Answer:
All real numbers
Step-by-step explanation:
-3(10x - 4) = 5(-6x + 1) + 7
-30x + 12 = -30x + 5 + 7
-30x + 12 = -30x + 12
-30x = -30x
0 = 0
Best of Luck!
Answer:
∠ 4 = 140°
Step-by-step explanation:
The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.
∠ 4 is an exterior angle of the triangle, then
∠ 4 = ∠ 1 + ∠ 2 ( substitute values )
11x + 8 = 6x + 7 + 4x + 13
11x + 8 = 10x + 20 ( subtract 10x from both sides )
x + 8 = 20 ( subtract 8 from both sides )
x = 12
Then
∠ 4 = 11x + 8 = 11(12) + 8 = 132 + 8 = 140°
Answer:
False.
Step-by-step explanation:
The legs of a right triangle must have equal lengths and none of these are the same length.
