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Lana71 [14]
3 years ago
7

I don't understand the first one.

Mathematics
2 answers:
Lena [83]3 years ago
8 0
Yes they are similar in size because if you simplify both of them to get an equivalent number, 6 x 8 is 3 x 4 simplified and 9 x 12 simplified is 3 x 4. Obviously there are more methods, although I highly recommend this
lyudmila [28]3 years ago
6 0
Basically the question is asking if the proportions for the dimensions of the 2 rugs are the same, so in this case yes, since 6 X 8 can be written as 3 X 4 which if you set up a fraction you can easily multiply both the top and bottom number by 3 to get 9 X 12.
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Vladimir [108]

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D.

Step-by-step explanation:

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Some teenagers collected trash for a beach cleanup. The data for the number of pounds of trash collected by each teenager are sh
Mumz [18]

Answer:

4.66

Step-by-step explanation:

We are given the following data

26, 26, 21, 22, 20, 25, 35

Step 1

We find the Mean

Mean = 26+ 26+ 21+ 22+20+25+ 35/7

= 175/7

= 25

Step 2

We find the Standard Deviation

The formula for Standard deviation that we would use is the Population Standard deviation, this is because the data given above is the data of the number of pounds of trash collected by each teenager

= √(x - Mean)²/n

= √(26 - 25)²+( 26 - 25)²+ (21 - 25)²+ (22 - 25)² +(20 - 25)²+(25 - 25)²+ (35 - 25)²/7

= √152/7

= √21.7142857

= 4.65985898

Approximately = 4.66

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3 years ago
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Answer:

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