rozlynnv22
30.10.2020 •
Mathematics
Colin was using the back of his book to check his homework answers. The answer that he had on his paper was −1/3 − (1/5 + 5/8). The correct answer, located in the back of the book, was −1/3 −1/5 + 5/8. Was Colin correct? Justify your response.
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Ответ:
No. Colin was incorrect.
Step-by-step explanation:
From the question, we are informed that the answer that Colin had on his paper was −1/3 − (1/5 + 5/8) while the correct answer, located in the back of the book, was −1/3 −1/5 + 5/8.
Colin was wrong because he didn't take into effect that the minus has affected the figures in the bracket. Therefore, 1/3 − (1/5 + 5/8) simply means 1/3 - 1/5 - 5/8.
He didn't realise that (-) × (-) = + which has resulted in the change of the sign beside 5/8 from positive to negative.
Ответ:
I believe the answer you are looking for is 2 or greater. fan me