Ask question

Ask question

All categories

3 years ago

8

If f(r)= 3.14 r^2 what is f(3)

1 answer:

KIM [24]3 years ago

6 0

Answer:

f(3) = 28.26

Step-by-step explanation:

Substitute r = 3 into f(r) , that is

f(3) = 3.14 × 3² = 3.14 × 9 = 28.26

You might be interested in

Can you help me solve for y ?? Please show your work !! Thank you.

Nadusha1986 [10]

Answer:

y = -3x - 4

Step-by-step explanation:

x - y - 2 = 4x + 2

x - y - 2 + y = 4x + 2 + y

x - 2 = 4x + 2 + y

x - 2 - 4x - 2 = 4x + 2 + y - 4x - 2

-3x - 4 = y

so y = -3x - 4

4 0

2 years ago

Read 2 more answers

Square root of 3x^2y^3 times 2 square root of 72x^3y^4

galina1969 [7]

I hope this helps you

6 0

3 years ago

The polynomial p(x) = –2x3 + 3x + 4 is given. Which conclusion is valid if P(1) = 5?

Airida [17]

I think it’s A I hope it helps

8 0

3 years ago

Marcus gardens. He pulls weeds for 18 minutes, Waters for 13 minutes, andplants for 16 minutes how many total minutes does he sp

Virty [35]

47 minutes gardening

7 0

3 years ago

Read 2 more answers

Pleaseeee help!!

kkurt [141]

Answer:

answer is A. cosine

Step-by-step explanation:

8 0

3 years ago