If 3 - 4y + 7 = 0 and ax+64 +1 =0 are perpendicular
them a is equal to
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Step-by-step explanation:
m1× m2 = -1
3/4 × -a/6 = -1
3a = 24
a = 24/3 = 8
inshallah it helps uuh...❤
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