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Natali [406]
3 years ago
8

Mrs. Santos bought a dozen roses for P50.75 each. Each rose was matched with a handkerchief worth P100.25. How much did she spen

d in all?​
Mathematics
1 answer:
Lilit [14]3 years ago
8 0
<h2>wow good luck  with that</h2>
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Find each difference. Write in simplest form 7/8-5/8=
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4 years ago
A carousel horse travels on a circular path with a radius of 15 ft. How many feet does the horse travel over an angle of 2π3 rad
aleksandr82 [10.1K]

Answer:

The horse travels 31 feet over an angle of \frac{2\pi }{3} radians

Step-by-step explanation:

  • The formula of the length of an arc is L = \frac{x}{360} × 2πr, where x is the central angle subtended by this arc and r is the radius of the circle
  • To change the angle from radian measure to degree measure multiply it by \frac{180}{\pi }

∵ A carousel horse travels on a circular path

- That means the distance that the horse travels is the length

   of an arc of the circular path

∵ The radius of the circular path is 15 feet

∴ r = 15 ft

∵ The horse travel over an angle of \frac{2\pi }{3} radians

- Let us change it to degree by multiply it by \frac{180}{\pi }

∵  \frac{2\pi }{3} × \frac{180}{\pi } = \frac{360}{3} = 120°

- use the formula above to find the distance

∵ d = \frac{x}{360} × 2πr

∵ x = 120°

∴ d = \frac{120}{360} × 2π × 15

∴ d = 10π

∴ d = 31.41592654 feet

- Round it to the nearest foot

∴ d = 31 feet

The horse travels 31 feet over an angle of \frac{2\pi }{3} radians

4 0
4 years ago
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Step-by-step explanation:

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