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vekshin1
2 years ago
6

All the students in a science class complete a 15-point

Mathematics
1 answer:
AfilCa [17]2 years ago
4 0

Answer:

first one is the answer

Step-by-step explanation:

if x + y =. y = x +15

mark me brainliest please

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2π(5)

Step-by-step explanation:

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3 years ago
Example 2 Determine the sum of the first 100 terms for the series 2+5+ 8 + ...​
balandron [24]

Answer:

15050

Step-by-step explanation:

Hello!

So basically, this arithmetic sequence follows the rule (3n-1). What you are looking for is the summation of (3n-1) with a lower limit of 1 and an upper limit of 100. This, plugging it into a calculator (etc. symbolab) or even calculating it manually, we get ∑↑100↓n=1⇒3n-1=15050.

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3 years ago
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