I need the answer and work

Mathematics

1 answer:

ad-work [718]3 years ago

7 0

A) 2x +3

Plug in the x

2(4.1) + 3

8.2+ 3= 11.2

A is 11.2

B) 16-5y

Plug in the y

16 - 5(2.3)

16- 11.5= 4.5

B is 4.5

C) x+y

Plug in x and y

4.1 + 2.3= 6.4

C is 6.4

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The radius of a circle is 7 centimeters. What is the length of a 180° arc?

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Answer:

I got the answer of 21.99115. Do I need to round too? If so, look up a rounding calculator and you can put in that decimal number and round to what the question says to round to.

I hope this helps!