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Reika [66]
3 years ago
13

Hellppp pleaseeee

Mathematics
1 answer:
stiks02 [169]3 years ago
5 0

Answer:

Volume of cylinder is 953.77 cm³ and volume in term of π is  303.75π

Step-by-step explanation:

Given: Diameter is 9 cm

           Height is 15 cm.

First lets find out the radius of cylinder.

As given, diameter is 9 cm

we know, radius= \frac{diameter}{2}

Radius= \frac{9}{2} = 4.5\ cm

Now, finding the volume of the cylinder.

Formula; Volume of cylinder= \pi r^{2} h

where r is radius and h is height of cylinder.

⇒ Volume of cylinder= \pi \times 4.5^{2} \times 15

⇒Volume of cylinder= \pi \times 20.25\times 15

⇒Volume of cylinder= 303.75\pi

Taking π = 3.14

⇒ Volume of cylinder= 303.75\times 3.14

⇒ Volume of cylinder= 953.77 cm³

Hence, volume of cylinder is 953.77 cm³ and volume in term of π is  303.75π.

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Answer:

Null hypothesis =  H_0:p=0.395

Alternate hypothesis =H_a:p>0.395

Step-by-step explanation:

Given : In a recent​ semester, the proportion who earned a​ bachelor's degree within six years was 0.395.

The president of a certain college believes that the proportion of students who enroll in her institution have a higher completion rate.

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In a recent​ semester, the proportion who earned a​ bachelor's degree within six years was<u> 0.395. </u>

Claim : the proportion of students who enroll in her institution <u>have a higher completion rate.</u>

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Alternate hypothesis =H_a:p>0.395

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