Trigonometric ratio: find an angle measure
1 answer:
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Answer:
Step-by-step explanation:
we are given
- Amplitude:7
- Period:9π
- Phrase shift:¼
remember that,
where A is the Amplitude
B is the Period
C is the Phase shift
D is the vertical shift
note that, since D isn't given we'll take it 0
altogether substitute:
hence,
our equation is
and we are done!
Answer:
Option B) 100
Step-by-step explanation:
we know that
For a total number of 80 students , the number of boys that prefer soccer is equal to 10 (based on the table)
so
using proportion
Find out the number of boys that prefer soccer for a total number of 800 students