Answer:
49) 
50) 
Step-by-step explanation:
Use the properties of exponent to reduce this expressions:
a) 
b) 
The answer would be 18 minutes.
15/9 = 30/x
cross multiply
15x=270
then divide
x=18
The percent decrease in the music revenue is 60.2%
<h3>How to calculate the percent decrease ?</h3>
Percent decrease can be described as the reduction in the value of a number.
In 1999, the revenue of the company was $14.1 billion
In 2014, the revenue of the company was $5.6 billion
The percent decrease can be calculated as follows
= 14.1 - 5.6/14.1 × 100
= 8.5/14.1 × 100
= 0.602 × 100
= 60.2 %
Hence the percent decrease is 60.2%
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Answer:
Step-by-step explanation:
5. deductive
6. deductive
7. if a figure has 3 sides, then it is a triangle
8. if a figure is not a triangle, then it does not have 3 sides
9. if a figure does not have 3 sides, then it is not a triangle
142/3 is the answer
Which is also equal to 47 1/3