moviestar moviestar

23-03-2014
Mathematics

Answered

i am stuck heres the question;
the product of 2 numbers is 144 and their difference is 10 what is the su of the 2 numbers
if you can help Thanks¡

Answer :

MathG33k MathG33k

23-03-2014

Well using guess and check I got 8 x 18, and that also equals 10 when subtracted, hope this helps ! :D

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deathstrike001 deathstrike001

23-03-2014

Xy=144
x-y=10

x=144/y
Y-10=144/y
y2-10y=144
y2-10y+25=169
(y-5)square=169
(y-5)=13 Y-5=-13
y=18 Y=-8

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