Answer:6
Step-by-step explanation:
since it is A half circle it is the hhalf Value of the area of the full circle
The given in the problem above is an arithmetic sequence with the first term equal to 4 and the common difference is 5. To determine the number of seats on row 23, use the formula, an = a1 + (n - 1) d
Solving for the 23rd term, an = 4 + (22) 5 = 114 seats
Therefore, the answer is there are 114 seats on the 23rd row.
Welcome Bby (;
You basically need to set up a porporion:
1.6/2.4 = x/7.2
x=4.8
The answer is A.All real numbers except -2.