<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%
Simple (Cross multiplication )
7 x
_ _ = 700/8 = 87.5 (100-87.5 = 12.5 is the missing value.
8 100
Answer:
See explanation
Step-by-step explanation:
Given


Required
Find x
The question is incomplete, as the relationship between both angles is not given
(1) If they are supplementary, then


Collect like terms


Divide both sides by 7

(2) If they are complementary, then


Collect like terms


Divide both sides by 7

(3) If they are vertically opposite angles, then

So, we have:

Collect like terms


The correct answer is C
Hope this helped :)
Answer:
Step-by-step explanation: