If 18 more than 2 times a number is -10, what is the number?
1 answer:
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Answer:
<h2>x = 5</h2><h2>OB = 36</h2><h2>BE = 54</h2>Step-by-step explanation:
We know that the medians of the triangle divides in a ratio of 2:1. Therefore we have the equation:
<em>cross multiply</em>
<em>use distributive property a(b + c) = ab + ac</em>
<em>add 9 to both sides</em>
<em>subtract 4x from both sides</em>
<em>divide both sides by 5</em>