3 years ago

A television costs $450. During a special sale, it’s marked 1\3 off. What’s the sales price of the tv?

Mathematics

1 answer:

Darina [25.2K]3 years ago

4 0

Answer:

150

Step-by-step explanation:

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An engineer is planning a new water pipe installation. The circular pipe has a diameter of d=20\text{ cm}d=20 cmd, equals, 20, s

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Answer: The answer is 314.28 cm² (approx.).

Step-by-step explanation: Given that an engineer is going to install a new water pipe. The diameter of this circular pipe is, d = 20 cm.

We need to find the area 'A' of the circular cross-section of the pipe.

Given, diameter of the circular section is

$\textup{d}=20~\textup{cm}.$

So, the radius of the circular cross-section will be

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