Answer:
C = 39 pi meters
Step-by-step explanation:
The circumference of a circle is given by
C = 2 * pi * r
C = 2 * pi * 19.5
C = 39 pi meters
It would be 12 because it is just the size of a ruler if you use a online ruler
Answer:
The answer is "
and
"
Step-by-step explanation:
Calculating the sum:

// 163+41=204

Explanation:
In the addition, first convert the given value (a,b) into decimal point that is (163, 41) and by adding its value is equal to (204) and after convert its value is equal to
.
Calculating the product:

// 163 *41=6,683

Explanation:
In the product calculation we convert the given value (a,b) into decimal point that is (163, 41) and multiplting its value which is equal to (6,683) and after convert its value is equal to
.
Answer:
64
Step-by-step explanation:
5x-16+6x=10x (combine like terms)
11x-16=10x (subtract 11x)
-16= -1x (divide by -1
16 = x
Now plug 16 into 5x-16.
5(16)-16 = 80-16 = 64
the absolute value of a negative number is the number except positive
so absolute value of -1 is 1