1 answer:
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Answer:
x = 9
Step-by-step explanation:
Since the figures are similar then the ratios of corresponding sides are equal, that is
=
( cross- multiply )
12(x - 1) = 96 ( divide both sides by 12 )
x - 1 - 8 ( add 1 to both sides )
x = 9
<em>Train A = 214 </em>
<em> Train B = 86</em>
<em>Hope I helped!!! ^^</em>
<em>_______________</em>
<em>列車A = 214 </em>
<em> 列車B = 86 </em>
<em>私が助けてくれたらいいのに！^ ^</em>
Answer:
the standard form of the equation is: a. y=7x^2-42x+67
