3 years ago

The price of a tablet was reduced from $70 to $56. By what percentage was the price of the tablet reduced?

Mathematics

1 answer:

Komok [63]3 years ago

8 0

Answer:

20%

Step-by-step explanation:

70-56=14 14/70=0.2 or 20%

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Nady [450]

Hello,
To exist x≠0

if x>0 then
x+2/x>=3==>x²+2>=3x
==>x²-3x+2>=0
==>(x-2)(x-1)>=0 positive out of the roots
==> (x<=1 or x>=2) and x>0
==>(0<x<=1) or (x>=2)
else
x<0
x+2/x>=3==>x²+2<=3x
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==>(1<=x<=2) and x<0 : no solution
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3 years ago

Subtract 7x-9 from2x^2-11

strojnjashka [21]

Answer:

The answer is: $2x^2-7x-2$