angelynb412
18.11.2020 •
Mathematics
1. Simplify 4 square root of 2 plus 7 square root of 2 minus 3 square root of 2
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Ответ:
8√2
Step-by-step explanation:
4√2+7√2-3√2
11√2-3√2
8√2
SO option B is correct
Ответ:
2π(1.1)(3.2) + 2π(1.1²)
π(1.1²)(3.2)
Step-by-step explanation:
Right cylinder surface area formula.
A=2πrh+2πr²
=2π(1.1)(3.2) + 2π(1.1²)
Right cylinder volume formula.
V=πr²h
=π(1.1²)(3.2)
hope this helps!