Answer:
175/1001
Step-by-step explanation:
(a.)
Freshman: 5 Combination 2
sophomores: 7 Combination 3
Junior: 4 Combination 1
The combination of three groups :
=5c2 × 7c3 × 4c1
=10 × 35 × 4
=1400 ways
(b.)
=5+7+4=16
=2+3+1
Which is (16 combination 6)
The probability will be:
=(5c2 × 7c3 × 4c1) / 16c6
=1400/8008
=175/1001
Answer:
0.00243x
Step-by-step explanation:
I googled it.
√
6
⋅
√
15
=
3
√
10
Explanation: By radical laws,
√
a
⋅
√
b
=
√
a
b
.
Using this law:
√6⋅√15
=√90
√90 has 9, a perfect square, as one of its factors, so it can be simplified.
√90
=√9⋅10
=√9⋅√10
=3√10
1.) 1.2132117058
2.) 3.9171644
3.) 1.906130684
4.) 41.12519869
5.) 8.94427191