Answer:
23.8
Step-by-step explanation:
2(5.7) + 2(6.2)
11.4 + 12.4
23.8
[ Answer ]

[ Explanation ]
-3(n + 5) = -21
Divide Both Sides By -3
= 
Simplify:
N + 5 = 7
Subtract 5 From Both Sides:
N + 5 - 5 = 7 - 5
Simplify:
N = 2
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Just multiply:
5 cm*(4 cm)*(1.5 cm) = 30 cm^3
The formula of the volume is area of the base by the height.
Answer:
7/24
Step-by-step explanation:
14 ÷2 7
------------- = -------------
48 ÷2 24