Answer:
-1
Step-by-step explanation:
We see the given expression is equal to sin(pi/12 - 7pi/12), which is equal to sin(-pi/2), or just -1.
Answer:
12mn
Step-by-step explanation:
21mn21mn12mn12mn12mn21mn21mn21mn12mn
yw
Answer:
one fraction 17/5
mixed number: 3 2/5
Step-by-step explanation:
Answer:
nope
Step-by-step explanation:
there are same sizes fine but the breadth isn't the same
Answer:
x = -25
Step-by-step explanation:
25 = -7(x + 5) + 5x
25 = -7x - 25 + 5x
5x - 7x - 25 = 25
5x - 7x - 25 + 25 = 25 + 25
5x - 7x = 50
-2x = 50
-2x/-2 = 50/-2
x = -25