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Question 3
Alexa wants to use an...
Mathematics, 25.09.2021 09:30, thomasmurphy200
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Question 3
Alexa wants to use an indirect proof to prove that all rectangles are not squares.
She first assumes that all rectangles are squares. Alexa then provides the following counterexample to
disprove her assumption.
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She concludes that all rectangles must not be squares.
Which statement best describes Alexa's indirect proof?
O Alexa's proof is incorrect. She made an error in her counterexample.
O Alexa's proof is incorrect. She made an error in her assumption
Alexa's proof is incorrect. She followed the steps of an indirect proof in the wrong order.
O Alexa's proof is correct and contains no errors.
Answers: 3
Mathematics, 21.06.2019 13:00, lamwil9432
20 points! asap! a is known to be 6,500 feet above sea level; ab = 600 feet. the angle at a looking up at p is 20°. the angle at b looking up at p is 35°. how far above sea level is the peak p? find the height of the mountain peak to the nearest foot. height above sea level =
Answers: 1
Mathematics, 21.06.2019 19:30, sofiisabella10
If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8
Answers: 2
Mathematics, 22.06.2019 00:30, madelyngv97
Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.
Answers: 1
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