Which rule can be used?

Mathematics

1 answer:

Svetradugi [14.3K]4 years ago

3 0

Thes first rule is correct.

Another way of doing it is:

Sum the digits of the number. If the result is divisible into nine, then the original number itself will also be.

Example:

18 = 1+8 = 9. 9 is divisible into 9.

27 = 2+7 = 9. 9 is divisible into 9.

Wish you luck!

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▹ Answer

You can use a graphing calculator. Attached is a picture of it graphed.

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4 years ago

To "derive" an equation means to get an equation from specific information. What is an example of deriving something that is not

allochka39001 [22]

It is true that To "Derive" means to get an equation from a specific information.

Explanation:

If we have an equation, we can easily answer various questions. The equation is derived by the data given, observations, results and assumptions. We also need to consider the law and theories while deriving an equation. While deriving an equation, the dependent and independent variables are arranged accordingly.

Example - To derive the formula of a quadratic equation.