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Karo-lina-s [1.5K]
3 years ago
5

1.What is a tautology?

Mathematics
2 answers:
Valentin [98]3 years ago
8 0
The saying of the same thing twice in different words, generally considered to be a fault of style (e.g., they arrived one after the other in succession ).
earnstyle [38]3 years ago
5 0

Answer:

the saying of the same thing twice in different words, generally considered to be a fault of style (e.g., they arrived one after the other in succession ).

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Population mean = 80
alexira [117]

Answer:

The answer is : 0.0597

Step-by-step explanation:

Population mean = μ = 80

Standard deviation = σ = 20

Sample = N = 60

σ_mean = σ/√N

= (20)/√(60) = 2.582

Now we will find z1 and z2.

z1 = {(84) - μ}/σ_mean = {(84)-(80)}/(2.582)= 1.549

z2 = {(88) - μ}/σ_mean = {(88)-(80)}/(2.582)= 3.098

Now probability that the sample mean will be between 84 and 88 is given by:

Prob{ (1.549) ≤ Z≤ (3.098) } = (0.9990) -(0.9393) = 0.0597

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3 years ago
Please answer it in two minutes
Yakvenalex [24]

Answer:

21/20, or 1.05.

Step-by-step explanation:

In this case, the measure of angle R is the same as angle V.

To find the tangent of a triangle, you do opposite over adjacent.

So, the tangent of angle V is 21 / 20.

That means that tan(R) = 1.05.

Hope this helps!

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IrinaK [193]

Answer:

The value of m is 70°. m is inscribed angle and inscribed angle is exactly half of central angle. where central angle is 140°.

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In Euclidean geometric terms, which of the below would be the best description of any ANGLE?
Ede4ka [16]

The answer would be option C.

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Read 2 more answers
Which are the roots of the quadratic function f(q) = 92 – 125?
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