Answer: 4051 girls, 4862 boys and 1570 adults over 50 years of age group attended the festival.
Step-by-step explanation:
Let x denotes the number of girls.
Then, the number of boys = x+811
The number of adults over 50 years of age = x-2481
Now, by considering the given scenario :-

Thus, the number of girls attended the festival = 4051,
Then number of boys = 4051+811=4862
Number of adults = 4051-2481=1570
Answer:

Step-by-step explanation:
Given


--- angle in between
Required
The area of the plate
Since
is between
and 
The area is:




Answer:
2.4 × 10⁶
Step-by-step explanation:
Given:
To calculate the value of R, substitute the given values into the given formula:

Therefore, the value of R to 1 decimal place is 2.4 × 10⁶
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<u>Exponent Rules used</u>


Answer:
45%
Step-by-step explanation: