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3 years ago

Find the area of the shaded region. Use 3.14 for π.

Mathematics

1 answer:

Lina20 [59]3 years ago

6 0

I hope this helps you

small circle area=3,14.19^2=1133,5

large circle area =3,14.24^2=1808,6

shaded area=1808,6-1133,5

shaded area=675,1

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A 180 degree rotation around the origin

ivanzaharov [21]

Answer:

Rotation of a point through 180°, about the origin when a point M (h, k) is rotated about the origin O through 180° in anticlockwise or clockwise direction, it takes the new position M' (-h, -k)

Step-by-step explanation:

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3 years ago

(x-2y=-5) (2x + 4y =14) what is the value of y

dusya [7]

Sub x=-5+2y
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3 years ago

In a cave, a stalactite gets 44 millimeters longer each year. this year it is 72 centimeters long. how many years until it is 1

iragen [17]

Answer:

6.36 years (the .36 repeats), so rounded is 6.4.

Step-by-step explanation:

First, I'm going to convert all measurements to meters.

Since 1000 mm = 1 m, divide 44 by 1000.

44/1000 = 0.044 m

Since 100 cm = 1 m, divide 72 by 100.

72/100 = 0.72 m

Next, I'm going to setup an equation using y = mx + b.

b is the beginning amount which is 0.72.

m in the equation represents the rate which is 0.044.

y represents the total which is 1.

Plugin the numbers and solve for x.

1 = 0.044x + 0.72

1 - 0.72 = 0.044x + 0.72 - 0.72

0.28 = 0.044x

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2 years ago

Haru is putting lace around the edge of a rectangular pillow case that has a

sleet_krkn [62]

Answer:

56.5 inches

Step-by-step explanation:

You want to find the perimeter (or the length around the rectangle) to find much lace he needs. the formula for perimeter is 2L+2W=P. L being length, w being width and p being perimeter. Plug in the values for the equation and get 2(12.75)+2(15.5)=P. Multiply and get 25.5+31=56.5.

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2 years ago

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Aleks [24]

Answer:

The answer is D (I'm 99.9999% positive it's the correct answer)

Step-by-step explanation:

It's kinda hard to tell with the pictures but look at the screenshot I attached bc that's how it should look :)

hope this helps :)

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3 years ago

Read 2 more answers