Mathematics, 15.07.2019 18:00 mykidzmatter2
1.which values for a and b make the statement (a + 2)(b - 9) = 0 true? a. a = 2, b = -9b. a = -2, b = 9c. a = -2, b = -9d. a = 2, y = 92.which values for x and y make the statement (x - 9)(y + 4) = 0 true? a. x = -9, y = 4b. x = 9, y = 4c. x = -9, y = -4d. x = 9, y = -43.which of the following gives an example of a set that is closed under addition? a. the sum of an even number and an even numberb. the sum of an odd number and an odd numberc. the sum of a prime number and a prime numberd. none of these are an example of the closure property.4.which of the following gives an example of a set that is closed under multiplication? choose all that apply. a. the product of a prime number and a prime numberb. the product of a whole number and a whole numberc. the product of a negative number and a negative numberd. the product of a natural number and a natural number
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1.which values for a and b make the statement (a + 2)(b - 9) = 0 true? a. a = 2, b = -9b. a = -2, b...
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