Answer:
v₁ = 2.5; v₂ = 0.5.
Step-by-step explanation:
4v² + 8v + 5 = 10
4v² + 8v + 5 - 10 = 10 - 10
4v² + 8v - 5 = 0
D = 8² - 4 · 4 · (-5) = 64 + 80 = 144

Answer:
125 degrees
Step-by-step explanation:
They are opposite angles
Answer:
11:45 - 4 hrs = 7:45 - 30 mins(1/2 hour)(1 hour=60 minutes) = 7:15
Answer:
5.5, 6.0, and 8.0 mm.
Step-by-step explanation:
These 3 pearl sizes were the only 3 to occur one time, as shown as the one dot on the dot plot. The other 3 sizes occured many more times than just once.
Answer:
136/2 = 68
Step-by-step explanation:
8 x 8 = 64 and
12 x 6 = 72
72 + 64 = 136