bartfrank447
13.03.2022 •
Mathematics
R is the midpoint of PQ. PR = 6x + 7 and RQ = 3x + 8, find the length of PQ.
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Ответ:
PQ = 18
Step-by-step explanation:
If R is the midpoint of PQ, then PR = RQ
⇒ 6x + 7 = 3x + 8
⇒ 3x = 1
⇒ x = 1/3
So PR = 6x + 7 = 6(1/3) + 7 = 9
and RQ = 3x + 8 = 3(1/3) + 8 = 9
⇒ PQ = PR + RQ = 9 + 9 = 18
Ответ:
dfdfg
Step-by-step explanation:
dfdfsgdgdgf