Answer:
C. 48.
Step-by-step explanation:
If the mean is 12, then 12 must be 2x, 3x, 4x, and 3x divided by 4.
-->
-->
-->
--> x=4
Add: 2x+3x+4x+3x=8+12+16+12=48
4. Joey had 26 papers on his desk. His teacher gave him some more and now he has 100. How
2 answers:
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Answer: Exterior
Step-by-step explanation:
Substitute the point (-2,4) into the equation of the circle .
Knowing that:
Then:
Therefore, as then the point is not on the circle.
If a point is in the interior of the circle , then:
Then the point (-2,4) is not in the interior of the circle.
If a point is in the exterior of the circle, then:
Then the point (-2,4) is in the exterior of the circle.