Who can help me please

Mathematics

1 answer:

dangina [55]2 years ago

7 0

9514 1404 393

Explanation:

Statement .... Reason

( ) .... Given (repeat of the given statements)

ΔACB ≅ ΔDCE .... SAS postulate

BA ≅ ED .... corresponding parts of congruent triangles are congruent

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Answer:

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Step-by-step explanation:

The quadratic formula is : $\frac{-b+-\sqrt{b^2-4ac} }{2a}$

A in terms of this question=9

B in terms of the question is 12

C in terms of the question is -24.

This question is an example of a quadratic equation. To work this out you may first need a calculator. The first step is to substitute the values of a,b and c into the formula. So once substituted the formula of $\frac{-b+-\sqrt{b^2-4ac} }{2a}$ becomes $\frac{(-12)+-\sqrt{(12)^2-4*(9)*(-24)} }{2(9)}$ . Although when written in a calculator there will not be a plus and minus button and so you would have to do this separately.