Answer:
C. 10 : 16
Step-by-step explanation:
Attached below
<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%
Answer:b
Step-by-step explanation:
Answer:
1.75
Step-by-step explanation:
Answer:
b.
Step-by-step explanation:
Factor 25p^ 2 -81q^ 2 : (5p + 9q)(5p - 9q)
Steps
25p ^ 2 - 81q ^ 2
=(5p)^ 2 -(9q)^ 2
Apply Difference of Two Squares Formula: x ^ 2 - y ^ 2 = (x + y)(x - y)
(5p) ^ 2 - (9q) ^ 2 = (5p + 9q)(5p - 9q)
=(5p+9q)(5p-9q)
