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Fed [463]
3 years ago
14

Three times antonios age plus 2 times sarahs equals 14. sarahs age is also twice antonios age. how old is sarah

Mathematics
1 answer:
zubka84 [21]3 years ago
8 0
Sarah is 4 years old
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Answer:

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Step-by-step explanation:

So we have the two functions:

g(x)=-2x-2\text{ and } r(x)=x^2-2

And we want to find the value of r(g(4)).

To do so, first find the value of g(4):

g(x)=-2x-2\\g(4)=-2(4)-2\\

Multiply:

g(4)=(-8)-2

Subtract:

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Now, substitute this into r(g(4)):

r(g(4))\\=r(-10)

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Square:

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Subtract:

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Therefore:

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Round 0.0245 to 2 significant figures. Detailed steps please!
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