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Anon25 [30]
3 years ago
15

PLEASE HELP 10 POINTS

Mathematics
1 answer:
Stella [2.4K]3 years ago
4 0

Answer:

1/45

Step-by-step explanation:

make a probability of how many blues are in the bag

2/10.

simplify

1/5

Now that a marble is tooken away. there will be only one blue marble and 9 total marbles. make another probability.

1/9

now multiply the two probabilities.

1/5 × 1/9 = 1/45

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The excluded values of a rational expression are 2 and 5. Which of the following could be this expression?
Flura [38]

Answer:

It's the last  choice:  (x + 5) / (x^2 - 7x + 10).

Step-by-step explanation:

x^2 - 7x + 10

= (x - 5)(x - 2)

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So the answer is (x + 5) / (x^2 - 7x + 10).

4 0
4 years ago
Read 2 more answers
simplify the expression. write the answer using scientific notation. (9x10^7)(7x10^9) 1.6x10^17 1.6x10^64 6.3x10^64 6.3x10^17
Daniel [21]
The\ scientific\ notation:a\cdot10^n\ where\ 1\leq a \ \textless \  10\ and\ n\in\mathbb{Z}\\----------------------------\\\\(9\cdot10^7)(7\cdot10^9)=(9\cdot7)(10^7\cdot10^9)=63\cdot10^{7+9}\\\\=63\cdot10^{16}=6.3\cdot10^{16+1}=6.3\cdot10^{17}
5 0
4 years ago
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