Mathematics
06.09.2021 09:38
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25/22 as a decimal to the nearest hundredth

25/22 as a decimal to the nearest hundredth
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tiffcarina69
tiffcarina69
5,0(98 marks)
 To get 25/22 converted to decimal, you simply divide 25 by 22. the answer to that would be  1.136363636 hope this helps 
marainafolta
marainafolta
4,7(66 marks)

Option: C is the correct answer.

C) r=2\cos (3\theta)

Step-by-step explanation:

A)

\theta=\dfrac{2\pi}{3}

is a equation of a straight line.

Hence, option(1) is discarded since we are given rose petals.

We know that a standard equation of a rose petal is given by:

                         r=a\cos (n\theta)

where n represents the number of rose petals.

B)

r^2=9\cos (2\theta)\\\\i.e.\\r=3\sqrt{\cos(2\theta)}

Hence it is not a standard form of a rose petal equation.

Hence, this option is also discarded.

D)

3\cos (\theta)=2

Since, this is a equation of a circle and not of rose petals.

hence, option: D is also discarded.

C)

r=2\cos (3\theta)

This equation is in standard form of a equation of a rose petal and also here n=3 i.e. there are 3 rose petals.

Also at θ=0°

r=2\cos (3\theta)=2 \cos(0)=2

Hence, at θ=0° we get the point is located at the second circle.

Hence, option: C is the correct answer.

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