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mariarad [96]
3 years ago
11

Evaluate the expression. −3/(−3)^2

Mathematics
1 answer:
Ivenika [448]3 years ago
6 0

Answer: i'm not sure i wrote the problem out correctly but if this helps please give me a thanks!

Step-by-step explanation:

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If the 50th and 51st terms of an arithmetic sequence are 140 and 142, find the 1st term
morpeh [17]

Answer:

The first term is 42.

Step-by-step explanation:

The common difference is 142  - 140 = 2 so we have

50th term = a1 + 2(50 -1) = 140    where a1 is the first term

a1 + 98 = 140

a1 = 140 - 98 =  42.

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