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Alex
3 years ago
7

Simplify by using the law of indices:y^a(b+c)×y^b(c-a)×y^c(a-b)​

Mathematics
1 answer:
tia_tia [17]3 years ago
4 0

Answer:

y^{2ac}

Step-by-step explanation:

Using the law if indices

a^{m} × a^{n} = a^{(m+n)}

Thus to simplify the expression add the 3 exponents

a(b + c) + b(c - a) + c(a - b) ← distribute parenthesis

= ab + ac + bc - ab + ac - bc ← collect like terms

= 2ac

Then the expression simplifies to

y^{2ac}

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Answer:

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7 0
3 years ago
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3 years ago
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A manager at a shopping mall counts 244 males and n females as they enter the mall. The manager realizes that 25% of all males a
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Answer:

Step-by-step explanation:

The manager is not correct in her calculation.

Step-by-step explanation:

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5 0
2 years ago
Please help<br><br> 4% of 3.5km = ?
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We can first change 4% to a decimal by dividing by 100:

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Then we can multiply this by 3.5km:

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So now we know that 4% of 3.5km is 0.14km.

5 0
4 years ago
$450 and sold them for $828. what is the mark-up, as a percentage?
hjlf
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Just divide 450 out of 828
450/828= 0.54347
Move the decimal to the right twice

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3 years ago
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