9514 1404 393
Answer:
63
Step-by-step explanation:
The number of seats in a row will give an arithmetic sequence:
6, 9, 12, 15, ...
The first term is 6; the common difference is 3. The general term is ...
an = a1 +d(n -1) . . . . . . n-th term of sequence with first term a1, difference d
The 20th term of the sequence is ...
a20 = 6 +3(20 -1) = 6 +57 = 63
There would be 63 seats on the 20th row.
Answer is a step by step so you divide
Answer:
A right triangle with degrees 20, 70, 90.
Step-by-step explanation:
Answer:
True 24=24
Step-by-step explanation:
4+8+12=3x8
12+12=24
24=24
Answer:
55
Step-by-step explanation:
bisect means to cut in half so it is half of 110 so it is 55
