1 answer:
Step-by-step explanation:
the area of this rectangle is
(10 + 2x)(8 + 2x) = 168
80 + 20x + 16x + 4x² = 168
4x² + 36x = 88
because for the whole length you need to add x twice (left and right). the same for the width (top and bottom).
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Answer:
C
Step-by-step explanation:
There are 3 available methods- Substitution , Elimination and <span>Matrix.
To solve this </span><span>linear equations lets use Matrix's.
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Put them all under one. so it would b 1/everything negative
100% - 24h
x - 2,5 h
≈10,4
ANSWER: More than 10% of day.
Thermal expasion ad ice craters melting.... Basically global warming.