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kherson [118]
3 years ago
8

PLease help me on this one? <3

Mathematics
1 answer:
MariettaO [177]3 years ago
6 0

Answer:

A. (1, 0)


Reason:

When the first equation is graphed: y <u><</u> x + 1, the left side of the line is shaded and when the second equation is graphed: y <u><</u> x^2 -3x, the bottom is shaded.

The green section does not contain solutions. So D is automatically out.

The red section does not contain solutions as well. So C is automatically out.

For choice B, the point goes out of the shaded blue section, so that's out also.

As for choice A its in the blue shaded section, which makes that answer correct.

(when the two equations are within each other and combine a color, then whatever points is within the shaded part is the right answer)


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Step-by-step explanation:

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Answer:

The 95% confidence interval for the true mean speed of thunderstorms is [10.712, 13.688].

Step-by-step explanation:

Given information:

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At confidence interval 95% then z-score is 1.96.

The 95% confidence interval for the true mean speed of thunderstorms is

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CI=12.2\pm 1.487535

CI=12.2\pm 1.488

CI=[12.2-1.488, 12.2+1.488]

CI=[10.712, 13.688]

Therefore the 95% confidence interval for the true mean speed of thunderstorms is [10.712, 13.688].

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