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Orlov [11]
3 years ago
10

Which inequality has infinitely many negative integer solutions

Mathematics
1 answer:
tester [92]3 years ago
5 0
A. x>-5, that is greater than -5, so not this one
B. 5<x, that means x is bigger than 5, so not
C. x is greater than or equal to -10, so not this one
D. x is less than 10, so this one

D is answer
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<h3>Answer:</h3>

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<h3>Explanation:</h3>

This is best solved graphically or by some other machine method. The approximate solution (x=1.49, y=1.221) can be iterated by any of several approaches to refine the values to the ones given above. The values above were obtained using Newton's method iteration.

_____

Setting the y-values equal and squaring both sides of the equation gives ...

... √x = x² -1

... x = (x² -1)² = x⁴ -2x² +1 . . . . . square both sides

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By Descarte's rule of signs, we know there are two positive real roots to this equation. From the graph, we know the other two roots are complex. The second positive real root is extraneous, corresponding to the negative branch of the square root function.

8 0
3 years ago
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Answer:

c = 8.9 or 4√5

Step-by-step explanation:

5 0
2 years ago
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Answer: 18.45\ kg or 18\frac{9}{20}\ kg

Step-by-step explanation:

We can convert from mixed numbers to decimal numbers:

11\frac{1}{2}\ kg=(11+0.5)\ kg=11.5\ kg\\\\1\frac{1}{4}\ kg=(1+0.25)\ kg=1.25\ kg

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Then:

19.7\ kg-1.25\ kg=18.45\ kg or 18\frac{9}{20}\ kg

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