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Kaylis [27]
3 years ago
8

Question: What is the complementary angel of 31 degrees? A.97 B.67 C.57 D.87

Mathematics
1 answer:
Alona [7]3 years ago
6 0
The complement of 31° is the angle that when added to 31° forms a right angle (90° ).
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Answer:

34.75x

Step-by-step explanation:

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there are 30 students in mr. Holland music class. If 30% of the students play in the school band, how many students in the class
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Find the value of x picture attached
aev [14]

Answer:

<em>x = 10</em>

Step-by-step explanation:

These angles are <em>same side interior angles</em>.

This means that (11x + 10) + (10x - 40) = 180

Solve for x:

11x + 10 + 10x - 40 = 180

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21x = 210

/21      /21

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4. If you have earned income, which of the following retirement devices must you contribute to, by law?
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If a=3, b=-5 fond the value of (2a+3b) (4a sq- 6ab+9b square)​
snow_lady [41]

Step-by-step explanation:

(2a+3b)(4a²-6ab+9b²

(2a+3b){(2a)²-2a×3b+(3b)²}

Because (a³+b³)=(a+b)(a²-ab+b²)

Therefore,

(2a+3b){(2a)²-2a×3b+(3b)²}

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By substituting the values , we get

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3 years ago
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