find the value of X if
see in image given above
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varaddaithankar:
x=3 is the right answer
hi
hi
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Answered by
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2⁴×2⁵=2³×2x
=2(⁴+⁵)=2(³+x)
9=3+x
x=6
x=64
I found the answer of 2^4 x 2^5 and then got 512. I had to divide that by 2^3 (8.) I ended up with 64.
no x=3...64 is wrong
is my answer correct?
no it is x=3
Answered by
0
2^9=2^(3x).......since 2^a*2^b=2^(a+b)
so comparing
we get 9=3x
so x=3
In a multiplex cinema. The duration of film in one hall is 90 min and that of another film is 120 min. If both the film starts 10 am when will the 2 halls start theiir films together again
Please answer
ok just a sec i am trying
yes they will
See in these type of questions we take lcm
90 and 120 have common multiple 360 so they will meet again so according to me two halls will start their film together at some time becoz of their being a common multiple
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