Answer:
y=6
Step-by-step explanation:
all you do is add 4 and 2
Answer:
i
Step-by-step explanation:
i = 
i^2 = -1
i^3 = -i
i^4 = 1
(Make sure you know your exponent rules)

Answer:
she was wrong
Step-by-step explanation:
x-4-11 = 0 (4+-1=4-1)
x=15
hence she was wrong
Answer:
The exact value of
sin
(
30
)
sin(30) is
1
2
12.
15
⋅
1
2
15⋅12
Combine
15
15 and
1
2
12.
15
2
152
The result can be shown in multiple forms.
Exact Form:
15
2
152
Decimal Form:
7.5
7.5
Mixed Number Form:
7
1
2
712
Step-by-step explanation: