Evaluate -8.24+3.7 With steps

1 answer:

8 0

-8.24
+ 3.70
————
-4.54

Since the larger number is negative, you can act like the negative sign doesn’t exist and just subtract the 3.7 from the 8.24. Put the negative sign back for your final answer.

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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.