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3 years ago

Are all integers rational numbers?

Mathematics

2 answers:

tino4ka555 [31]3 years ago

8 0

Answer:

yes

Step-by-step explanation:

all integers can be formed from the division of two other whole numbers.

Tcecarenko [31]3 years ago

4 0

Answer:

yes all integers are rational numbers

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Historical data for a local steel manufacturing company shows that the average number of defects per standard sheet of steel is

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Answer:

Therefore the correct answer is A.) 84.88%

Step-by-step explanation:

i) λ = 2

ii) λ for three units = 2 $\times$ 3 = 6

iii) P(x ≥ 4) = 1 - P(x < 4) = 1 - {P(x = 0) + P(x = 1) + P(x = 2) + P(x = 3) }

= 1 - { $\frac{e^{-6}6^{0} }{ 0!} + \frac{e^{-6}6^{1} }{ 1!} + \frac{e^{-6}6^{2} }{ 2!} + \frac{e^{-6}6^{3} }{ 3!}$ }

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Therefore the correct answer is A.) 84.88%

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2 years ago

If f(x)= 2x-7, what is the equation for f^-1(x)

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