Answer:
D
Explanation:
As you can deduce from the diagram, each unit is equivalent to 1.
To find AC, you can use Pythagoras' Theorem. Square root of (1² + 7²) is equivalent to 5 square root 2. The question asks for the exact length, so D will be more accurate compared to A.
Answer:
C. temperature of the engine when the problem occurs
Explanation:
When you are driving the engine of your car gets very hot, if there is a driving problem of your engine, there is no way of knowing what was the engine temperature at the time the problem happened, because you can not measure the temperature without get burned. For this reason, we can state that engine temperature when the problem occurred is not an important factor in diagnosing an engine driveability problem. However, factors such as the type of gasoline used, the brand of engine oil used, and the list of previous repairs are all very important and may indicate what is happening with your car.
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