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Irina-Kira [14]
2 years ago
8

8. Select all the numbers that irrational

Mathematics
2 answers:
Snowcat [4.5K]2 years ago
4 0

Answer:

Answers are square root of 2, square root of 7,

Step-by-step explanation:

Irational is a number that is never ending.

Square root of 2 is irrational since there is no pattern to the number after the decimal.

10/ sqrt of 100. Sqrt of 100 is 10. 10/10 = 1 so this is  not a irrational.

Sqrt of 7 does not have a pattern after the decimal point so it is irrational.

 

5.87 with a dash on top is rational since it means it has a pattern of continues 87's.

Last one it is equal to 2 so it is rattional.

liubo4ka [24]2 years ago
4 0

Answer:

The square root of 2 is irrational, also 5.87 repeating,  the square root of 7 and the other two options aren't irrational.

Step-by-step explanation:

Irrational numbers definition: a number that can be expressed as an infinite decimal with no set of consecutive digits repeating itself indefinitely and that cannot be expressed as the quotient of two integers

Hope I helped, have a nice day :)

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p (rep & favour) = 0.4 * 0.3 = 0.12

 

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Therefore the total portions who are favour is:

p (favour) = 0.12 + 0.42 = 0.54

 

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P (dem & favour) = 0.42 / 0.54 = 0.7778 = 0.78

 

Therefore there is about 78% probability that the person selected who is favour to the issue is a democrat.

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Read 2 more answers
(A) find F(x) for the indicated values of x, if possible
dem82 [27]

Answer:

A) The indicated values of F(x) for x=-3 and x=5 are F(-3)=-27  and F(5)=125

B) The domain of f is the set of all real numbers

Step-by-step explanation:

Given that the function F is defined by

F(x)=x^3 for x=-3,5

A) To find F(x) for the indicated values of x :

Given F(x)=x^3 for x=-3,5

  • Put x=-3 in the given function

F(-3)=(-3)^3

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Therefore F(-3)=-27

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F(5)=(5)^3

=(5)\times (5)\times (5)

=125

Therefore F(5)=125

The indicated values of F(x) for x=-3 and x=5 are F(-3)=-27  and F(5)=125

B) To find the domain of f :

The domain of the f in the given expression is the set of all real numbers except where the expression x^3 is undefined. In this case, there is no real number that makes the expression undefined.

The domain of f is the set of all real numbers

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Step-by-step explanation:

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