Two lines that intersect at 90 degrees are considered perpendicular to each other.
0.10
1/10
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<span>~ Zoe</span>
Answer:
The average of all textbooks is $38.60.
Step-by-step explanation:
Here's why to calculate average we do sum of all numbers divided by the number of numbers, for example if we average 2 and 3, we do 2+3 divided by 2. Which happens to be 2.5. Now for this problem we divide the sum by 3.
Therefore getting our answer of $38.60.
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Answer:
0.078 liters
Step-by-step explanation:
78ml=78/1000L
78ml=0.078ml
