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Karo-lina-s [1.5K]
3 years ago
7

Circle O has a circumference of 36 cm.

Mathematics
2 answers:
Svetach [21]3 years ago
8 0

Answer: 18 cm

Step-by-step explanation:

  1. C= 2πr
  2. plug it in! 36 π = 2 π r
  3. divide both sides by π and you get 36= 2r
  4. divide both sides by 2 and you get that 18= r
  5. so r, or the radius, equals 18
viva [34]3 years ago
4 0
The answer is 18cm I hope
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Hyun Woo is riding a ferris wheel. H t H(t) models his height (in m m) above the ground, t t seconds after the ride starts. Here
worty [1.4K]

Answer:

<u></u>

  • <u>53 seconds.</u>

Explanation:

The text and the model are garbled.

This is the question amended:

<em />

<em>Hyun Woo is riding a ferris wheel. H(t) models his height (in m) above the ground, t seconds after the ride starts. Here, t is entered in radians.</em>

<em>H(t) = -10 cos(2π/150 t)+10</em>

<em />

<em>When does Hyun Woo first reach a height of 16 m?</em>

<em />

<h2>Solution</h2>

<em />

When <em>Hyun Woo reaches a height of 16 m</em> the <em>model </em>states:

  • <em>16 = -10 cos(2π/150 t)+10</em>

<em />

Then you must find the lowest positive value of t that is a solution of the equation.

Solve the equation:

  • <em>16 = -10 cos(2π/150 t)+10</em>

  • 10cos(2π/150 t) = - 6

  • cos(2π/150t) = -0.6

  • 2π/150t = arccos(-0.6)

  • 2π/150t = 2.214297

  • t = 52.86s ≈ 53 s ← answer
4 0
3 years ago
Expanded num for 373698
ivolga24 [154]
300000+70000+3000+600+90+8
4 0
3 years ago
Read 2 more answers
PLSSS HELPPP DUE SOON ILL GIVE BRAINLESS
Kitty [74]

Answer:

D

Step-by-step explanation:

A, B, and C are not linear functions

D would be y=x/2

If you graphed y=x/2, you would get the points (4, 2), (7, 3.5), (8, 4), and (10, 5)

It's more obvious if you notice that y is half of x.

3 0
2 years ago
clara wants to run a total of 5 1/2 miles each lap around the track is 0.25 miles. how many laps around the track does clara nee
NemiM [27]

Answer:

22 laps

Step-by-step explanation:

Clara wants to run 5 1/2 miles, and the track is only 0.25 miles long. This is a fairly easy question, you just need to figure out how many times 5 1/2 goes into 0.25, because she wants to run that amount of miles (I could never run that much).

I hope that answers your question so you understand, and I hope you have a great rest of your day! :)

5 0
3 years ago
Pablo rented a truck for one day. there was a base fee of $14.95 and there was an additional charge of 94 cents for each mile dr
Bad White [126]

Answer:

Pablo drove 268 miles.

Step-by-step explanation:

266.87-14.95=251.92

251 .92÷0.94=268

Could I please have Brainliest?

4 0
3 years ago
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