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hammer [34]
3 years ago
10

Robert stands atop a 1,380-foot hill. He climbs down, reaching the bottom of the hill in 30 minutes. What is Robert’s average ra

te of elevation change in feet per minute?
A.

+460

B.

+46

C.

-46
or
D.

-460
Mathematics
1 answer:
Zigmanuir [339]3 years ago
3 0

Answer:

-46 feet/min

Step-by-step explanation:

Initial elevation = 1,380 ft

Final Elevation = 0 feet

Change in elevation

= Final elevation - Initial Elevation

= 0 - 1,380

= - 1,380 feet

Given that the journey took 30 min,

rate of descent = Change in elevation / time

= -1,380 / 30

= - 46 feet/min

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