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DIA [1.3K]
3 years ago
9

A triangle has angles measuring 15° and 45°. What is the measure of the third angle?

Mathematics
1 answer:
mihalych1998 [28]3 years ago
4 0
The answer would be C: 120° since all the angles in a triangle sum up to 180°... If we add 15° and 45° together, we get 60° and 180° - 60° = 120°
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Answer:

The answer is -1.255 for residual value.

Step-by-step explanation:

We are tasked to solve for the residual value given that when x equals 29, y will be equals to 27.255. But, when it is tested, y actual value is 26. The formula in solving residual is shown below:

Residual value = Observed value - predicted value

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