Answer:
0
Step-by-step explanation:
The light intensity would be cut by 100% if the second filter is rotated 90 degrees.
Answer: C) 50%
If the polarizes are parallel, then it will be 0%. But if they're both perpendicular than it will be 50%. If they are neither parallel nor perpendicular, than it will be less than 50% and greater than 0%
x=4
y=3
2 miles in 21 minutes = 8 miles in 84 minutes
6 miles in 63 minutes
please give brainliest
Event A - 1/3
Event B - 4/9
Add them together 3+4+2= 9
then put them in to fractions...
=-42+3-3
=-42-3+3
=-45+3
=-42
this is the correct answer
please mark me as brainlist
