60% of what number is 33?
1 answer:
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Answer: 90
Step-by-step explanation:
Given : The number of fertilizer types = 6
The number of temperature zones =5
The number of water treatments=3
The number of different lawn plots =
Hence, the number of different lawn plots she needs in order to test each fertilizer type, temperature range, and water treatment configuration =90
Here are the coordinates :)
The double angle formula for the sine is
The right hand side is exactly your expression, where
So, rewriting the expression from right to left, we have