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Pachacha [2.7K]
4 years ago
8

Please write this out on a piece of paper

Mathematics
2 answers:
Lera25 [3.4K]4 years ago
6 0
Distribute the 7 and get
28n-42=182
Then add 42 to -42 and -182 and get -224
28n=-224
Now finally divide 28n by 28 and divide -224 by 28
And you will get
N=-8
Hope this helped please mark me brainliest
horrorfan [7]4 years ago
5 0
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Is the function x^3+7x even or odd?
Nimfa-mama [501]

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Step-by-step explanation:

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7 0
3 years ago
The sum of the squares of three consecutive positive integers is 7805. What is the sum of the cubes of the three original intege
Vitek1552 [10]

Answer:

398259

Step-by-step explanation:

Let from the given positive integers, x be the smallest integers,

Also, numbers are consecutive,

So, the second integer = x + 1,

Third integer = x + 2,

According to the question,

x^2+(x+1)^2+(x+2)^2=7805

x^2+x^2+2x+1+x^2+4x+4=7805

3x^2+6x+5=7805

3x^2+6x+5-7805=0

3x^2+6x-7800=0

x^2+2x-2600

By middle term splitting,

x^2+(52-50)x-2600=0

x^2+52x-50x-2600=0

x(x+52)-50(x+52)=0

(x-50)(x+52)=0

By zero product property,

x-50 = 0 or x + 52 =0

⇒ x = 50 or x = -52 ( not possible )

Hence, numbers are 50, 51, 52,

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6 0
3 years ago
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