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Mathematics 6 Online
OpenStudy (anonymous):

I would greatly apperciate help! CLICK HERE -> Only 3 questions!

OpenStudy (anonymous):

5. Use summation notation to write the series 2 + 4 + 6 + 8 + ... for 10 terms.

OpenStudy (anonymous):

OpenStudy (anonymous):

The one above is another question .. #6

OpenStudy (anonymous):

#8

OpenStudy (anonymous):

do you get any @Hero

hero (hero):

1. Make a summation symbol 2. Write n = 1 at the bottom 3. Write n = 10 above it 4. Write 2x next to it

OpenStudy (anonymous):

thats for #5 right

hero (hero):

Yes

OpenStudy (anonymous):

\[\sum_{n=1}^{n=10} 2x\] like this

hero (hero):

Yes, but you only write 10 at the top.

OpenStudy (anonymous):

and what about #6 and #8

OpenStudy (anonymous):

Do you happen to understand the others ?

hero (hero):

Yes. They are not difficult for you to figure out

OpenStudy (anonymous):

how do i do it?

OpenStudy (anonymous):

Can u explain

OpenStudy (anonymous):

@Hero ?

hero (hero):

Wait

OpenStudy (anonymous):

ok..

hero (hero):

You do realize you have to create a sum, right?

OpenStudy (anonymous):

yeah

OpenStudy (anonymous):

but i dont know how

hero (hero):

You also know that n = 3 is the start, and n = 8 is the end, and 5n is the term you insert each n value.

OpenStudy (anonymous):

no i didnt

hero (hero):

5(3) + 5(4) + 5(5) + 5(6) + 5(7) + 5(8)

OpenStudy (anonymous):

oh

hero (hero):

Now all you have to do is find the sum of that.

OpenStudy (anonymous):

the number is to lareg

OpenStudy (anonymous):

is it 210

hero (hero):

I have to explain to you how to add as well?

OpenStudy (anonymous):

wow that was rude!

OpenStudy (anonymous):

165

hero (hero):

Yes. You're better off using a calculator to find the sums of these.

OpenStudy (anonymous):

how do you do #8

hero (hero):

I wasn't trying to be rude by the way

hero (hero):

Do it the same way you did the previous one. Insert the values as a sum. Then add all of them together.

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