You put $500 in a savings account. The account earns $15.75 simple interest in 6 months. What is the annual interest rate? Show
1 answer:
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<h3>Answer:</h3>
- graphed below.
- vertex: (0, 0)
other points:
<u>x y</u>
-2 12
-1 3
0 0
1 3
2 12
Answer:
converts Celsius to Fahrenheit.
converts Fahrenheit to Celsius.
Step-by-step explanation:
Write given data in the table
Let the expression for the function be
Note, that this equation is linear equation and it is well-known fact that the Celsius to Fahrenheit dependence is linear.
Substitute corresponding values into this expression:
Subtract these two equations:
Substitute it into the first equation:
So,
This is the function which converts Celsius to Fahrenheit.
And function
converts Fahrenheit to Celsius.