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poizon [28]
3 years ago
12

Two less than 3times a number is the same as the number plus 10.

Mathematics
2 answers:
Brilliant_brown [7]3 years ago
5 0

Answer:

6

Step-by-step explanation:

3n - 2 = n + 10.    add 2

3n = n + 12           subtract n from both sides

2n = 12.                divide by 2

N = 6

The number is 6

lisov135 [29]3 years ago
4 0
5 is the number

3n - 2 = n + 10 add 2 to both sides
3n = n + 10 subtract n from both sides
2n = 10 divide both sides by 2
n = 5
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Answer:

(4k^2+7)(7k+6)

Step-by-step explanation:

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7 0
3 years ago
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zzz [600]

Step-by-step explanation:

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5 0
3 years ago
What is the arithmetic mean of the following numbers?<br> 8 10 8 5 4 7 5 10 8
Bas_tet [7]
I re-orders as 4,5,5,7,8,8,8,10,10.


Mean 7.2222222222222
Median 8
Mode 8
Range 6
Minimum 4
Maximum 10
Count n 9
Sum 65
Quartiles Quartiles:
Q1 --> 5
Q2 --> 8
Q3 --> 9
Interquartile
Range IQR 4
Outliers none
4 0
3 years ago
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