anonymous
  • anonymous
\[\sum_{i=1}^{8}\] 25(1/2)^i-1
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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amistre64
  • amistre64
I can do that..... not step by step, but I canget the answer :)
anonymous
  • anonymous
thats fine :) im not going to complain ;)
amistre64
  • amistre64
is it 25 * (1/2)^i -1? its hard to tell from this angle

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amistre64
  • amistre64
or is the exponent (i-1)?
anonymous
  • anonymous
yes (: it is the exponent
anonymous
  • anonymous
25(1/2)square root i-1
amistre64
  • amistre64
ok..... (25 * ((1 / 2)^(1 - 1))) + (25 * ((1 / 2)^(2 - 1))) + (25 * ((1 / 2)^(3 - 1))) + (25 * ((1 / 2)^(4 - 1))) + (25 * ((1 / 2)^(5 - 1))) + (25 * ((1 / 2)^(6 - 1))) + (25 * ((1 / 2)^(7 - 1))) + (25 * ((1 / 2)^(8 - 1))) = 49.8046875 sqrt(i-1)?\[25 * (1/2) \sqrt{i-1}\]
amistre64
  • amistre64
you gotta give me the right equation lol.....what is it :)
amistre64
  • amistre64
if you can take a screen shot of the problem and post it as an attachment; thats prolly best.
amistre64
  • amistre64
you know how to do a screen shot?
anonymous
  • anonymous
nope. can you tell im clueless -_-
amistre64
  • amistre64
press this button on your keyboard
1 Attachment
amistre64
  • amistre64
open up paint
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amistre64
  • amistre64
paste the picture into the paint program
1 Attachment
amistre64
  • amistre64
save it to your desktop
1 Attachment
amistre64
  • amistre64
name it
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anonymous
  • anonymous
hi amistre64...could use your help when you're done ; )..sorry for intruding mamabeart88
amistre64
  • amistre64
attactch and post :)
1 Attachment
amistre64
  • amistre64
Does that make sense :)
amistre64
  • amistre64
ok btm ;)
anonymous
  • anonymous
woww! mmk lemme try ! thanks amistre64! i never knew you could do that :D
amistre64
  • amistre64
you never knew "I" could do that? lol
anonymous
  • anonymous
AHAHA; wow apparently my grammer isnt any better -_-
amistre64
  • amistre64
ok.... I can do that :)
amistre64
  • amistre64
thats what I did before :) and got: 49.8046875

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