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2 years ago

Please this urgent! I need your help in these questions, it would be very appreciated.

Mathematics

1 answer:

Paraphin [41]2 years ago

3 0

Answer:

3 is continous. 4 is discrete

Step-by-step explanation:

3 houses 2 terms, therefore continuing it. 4 houses 1, stopping the graph.

I might be dumb

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Question number 8. Prove that 3 + √5 is an irrational number.

Marina86 [1]

Answer :

Let's assume the opposite of the statement i.e., 3 + √5 is a rational number.

$\\ \sf \: 3 + \sqrt{5} = \frac{a}{b} \\ \\ \qquad \: \tiny \sf{(where \: \: a \: \: and \: \: b \: \: are \: \: integers \: \: and \: \: b \: \neq \: 0)} \\$

$\\ \sf \: \sqrt{5} = \frac{a}{b} - 3 = \frac{a - 3b}{b} \\$

Since, a, b and 3 are integers. So,

$\\ \sf \: \frac{p - 3b}{b} \\ \\ \qquad \tiny \sf{ \: (is \: \: a \: \: rational \: \: number \:) } \\$

Here, it contradicts that √5 is an irrational number.

because of the wrong assumption that 3 + √5 is a rational number.

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Hence, 3 + √5 is an irrational number.

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3 years ago

Please help me ASAP I'm struggling with this question.

pshichka [43]

Answer:

I can't help if there is no question.

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2 years ago

Suppose you got 3 out of every 4 questions

Andrej [43]

Answer:

16 questions

Step-by-step explanation:

12÷3/4

12×4/3

48/3=16

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3 years ago

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larisa86 [58]

Answer:

The first one

Step-by-step explanation:

the X values are all diffrent

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3 years ago

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Please look at the image and help me please

dsp73

oh shi sorry I wish I could help but I'm stupid

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3 years ago

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