unicornqueen30
21.11.2019 •
Mathematics
Aline that includes the points (8,9) and (9,k) has a slope of
-
4. what is the value of k?
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Ответ:
k=5
Step-by-step explanation:
y=mx+b
m=-4
y=-4x+b
*INSERT X AND Y VALUES*
9=-4(8)+b
9=-32+b
41=b
SO
y=-4x+41
k=-4(9)+41
k=-36+41
k=5
Ответ:
8%
Step-by-step explanation:
7200x8%=576
1%=72
576 divide by 72= 8%