right)=3(4x^2+9+12x)+14x+21-10\\\Rightarrow M\left(k(x)\right)=12x^2+50x+38$

Now, $M\left(k(-4)\right)$ is

$\Rightarrow M\left(k(-4)\right)=12(-4)^2+50(-4)+38\\\Rightarrow M\left(k(-4)\right)=192-200+38\\\Rightarrow M\left(k(-4)\right)=30$

8 0

2 years ago

Which of the following is a polynomial?

Artyom0805 [142]

Answer:

Step-by-step explanation:

8 0

2 years ago

The gcf of 135 225 270

rodikova [14]

The greatest common factor of 135 225 and 270 is 135/225 = 3/5

hope you found this helpful ;)

5 0

3 years ago

Please Help Me ASAP!!!

Arturiano [62]

Everything you need is in the picture attached.

4 0

3 years ago

Plz answer don't send link

avanturin [10]

Here you go the answer is in the picture

8 0

2 years ago

What is the circumference of a circle with a radius of 0.8 m? A. 0.64*pi m B. 0.8*pim C. 1.6*pi m D. 2.56*pi m

What is the circumference of a circle with a radius of 0.8 m? A. 0.64pi m B. 0.8pim C. 1.6pi m D. 2.56pi m