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Serga [27]
3 years ago
9

One number is six times as large as another. The sum of their reciprocal is 7. What are the numbers

Mathematics
1 answer:
RideAnS [48]3 years ago
5 0
X=6y

sum of their reciprocals
(1/x)+(1/y)=7
x=6y
1/6y+1/y=7
1/6y+6/6y=7
7/6y=7
times both sides by 6y
7=42y
divide both sides by 42
1/6=y

x=6y
x=6(1/6)
x=6/6
x=1

the numbers are 1 and 1/6
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Solution

             To    find   Which two numbers on the number line have  sn  

            absolute value of 1.75  .

            Absolute   value   means    " how  far   a  number    is   from  

            zero "  .

           "1.75"    is    1.75   away   from   zero  .

           and  " -1.75"   is  also   1.75    away   from  zero  .

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           So ,  the  absolute   value  of   "1.75"    is  1.75  

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          Hence  , the  two  numbers   are   -1.75  and  1.75  .

                 

           

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