Answer:
B)
Step-by-step explanation:
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What do you mean?!? I don’t understand
Answer:
84
Step-by-step explanation:
Total students he surveyed: 27
Amount that found it something OTHER than easy: 14 (11 moderate + 3 difficult)
This means that
found it something other than easy
Multiply that by 162 to find the proportion for the larger population:
162 * (14/27), and we get 84.
Answer:
18 inches and 57 inches
Step-by-step explanation:
The diameter and the circumference of a circle are proportionate to each other.
The circumference of a circle will always be the diameter times
. We know this because the circumference of a circle is represented as

Since the diameter is twice the radius, we multiply the radius by 2 - there's already a
in this equation, so
.
1st option:
, this is close to 57 so it's reasonable.
2nd option:
, this isn't close to 28 at all.
3rd option:
, this isn't close to 80 at all.
So the 1st option is reasonable.
Hope this helped!