Two trains leave stations 456 miles apart at the same time and travel toward each other. One train travels at 105 miles per hour
1 answer:
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Given:
The expression is .
To find:
The position of parentheses inserted in the expression to get the value 19
Step-by-step explanation:
We have,
Now,
There are more ways to apply the parenthesis, but we do not get 19.
And many more possibilities.
Therefore, the expression after inserting the parentheses is .
Answer:
The equation for the relationship is .
Step-by-step explanation:
Given that point is part of a direct relationship. That is:
(1)
Where is the proportionality constant.
If we know that and
, then the proportionality constant is:
Lastly, the equation for the relationship is .