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3 years ago

12

The diameter of the larger circle is 10.5 cm. The diameter of the smaller circle is 4.5 cm. What is the approximate area of the

shaded region?

2 answers:

kupik [55]3 years ago

4 0

Area larger circle: 3.14 x 5.25^2 = 86.55

area of smaller circle: 3.14 x 2.25^2 = 15.90

86.55 - 15.90 = 70.65 ( round answer as needed)

WARRIOR [948]3 years ago

3 0

70.65, you should try photo math!!

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On average, the scores of Class B are lower than Class A.

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Step-by-step explanation:

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Step-by-step explanation:

Please select the best answer from the choices provided

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PLEASE HELP WILL GIVE BRAINLIEST.

kari74 [83]

Answer:

Choice D

Step-by-step explanation:

For this one I would find if the point lands on the line.

<em><u>Choice A:</u></em>

What we have to do is to plug in -4 for x and 4 for y.

$y=2x+10\\(4)=2(-4)+10\\4=-8+10\\4\ne2$

The point is not on this line so this cannot be it.

<em><u>Choice B:</u></em>

We pug what we know again.

$y=\frac{1}{3}x+1\\(4)=\frac{1}{3}(-4)+1\\(4)=-\frac{4}{3}+1\\4\ne-\frac{1}{3}$

The point is not on this line so it can't be it.

<em><u>Choice C:</u></em>

We pug in what we know again.

$y=3x-9\\(4)=3(-4)-9\\(4)=-12-9\\4\ne-21$

The point is not on this line so it can't be it.

The next one has to be it, but we'll check it just in case.

<em><u>Choice D:</u></em>

We plug in what we know again.

$y= \frac{1}{2}x+6\\(4)=\frac{1}{2}(-4)+6\\(4)=-2+6\\4=4$

The point is on this line so this is the line.

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3 years ago