you bought a mobile kit. you read the package that the weight of the entire mobile is 40 oz, each inch of crossbar weights 1 oz.
what is the weight of each shape? justify your reasoning
1 answer:
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Answer:
3 cm
Step-by-step explanation:
First, find the volume of the cone.
V = r²h
V = (3.14)(9)(12)
V = 113.04
This means the sphere is also 113.04
Use the formula V = r³
113.04 = (3.14)r³
113.04 = 4.19r³
26.98 = r³
3 ≈ r
Answer:
Step-by-step explanation:
Conversion factors:
1 km = 1000 m
1 m = 100 cm
1 h = 60 min
1 min = 60 sec
48.6 km/h = 81,000 cm/min = 13.5 m/sec
