anonymous
  • anonymous
Why does this make no sense to me at all If you have Sqrt of 1-(.50)^2 the calcultor says its .87 How is that possible The sqrt of 1 is 1 1-.5 is .5 Can someone explain this
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
\[\sqrt{1-(.50)^2}\]
anonymous
  • anonymous
be careful when entering it
lalaly
  • lalaly
use brackets

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anonymous
  • anonymous
i did and the answer in my math book is .87
anonymous
  • anonymous
if type in sqrt (1-(.50)^2) just liek that it says .87 how does that make sense at all The sqrt of 1 is 1 and 1 -,5 is not .87
lalaly
  • lalaly
first do 1-.5^2 then take the sqrt of the answer i tried it
anonymous
  • anonymous
like lalaly said, you have to do the stuff under the sqrt first...
lalaly
  • lalaly
In addition and subtraction \[\sqrt{1-0.5^2} \cancel{=} \sqrt{1}-\sqrt{0.5^2}\]
anonymous
  • anonymous
the sqrt of .5 is not .87 its .7 so what is going on
lalaly
  • lalaly
as i said u have to find whats under the root then find the square root, u cant take the sqrt of each number individually
anonymous
  • anonymous
nevermind im a moron ugh i hate having breaks at school i come back from break and forget everything i KNOW how to do sorry thanks
lalaly
  • lalaly
its ok... goodluck
anonymous
  • anonymous
You're not a moron. Everyone forgets stuff. That's why we're here to help. :)
anonymous
  • anonymous
thanks guys p.s i hate trig lol

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