7x-x=19-7
6x=12
x=2
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Answer:
c2=a2+b2 1. 172=square +b2 289=225+b2 2.
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Answer:
5/9
Step-by-step explanation:
2/3 - 1/9 = 5/9
Answer:
4/5x + 7
Step-by-step explanation:
the slope-intercept form is y = ax+b
a is the slope, to figure it out the line is perpendicular to y = -5/4x+11/4
There is a rule said if two lines are perpendiculars, the multiplication of their slopes = -1, so -5/4 * a = 1, solve for a = 4/5
b is the intercept to get it use the point (0,7)
so y = 4/5x+b, 7 = 4/5 * 0 + b, then b = 7
