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vagabundo [1.1K]
2 years ago
7

A repairman charges $55 for a home visit plus $45 per hour for the time he spends making repairs. How many hours did he work if

he was paid $212.50 for a home visit? Round to the nearest tenth.
Mathematics
2 answers:
levacccp [35]2 years ago
6 0

Answer:

3.5

Step-by-step explanation:

svlad2 [7]2 years ago
3 0

Answer:

3.5 hours

Step-by-step explanation:

First, we can subtract 55 from 212.50 which equals 157.5.

Then we divide 157.5/45 which is 3.5

He worked 3 hours and 30 minutes

3.5 hours

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Using trigonometric ratio, the value of x is 63.6°

<h3>Trigonometric Ratio</h3>

This is the ratios of sides of a right-angled triangle with respect to any of its acute angles are known as the trigonometric ratios of that particular angle.

Trigonometric ratio are often coined as SOHCAHTOA

In the given triangle, we need to find the value of x using trigonomtric ratio.

Since we have the value of adjacent and hypothenuse, we definitely need to use cosine

cosθ = adjacent / hypothenuse

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Substituting the values into the equation;

cos θ = 4 / 9

cos θ = 0.444

θ = cos⁻¹ 0.4444

θ = 63.6°

Learn more on trigonometric ratio here;

brainly.com/question/24349828

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