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OLga [1]
3 years ago
8

What is the value of x?

Mathematics
1 answer:
vivado [14]3 years ago
5 0

Answer:

x = 52/3

Step-by-step explanation:

3x / 7x = (3x+7) / (3x+7+5x-8)

3/7 = (3x+7)/(8x - 1)

Cross multiply

7(3x+7)=3(8x-1)

21x + 49 = 24x - 3

-3x = -52

  x = 52/3


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mu = 1100 = population mean

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z = z score

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z = 1.09

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6 0
3 years ago
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What is the solution of this proportion 4/9 = 6/d
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PLEASE HELP. graph the set of points which model is most appropriate for the set (-6,4)(-4,0)(-3,-2)(-1,-7)
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What does this mean I need help?
chubhunter [2.5K]

Answer:

Step-by-step explanation:

x > 3 reads x is greater than three. This includes all numbers to the right of three, but not three itself.    |₋₋|₋₋|₋₋₀---|---|---|---|---|---|----->

                                             0 1  2  3  4  5  6  7  8  9

x ≤5  reads x is less than or equal to five. This includes all numbers to the left of and including the number 5    <--|---|---|---|---|---|---|--•₋₋₋|₋₋|₋₋₋|₋₋₋|₋₋₋₋

                                                           -2 -1  0  1  2  3  4  5  6  7  8  9

x ≥ -4 reads x is greater than or equal to minus four. This includes all numbers to the right of and including -4.    

 |₋₋₋|₋₋₋|₋₋₋•---|---|---|---|---|---|---|-->

-7 -6  -5  -4 -3 -2  -1  0  1  2  3

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2 years ago
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