Mathematics, 20.11.2020 03:30 vanessa7676
Which expressions represent purely real numbers and which expressions represent non-real complex numbers?
— sqrt[(-18)^2]
— 4-32i^2
— 3+2i
— 2- sqrt[-49]
— i^9
— -289
Answers: 2
Mathematics, 21.06.2019 15:40
Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?
Answers: 1
Mathematics, 21.06.2019 21:30
Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups
Answers: 3
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Given the functions, fx) = x^2-4 and g(x) = x+ 2, perform the indicated operation. when applicable, state the domain restriction. f(g(x))
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Which expressions represent purely real numbers and which expressions represent non-real complex num...
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