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simmonss2497
11.01.2021 •
Mathematics
Write an expression for 7 less than four times the difference of n and 5.
O 4ện - 5) +7
O 4n - 7
0 7 - 4(n - 5)
O in - 5
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Ответ:
16
Step-by-step explanation:
Use a special rule: BD^2=AD*DC (the squared height in right triangle drawn to hypotenuse is equal to the product of the parts of hypotenuse on which height divides the hypotenuse) 12^2=9*DC
DC=16