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timurjin [86]
3 years ago
15

What are the square roots of -8-6i?Thanks!​

Mathematics
1 answer:
ira [324]3 years ago
6 0

Answer:

1-3i

Step-by-step explanation:

√ -8-6i  = 1-3i

(1-3i)  x  (1-3i) = -8-6i

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Determine the type of correlation that exists in the given data set. Age (years) 23 45 39 74 63 52 59 28 35 11 26 49 IQ 76 82 11
Lyrx [107]

Answer:

B -0.104

Step-by-step explanation:

Step 1: Write the formula for correlation

r =    total xy

√Total x² x Total y²

Step 2: Make a table to calculate all values

Table is attached in the picture below

Step 3 : Solve

Mean of X = Total X/ Total number of X

                  = 507/12

                  = 106.33

Mean of Y = Total Y/ Total number of Y

                  = 1276/ 12  

                  = 42.25

r =    total xy

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6 0
3 years ago
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kolezko [41]

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And for f, you only need to divide -4 on both sides to get x by itself.

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3 years ago
There are 7 green apples and 6 red apples in a basket
oee [108]
Red apples to all apples:

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Green Apples to All Apples:

There are 7 green apples and 13 apples total, so the ratio is 7:13.
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A piece of metal is cut in the shape of a triangle what is the area of the piece of metal
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3 years ago
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