lexybellx3
01.10.2019 •
Mathematics
Yvaries directly with x, and y = 15 when x = 3. what is the value of x when y = 4?
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Ответ:
cross multiply
15x = (4)(3)
15x = 12
x = 12/15
x = 4/5 <==
Ответ:
Problem 1: 5x-3y=-7 has One Solution
Problem 2: 10x-6y=-14 has One Solution