Simplify 3(x+2)-6+x please!
2 answers:
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Notice that
so that for each power of 2, there is a pattern of period 4. This means that for integers
, each of 
, 
, 
, and 
have the same units digit.
We can write
, and since 
, it follows that 
and 
share the same units digits. So the units digit of 
is 8.
so that for each power of 2, there is a pattern of period 4. This means that for integers
We can write
First you have to do 
.
Since the car is moving at a constant rate, the answer would be 8h.
Since the car is moving at a constant rate, the answer would be 8h.