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3 years ago

8

Help, please! I need help quickly...

1 answer:

Mekhanik [1.2K]3 years ago

8 0

The sum telescopes to

(1 - 1/3) + (1/3 - 1/5) + ... + (1/199 - 1/201) = 1 - 1/201 = 200/201.

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Question 22 is

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3 years ago

I need the solution for

oksano4ka [1.4K]

Step-by-step explanation:

$- 2x + 4y = - 4 \\ 2x + 8y = 16 \\ 2x = 16 - 8y \\ x = \frac{16 - 8y}{2} \\ x = 8 - 4y \\ - 2(8 - 4y) + 4y = - 4 \\ - 16 + 5y + 4y = - 4 \\ 9y = 12 \\$

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3 years ago