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A student scored 78 and 95 on his first two quizzes. Use a compound inequality to find the possible values for a third quiz score that would give him an average between 80 and 90, inclusive.
the answer i got is 80 ≤ x ≤ 90
 one year ago
 one year ago
A student scored 78 and 95 on his first two quizzes. Use a compound inequality to find the possible values for a third quiz score that would give him an average between 80 and 90, inclusive. the answer i got is 80 ≤ x ≤ 90
 one year ago
 one year ago

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MertsjBest ResponseYou've already chosen the best response.1
\[ 80\le \frac{78+95+x}{3} \le 90\]
 one year ago

Sarah_Miller720Best ResponseYou've already chosen the best response.0
so did i get the correct answer?
 one year ago

MertsjBest ResponseYou've already chosen the best response.1
\[240\le 173+x \le 270\]
 one year ago

MertsjBest ResponseYou've already chosen the best response.1
\[240173\le x \le270173\]
 one year ago

Sarah_Miller720Best ResponseYou've already chosen the best response.0
i got it right then :)
 one year ago
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