Answer:
54
Step-by-step explanation:
Answer:
Step-by-step explanation:
We know by definition that the cosine is an even function, therefore
We also know that the sin is an odd function, therefore
By definition:
Then:
Using these trigonometric properties we can simplify the expression
Multiply 200 rolls by 70%
200 *0.70 = 140
The bowler should knock at least 6 pins down 140 rolls
The appropriate description is A).
Mrs. Liang will be sampling the patron population with children who use reading groups. Unless that is the entire patron population, which we suspect it is not, her sampling method will be unrepresentative of the patron population as a whole.