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marialuis9115
11.01.2020 •
Mathematics
Find length of mn such that ln = 5.7 and lm = 1.3 mn= x + 2.1
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Ответ:
Step-by-step explanation:
This geometric problem is about a single straight segment with three points on it L, M and N, L is the beginning, M is in between and N is the end.
So, basically, the segment can be expressed like this: LN = LM + MN.
Then, in order to find MN, we just need to replace the values of each segment, that is, LN = 5.7; LM = 1.3 and MN = x + 2.1
Solving the equation:
LN = LM + MN
5.7 = 1.3 + x + 2.1
5.7 = x + 2.4
5.7 - 2.4 = x
x = 3.3
Now we know the variable, we can find MN:
MN = x + 2.1
MN = 3.3 + 2.1
MN = 5.4
Therefore, the length of MN is 5.4.
Ответ:
A. segment YZ is located at Y (0, 9) and Z (−18, 9) and is three times the size of segment Y prime Z prime
Step-by-step explanation:
If the segments are dilated by 3 times its size you multiply each number by 3. (0,3) 0 times 0 is 0 then 3 times 3 is 9 which makes (0,9). (-6,3) -6 times 3 is -18 and 3 times 3 is 9 which makes (-18,9)