Textbook Question
Find the union of the sets. {e,m,p,t,y} ∪ ∅
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Find the union of the sets. {e,m,p,t,y} ∪ ∅
Write each number in decimal notation: 7.45*10^(-5)
In Exercises 17–38, factor each trinomial, or state that the trinomial is prime. 9x2+5x−4
Write each number in scientific notation. 3,590,000
In Exercises 33–44, add or subtract terms whenever possible. 8√5+11√5
In Exercises 15–32, multiply or divide as indicated. (x3−25x)/4x2 ⋅ (2x2−2)/(x2−6x+5) ÷ (x2+5x)/(7x+7)