connormaxie
18.12.2020 •
Mathematics
A. what is the product of 4 and b?
B. The sum of 1/5 of m and 2/5 of m
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Ответ:
Step-by-step explanation:
a) 4 * b = 4b
B)
Ответ:
V=( 1/6 )* π * d³
Step-by-step explanation:
We khow that d= 2r⇒ r=d/2
so r³= d³/8 substitute r with d³/8 V= (4/3)*π*(d³/8) = (4/3*8)*d³*π = (1/6 )* d³ *π