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Vaselesa [24]
3 years ago
8

The owner of a store sells coats. She buys them for $50 each. sells the coats for ​$70.00 each. What percent of the purchase pri

ce is the sale​ price?
Mathematics
1 answer:
LuckyWell [14K]3 years ago
8 0

Answer:

Step-by-step explanation:

The % = (purchase price/ sale price) ×100

= (50/70) ×100

=50×100/70

=71.43% ( approximated to 2 decimal places)

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Given:

Area of a sector = 64 m²

The central angle is \theta=\dfrac{\pi}{6}.

To find:

The radius or the value of r.

Solution:

Area of a sector is:

A=\dfrac{1}{2}r^2\theta

Where, r is the radius of the circle and \theta is the central angle of the sector in radian.

Putting A=64,\theta=\dfrac{\pi}{6}, we get

64=\dfrac{1}{2}r^2\times \dfrac{\pi}{6}

64=\dfrac{\pi}{12}r^2

64\times \dfrac{12}{\pi}=r^2

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Taking square root on both sides, we get

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