Answer:
190.67 ft/sec
Step-by-step explanation:
130 mi/hr x 5280 ft/mi x 1/60 hr/min x 1/60 min/sec = 190.67 ft/sec
It makes more sense if you write these as fractions and cancel units.
5 and -5
3x² = 75
x² = 75/3
x² = √25
x = 5 and - 5
Check the picture below.
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