3 years ago

Type the ordered pair that is the solution to these questions. 3x-y=13

Mathematics

1 answer:

Dvinal [7]3 years ago

3 0

Answer:

Here's 3 ordered pairs:

(0,-13)(1,-10)(2,-7)

Step-by-step explanation:

They should all be correct. It doesn't matter which one you choose.

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Sedaia [141]

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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2 years ago

A researcher is testing a hypothesis of a single mean. The critical z value for a = .05 and a two‑tailed test is +1.96. The obse

grandymaker [24]

Answer:

The decision made by the researcher based on this information is to reject the null hypothesis.

Step-by-step explanation:

Two-tailed hypothesis test:

Critical value: $z_c$

Test statistic: z

If $|z| < |z_c|$ , we do not reject the null hypothesis.

If $|z| > |z_c|$ , we reject the null hypothesis.

In this question:

$z_c = 1.96, z = -2.05, |z| = 2.05$

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The decision made by the researcher based on this information is to reject the null hypothesis.

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