heavenjackson127
17.04.2020 •
Mathematics
Find the length of BC.
A.) 14
B.) 9
C.) 2
D.) 3
Solved
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Ответ:
A) 14
Step-by-step explanation:
BC is congruent to DC in saying this you can plug the equations to each other and solve for y and then put its back into the equation for BC to get the length.
3y+5=5y-1
subtract 3y from both sides --> 5=2y-1
add 1 to both sides --> 6=2y
now get y alone, divide by 2 by both side --> y=3
plug y in back to 5y-1 --> 5x3-1
15-1
BC = 14
Ответ:
POINTSS YAYYY
Step-by-step explanation: