Answer:

Step-by-step explanation:


Answer:
0.25
Step-by-step explanation:
From the given information:
Since the times are uniform distributed over the one hour period (0,1):
Then;


So,
and
are independent; then:




= 0.25
Answer:
Bottom left
Step-by-step explanation:
For it to be scalene, all 3 sides must be of different length, so cross off D. Acute means all angles are less then 90°, so cross off the top 2.
Answer:
The midpoint of a line segment joining (a, b) and (c,d) is given by the formula 
Step-by-step explanation:
If point <em>M </em>in the figure lies midway between points
and
, point <em>M</em> is called the midpoint of segment. To find the coordinates of <em>M</em>, we average the x-coordinates and average the y-coordinates of P and Q.
So the the midpoint of the line segment with endpoints at (a,b) and (c,d) is the point with coordinates of

Answer:
7
Step-by-step explanation:
means x*x = 49
x * x = 49
x= 7

Hope this helps :)
Have a great day!