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iren [92.7K]
3 years ago
7

P is the midpoint of DE, DP=3x+2, and DE=10x−12. What is the length of DP?

Mathematics
2 answers:
egoroff_w [7]3 years ago
7 0

Answer:

14 units

Step-by-step explanation:

done the topic

g100num [7]3 years ago
3 0
Notice the picture
we know DE, or the whole segment is 10x-12
and P is the midpoint
so.. the point P is cutting DE in two equal halves,
namely, DP and PE
so... whatever 10x-12 is, DP is half of that
thus
\bf DP=\cfrac{DE}{2}\implies 3x+2=\cfrac{10x-12}{2}

solve for "x",

how long is DP? well, once you get "x", plug it in 3x+2,
that's how long DP is :)

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