Hello,
D is an arithmetic sequence r=5)
C is a geometric sequence r=-1.
Answer C
Answer:
t=3 or t=−11
Step-by-step explanation:
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90 + 2x + 104= 360,
360-194 = 2x
166 = 2x, x =83.
X+67 = 150, X+37= 120.
-> 150, 120
Answer:
the second option!
Step-by-step explanation:
Answer:
x = 6, ∠ B = 126°
Step-by-step explanation:
∠ A and ∠ B are alternate angles and congruent, so
8x + 78 = 2x + 114 ( subtract 2x from both sides )
6x + 78 = 114 ( subtract 78 from both sides )
6x = 36 ( divide both sides by 6 )
x = 6
Then
∠ B = 2x + 114 = 2(6) + 114 = 12 + 114 = 126°