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3 years ago

12

Helena is comparing two sets of data. Neither set is symmetrical. Which measures of center and variability would be most effecti

ve to use when making comparisons between the two data sets?

1 answer:

erastovalidia [21]3 years ago

7 0

Answer:

d

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

The scale factor is 2 because every aspect of figure a doubled.

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3 years ago

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A small aircraft flies a 2160-mi round trip in a 45 mi/h wind. Find the average rate of speed for the trip if the aircraft can f

jok3333 [9.3K]

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Answer:

216 mi/h

Step-by-step explanation:

The time for the trip with the wind is ...

(1080 mi)/(225 +45 mi/h) = 4 h

The time for the trip against the wind is ...

(1080 mi)/(225 -45 mi/h) = 6 h

The average speed for the entire round trip is ...

(2160 mi)/(4 +6 h) = 216 mi/h

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3 years ago

What are the roots of the equation 2x2<br> 13x + 25 = 0 in simplest a + bi form?

butalik [34]

13x+25=0
13x+25-25=0-25 Since two opposites added give zero, remove them from the expression 13x=-25

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3 years ago

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kakasveta [241]

Answer:

5 × $\frac{1}{100}$

Step-by-step explanation:

$4*100+2*10+3*1+6*\frac{1}{10}+x+9*\frac{1}{1000}=423.659\\4*100+2*10+3*1+6*0.1+x+9*0.001=423.659\\400+20+3+0.6+x+0.009=423.659\\423.609+x=423.659\\x=0.05\\\\50*\frac{1}{10}=5\\\\5*\frac{1}{100}=0.05\\\\50=50\\\\5*0.05=0.25$

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Step-by-step explanation:

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