问题
解答题
一个圆柱的体积是75.36立方厘米.它的底面直径是4厘米,这个圆柱的高是______.
答案
75.36÷[3.14×(4÷2)2],
=75.36÷[3.14×4],
=75.36÷12.56,
=6(厘米);
答:这个圆柱的高是6厘米.
故答案为:6厘米.
一个圆柱的体积是75.36立方厘米.它的底面直径是4厘米,这个圆柱的高是______.
75.36÷[3.14×(4÷2)2],
=75.36÷[3.14×4],
=75.36÷12.56,
=6(厘米);
答:这个圆柱的高是6厘米.
故答案为:6厘米.
An analyst gathered the following information about the monthly returns over the same time period from two diversified investment portfolios:
portfolio X | portfolio Y | |
Mean | 1.2% | 1.2% |
Median | 1.1% | 1.3% |
Mode | 1.0% | 1.4% |
A.①
B.②
C.③