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Mathematics 7 Online
OpenStudy (anonymous):

If the midpoint between (x, 7) and (10, 11) is (15, 9), what is the value of x?

OpenStudy (anonymous):

x=20

OpenStudy (anonymous):

use the midpoint formula

OpenStudy (anonymous):

thank you :) what is the formula?

OpenStudy (anonymous):

|dw:1337818534722:dw|

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