A pool is being drained at a rate of 120 gallons per minute. What is this rate in gallons per hour?
2 answers:
120 gallons/min * 60 minutes/hour = 120*60 gallons/hour
7200 gallons/hour
The easiest way to do this is by using dimensional analyis. That way we cancel out the units.
This rate is 7200 gal/hr
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The two numbers that multiply to get 9 and add up to get 10 is 9 and 1.
Answer:
m = -2
b = 3.5 or (0, 3.5)
Step-by-step explanation:
y = mx + b
m = slope
b = y-intercept
y − 3.5 = −2x
y = -2x + 3.5
m = -2
b = 3.5
Slope = Vertical rise / Horizontal run
Slope = 2 / 36
Slope = 1/18
Slope ≈ 0.0556
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