Answer:
Step-by-step explanation:
We can use the double angle identity for sine.
The given expresion is
We apply the identity to get:
We simplify to obtain;
This simplifies to:
The correct answer is D
Answer:
x=-2
Step-by-step explanation:
subtract 8 from both sides you get -4x=-8
divide by -4
you get x=-2
Answer:
The answer isn't listed in your options, are you sure you didn't make any typos?
Step-by-step explanation:
29*63=1,827
Answer:
12
Step-by-step explanation:
5x + 7x + 3x = 180°
15x = 180°
x = 180°÷15
x = 12
Answer:
A.
Myra can make 18 or fewer copies
Step-by-step explanation:
Let n be the no. of copies
The cost:
5 + 3n《59
3n《54
n《18
