A store pays $130 for a tablet. The store sells the tablet for $325. Your classmate says that the markup is 250% because $325$13
0=2.5
$
325
$
130
=
2.5
. Is your classmate correct?
Yes or no
$
325
$
130
=
2.5
. Is your classmate correct?
Yes or no
1 answer:
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Answer:
20.25π
Step-by-step explanation:
The circumference (C) of a circle is calculated using the formula
C = 2πr ← r is the radius
given C = 9π, then
2πr = 9π ( divide both sides by 2π )
r = ( cancel the π on numerator/denominator )
= 4.5
The area (A) of a circle is calculated using the formula
A = πr² = π × 4.5² = 20.25π