ally9704
21.02.2022 •
Mathematics
Use the following rule to find f(2).
f(x)=8^x
f(2)=
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Ответ:
Step-by-step explanation:
Substitute f(2) into the function:
Include exponent:
Ответ:
[the length of a circumference]=2*pi*r
for r=12.6 cm
[the length of a circumference]=2*pi*(12.6)> 25.2*pi cm
this is the length for an arc of 360° (full circumference)
now calculate the length for an arc of 120° (applying a rule of three)
if 360°> 25.2*pi cm
120°> X
X=120*25.2*pi/360> 8.4*pi
the answer is 8.4*pi