3 years ago

Pls help i’ll do brainlist!!

Mathematics

1 answer:

chubhunter [2.5K]3 years ago

4 0

Answer:

12345

Step-by-step explanation:

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Find the 11th partial sum of the summation of negative 7i plus 22, from i equals 1 to infinity.

marta [7]

I think you mean,

$\sum_{i=1}^{\infty}(7i+22)$

You can use the usual formula,

$S_{k}=\frac{k}{2}(a_1+a_k)$

That in this case is,

$S_{11}=\frac{11}{2}(29+99)=704$

Where I have used,

$a_k=7\cdot k +22$

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2 years ago

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professor190 [17]

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Romashka-Z-Leto [24]

Answer:

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2 years ago

Henry and Saul live 14 miles apart. Saul and Claire live 20 miles apart

8_murik_8 [283]

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3 years ago

1) Solve the equation, and check the solution.

Step2247 [10]

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