3 years ago

A boutique marks up a $55 painting 18%. Find the new price.

Mathematics

1 answer:

Ede4ka [16]3 years ago

3 0

Answer:

$9.9

Step-by-step explanation:

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marin [14]

Answer:

$c=11.8\ units$

Step-by-step explanation:

we know that

The formula of law of cosines is equal to

$c^2=a^2+b^2-2(a)(b)cos(C)$

where

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$a=3\ units\\b=10\ units$

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substitute the given values

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3 years ago