Answer with explanation:
We know that if we select two items from a given set of items then the probability of selecting first item will effect the probability of selecting the second item.
Hence, the two events will be dependent.
But when the selection is done with replacement then the outcomes will be equal and hence, the probability of first event won't effect the probability of other.
Hence, the outcomes will be independent.
( Such a change happens because we know that the probability is defined as a number of favorable outcome to total number of outcomes and without replacement the total number of outcomes are different hence,one event get affected by the other)
Answer:
144°
Step-by-step explanation:
step 1
Find the measure of the central angle of the regular pentagon
Divide 360 degrees by 5 (the number of sides)
Let
c----> the center of the pentagon
we know that
m∠ECA=72°
m∠ACB=72°
therefore
m∠ECB=m∠ECA+m∠ACB
substitute the values
m∠ECB=72°+72°=144°
The measure of angle ECB is equal to the degrees that the pentagon rotate
Answer:
The width of Tyrone's actual patio is 16 feet
Step-by-step explanation:
=
If we look at what we know, we see that the scale tells us that 1 inch is proportional to 2 ft. What do we need to multiple 1 inch by to get 8 inches? 8. So, we multiply 2 feet by 8 to get the actual size of the patio which is 16 feet.