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Nitella [24]
3 years ago
14

The table below show 2 equations. Equation 1: 3x-1=7+2 Equation 2: 2x+1+4=3 which statement is true about the solution to the tw

o equation?
Mathematics
2 answers:
vodomira [7]3 years ago
4 0

The answer is d

i hope this helps

olya-2409 [2.1K]3 years ago
3 0
You have not added your options, so I will just solve and hope that my answer is in your choices.

For the first equation we have:
3x-1=7+2
3x = 7+2+2
3x = 10
x = 10/2

For the second equation we have:
<span>2x+1+4=3
</span>2x = 3-4-1
2x = -2
x = -1

Therefore, there isn't a solution that satisfies both equations. Based on this, this system of equations has no solution.
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Elina [12.6K]

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364/27

Step-by-step explanation:

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The nth term is a1rn-1.

 

If a1rn-1 = 1/27, then 9(1/3)n-1 = 1/27

 

                                32(3-1)n-1 = 3-3

 

                                3231-n = 3-3

 

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                                         n = 6

 

The sum, Sn, of the first n terms of a geometric sequence is given by Sn = a1(1 - rn) / (1 - r).

 

So, 9 + 3 + 1 + ... + 1/27 = S6 = 9(1 - (1/3)6) / (1 - 1/3)

 

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                                              = (27/2)(728/729) = 364/27

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Step-by-step explanation:

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