X-4 is thr right one i’m my onion
An equivalent statement is CD overbar congruent to EF overbar.
What is a line segment?
The line segment has two fixed-length endpoints, A and B. The distance between this line segment's endpoints A and B is its length.
Here,
Line segment CD is congruent to line segment EF and in geometry, an overbar represents a line segment.
So, we can say that the CD overbar means line segment CD and the EF overbar means line segment EF.
Hence, An equivalent statement is CD overbar congruent to EF overbar.
To learn more about the line segment from the given link
brainly.com/question/17374569
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Explanation: Just addition and subtraction which is easy, I'd remove the brackets first so it won't be too confusing.
Here, just remember that:
- Plus/Positive multiply Minus/Negative = Minus/Negative
- Plus/Positive multiply Plus/Positive = Positive/Plus
- Minus/Negative multiply Minus/Negative = Positive/Plus
Notice the +(-d+3), (+)(-) = - so it's -d+3
Now just addition and subtraction, for better looking and non-confusing.
9c+2c = 11c
-8d-d = -9d
-6+3 = -3
Therefore, the answer is
If you are confused, you can reply to this explanation (If it's wrong, let me know.)
Answer:
29
Step-by-step explanation:
Let a12 be the mean of the first 12 numbers:
a12=(sumOf12Numbers)/12.
So, sumOf12Numbers=12×a12
We add a new number, x:
a13=(sumOf12Numbers+x)/13
13×a13=12×a12+x
x=13×a13-12×a12=13×5-12×3=65-36=29
The thirteenth number is 29
Formula :
Plug in the values :
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Answer:550----------------------------------