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slava [35]
3 years ago
8

Find the perimeter RST. Round answer to the nearest tenth Show all the work

Mathematics
1 answer:
kow [346]3 years ago
6 0

Answer:

35.1 units

Step-by-step explanation:

Imagine a right-angled triangle with RS as hypotenuse. The base would be 3 units and the height would be 6 units. By Pythagorus:

RS²=3²+6²

RS=\sqrt{45}≈6.7 units

Imagine a right-angled triangle with RT as hypotenuse. The base would be 9 units and the height would be 12 units. By Pythagorus:

RT²=9²+12²

RT=\sqrt{225} = 15 units

Imagine a right-angled triangle with TS as hypotenuse. The base would be 12 units and the height would be 6 units. By Pythagorus:

TS²=12²+6²

TS=\sqrt{180}≈13.4 units

Perimeter=RS+RT+TS

=6.7+15+13.4

=35.1 units

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seropon [69]

Answer:

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Step-by-step explanation:

19*5 = 95

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Hope this helps. Have a nice day.

8 0
3 years ago
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The area of a rectangle with width × and length 7× is 7². what does the coefficient 7 mean in terms of the problem?
tatuchka [14]

The coefficient 7 means that the length is 7 times the width

<h3>How to interpret the coefficient?</h3>

The given parameters are:

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3 years ago
I need the answer please
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The systems of linear equations have been matched with their respective solutions as shown in the image attached below.

<h3>What is a system of linear equations?</h3>

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