Michael and Christopher ran a total of 8.4 miles. Christopher ran 4.1 miles and Michael ran m miles. How many miles did Michael
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The value of given expression when x=-4 and y=4 is 1250.
The expression is missing in the question which is .
We have to solve it for x= -4 and y = 4.
Now putting the value of x and y we get,
Hence the value of given expression when x=-4 and y=4 is 1250.
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First, recall that
So if , then
.
Second,
We know that and
, which means we should also have
.
Third,
but as we've already shown, we need to have , so we pick the negative root.
Finally,
Unfortunately, none of the given answers match, so perhaps I've misunderstood one of the given conditions... In any case, this answer should tell you everything you need to know to find the right solution from the given options.