3 years ago

What are the answers?

Mathematics

2 answers:

Bond [772]3 years ago

3 0

Answer:c

Step-by-step explanation:

sergejj [24]3 years ago

3 0

Answer:

Step-by-step explanation:

We have the sequence: 50, 54, 58, ....

The sum to n terms is a + (n - 1)d....where a is the first term and d is the difference between terms. Hence, a = 50 and d = 4

so, f(n) = 50 + 4(n - 1) => 4n + 46

Hence, in row 20 we have 4(20) + 46 => 126 seats

:)>

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