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alexira [117]
3 years ago
5

The sum of 4 consecutive numbers is equal to the sum of the next 3 consecutive numbers. Find the largest number.​

Mathematics
2 answers:
timurjin [86]3 years ago
6 0

Answer:

The answer is: The largest number is 15.

Step-by-step explanation:

Let n = the number

n + (n + 1) + (n + 2) + (n + 3) = (n + 4) + (n + 5) + (n + 6)

4n + 6 = 3n + 15

n = 9

Proof:

9 + 10 + 11 + 12 = 19 + 23 = 42

13 + 14 + 15 = 27 + 15 = 42

Hope this helps! Have an Awesome Day!!  :-)

rosijanka [135]3 years ago
6 0

Step-by-step explanation:

Let numbers :

n, n+1, n+2 , n+3

Given:

n + n + 1 + n + 2 + n + 3 = n + 4 + n + 5 + n + 6

4n + 6 = 3n + 15

n = 9

Largest number = n+6 = 15

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Step-by-step explanation:

Mean:

First add all the numbers

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Then you divide the answer by counting the numbers

870÷10

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Median:

First arrange the numbers in ascending order (from smallest to largest)

77, 78, 79, 86, 87, 88, 92, 94, 94, 95

pick the two middle numbers which is 87 and 88

then you do \frac{87+88}{2}

                = 175÷2

                =  87.5

range = Largest number - smallest number

= 95-77

= 18

8 0
2 years ago
If necessary, combine like terms. (x-10)(x-10)
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x^2 − 20x + 100

Step-by-step explanation:

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3 years ago
The set of numbers in the form startfraction a over b endfraction a b​, where a and b are integers and bnot equals≠​0, is called
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klemol [59]
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                 √x² ≠ √4
                    x ≠ ±2
           x ≠ -2 and x ≠ 2
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Range: y ≠ 1
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Intervals: Increasing: (0.25 , ∞)
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Symmetry: X-axis: Not Symmetric
                  Y-axis: Not Symmetric
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Extrema: Maximum Relative: x = 0
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3 0
2 years ago
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