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lutik1710 [3]
4 years ago
8

18−5z+6z>3+6 Solve the inequality.

Mathematics
1 answer:
Mademuasel [1]4 years ago
8 0
18 - 5z + 6z > 3 + 6
         18 + z > 9
       - 18      - 18
                 z > -9

Solution Set: (-9, ∞)
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¿cuántas raíces cuadradas tiene el número 0?
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one

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3 years ago
Determine the solutuon for x^2-3x-28>0
natita [175]

Answer:

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Create a Table   (pos = positive and neg = negative):

Value  of           x< - 4        -4  < x < 7         x > 7    

---------------------|----------- |--------------------- |---------------------

x + 4                  NEG           POS                 POS

x - 7                    NEG           NEG                POS

(x + 4)(x - 7)         POS           NEG                POS

So the function is positive (>0) for x < -4 or x > 7.

You can also do this by drawing the graph of the function.

6 0
3 years ago
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