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elena-s [515]
1 year ago
13

Let A = {2, 3, 4, 5, 6, 7} B = {2, 4, 7, 8) C = {2, 4}. Fill in the blanks by ⊂ or ⊄ to make the resulting statements true.


(a) B __ A (b)C __ A (c) B __ C (d) ∅ __ B (e) C __C

​
Mathematics
1 answer:
Eduardwww [97]1 year ago
6 0

Answer:

Answer

Step-by-step explanation:

(a) B ⊄ A (b) C ⊂ A (c) B ⊄ C (d) ∅ ⊂ B (empty set is an element of any set)

(e) C ⊂ C (reflexitivity).

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3 0
3 years ago
Find the value of each variable. Line / is a tangent
Mashcka [7]

Answer:

a° = 118° , b° = 49° , c° = 144° , d° = 98°

Step-by-step explanation:

* Lets study the figure and take the information to solve the question

- There is a circle

- There is an inscribed triangle in the circle

- Each vertex of the triangle is an inscribed angle in the circle

- Each vertex subtended by an arc

- The measure of any inscribed angle is half the measure of its

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* Now lets solve the question

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∵ The triangle has angle of measure 59° and another angle of

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∴ The measure of the third angle = 180° - (59° + 72°) = 49°

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∴ b° = 49°

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∵ The measure of the angle is half the measure of the arc

∴ 1/2 a° = 59° ⇒ multiply both sides by 2

∴ a° = 118°

- The arc of measure c° is intercept the angle of measure 72°

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∴ c° = 144°

- The arc of measure d° is intercept the angle of measure 49°

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∴ d° = 98°

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3 years ago
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2 years ago
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Luba_88 [7]
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3 years ago
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Luba_88 [7]
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