910190hps
03.09.2021 •
Mathematics
A new computer graphics company employs 10 programmers. The company decides to expand into digital animation and needs to transfer 3 of the programmers into the new department. How many different combinations of 3 programmers can be chosen to transfer to the new department?
(A) 3
(B) 30
(C) 120
(D) 840
Please explain!
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Ответ:
132 cm
Step-by-step explanation:
The diameter of the circle is 42 cm. A circle's radius is half of its diameter, hence, its radius is:
42 / 2 = 21 cm
The circumference of a circle is the total length of the circle and it is given as:
where
r = radius of the circle
Hence, the circumference of the circle is: