Answer:
a(a+3) are the terms which can be cancelled.
Step-by-step explanation:
In this question if we factorize both the expressions then we can get the common factors which can be cancelled.
So first we factorize a²+3a = a( a+3 )
Now the second expression
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⇒
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Now it is clear to us that factors a(a+3) are the common factors that can be cancelled.
Answer:
<em>The percentage of the students who completed the poll preferred rock and roll music.</em>
<em>P(RR) = 0.1423 = 14.23 %</em>
Step-by-step explanation:
<u><em>Explanation</em></u>:-
<em>Given total number of students n(S) = 1960</em>
Given the Students at a high school were polled to determine the type of music they preferred.
Rap 916
Alternative 46
<em>Rock and Roll 279</em>
Country 183
Jazz 32
Other 89
<em>Let ' RR' be the event of Rock and Roll preferred music</em>
<em>given </em>Rock and Roll = 279
<em>n( RR) = 279</em>
<em>The percentage of the students who completed the poll preferred rock and roll music.</em>
<em></em><em></em>
<em>P(RR) = 0.1423 = 14.23 %</em>
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