If the product of two positive numbers be 1575 and their ratio is 7:9, find average of these numbers
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product of two numbers=1575
as the given ratio is 7:9
the two numbers will be in the form of 7x,9x
hence,7x(9x)=1575
63x∧2=1575
x∧2=25
x=5
if x is 5, the two numbers are 35,45
average of 35,45=(35+45)/2
=80/2
=40
sumikumar1714:
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let one no. be 7x
let other no. be 9x
ATQ
7x*9x=1575
= 63x^2=1575
= x^2=1575/63=25
x = √25=5
one no. = 7*5=35
other no. = 9*5=45
Average= sum of observatinon/no.of observation
average of 35 and 45= 80/2=40
plzz mark it as brainliest
let other no. be 9x
ATQ
7x*9x=1575
= 63x^2=1575
= x^2=1575/63=25
x = √25=5
one no. = 7*5=35
other no. = 9*5=45
Average= sum of observatinon/no.of observation
average of 35 and 45= 80/2=40
plzz mark it as brainliest
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