Subtract and simplify. (2x^2+5x-4)-(3x^2+7x-1)
2 answers:
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Answer:
4 seconds.
Step-by-step explanation:
Let t be the time in seconds when the cheetah catches the antelope.
-Cheetah's speed is 90ft/s and the antelope's is 60ft/s with a 120ft distance between them.
#The expression of the distance of the two when they catch up is;
#Since the distance of the two will be equal at that point:
Hence, the Cheetah catches the antelope after 4 seconds.