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Aneli [31]
2 years ago
13

Find A cup(B cap C) . A = \{1, 4, 6, 7\}; B = \{3, 4, 5\}; C = \{2, 4, 8\}; \{1, 4, 6, 7\} 4 } \{1, 2, 3, 4, 5, 6, 7, 8\}

Mathematics
2 answers:
Anna007 [38]2 years ago
6 0

Answer:

{1, 4, 6, 7}

Step-by-step explanation:

Inessa05 [86]2 years ago
5 0

The only common element between B and C is 4, so B ∩ C = {4}.

4 is also already contained in A, so B ∩ C is a subset of A, and thus

A U (B ∩ C) = A = {1, 4, 6, 7}

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What is the volume of a pyramid that has a base with an area of 81 square feet and a height of 4 feet?
Zina [86]

Answer:

108ft³

Step-by-step explanation:

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4 0
3 years ago
Can somebody help me with these problems please
mario62 [17]

Answer:

11. A. \frac{12}{13}

12. D. \frac{35}{12}

Step-by-step explanation:

11: Sin is just the side opposite of the angle divided by the hypotenuse of the triangle

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Hypotenuse of the triangle = 39

36/39 = \frac{12}{13}

12. Tan is the side opposite of the angle divided by the side adjacent to the angle

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Hope this helps!

3 0
2 years ago
Evaluate the expression below.<br> (8 - 7)- 4 + 3(-1)<br> 1<br> -7<br> -1<br> 7
Masja [62]

Answer:

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3 years ago
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babunello [35]

Answer:

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Read 2 more answers
F(x) = x + 2<br> g(x) = x - 4<br> (f9)(x) =
san4es73 [151]

Answer:

(fºg)(x) =  x -2

Step-by-step explanation:

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