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blagie [28]
3 years ago
14

4/9 is the additive inverse of which number -4/9 -9/4 4/9 9/4

Mathematics
2 answers:
Nikolay [14]3 years ago
8 0
-4/9 because it is the opposite of 4/9.
nevsk [136]3 years ago
4 0

Answer:

-4/9

Step-by-step explanation:

Additive inverse

a + something = 0

4/9 + something = 0

subtract 4/9 from each side

4/9 -4/9 + something = 0-4/9

something = -4/9

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Answer:

<em><u>1 and 5</u></em>

Step-by-step explanation:

The squares have a side length of 10 and 1 square side is the radius of the half-circles. Since there are two half-circles, find the circumference for one full circle:

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Insert the radius:

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Simplify pi:

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C=6.28*10\\C=62.8

The circumference of the circles is 62.8. Now find the perimeter of the exposed squares with side length 10. There are 4 exposed sides, which equals one square. Find the perimeter:

P=10+10+10+10\\P=10+10+20\\P=10+30\\P=40

Add the perimeter of the circle and the square together:

P=62.8+40=102.8

Now see which of the options gives you the perimeter:

1. 40+20\pi =102.8  ****

2. unavailable

3. 120+20\pi =182.8

4. 300+100\pi =614.2

5. 10+10+10\pi +10+10+10\pi =102.8 ****

Finito.

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Read 2 more answers
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