Math, asked by aryeelois, 3 months ago

The average age of 9 boys in a class is 15years. If another boy of age 13years joins the class, what is the average age of 10 boys?

Answers

Answered by Anonymous

0

Answer:

Additionalknowledge

Knowledge about Quadratic equations -

★ Sum of zeros of any quadratic equation is given by ➝ α+β = -b/a

★ Product of zeros of any quadratic equation is given by ➝ αβ = c/a

★ A quadratic equation have 2 roots

★ ax² + bx + c = 0 is the general form of quadratic equation

✌️✌️✌️

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