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Mashcka [7]
3 years ago
9

107+0+39+13 use properties to fin the sum

Mathematics
1 answer:
Vikentia [17]3 years ago
6 0
The answer to the question is 159 all you do is add everything together
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PLEASE HELP!<br> 4x + 2y = 6<br> -2x + 2y = 18<br> There combined answer please!<br> SHOW YA WORK
Minchanka [31]
Your answer, in your set notation, is
{-2, 7}

5 0
3 years ago
Pls help due at 2:00
slamgirl [31]

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1. $8.77

2. 498.456

Step-by-step explanation:

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Step-by-step explanation:

4 0
3 years ago
Your personal library contains books written by 165 authors. 60% of the authors are men. 40% of the authors write only nonfictio
Scorpion4ik [409]

Answer:

The probability that a book picked at random is either a work written by an author who writes only nonfiction or a work written by a man is 75.8%.

Step-by-step explanation:

The probability, in this case, has to be calculated using the sum rule because the events are independent. 

P = P(men) + P(non-fiction) - P(men non-fiction); where P is the probability. It means the probability that the random book was written by a man plus the probability that the random book was non-fiction minus the probability that the random book was written by a man who writes non-fiction. The probability that the random book was written by a man who writes non-fiction has to be subtracted, if not you will be duplicating it. 

Facts:

P(men) = 60% = 99/165

P(non-fiction) = 40% = 66/165

P(men non-fiction) = 40/165

P = P(men) + P(non-fiction) – P(men non-fiction)

P = 99/165 + 66/165 – 40/165

P = 125/165

P = 0.758 or 75.8%

3 0
3 years ago
Please help with number 2 and 3
a_sh-v [17]
The question 2 .
428×7.1=3038.8
-12+8=-4
3.4408÷0.092 =37.4
-18÷2=-9
3 0
3 years ago
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