Mathematics, 30.01.2020 09:05 ambrosiastevens99
1. you have two boxes of colored pens. the first box contains a red pen, a blue pen, and a green pen. the second box contains a yellow pen, red pen, and a black pen. what s the set that represents all the pens
a. {red pen, blue pen, green pen}
b. {red pen}
c. {red pen, red pen, green pen, yellow pen, black pen}
d. {red pen, blue pen, green pen, yellow pen, black pen}
2. the bulk food section of a grocery store has two bins with different types of mixed nuts. the first bin contains walnuts, peanuts, and pistachios. the second bin contains pecans, almonds, brazil nuts, and walnuts. what is a set that represents all the types of nuts in the bins?
a. {walnuts, peanuts, pistachios, pecans, almonds}
b. {walnuts, peanuts, pistachios, pecans, almonds, brazil nuts}
c. {walnuts}
d. {peanuts, pistachios
for questions 3-4, let x= {x | x is a whole number less than 15}, y={x | x is a multiple of 3 less than 15}, z= {x | x is a real number greater than or equal to 5.5}.
3. what is x y?
a. {0,3,6,9,12}
b. {3,6,9,12,15}
c. {,-3,0,3,6,}
d. {,-3,0,3,6,9,12}
4. what is xuy?
a. {0,3,6,9,12
b. {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14 }
c. {0,3,6,9,12,. .}
d. {-3,0,3,6,9,12}
5. a doctor is examining three patients. which symptoms do all three patients have in common?
a. {headaches, hair loss, congestion}
b. {cold sweats, congestion, memory loss}
c. {spasms, memory loss, appetite loss}
d. {fever, joint pain, tiredness}
Answers: 2
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1. you have two boxes of colored pens. the first box contains a red pen, a blue pen, and a green pen...
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