<span>If y varies directly with x, the formula of the equation is y=ax, where a is a constant.
y=ax
(21)=a(7)
a=3
y=ax
y=(3)(-1.66)
y=-4.98, x=-1.66
If y varies inversely with x, the formula of the equation is y=a/x, where a is a constant
y=a/x
9=a/2.5
a=22.5
y=22.5/x
y=22.5/-0.6
y=-37.5
I hope this helped! =)
I hope you didn't mind but I got this from a website called: answers.yahoo.com but I got your answer.
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Answer:
theres nothing there though
Step-by-step explanation:
-6x+10 would be ur answer :)
Answer:
d
Step-by-step explanation:
the graphical representation of 5% of light and 80% of light is the same so light has no effect on seed growth
Answer:
4 cents
Step-by-step explanation:
4.48 divided by 112 = 0.04
