If the sum of their lengths is 5,520 miles then River D is 2360 and River C is 3160
The sketch answers to question 8, 9 and 10 is given in the image attached.
<h3>What is an intersecting lines?</h3>
A link is known to be intersecting if two or more lines are said to have cross one another in a given plane.
Note that the intersecting lines are known to be one that often share a common point, and it is one that can be seen on all the intersecting lines, and it is known to be the point of intersection.
Looking at the image attached, you can see how plane A and line c intersecting at all points on line c and also GM and GH and line CD and plane X as they are not intersecting
Therefore, The sketch answers to question 8, 9 and 10 is given in the image attached.
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The answer is 6/40. All the others equal 1/5.
You want to find the value of x for which the area under the curve to the left of x is 0.6. One way to do that is to create the cumulative distribution function (CDF) for the given PDF, then see where it is equal to 0.6.
Doing that, we find a = 5.
ANSWER
C. 7
EXPLANATION
We want to evaluate

We use the order of operations PEDMAS.
Dealing with the parenthesis first,we have

Note that:

and

Our expression now becomes:

Next, we add to get:

We finally subtract to get,

The correct answer is C