Question #14d05
2 Answers
Explanation:
We know that
So, we know that
By a process of rearranging we get:
Hope this helps!
Dec 1, 2017
Explanation:
#"the initial statement is "ypropx#
#"to convert to an equation multiply by k the constant"#
#"of variation"#
#rArry=kx#
#"to find k use the given condition"#
#y=40" when "x=4#
#y=kxrArrk=y/x=40/4=10#
#• " equation is "y=10x#
#"when " y=75#
#rArrx=y/10=75/10=7.5#