The value of y varies directly with x. when y = 7.5, x = 5. what is the value of y when x = 80?.
1 answer:
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Answer:
y=
Step-by-step explanation:
x/y=n-9
x= y(n-9)
x= yn-9n
-yn= -x-9n
yn= x+9n
y=
Answer:
Exact form: 8
Decimal form: 13.45434264......
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