50 cm = 1/2 m
3 m ÷ 1/2 m = 6
It will take him six days.
54 buttons ÷ 9 button cards = 6
She should buy 6 cards of buttons.
Rotated: The figure can be rotated 2 times. Angle of Rotation: 180
∘
Step-by-step explanation:
This is the correct answer.
Even according to calculator and working.
So not quite sure why those options are incorrect?
Answer:
x = -4 ± 2√3
Step-by-step explanation: