Mathematics, 04.05.2021 19:50 coolvic345
Two friends argue over who brushes their teeth more often. To settle the
argument, they keep track of the number of mornings and nights they brush
and calculate a probability. These are shown in the table.
Braxton
Arabella
0.79
0.85
Probability of brushing
in morning
Probability of brushing
in evening
0.81
0.72
Who is more likely to brush both morning and evening? Assume all events are
independent
Answers: 2
Mathematics, 21.06.2019 22:40
The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?
Answers: 1
Mathematics, 21.06.2019 23:00
The value of cos 30° is the same as which of the following?
Answers: 1
Two friends argue over who brushes their teeth more often. To settle the
argument, they keep track...
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