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____ [38]
3 years ago
7

The sum of 3 consecutive odd numbers is 51. what is the second number in this sequence

Mathematics
2 answers:
cricket20 [7]3 years ago
6 0

Answer:

17

Step-by-step explanation:

since it is in the middle you can just divide by 3 since one will be greater and one will be less so 51/3=17

Nezavi [6.7K]3 years ago
4 0
Assume the second number to be x, then the first numbers is X-2, third number is x + 2
Thus we have a sequence of x-2,x,x+2,the sum of these number is 51:
X-2+x+x+2=51
X=17
So, 15, 17, 19
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Vesna [10]

Answer:

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Step-by-step explanation:

You cannot solve this equation. There is no equal sign anywhere. Either you mean

-6x = 15 in which case the answer is

-6x/-6 = 15/-6

x = - 2 1/2 or x= - 2.5

or you mean that you use the distributive property

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You may have left something out of this.

-6x + 15 = -  69

You can do it now that you have the complete equation. But you need the entire equation before you can answer the question.

Subtract - 15 from both sides.

-6x + 15 - 15 = -69 - 15

-6x = - 84

Divide by - 6

-6x/-6 = - 84/-6

x = 14

But what you want is

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when x = 14 which is usually what you are asked.

5 0
3 years ago
What is the nearest hundredth of 2.6666
Advocard [28]

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5 0
3 years ago
What is the volume of a cube 1 1/2 inches wide 2 1/2 inches long and 4 inches high?
mel-nik [20]

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231

Step-by-step explanation:

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ans....

6 0
3 years ago
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Tamika makes a 5.5% commission selling electronics. How much commission does she make if she sells a flat-screen TV for $10,000?
strojnjashka [21]

Answer: She makes $550

Step-by-step explanation:

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7 0
3 years ago
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Xelga [282]

Answer:

49

Step-by-step explanation:

  • Try finding pattern of last two digits of 7 to the power of some numbers.

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7^2=49

7^3=343

7^4= 2301

7^5= 16807

  • so , the pattern is, 07,49,43,01
  • so, if we start writing all numbers from 1 to 2018 , four number in each line, 2018 will fall in the second column.
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6 0
3 years ago
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