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One way that double number lines are similar to finding equivalent ratios is that to find your answer on a double number line, you add equivalent ratios to your number line.
Answer:
Opposite angles formed by two intersecting lines are equal, so angle 1 is the same as angle 4. That means angle 1 = angle 5 as well.
When a line intersects two parallel lines, the corresponding angles are equal. That is, if r and s are parallel, then the angles formed when l intersects r are the same s the angles formed when l intersects s. Angle 1 = Angle 5, Angle 2 = Angle 6, and so forth. Since we know angle 1 = angle 5, we can conclude that r and s are parallel.
Answer:
41.2
Step-by-step explanation:
Answer:
Standard Deviation = 9.1
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Step-by-step explanation:
Standard deviation = square root of variance
= 
= 9.1
