Not completely sure how to answer your question but all 20 questions where worth 5 points each which she would have gotten a 100 if she got all right but she got 15 which her score would be 75. I think in a ratio of correct to incorrect would be 75:100 , I'm not sure completely.
Step-by-step explanation:
<h3><u>To</u><u> </u><u>Solve</u><u>:</u><u>-</u></h3>
<h3><u>SOL</u><u>UTION</u><u>:</u><u>-</u></h3>
You should must check for an extraneous solution when the variable appears both inside and outside the absolute value expression
<h3>
What is an extraneous solution?</h3>
An extraneous solution is a solution that in obtained after completely solving an equation but it does not work in the original given equation.
You should must check for an extraneous solution when the variable appears both inside and outside the absolute value expression (Option D).
Learn more about extraneous solution: brainly.com/question/14054707
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Answer:
c
Step-by-step explanation:
Answer:
1
Step-by-step explanation:
