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makhaylabilbrey298
20.07.2019 •
Mathematics
[simplify radical equations]. this is a reworded version of my previous question, i messed up on the past one. i'm having a bit of difficulty figuring these out, i know it's easy but every time i try to look it up, the answers don't match the choices. answer any of the ones you can figure out. (you can use one choice more than once.) 1) √125. 2) √216. 3) √512. 4)√405. 5)√216. 6)√100. 7)√80. 8)√45. 9)√147. 10)√200. 11)√75. 12)√64. 13)√800. 14)√28. 15)√288. 16)√384. 17)√96. 18)√72. 19)√150. 20)√80 21)√125 22)√24 23)√192 24)√8 25)√216 26)√24 27)√16 28)√48 29)√75 30)√500 choices 4 9 16 25 36 49 64 81 100 121 144 169 196 225 256 289 324 361 400 sorry for all the questions, just answer as many as possible,
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Ответ:
1) √125 could be broken down into two factors: sqrt(5*25) = 5sqrt(5) (ans.)
5)√216 Think: perfect square factors include 1, 4, 9, 16, 25, 36, 49, 81, 100, 121, etc. Which of these perfect squares divide into 216 with no remainder? We want the largest such square. It is 36. Therefore,
sqrt(216) = sqrt(36*6) = 6sqrt(6) (answer)
9)√147 Think: what is the largest perfect square factor of 147? Look at the list above (Problem 5). How about 49? Then sqrt(147) = sqrt(49)*sqrt(3), or 7sqrt(3).
Please choose 2 of the remaining problems. Follow my examples. Share your work. I'll return if at all possible and continue to help you.
Ответ:
12.405
Step-by-step explanation: