Volume8cm what is side lengths
1 answer:
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Answer:
Average=7
Step-by-step explanation:
From the line plot
- 4 has three Xs above it
- 5 has four Xs above it
- 6 has four Xs above it
- 11 has one X above it
- 15 has one X above it
- 16 has one X above it
Therefore, the values are:
4,4,4,5,5,5,5,6,6,6,6,11,15,16
Average=7
Answer:
x = -4 and x = -14
Step-by-step explanation:
Our equation is (x + 9)² = 25
Applying the square root property we would need to take the square root of both sides:
This give us x + 9 = ±5
Here we have two equations since taking the square root gives us a positive and negative value
Our first equation is x + 9 = 5, and to isolate the variable we would need to subtract 9 from both sides, giving us x = -4
Our second equation is x + 9 = -5, and to isolate the variable we would need to subtract 9 from both sides, giving us x = -14