2 years ago

One eighth of phil's 72 buttons are red. How many of his buttons are not red?

Mathematics

1 answer:

Sergio039 [100]2 years ago

6 0

9 of his buttons are not red. 1/8 of 72 is 9
72×1/8=8
72÷8=9

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Step-by-step explanation:

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$F(x)=\sqrt{x-2}$

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We compose F(x) and G(x) to get:

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$(F\circ H)(x)=F(H(x))$

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$(F\circ H)(x)=\sqrt{x^2+2-2}$

We simplify to get:

$(F\circ H)(x)=\sqrt{x^2}$

$(F\circ H)(x)=x$

Since $(F\circ H)(x)=x$ , H(x) is an inverse of F(x)

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