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gorillalover9000
19.11.2020 •
Mathematics
Sandra drives 537.66 kilometers in 5.8 hours. What is Sandra’s average speed in kilometers per hour, to the nearest tenth of a kilometer? please hurry
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Ответ:
x^2 + x^2 +2x + 1 = 145 ;
2x^2 + 2x - 144 = 0 ;
x^2 + x - 72 = 0 ;
You solve the equation; the solutions of the equation are 8 and - 9 ( integers );
The two consecutive integers are 8 and 9 or - 9 and - 8 .