Answer:
The number of boxes in an airmail shipment is discrete.
<em>Here is the trick:</em> If you can count it with your fingers, it is discrete, otherwise it is continuous.
*Assume you have a lot of fingers sometimes.
An example of something discrete would be the number of people in a room, because you cannot ever have half a person it means you will always have a whole number and thus discrete.
Something continuous would be how tall you are. You may tell everyone that you are 5'8 but really you are probably 5 foot 8.10444124(some crazy long decimal) inches. Additionalyl people are constantly growing and shrinking at all times throughout their lives due to the gravity, bad posture and natural growth thus it is variable that is varying and continous.
Answer:
Step-by-step explanation:
PRQ is the right angle. It is the angle opposite a diameter which is 90 degrees.
PQR is an acute angle. I can make no other statement about it without one more piece of information.
Answer:
The area of the circle is 
Step-by-step explanation:
we know that
The area of the circle is equal to

In this problem we have
----> the radius is half the diameter
substitute

Answer:
Step-by-step explanation:
to get the mean you need to add up all the numbers
46+52+51+54+49+51+61=364
then divide that sum by the amount of numbers you have
364 divided by 7=52
so the mean you have is 52 degrees