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DIA [1.3K]
3 years ago
11

Find an irrational number that is between 7.7 and 7.9. Explain why it is irrational. Include the decimal approximation of the ir

rational number to the nearest hundredth.
help please
Mathematics
1 answer:
Radda [10]3 years ago
6 0
The irrational number is 7.8. It is irrational because it does not terminate or repeat
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In general a system of equations can be represented as ax+by=c and dx+ey=f. In order this system of equations to have NO SOLUTIONS a/d=b/a≠c/f. In our example a=6, b=4, c=14, d=3, e=2 and f=k. To apply the formula above, 6/3=4/2≠14/k. Hence k≠7. It can be concluded that except k=7, any real number for k would cause the system of equations to have no solutions.

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