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Mathematics

2 answers:

REY [17]2 years ago

5 0

Answer:

Step-by-step explanation:

MArishka [77]2 years ago

3 0

Answer:

7 fiction and 23 non- fiction

Step-by-step explanation:

The number of non-fiction read was 5 less than 4 times the number of fiction books.

Assume fiction books are x.

An equation representing this would be:

x + (4x - 5) = 30

5x - 5 = 30

5x = 30 + 5

x = 35 / 5

x = 7 fiction books

Non-fiction books:

= 4x - 5

= 4 * 7 - 5

= 23 non - fiction books

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Find the GCF 1. 12,21,30 2. 11,44

Dafna1 [17]

The GCF of 12, 21, and 30 is 3.
The factors of 12 are: 1, 2, 3, 4, 6, 12
The factors of 21 are: 1, 3, 7, 21
The factors of 30 are: 1, 2, 3, 5, 6, 10, 15, 30
Then the greatest common factor is 3.

The GCF of 11, and 44 is 11.
The factors of 11 are: 1, 11
The factors of 44 are: 1, 2, 4, 11, 44
Then the greatest common factor is 11.

Hope this helps.

8 0

3 years ago

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The sides of an equilateral triangle are all 8 units long. What is the length of the triangle’s altitude?

True [87]

Answer:

B or 4 $\sqrt[]{3}$