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LenaWriter [7]
3 years ago
7

Write the number with the same value as 28 tens

Mathematics
1 answer:
pantera1 [17]3 years ago
8 0
The answer would be 280 because 28x10 is 280
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3 years ago
Besides the 90° angle measure, what are the other two angle measures of a right triangle with side lengths 5, 12, and 13? Round
TEA [102]
In the right triangle, the longest side is the hypotenuse.
Let α be the angle opposite to the side with a length of 12 units, <span>then according to the Law of sines:

</span>\frac{13}{sin90^o}= \frac{12}{sin \alpha }   \ \ \to \ \ sin \alpha = \frac{12 \cdot sin90^o}{13}=  \frac{12*1}{13}  \approx 0.923 \ \ \to \ m\angle  \alpha \approx 67^o

In a triangle, the three interior angles always add to 180° ⇒

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Answer:
67° and 23°  (to the nearest degree).
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3 years ago
What is the solution to the system of equations represented by these two lines?
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