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monitta
3 years ago
5

Last year, Rachel opened an investment account with $8200. At the end of the year, the amount in the account had decreased by 7.

5%. How much is this decrease in dollars? How much money was in her account at the end of last year? What was the decrease in the amount? WHat was the year-end amount?
Mathematics
1 answer:
horrorfan [7]3 years ago
5 0
I think the decrease is $615. 
She would have $7585 left in her account at the end of the year. 
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AfilCa [17]
Answer: <span>If x – 5 ≠ 10, then 4x + 1 ≠ 61

Justification:
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1) The inverse of a conditional is negating both the hipothesis and the conclusion of the conditional, keeping the same sense of the implication.

2) This is the scheme (the symbol ~ is used to negate)

conditional: p → q
hypothesis: p
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inverse conditional: ~p → ~q

3) So, for the hypotheis <span>p: x – 5 =10 and the conclusion q: 4x + 1 = 61, the conditional p→ q is:

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If x – 5 ≠ 10, then 4x + 1 ≠ 61, which is the answer.</span>

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