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seraphim [82]
3 years ago
12

which property is shown? 20×5×6=20×6×5 A commutative property B distibutivr C associative property or D none of these are correc

t
Mathematics
1 answer:
Contact [7]3 years ago
5 0

A: communicative property, it is this because communicative property allows you to switch around the order.

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The following data are the distances between a sample of 20 retail stores and a large distribution center. The distances are in
sesenic [268]

Answer:

Variance = 1,227.27

Standard deviation = 35.03

Step-by-step explanation:

To calculate these, we use the following formulas:

Mean = (sum of the values) / n

Variance = ((Σ(x - mean)^2) / (n - 1)

Standard deviation = Variance^0.5

Where;

n = number of values = 20

x = each value

Therefore, we have:

Sum of the values = 29 + 32 + 36 + 40 + 58 + 67 + 68 + 69 + 76 + 86 + 87 + 95 + 96 + 96 + 99 + 106 + 112 + 127 + 145 + 150 = 1,674

Mean = 1,674 / 20 = 83.70

Variance = ((29-83.70)^2 + (32-83.70)^2 + (36-83.70)^2 + (40-83.70)^2 + (58-83.70)^2 + (67-83.70)^2 + (68-83.70)^2 + (69-83.70)^2 + (76-83.70)^2 + (86-83.70)^2 + (87-83.70)^2 + (95-83.70)^2 + (96-83.70)^2 + (96-83.70)^2 + (99-83.70)^2 + (106-83.70)^2 + (112-83.70)^2 + (127-83.70)^2 + (145-83.70)^2 + (150-83.70)^2) / (20 - 1) = 23,318.20 / 19 = 1,227.27

Standard deviation = 1,227.27^0.5 = 35.03

5 0
3 years ago
Can anyone help me with this probability problem? Thank you
spin [16.1K]

Answer: c or .25

Step-by-step explanation: 3/12= .25

3 0
3 years ago
Find midpoint of PQ with endpoints P (0,2) and Q (6,-2)
agasfer [191]

Answer:

(3, 0)

Step-by-step explanation:

The easiest way to do this problem is to average the x-coordinates and y-coordinates.

So,  (0 + 6) / 2 = 6/2 = 3 = x   and (2 - 2)/2 = 0/2 = 0 = y

Therefore, the midpoint is (3,0)

6 0
3 years ago
Please help I don’t know how to do this
sweet-ann [11.9K]

Answer:

mnp=tuv

Step-by-step explanation:

match the symbols on the triangle together, then match the letters to, tracing paper helped me a lot when I first started. sorry I'm not that good at explaining but I hope this helped

6 0
3 years ago
Super easy question <br> please help<br><br><br><br><br> look at the link down below
Ilia_Sergeevich [38]
The area would be 6 x 3= 18
18/2 = 9
The are of the triangle is B) 9

Hope this helps :)
7 0
3 years ago
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