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denpristay [2]
3 years ago
7

Can someone help me with this question please ?

Mathematics
2 answers:
Contact [7]3 years ago
8 0
Yeah I think maybe 16.
Aneli [31]3 years ago
7 0

Answer:

16 i think

Step-by-step explanation:

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Identify the diameter of the circle. Then find the circumference. Round to two decimal places. (C = 2*pi*r)
sleet_krkn [62]

Answer:

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Step-by-step explanation:

diameter=2*radius

so 2*11=22

circumference=2pi*r

=2*11*pi

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4 0
3 years ago
If f(x) = log2 (x + 1), what is f-1(2)? (2 points)
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as you already know, to get the inverse of any expression, we start off by doing a quick switcheroo on the variables, and then solve for "y".

\bf \textit{Logarithm Cancellation Rules} \\\\ log_a a^x = x\qquad \qquad \stackrel{\textit{we'll use this one}}{a^{log_a x}=x} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \stackrel{f(x)}{y}=\log_2(x+1)\implies \stackrel{\textit{quick switcheroo}}{\underline{x}=\log_2(\underline{y}+1)}\implies 2^x=2^{\log_2({y}+1)} \\\\\\ 2^x=y+1\implies 2^x-1=\stackrel{f^{-1}(x)}{y} \\\\[-0.35em] ~\dotfill\\\\ 2^2-1=f^{-1}(2)\implies 3=f^{-1}(2)

3 0
3 years ago
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