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Natali [406]
3 years ago
9

Determine the measure of ZA. 45.6° 57.7° 55.2° 32.3°

Mathematics
1 answer:
NemiM [27]3 years ago
3 0

Step-by-step explanation:

Cos A = 40^2 + 25^2- 34^2 ÷ (2×40×25)

= 200+625-1156 ÷ (2000)

= 1069 ÷2000

Cos A = 0.5345

A= cos inverse 0.5345

A = 57.7

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Answer:

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Step-by-step explanation:

the angles form a straight line, and a straight line equals to 180°

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3 years ago
b) y= 5/x What happens to the value of y if the value of x triples? Select your answer. A. x2 B. x3 C. /2 D. /3
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Answer:

D.)

Step-by-step explanation:

y = 5/x

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3 years ago
A surveyor stands 75 feet from a building. He measures the angle of elevation to the top of the building at 67.5°. How tall is t
Serggg [28]

Answer:

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Step-by-step explanation:

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Answer:

(4, 6 )

Step-by-step explanation:

Given the 2 equations

3x + 4y = 36 → (1)

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Substitute y = - \frac{1}{2} x + 8 into (2)

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solution is (4, 6 )

3 0
3 years ago
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