Answer: X=5.25
Explanation: the entire angle is a 90. 90-6=84. 84 divided by 16 is 5.25
So the total number of students equals 8+17 = 25 students
Proportionally:

Thus,

boys out of the 100 students.
Answer:

Step-by-step explanation:
we know that
In an <u><em>Arithmetic Sequence</em></u> the difference between one term and the next is a constant, called the common difference
The formula for an Arithmetic Sequence is equal to

where
d is the common difference
n is the number of terms
a_1 is the first term of the sequence
In this problem we have

substitute



so
<u><em>Find the first ten terms</em></u>

For n=2 ----> 
For n=3 ----> 
For n=4 ----> 
For n=5 ----> 
For n=6 ----> 
For n=7 ----> 
For n=8 ----> 
For n=9 ----> 
For n=10 ----> 
The sequence is

K well uh i don't know what u meant but the 4th one i think so u