Answer:
Vanessa is 60 and the other person is 12
Step-by-step explanation:
X + 5x = 72
6x = 72
x = 12
12 x 5 = 60
vanessa is 60
the other person is 12
60 + 12 = 72
Cos 210° = cos ( 180° + 30° ) - cos 30° = - √3/2
Answer:
37
Step-by-step explanation:
substitute the given values for x and y into the expression
4x² + 2y
= 4(3)² + 2(
)
= 4(9) + 1
= 36 + 1
= 37
(Add5) 1/9..(add 7) 1/16... (add9) 1/25... (add 11) and get -> 1/36