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Svet_ta [14]
3 years ago
10

How do you solve this one 10x^2-25=x^2

Mathematics
1 answer:
solong [7]3 years ago
4 0
10x^2 - 25 = x^2
Take the square root of each side.

\sqrt{x^2} =  \sqrt{10x^2 - 25}
x = 10x - 5i




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A bank loaned out $19,500, part of it at the rate of 11% annual interest, and the rest at 7% annual interest. The total interest
Morgarella [4.7K]

The amount loaned at the interest rate of 11% is $3000.

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0.11a + 0.07b = 1485 equation 2

Where:

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b = = amount loaned at the interest rate of 7%

<h3>How much was loaned at 11% and 7%</h3>

In order to determine how much was loaned at 7%, take the following steps:

Multiply equation 1 by 0.11:

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Divide both sides by 0.04:

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Subtract 16,500 from 19,500 :

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To learn more about interest, please check: brainly.com/question/26164549

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