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Assoli18 [71]
3 years ago
11

Geometry help #31 pls

Mathematics
1 answer:
Anestetic [448]3 years ago
8 0
Plug the coordinates into the distance formula and solve.
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Does the following table show a proportional relationship between the variables xxx and yyy?
Eva8 [605]

Answer:

Yes

Step-by-step explanation:

It's right

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3 years ago
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A business made a profit of $980 this month. Last month, it made 84% of this month's profit. About how much was last month's pro
Leviafan [203]

Answer:

$823.20

Step-by-step explanation:

84% of $980 = 0.84 * 980

= $823.20

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Common denominator and strategy 2/3 and 10/15
Tom [10]
Their common denominator is 15. Hope it helps! :) If you could vote my answer as the brainliest, that would be awesome! :)
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Test due in 3 minutes please help.
adelina 88 [10]

Answer:

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Step-by-step explanation:

3 0
3 years ago
An ABC News poll asked adults whether they felt genetically modified food was safe to eat. 35% felt it was safe, 52% felt it was
Masteriza [31]

Answer:

The proportions differ from those reported in the survey.

Step-by-step explanation:

The Chi-square goodness of fit test would be used to determine whether the proportions differ from those reported in the survey.

The hypothesis for the test can be defined as follows:

<em>H</em>₀: The proportions does not differ from those reported in the survey.

<em>Hₐ</em>: The proportions differ from those reported in the survey.

Assume that the significance level of the test is, α = 0.01.

The Chi-square test statistic is given by:

\chi^{2}=\sum\limits^{n}_{i=1}{\frac{(O_{i}-E_{i})^{2}}{E_{i}}}

Consider the Excel sheet provided.

The Chi-square test statistic value is 191.32.

The <em>p</em>-value of the test is:

p-value=P(\chi^{2}_{(n-1)}>191.32)\\\\=\text{CHISQ.DIST.RT}(191.32,2)\\\\=0.0000

The <em>p</em>-value of the test is very small. The null hypothesis will be rejected at 1% level of significance.

Thus, concluding that the proportions differ from those reported in the survey.

5 0
3 years ago
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