3 years ago

Is the square root of 7 an irrational number

Mathematics

1 answer:

Delvig [45]3 years ago

8 0

Yes the square root of an irrational number is 7

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If each point in the diagram can act as an endpoint, how many distinct line segments can be formed using the set of points

sdas [7]

Answer:

Option D 6 is the answer.

Step-by-step explanation:

the given points are A, D, C and B. If each point in the diagram can act as end points, we have to calculate number of distinct line segments formed.

This ca be calculated in two ways.

(1) We will form the line segments

AB, AC, AD, BC, BD, DC

Therefore 6 segments can be formed.

(2) By combination method

Number of segments = $^{4}C_{2}$

= $\frac{4!}{2!2!}=\frac{4\times 3\times 2\times 1}{(2\times 1)\times (2\times 1)}$

= $\frac{4\times 3}{2\times 3}=\frac{12}{2}$

= 6

Option D 6 is the answer.

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expeople1 [14]

Answer:

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Step-by-step explanation:

$Y=mx+b$

$M=\frac{x2-x1}{y2-y1}$

$M=\frac{0-(-4)}{-10-3}$

$M=\frac{-4}{-7}$

$Y=(\frac{4}{7}) x+2$

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3. Your friend has eight sweatshirts. Three sweatshirts are green, one is white, and

Sveta_85 [38]

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3/14

Step-by-step explanation:

P (B then B) = 4/8 x 3/7 or 1/2 x 3/7

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Step-by-step explanation:

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Step-by-step explanation:

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