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Masteriza [31]
3 years ago
6

Please I really need help I will mark you as brainliest!

Mathematics
1 answer:
inna [77]3 years ago
4 0

Answer:

∠ XYZ ≈ 72.9°

Step-by-step explanation:

Using the tangent ratio in the right triangle

tanXYZ = \frac{opposite}{adjacent} = \frac{XZ}{XY} = \frac{13}{4} , thus

XYZ = tan^{-1} (\frac{13}{4} ) ≈ 72.9°  to 1 dec. place )

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To evaluate this expression, we need to remember that subtracting a negative number is the same as adding a positive number, and that adding a negative number is the same as subtracting a positive number. Using this knowledge, let's begin to simplify the expression below:

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Because addition of a negative number is the same as subtraction of a positive number, we can change + (-5) to -5, as shown below:

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Next, because we know that subtracting a negative number is the same as adding a positive number, we can change - (-9) to + 9, as shown below:

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