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3 years ago

What is the period of the function y = 2sin x?. A. 2Pi. B. Pi. C. [-1,1]. D. All Real Numbers

Mathematics

2 answers:

Fittoniya [83]3 years ago

6 0

Answer: short answer it's A

Step-by-step explanation:

kenny6666 [7]3 years ago

4 0

The standard form of equation for the sin function is y = Asin(Bx-C) where A is amplitude, Period is 2π/B, and the phase shift is equal to Bx-C set to zero. C is then obtained in this equation.

For given problem: A is equal to 2, period=2π/B=2π/1=2π, where B is equal to 1. Period then is equal to A. 2pi

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James has a bicycle. Each wheel has diameter 45cm. James cycles his bicycle in a straight line in the playground. The front whee

Korvikt [17]

Answer: 21.21 meters

Step-by-step explanation:

Hi, to answer this, first we have to calculate the circumference (C) of the wheel:

C = π x diameter

Replacing with the values given:

C = π x 45 = 141.37 cm

Then we multiply it by the number of revolutions:

141.37 x 15 = 2,120.6 cm

Since

1 cm = 0.01 m

2,120.6 x 0.01 = 21.21 meters

Feel free to ask for more if needed or if you did not understand something.

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3 years ago

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andrew-mc [135]

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3 years ago

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jasenka [17]

Answer:

answer is 5.50

Step-by-step explanation:

multiply 2.75 times two because 3 by 5 is half of 9 by 15

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3 years ago

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There are 20 people in a party. 4 of them left. Then, half of them left. How many people are left in the party?

Anna11 [10]

Answer:

Step-by-step explanation:

First you subtract 20 by 4. Then you get 16. 16 divided by 2 gets you 8. 8 is the answer.

Hope this helps dude

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3 years ago

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What is the shape of a

Delvig [45]

Answer:

B) Triangle.

Step-by-step explanation:

If you find a cross section PARALLEL to the base, it is the same shape as the base.

If you find a cross section PERPENDICULAR to the base, it is the same shape as the face.

In this case, the cross section will be the same shape as the pyramid's faces, which are triangles.

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