4 years ago

7) c/a=d-r, for a thanks

Mathematics

1 answer:

iragen [17]4 years ago

8 0

$\dfrac{c}{a}=d-r \\\dfrac{c}{a}/c=\dfrac{d-r}{c} \\a=\boxed{\dfrac{d-r}{c}}$

Hope this helps.

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