Product A is a 12 ounce bottle of generic mouthwash that sells for $1.39. Product B is a 24 ounce bottle of mouthwash that cost
2 answers:
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We can rewrite the expression under the radical as
then taking the fourth root, we get
Why the absolute value? It's for the same reason that
since both and
return the same number
, and
captures both possibilities. From here, we have
The absolute values disappear on all but the term because all of
,
and
are positive, while
could potentially be negative. So we end up with
Answer:
A = 1.5 π in² ≈ 4.7 in²
Step-by-step explanation:
the area (A) of the sector is calculated as
A = area of circle × fraction of circle
= πr² ×
= π × 3² ×
= 9π ×
= 1.5π in²
≈ 4.7 in² ( to the nearest tenth )