Need answers to 12 a and b please

1 answer:

Dvinal [7]3 years ago

5 0

A) x+4/2x-3
b) 7x -2/ (x+2)(x-2)

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ehidna [41]

$\sqrt{a}=b\iff b^2=a\ for\ a,b\geq0\\\\\sqrt{49}=7\ because\ 7^2=49$

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3 years ago

jeyben [28]

Answer:

2.925 miles

Step-by-step explanation:

$4.5\times 0.65=2.925$ miles. Hope this helps!

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Hoochie [10]

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lara31 [8.8K]

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ki77a [65]

$-31=3w+9-8w\\\\-5w+9=-31 \ \ /-9\\\\-5w=-40 \ \ /:(-5)\\\\\huge\boxed{w=8}$

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3 years ago