Answer:
you want me to round it I will edit it and show you
Step-by-step explanation:
Answer:
ijfds vb9weo8viybvwiue vbc
Step-by-step explanation:
crcrcrcrcrcrcccrcrcrcrcr
Answer:
the first one is triangle and the second one is rectangle
Step-by-step explanation:
i just did it on edge
Answer:
2x - 5 = 5x - 2
3x = -3
x=-1
Step-by-step explanation:
Your welcome!!
Brainliest Please!!!
Answer:
<u>131 seats</u> are in the 30th row.
Step-by-step explanation:
The theater is designed with the first row there are 15 seats, in second row 19 seats and in the third row there are 23 seats.
Now, to find the number of seats in the 30th row.
So, we get the common difference(
) from the arithmetic sequence first:

Thus,
So, the first tem
= 15.
The number of last row (
) = 30.
Now, to get the number of seat in the 30th row we put formula:





Therefore, 131 seats are in the 30th row.