anonymous
  • anonymous
My calculator died & I don't have a new one yet. Would someone please solve this for me. Thanks!! 1.3√ 160 = ____
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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amistre64
  • amistre64
google it lol
amistre64
  • amistre64
what factors of 160 are perfect squares?
anonymous
  • anonymous
I tried to Google it no luck. Even tried to find an online root calculator... it didn't except the decimal place...wanted Whole number

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anonymous
  • anonymous
Oh come pls....its been almost 30 yrs since school
amistre64
  • amistre64
so you simply need the whole number of this thing?
amistre64
  • amistre64
it was 20 yrs for me lol
anonymous
  • anonymous
Its part of a formula for calculating the DPN for a sailboat. For racing. its used for multiple class races to even out
amistre64
  • amistre64
1.3 * sqrt(160 is what google will accept as the equation)
anonymous
  • anonymous
it is 1.3 root of the Sail Area. which is 16o sq-ft
anonymous
  • anonymous
oh
amistre64
  • amistre64
1.3 * sqrt(160) that is
anonymous
  • anonymous
I enterd the sqrt symbol Thanks!!!
anonymous
  • anonymous
1.3 * sqrt(160) = 16.4438438
amistre64
  • amistre64
1.3 * sqrt(160) = 16.4438438 from the google :)
anonymous
  • anonymous
so 1.3√160= 16.44
anonymous
  • anonymous
Thanks for the help!!
amistre64
  • amistre64
youre welcome:)
anonymous
  • anonymous
Its 16.44..... All the Best :D
anonymous
  • anonymous
OK......thanks! but I think that is wrong...... Will someone with a good old fashioned HP Reverse polish notaion calculator check this for me. I think it is actualy: 1.3rd root of 160 = 49.5994556 1.3 * sqrt(160) = 16.4438438 is really saying 1.3 times the square root of 160 which is like 12.65, so 12.65 x 1.3 = 16.44 OK so after 30 yrs I may not remember everything I learned in HS, but I do know enough to check alternate sources, and I do have common sense. Thanks for the help!
anonymous
  • anonymous
OK I guess no one on here right now prob even knows what I'm talking about when I say an HP Reverse polish notaion eh? Well its simple a term we used in the 90's for the Hewlet Packard high end calclators where you input in rverse of standard calculators.
amistre64
  • amistre64
you think its 1.3 as the root to the radical instead of a square root?
anonymous
  • anonymous
yes! 1.3root of 160
anonymous
  • anonymous
1.3√160
anonymous
  • anonymous
not 1.3 x √160
amistre64
  • amistre64
1' 3/10 = 13/10.. 160^(10/13) is the answer to that one then
anonymous
  • anonymous
huh?
amistre64
  • amistre64
160^(10 / 13) = 49.6
amistre64
  • amistre64
radicals are fractional exponents
anonymous
  • anonymous
yes 1.3rd root of 160 = 49.5994556
amistre64
  • amistre64
\[\sqrt[a]{b} = b^{1/a}\]
anonymous
  • anonymous
now you get the medal. Thanks! for confirming the first answers given were erronious. Have a great day!!
amistre64
  • amistre64
\[\sqrt[5]{12^2} = 12^{2/5}\]
amistre64
  • amistre64
:) youre welcome
amistre64
  • amistre64
\[\sqrt[1.3]{160}=\sqrt[13/10]{160}=160^{\frac{1}{13/10}}=160^{10/13}\]
anonymous
  • anonymous
but what is (DPN) if (DPN)=A+[B(DR)] DR=18.923 and A,B are Linear Regression Coefficients
amistre64
  • amistre64
yipes!!.... what math you in that has that?
anonymous
  • anonymous
or does the A & B require a data set to determine the answer....been to long since Statistics 103
anonymous
  • anonymous
I'm 20 yrs past College
anonymous
  • anonymous
that is Statistics
amistre64
  • amistre64
ahh...im taking intro to stats this semester
anonymous
  • anonymous
I could do it if I had my old calculator and the cheat sheet I think
anonymous
  • anonymous
u in HS or College
amistre64
  • amistre64
college at 40
anonymous
  • anonymous
oh...LOL I went @ 27
anonymous
  • anonymous
49 now
amistre64
  • amistre64
i was a decent carpenter at 27 :) now my bodys broke so im going to colleget o get a masters in math :)
anonymous
  • anonymous
been trying to figure out the Portsmouth Yardstick # for racing a non standard class sailboat in handi-cap racing
anonymous
  • anonymous
they have formulas but not much detail on how to use them. I was a Mech Design Major so I only use math whem I have to..LOL and my old collge Calc died 2 yrs ago...guess I should go buy a new one.
amistre64
  • amistre64
or make a new one :) it wasnt one of those wristwatch calculators was it :)
anonymous
  • anonymous
lol no...it was a K-mart special...but a decent brand name..don't remember exactly..something like texas instruments or equiv. Couldn't afford an HP @ $300 while working way thru college. but it worked good enough to get me by with decent grades
anonymous
  • anonymous
It even had most of the mid to high level Statistics functions so it saved my butt in Statistics..it came with a little instruction booklet on how to use it and it was very detailed on how the formulas worked...like a little cheat sheet....got A's in Stats cause of it.
anonymous
  • anonymous
You'll have fun in Statistics..not as boring or hard as some make it look. Just remember...no matter how many times you flip a coin and it comes up heads, the odds it will be heads on the next flip is stil 50%....Statistics Trick ??? some instructors like to use.
amistre64
  • amistre64
:) thnx and good luck

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