17)
x² + 8 = -8
x² = -8 - 8
x² = 16
x = ±√-16
x = ±√16i
x = <span>±4i
</span>
18)
x² + 5 = -3
x² = -3 - 5
x² = -8
x = ±√-8
x = ±√8i
x = ±2√2i
19)
x² + 3 = 0
x² = -3
x = ±√-3
x = <span>±</span>√3i
hope this helps, God bless!
Answer:
180°
Step-by-step explanation:
The sum of angles in any triangle is 180°
The answer should be:
(x-4)^2 + (y+3)^2 = 6.25
hope this helped!
Answer:
To round you take the last diget and round it either up or down based on the number
if the number is 0-5 you round down
if the number is 6-9 you round up
so in this case you would round down to 6.4.930
Step-by-step explanation:
Answer:155in^2
Step-by-step explanation:
Area of the poster board that she has left=Area of ||gm- area of ∆
Area of the poster board that she has left= 10*20-1/2*9*10
Area of the poster board that she has left=200-45=155in^2
