Mercury, Venus, and Earth are the three planets closest to the Sun. Would their combined distance in km from the Sun be greater
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QUESTION A
The total number of bottles Ella collected is
The number of bottles that are plastic is
The percentage of bottles that are plastic is
Therefore 38% of the bottles are plastic.
QUESTION B
The total number of bottles that are glass is
The total number of bottles Ella collected is
The percentage of bottles that is glass is
Therefore 62% of the bottles are glass
The total number of bottles Ella collected is
The number of bottles that are plastic is
The percentage of bottles that are plastic is
Therefore 38% of the bottles are plastic.
QUESTION B
The total number of bottles that are glass is
The total number of bottles Ella collected is
The percentage of bottles that is glass is
Therefore 62% of the bottles are glass
Answer:
2π/3, 4π/3
Step-by-step explanation:
I interpret your question as asking us to solve the equation
2cos(x) + 1 = 0
2cos(x) = -1
cos(x) = -½x
x = arccos(-½), 0 ≤ x ≤2π
Since the cosine is negative, x must be in the second or third quadrant.
Referring to the unit circle, we find that
x = 2π/3 (120°) or x = 4π/3 (240°)
