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Answer:
9
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Step-by-step explanation:
Answer:
Area = 12
Step-by-step explanation:
Given
See attachment
Required
Area of 
From the attached image, we have:
The area is then calculated as:
So, we have:
Using a calculator:
Remove absolute bracket
Answer:
Step-by-step explanation:
Divide: 12 : 13 = 12 · 31 = 1 · 32 · 1 = 32. Dividing two fractions is the same as multiplying the first fraction by the reciprocal value of the second fraction.
Answer:270
Step-by-step explanation: You have the first step right.
54 = 2 * 3^3
15 = 3 * 5
The common denominator will have the highest powers of all the prime factors.
2 * 3^3 * 5
270
