Answer:
√3 - 2.
Step-by-step explanation:
Let A = 330 degrees so A/2 = 165 degrees.
tan A/2 = (1 - cos A) / sin A
tan 165 = (1 - cos 330) / sin 330
= (1 - √3/2) / (-1/2)
= -2(1 - √3/2)
= -2 + 2 * √3/2
= √3 - 2.
Answer:
3c^2+4c-15
Step-by-step explanation:
Answer:
80 students
Step-by-step explanation:
Given that,
Total number of students in 5th grade = 120
Two-thirds of the 5th graders are wearing sneakers today.
Let there are x graders wearing sneakers today.
Hence, 80 students are wearing sneakers today.
Answer:
$205,625
Step-by-step explanation:
Total is x, so
16% * x = 32,900
x = 32,900/0.16 = 205,625