Yes this is proportional!
Answer:
3/7 - 1/12 is equal to 29/84, which is less than 1/2, so no, it is not greater than 1/2.
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Answer:
No, there are no vertical angles shown.
Answer:
400 mL
Step-by-step explanation:
0.50x + 0.20(600-x) = 0.40*600
50x + 20*600 - 20x = 40*600
30x = 20*600
x = 20*20
x = 400 mL
6 units
12 is also a diameter because it goes through the whole circle.
Divide it by 2 to find 6.