George has a small coin collection. He has collected 16 gold coins, 28 silver coins, 32 copper coins, and4 bronze coins. At a f
2 answers:
You might be interested in
Answer:
<h2>Pi/4(4r²/3)</h2>Step-by-step explanation:
D is the correct option.
The inequality that represents the number of right answers (r) and wrong answers (w) Olga can give to win the contest is:
<u><em>Explanation</em></u>
Number of right answers is and number of wrong answers is
Olga earns 12 points for each right answer and loses 4 points for each wrong answer.
So, total points earned for right answers
and total points lost for wrong answers
That means, <u>her score will be</u>: points.
In order to win the quiz contest, Olga must score <u>more than 400 points</u>. So, the inequality will be.......