In one year Detroit, Michigan, recorded 30.9 inches of snow and Chicago, Illinois, recorded 39.9 inches of snow. Which city had
2 answers:
Answer:
Chicago had 9 inches more snow.
Step-by-step explanation:
We have been given that in one year Detroit, Michigan, recorded 30.9 inches of snow and Chicago, Illinois, recorded 39.9 inches of snow.
To find the city with more snow, we will subtract 30.9 from 39.9.
Therefore, Chicago, Illinois had 9 inches more snow.
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Answer:
See below
Step-by-step explanation:
We shall prove that for all . This tells us that 3 divides 4^n+5 with a remainder of zero.
If we let , then we have
, and evidently,
.
Assume that is divisible by
for
. Then, by this assumption,
.
Now, let . Then:
Since , we may conclude, by the axiom of induction, that the property holds for all
.