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ludmilkaskok [199]
2 years ago
8

Prove: An odd number squared is an odd number. = (2n + 1)2 ​

Mathematics
1 answer:
Mnenie [13.5K]2 years ago
4 0

Answer:

{(2n + 1)}^{2}  = 4 {n}^{2}  + 4n + 1 = 2(2 {n}^{2}  + 2n) + 1

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Which expression is equivalent to −19y+13 ?
Vikki [24]
The first thing you should do in this case is to write the expression correctly:
 - (1/9) y + (1/3)
 Now, we take out common factor (1/9) obtaining:
 1/9 (-y + 3)
 Let's check:
 1/9 (-y + 3)
 -1/9y + 3/9
 -1/9y + 1/3
 OK
  Answer: 
 An expression equivalent is: 
 1/9 (-y + 3)

4 0
3 years ago
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Earth, Mars, Saturn, Uranus and Neptune revolve around the sun. Earth takes 1 year, Mars 2 years, Saturn 30 years, Uranus 84 yea
Anettt [7]

Answer:

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3 0
3 years ago
Please help me first person will get brainliest!!
olganol [36]

Answer:

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8 0
3 years ago
If we consider the toss of four coins as an experiment, how many equally likely outcomes does the sample space have?
Arturiano [62]
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6 0
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Plsssss
bixtya [17]
3/9 = x/36
Now cross multiply
108 = 9x
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2 years ago
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