Which of the following are not polynomials?

Mathematics

1 answer:

chubhunter [2.5K]3 years ago

7 0

Aaaaaaaaaaaaaaaa and bbbbbbbbbbbbbbb

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Calculate the average velocity of a dancer who moves 5 m toward the left of the stage over the course of 15 s. ** Velocity = dis

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Answer:

V = Displacement / Time

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V = 1/3 m/s

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The probability that a twelve-year-old has a brother or sister is 25%. supposed you survey 300 twelve-year-olds. about how many

vazorg [7]

Answer:

n(B U S) = 75

Step-by-step explanation:

P(E) =

Let 'B' be the event of having twelve year old brother

Let 'S' be the event of having twelve year old sister

given data P(BUS) = 0.25

given total survey n(survey) = 300

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we will use probability definition we get, P( BUS) =

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after cross multiplication , we get

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In this diagram, BAC~ EDF. if the area of BAC = 6 in, what is the area of EDF.

gulaghasi [49]

Answer:

2.7 square inch

Step-by-step explanation:

$\triangle BAC \sim \triangle EDF... (Given) \\$

$\therefore$ By area of similar triangle theorem:

$\frac{A(\triangle BAC)}{A(\triangle EDF)} = \frac{BC^2}{EF^2} \\\\\therefore \frac{6}{A(\triangle EDF)} = \frac{3^2}{2^2} \\\\\therefore \frac{6}{A(\triangle EDF)} = \frac{9}{4} \\\\\therefore A(\triangle EDF) = \frac{4\times 6}{9} \\\\\therefore A(\triangle EDF) = \frac{24}{9} \\\\\therefore A(\triangle EDF) = 2.6667\\\\\huge \purple {\boxed {\therefore A(\triangle EDF) = 2.7\: in^2}}$