I got 0.0389875 hope its right
Answer:
Simple random should be the technique used
Answer:
19.5
Step-by-step explanation:
<h3>
Answer:</h3>
95%
<h3>
Step-by-step explanation:</h3>
4 minutes is 4×(60 seconds) = 240 seconds.
The amount of dance time is (240 -12) seconds = 228 seconds.
The percentage of music time spent dancing is ...
... (228 seconds)/(240 seconds) × 100% = 95%
1.5+8i
2.4+6i
3.6i square root of 2