Which of the statements is true?
a) the sum of two irrational numbers is always irrational. <...
Mathematics, 05.02.2020 06:49 xojade
Which of the statements is true?
a) the sum of two irrational numbers is always irrational.
b) the product if two irrational numbers is sometimes rational.
c) the profuct of a rational number and an irrational number is sometimes rational.
d) the sum of two rational numbers is sometimes irrational
Answers: 2
Mathematics, 21.06.2019 18:40
Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.
Answers: 3
Mathematics, 21.06.2019 19:40
Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).
Answers: 3
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