Answer:
x/4-1
Step-by-step explanation:
Ok use photomath it’s way better for stuff like that
Answer:
B. 171.74 cm²
Step-by-step explanation:
Area of a sector =
.
Where,

radius (r) = 8.7 cm
Plug in the values into the formula
Area of sector = 
Area of sector = 
Area of sector = 171.74 cm² (approximated)
Answer:
The expected value is an expression of the weighted average and can be taken as the (arithmetic) mean
As the number of trials is increased in a binomial experiment, the expected values obtained, in each of the set of trials continuously tend to the theoretical expected value
Step-by-step explanation: