How much interest is earned on $2,700 in one year if it is invested at 3%?
2 answers:
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Answer:
x = 4
Step-by-step explanation:
Using Pythagoras' identity in the right triangle.
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is
x² + 1² = 9²
x² + 1 = 81 ( subtract 1 from both sides )
x² = 80 ( take square root of both sides )
x = =
=
×
= 4
Answer:
Step-by-step explanation:
In order to find the values of a piecewise function, we first have to determine which piece we are using.
For , x=-3. This means that we need to use
as
For , x=2. This means that we need to use
as x is equal to 2.