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vlada-n [284]
3 years ago
8

Which of the following gives an example of a set that is closed under multiplication?

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
4 0
A The product of an even number and an even number 
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Find the values of x y and z
andrey2020 [161]

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Answer:

  • x = 18√2
  • y = 18√3
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Step-by-step explanation:

These "special" right triangles have side length ratios that it is useful to remember.

<u>45°-45°-90° triangle</u>

Sides have the ratios 1 : 1 : √2. That is, x is √2 times as long as the side length shown as 18.

  x = 18√2

<u>30°-60°-90° triangle</u>

Shortest to longest, sides have the ratios ...

  1 : √3 : 2

That is, y is √3 times the length of the side marked 18, and z is 2 times the length of the side marked 18.

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  z = 2·18 = 36

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3 years ago
3 out of every 5 picks are orange. If 12 picks are orange, how many picks are there in all?
alexandr1967 [171]

Answer:

the are 15 orange ones

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3 years ago
Michael split a rope that was 28 inches long into 5 equal parts. Brenden split a rope that was 30 inches long into 6 equal parts
QveST [7]

Answer:

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Step-by-step explanation:

The pieces of Michael's rope were (28 in)/5 = 5.6 in long.

The pieces of Brenden's rope were (30 in)/6 = 5.0 in long.

Michael's rope was cut into longer pieces.

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3 years ago
a water cooler fills 150 glasses in 30 minutes how many glasses of water can the cooler fill per minute?
denis23 [38]

Answer:

300

Step-by-step explanation:

60/30 is 2 and 2 times 150 is 300

7 0
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