Mathematics, 03.02.2020 20:59, karlaaag
200 elementary school students were surveyed to find their blood groups. of those, 55 were of blood group a, 85 of blood group b, and 21 of blood group o.
what is the probability that a randomly chosen student has either blood group a or blood group b?
b) 0.60
c) 0.70
d) 0.81
Answers: 1
Mathematics, 21.06.2019 14:10, jessicapbailey52
Which linear equations have an infinite number of solutions? check all that apply. (x – 3/7) = 2/7(3/2x – 9/14)8(x + 2) = 5x – 1412.3x – 18 = 3(–6 + 4.1x)(6x + 10) = 7(x – 2)4.2x – 3.5 = 2.1 (5x + 8)
Answers: 3
Mathematics, 21.06.2019 21:30, gigi6653
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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