Well I don't know !
Let's work it out together:
3(x - 2) = -3x + 42
Eliminate parentheses: 3x - 6 = -3x + 42
Add 6 to each side: 3x = -3x + 48
Add 3x to each side: 6x = 48
Divide each side by 6 : x = 8
3x - 2.6 = x + 8.2
2x = 10.8
x = 5.4
Answer:
The answer is D.
Step-by-step explanation:
You have to divide it by 2 :
∠RST = ∠ROT ÷ 2
= 46° ÷ 2
= 23°
O represents the centre of circle.
(Correct me if I am wrong)
Answer:
30056
Step-by-step explanation:
For this item, only the fourth choice do not prove that the given figure is a parallelogram. For a quadrilateral to be parallelogram, its opposite sides should be equal and are equal in length. The opposite angles should also be equal; however, they are not always supplementary.