Cathy read about whales and learned that the average length of a blue whale is 80 feet. She also read that they can grow to be 9
1 answer:
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Answer:
(the relation you wrote is not correct, there may be something missing, so I will simplify the initial expression)
Here we have the equation:
We can rewrite this as:
Now we can add and subtract cos^2(x)*sin^2(x) to get:
We can complete squares to get:
and we know that:
cos^2(x) + sin^2(x) = 1
then:
This is the closest expression to what you wrote.
We also know that:
sin(x)*cos(x) = (1/2)*sin(2*x)
If we replace that, we get:
Then the simplification is:
=2025
change 18months to years=1.5 years then you use the formula
PRT÷100
change 18months to years=1.5 years then you use the formula
PRT÷100