Answer:
7, -7
Step-by-step explanation:
x^2-6.5= 42.5 add 6.5 to both sides
x^2= 49
The square root of 49 is 7 and -7.
Answer:
The volume of a sphere varies with the cube of the radius. Since the Earth is 3.67 times the moon's radius (6371/1736), it has 49.4 times the volume.
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Answer:
$26
Step-by-step explanation:
78 divided by 3
