Evaluating determinants. Attached solution.
What is the next number? 3,6,17,42,87,158,...,...
1 answer:
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Firstly, subtract a^2 on both sides:
Next, we are going to be using the difference of squares, which is . Use this on the right side of the equation:
Lastly, square root both sides of the equation, and <u>your answer will be </u>
Answer:
Approximately 10.2 inches
Step-by-step explanation:
The area of a square is given by the formula:
Where A is the area and s is the side length.
Since we already know that the area A is 105, substitute:
Now, take the square root of both sides:
Use a calculator:
So, the side length is approximately 10.2 inches.