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Evgen [1.6K]
3 years ago
11

Subtract the following complex numbers: (3 +31) - (13+15)

Mathematics
2 answers:
vova2212 [387]3 years ago
6 0

Answer:

33-28=5

Step-by-step explanation:

hope this helps

liraira [26]3 years ago
3 0

Answer:

6

Step-by-step explanation:

34-28=6

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What is 0.48 written as a fraction in lowest terms?<br><br><br> I need so much help
Bumek [7]

Answer:

12/25

Step-by-step explanation:

  1. Convert .48 to a fraction (48/100)
  2. The GCF of 48 and 100 is 4. Divide 48 and 100 by 4. You will get 12/25.
4 0
3 years ago
A set of raw paired sample data is given below. Convert this raw data into paired ranks, and calculate the value of the rs test
SOVA2 [1]

here is the data set for the complete question

x: 18 21 19 21 20 21

y; 2 14 5 6 18 18

Answer:

B. 0.652

Step-by-step explanation:

x   y   rank of x     rank of y   d         d²

18   2     1                1               0          0

21   14    4                4             0          0

19    5     2               2             0          0

21    6     4               3            1            1

20    18    3             5.5         -2.5      6.25

21     18    4             5.5          -1.5       2.25

∑d² = 8.5

rs = 1 - 6[∑di² + ∑m(m²-1)]/n(n²-1)

= 1 - 6[8.5 +{3(3²-10/12 + 2(2² - 1)/12}]/6(6²-1)

= 1 - 0.348

= 0.652

therefore option b is the right answer.

5 0
3 years ago
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no se pero de seguro alguien más te ayudará

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