3 years ago

~I ~ need ~ help ~ once ~ again~

Mathematics

1 answer:

ruslelena [56]3 years ago

8 0

A. 12pi meters.

Circumference = pi x diameter (pi x 12 = 12pi)
Diameter = 2 x radius (2 x 6 = 12)

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If s is a sequence of consecutive multiples of 3, how many multiples of 9 are there in s? (1) there are 15 terms in s. (2) the g

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$\it a_{15} =126=3\cdot42
\\\;\\a_1=3n=?
\\\;\\
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At a glance : {90, 99, 108, 117, 126}

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