Answer:
1 time unit
Step-by-step explanation:
There is a 1 in 3 chance that the time until the bulb burns out is zero, and a 2 in 3 chance that the time is the average between 0 and 3 (since it is uniformly distributed). Therefore, the expected value for the time until it burns is:

The expected value of the time until the lightbulb burns out is 1 time unit.
Answer:
50 trays
3000 cookies
Step-by-step explanation:
We are given the following in the question:
1 cup of brown sugar and
cup of granulated sugar makes a tray of 60 cookies.
Total cups of sugar used(brown and granulated) = 1.5 cups
Number of sugar cups used by Lyle each week = 75
We have to find the number of trays made each week.

Thus, 50 trays of cookies are made each week.
Total number of cookies made each week =

Thus, 3000 cookies are made each week.
Answer:
First one:
Linearly, because the table shows that the orchids increased by the same amount each month
Step-by-step explanation:
Let y be the no. of Orchids and x be the no. of months
y = 1.4x + 9.6
Answer:
The answer is to rotate O"N"P 180 Degrees by point N
Step-by-step explanation:
This will show the similarity between the two triangles angles.
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