bercishicicorbin
14.01.2021 •
Mathematics
Given that B is the midpoint of segment AC, find the unknown values.
7.
X=
AB=
2X-8
x + 17
А
B
с
BC =
AC =
can someone please help me with this question and show work and steps to this math geometry question?? PLEASE
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Ответ:
2x-8 = x+17
1x-8 = 17
1x = 25
x = 25
in order to find ab, you plug in the x into the expression.
ab = 2x-8
ab = 2(25)-8
ab = 42
do the same for bc:
bc = x + 17
bc = 25 + 17
bc = 42
and for ac, combine the two expressions and plug in the value for x.
ac = ab + bc
ac = 2x-8 + x+17
ac = 2(25)-8 + 25+17
ac = 84
i hope this helped! have a good day/night :)
Ответ:
0.75C is a positive temperature