Alex is painting an 8 foot mural on the wall of the community center. If he has finished 1/4 of the mural, how many feet of the
1 answer:
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You need to implement the process of "flip-flop" and multiply which is where you flip the second fraction and multiply.
÷
⇒×
Now you multiply across. 2×15=30 and 3×11=33
So now it is
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To reduce to the lowest terms, find the GCF common factor
The GCF is 3
Divide both the numerator and denominator by 3
÷
=
Answer:
Now you multiply across. 2×15=30 and 3×11=33
So now it is
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To reduce to the lowest terms, find the GCF common factor
The GCF is 3
Divide both the numerator and denominator by 3
Answer:
We need to start from the innermost parenthesis and work our way out.
The first parenthesis is . These are not like terms because one involves a variable, while the other is a constant term. Two terms are summable if they involve the same power(s) of the same variable(s).
So, we can take one step outwards, and we arrive to the square brackets. We have
and 2z and -13z are like terms, so we can sum them:
Finally we arrive to the whole expression, which is
Because, again, 5z and 11z were like terms.