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Svet_ta [14]
2 years ago
12

For what value(s) of k will each relation will not be a function? A={(k^2,16),(4k,32)}

Mathematics
1 answer:
lisov135 [29]2 years ago
8 0

Answer:

12x+4x-7y+45b+78a-44b+1a+1z+0d+1.1a+1.1a

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Tamara invests $8000 in two different accounts. The first account has a simple interest rate of 3% and the second account has a
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Answer:

  • $3200 at 3%
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Step-by-step explanation:

Interest earned is proportional to the interest rate, so if the interest earned is the same, the amounts invested must be inversely proportional to the interest rates. That is, for the 3% and 2% accounts, the ratio of money invested is 2:3.

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If you need an equation, you can let x represent the amount invested at the highest rate. Then 8000-x is the amount invested at the lower rate. For the interest in the two accounts to be equal, we have ...

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  5/2·x = 8000 . . . . . . . . . . . add x and simplify

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Tamara invested $3200 in the 3% account and $4800 in the 2% account.

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She earned $96 in each account for the year.

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