Miesha has 3 red pens and 2 black pens in her pencil case. If she selects two pens without looking what is the probability that: The first one will be black

The first will be black and the second will be black

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Ответ:

edenlbarfield

05.09.2022

Mathematics

hello there here are your answers:

8) B multiplication property of zero

9) C additive identify

1) 8

2) -2a-7

Step-by-step explanation:

1) $\frac{3+u}8^{2} \\u=5 \\so\\ \frac{3+5}8^{2} \\3+5=8^{2} \\8^{2} =\\64 \\\\ 64/8=\\\\\\8 \\there.\\\\\\$

2) $-2(a-7)\\\\-2(a)(-7)\\\\=-2a+14\\\\\\there$

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Miesha has 3 red pens and 2 black pens in her pencil case. If she selects two pens without looking what is the probability that: The first one will be black The first will be black and the second will be black