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Assoli18 [71]
3 years ago
6

I need help to do this question?

Mathematics
2 answers:
avanturin [10]3 years ago
6 0

Answer:

you multiply 2 by everything in the first parenthesis and get 2x+10

then you multiply -3 by everything in the second parenthesis and get -3x-18

so you have 2x+10-3x-18

combine like terms and you get -1x-8 or -x-8

Hope This Helps!            Have A Nice Day!!

UNO [17]3 years ago
6 0
Here is the answer to the problem

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150 canicas en total.....

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1.9

Step by step answer

step1 finding the mean

(7+4+7+7+2+10+12+8+7+5)/10 = 6.9

step2 Difference between each data

Difference between 7 and 6.9 is 0.1

Difference between 4 and 6.9 is 2.9

Difference between 7 and 6.9 is 0.1

Difference between 7 and 6.9 is 0.1

Difference between 2 and 6.9 is 4.9

Difference between 10 and 6.9 is 3.1

Difference between 12 and 6.9 is 5.1

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Difference between 5 and 6.9 is 1.9

step3 add all the Difference

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Given the digits 2,5,7,9, 4, and 1, how many 4-digit codes can be made if 4 points
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Step-by-step explanation:

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3rd digit of code: 2,5,7,9,1 so 6 possibilities for the 3rd digit.

4th digit of code: only 7 and 9 are greater tyhan 6 so only 2 possibilities for the 4th digit.

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2 x 6 x 6 x 2 = 144

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