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PtichkaEL [24]
3 years ago
10

Arnold bought 2 3/4 yards of string. He needs to cut it into pieces 1/4 yard lang. How many nieces can he get?

Mathematics
1 answer:
dsp733 years ago
8 0

Answer:

Step-by-step explanation:

convert the mixed number into an improper fraction

2¾ = 11/4

(2¾)÷(¼) = (11/4)÷(¼) = (11/4) × (4/1) = 11

11 pieces

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A circle with radius of 3 cm sits inside a circle with radius of 11 cm. What is the area of the shaded region? Round your final
Liono4ka [1.6K]

You answer is 4.7

Explanation

I assume that the shaded region is the area inside of rectangle and outside the circle  

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The shaded region is equal to the area of rectangle minus the area of circle

step 1

Find the area of rectangle

The area of rectangle is equal to multiply the length by the width

A= (3)-(11)=33 cm^2

tep 2

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The area of the circle is

A=\pi r^{2}

we have

r=3\ cm

\pi =3.14

substitute

A=(3.14)(3^{2})

A=28.26\ cm^{2}

step 3

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33-28.26=4.74\ cm^{2}

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maksim [4K]

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Step-by-step explanation:

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Help pls!!!how to solve it​
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Answer:

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Step-by-step explanation:

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Then, we combine like terms.

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