Answer: 48°
Step-by-step explanation: AD=AB, ∠ADC=∠ABC.
(5x-147)°=2x°, 3x=147, x=49.
So, ∠ADC=∠ABC=98°,
∠DCB=360°-{116°+2(98°)}
=360°-(116°+196°)
=360°-312°
=48°
Answer:
Step-by-step explanation:
-2x²-3x+8=0
disc.=b²-4ac=(-3)²-4(-2)(8)=9+64=73>0
it has two real irrational solutions.
Answer:
Step-by-step explanation:
Answer:
$150.
Step-by-step explanation:
You would add to get the answer.
57 + 90 = 150.
Feel free to let me know if you need more help. :)
