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3 years ago

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Who to tell if the question is rational or irrational

1 answer:

Flauer [41]3 years ago

8 0

An irrational number can be written as a decimal, but not as a fraction. An irrational number has endless non-repeating digits to the right of the decimal point. Any number that can be written as a fraction or a ratio is a rational number. The product of any two rational numbers is therefore a rational number, because it too may be expressed as a fraction.

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What is the total number of digits required in numbering the pages in a book which has 1,724 pages?

Bond [772]

Answer: 5,789 digits

Step-by-step explanation:

9(1) +90(2)+900(3)+725(4)

=5789 digits

5 0

2 years ago

Let U = {1, 2, 3, 4, 5, 6, 7}, A= {1, 3, 4, 6}, and B= {3, 5, 6}. Find the set A’ U B’

Art [367]

Answer:

Step-by-step explanation:

A'={2,5,7}

B'={1,2,4,7}

A'UB'={1,2,4,5,7}

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3 years ago

Which of the following is a monomial?<br> ОА. 20х9 – 7х<br> Ов. 9/x<br> Ос. 11х2<br> OD. 20x – 14

777dan777 [17]

Answer:

C. 11x^2 is a monomial

Step-by-step explanation:

11x^2 is a monomial because it contains one term.

7 0

3 years ago

Read 2 more answers

Factor by grouping. 9c^3-12c^2+18c-24

xeze [42]

Answer:

$9c^3 - 12c^2 - 18c - 24= [3c^2 - 6][3c - 4]$

Step-by-step explanation:

Given

$9c^3 - 12c^2 - 18c - 24$

Required

Factor

Group into 2

$[9c^3 - 12c^2] - [18c + 24]$

Factorize each group

$3c^2[3c - 4] - 6[3c - 4]$

Factor out 3c - 4

$[3c^2 - 6][3c - 4]$

Hence:

$9c^3 - 12c^2 - 18c - 24= [3c^2 - 6][3c - 4]$

8 0

2 years ago

Solve the inequality 12x < 22 + x.

earnstyle [38]

Answer:

12x<22+x

11x<22

x<2

8 0

2 years ago

Read 2 more answers