Huh... In school, I was taught that those angles are Supplementary... But the answer is B.
Answer:
x = 3,-13 :)
Step-by-step explanation:
hope this helps plz brainiest
Answer:
x=2
Step-by-step explanation:
Since they are both equal to y set them equal to each other: 2x-3=-8x+17
Subtract 17 from both sides: 2x-20=-8x
Subtract 2x from both sides: -20=-10x
Divide both sides by -10: 2=x
The first one is reflexive, which states that anything equals itself.
The second is the commutative property for multiplication, as it states that it doesn't matter what order you multiply the numbers in, the product remains the same :)
Answer:
6.5 ft
Step-by-step explanation:
When we draw out our picture of our triangle and label our givens, we should see that we need to use cos∅:
cos57° = x/12
12cos57° = x
x = 6.53567 ft