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madreJ [45]
3 years ago
8

Help!! Explanation too please!

Mathematics
1 answer:
fgiga [73]3 years ago
8 0
The answer to number 7 is A.
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The circumference of the hub cap of a tire is 83.96 centimeters. Find the area of this hub cap. Use 3.14 for . Use pencil and pa
Bess [88]

Answer:

Area = 561.2485 square centimeter

If the circumference of the hub cap would have been smaller, then its radius would have been smaller and subsequently its area would also have been less.

Step-by-step explanation:

As we know the circumference of a circle is 2\pi r

The radius of the hub cap needs to be devised to determine the area

83.96 = 2* 3.14*r

r = \frac{83.96}{2*3.14}

r = 13.37 centimeters

Area of the hub cap = \pi r^{2}

Substituting the devised value of r in the above equation, we get -

3.14 * 13.37^2\\

561.2485 square centimeter

If the circumference of the hub cap would have been smaller, then its radius would have been smaller and subsequently its area would also have been less.

5 0
3 years ago
Which expression is equivalent to is m<4
Tju [1.3M]

Answer:

(g*h)=x.

Step-by-step explanation:

the expression is equivalent

7 0
3 years ago
Please help me!!!!!!!!
valkas [14]

Answer: Choice C)40cm

Step-by-step explanation:

We know that cosp=0.6 and PM=24 so,

PM/PN=0.6

24/PN=0.6

by rearranging we get

PN=24/0.6

PN=40

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3 years ago
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What is pi to the tenth digit after the decimal? :)
ratelena [41]

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3.1415926535

Step-by-step explanation:

Because that is how the circle works.

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3 years ago
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I think the answer is b
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