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seraphim [82]
3 years ago
11

What numbers are irrational. Square root of 45, square root of 64, square root of 21 , and square root of 21

Mathematics
2 answers:
tekilochka [14]3 years ago
6 0
The square of 45 and square root of 21 are irrational. The square root of 64 is rational
liberstina [14]3 years ago
5 0

Answer: is A, C, D

A. √45= 6.7082039324993690892275210061938

B. √64= 8

C. √21= 4.582575694955840006588047193728

D. √21= 4.582575694955840006588047193728

Step-by-step explanation:

An Irrational Number is a real number that cannot be written as a simple fraction.

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A fish tank has 16 gallons, the length is 7 feet and the width is 2 feet.Find the hypotenuse length using the Pythagorean theore
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Step-by-step explanation:

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Among the cast aluminum parts manufactured on a certain day, 90% were flawless, 8% had only a minor flaw, and 2% had major flaws
Andreyy89

Answer:

10% probability that the part has at least one flaw

Step-by-step explanation:

We have these following probabilities:

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2% probability of the part having major flaws.

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Minor or major flaws. So 8% + 2% = 10%

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