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DIA [1.3K]
2 years ago
13

Angles A and B are complementary. If mA is 13°, what is the measure of B? A. 167° B. 347° C. 13° D. 77°

Mathematics
1 answer:
Marta_Voda [28]2 years ago
7 0

Answer:

D

Step-by-step explanation:

complementary sums until 90 degrees

 90-13=77

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Answer:

first blank = 39

second blank = 28

Step-by-step explanation:

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since,, four terms add upto form 85 out of which two terms (11 and 7) are common. so, the first blank will be filled with 39 and second blank with 28.

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3 years ago
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inysia [295]

The difference of the expression is as follows:

(6y⁴ + 3y² - 7) - (12y⁴ - y² + 5) = - 6y⁴ + 4y² - 12

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<h3>How to find the difference of the expression?</h3>

The difference of the expression can be found when we combine the like terms.

Therefore,

(6y⁴ + 3y² - 7) - (12y⁴ - y² + 5)

6y⁴ + 3y² - 7  - 12y⁴ + y² - 5

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Step-by-step explanation:

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