Answer:
P = 47.32
Step-by-step explanation:
This triangle is a special triangle. Because it is 30-60-90 it will have measurements similar to
. If the longest side is 20 then it corresponds to 2. This means the shortest side of 1 corresponds to half this or 10.
So the triangle will have sides
.
To find the perimeter add all these lengths.

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Simply substitute the value of the intensity to the variable i. Taking its logarithm to the base 10, the answer would be 7.8. Hence, 6 million ergs is equivalent to 7.8 based on the Richter scale.
Answer:
I am assuming yes, the information in the text does not include the prices for each individual item, but when you multiply and add the numbers together ( 12+18(12)+12(12)+ 14(12)= 540) you end up with a lesser number.
Step-by-step explanation: