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IrinaVladis [17]
2 years ago
8

The sum of the squares of 4 consecutive integers is an even integer.

Mathematics
1 answer:
oksian1 [2.3K]2 years ago
5 0

Answer:

yes

Step-by-step explanation:

Let's call the first integer n and let's compute.n^2 + (n+1)^2 + (n+2)^2 +(n+3)^2 = \\n^2 + \\n^2+2n+1 + \\\ n^2+4n+4 + \\\ n^2+6n+9+\\\ n^2+8n+16  =\\4n^2+20n +30 = 2 (2n^2+10n+15)

Which is indeed of the form 2(something), so it is even.

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Lina20 [59]
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2 years ago
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6 0
3 years ago
Student Council sponsors weekly dances at their school on Friday nights. The admission price for each person is $4 for Student C
Morgarella [4.7K]

Answer:

$110

Step-by-step explanation:

So first you have to do 15*4. We get the 4 from the admission fees and the 15 from the number of dances they attend. From this answer we can see the total of money they will be paying for admission for the 15 dances.

15*4=$60

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8 0
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Plus $5 per day. The fee for the game booth is $50 plus $7 per day.
Marta_Voda [28]

Question:

<em><u>A company sets up a food booth and a game booth at the county fair. The fee for the food booth is $100 plus $5 per day. The fee for the game both is $50 plus $7 per day. Write an expression for how much both will cost for the same number of days.</u></em>

Answer:

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6 0
2 years ago
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