2 half dollars just mean a dollar. In that case, that's 10 dimes. (10*10=100)
Answer:
13
Step-by-step explanation:
Multiply 130 by .10, To Multiply a number by a percent you have to move the decimal two places to the left.
Answer:
umm i can try to help you with the test
Step-by-step explanation:
Answer:
4.72 hours/day
Step-by-step explanation:
Mean time spent watching TV (μ) = 2.8 hours a day
Standard deviation (σ) = 1.5 hours a day
The 90th percentile (upper 10%) of a normal distribution has an equivalent z-score of roughly z = 1.282. The minimum time spent watching TV, X, at the 90th percentile is:
On a typical day, you must watch at least 4.72 hours of TV to be in the upper 10%.