3 years ago

I don't know how to do this problem.....please help

1 answer:

5 0

I hope this helps you

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Karo-lina-s [1.5K]

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Arlecino [84]

1,845 seats in the auditorium divided by the 15 sections will give you 123

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Rzqust [24]

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3 years ago

Travka [436]

Answer:

$S_5=\dfrac{170}{9}$

Step-by-step explanation:

Given that,

The sum of first n term of a sequence is $S_n=20-\dfrac{10}{2n-1}$

We need to find the sum of the first 5 terms.

Put n = 5,

$S_5=20-\dfrac{10}{2(5)-1}\\\\=20-\dfrac{10}{10-1}\\\\=20-\dfrac{10}{9}\\\\=\dfrac{170}{9}$

So, the sum of first 5 terms is equal to $\dfrac{170}{9}$ .

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3 years ago

VladimirAG [237]

There are 2,000 fifties in one hundred thousand

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2 years ago