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valentina_108 [34]
3 years ago
13

What is the y-value in the solution to this system of linear equations?

Mathematics
1 answer:
lions [1.4K]3 years ago
7 0

Answer:

Multiple both side of 2nd equation, then add both of equation, you would get

11y= -44 => y =-4

Step-by-step explanation:

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A survey shows that 10% of the population is victimized by property crime each year. A random sample of 527 older citizens (65 y
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Answer:

The data provide sufficient evidence that older people are more likely to be victimized.

Step-by-step explanation:

H 0 : P = 0.10

H 1 : P > 0.10 (Right tailed test)

n = 527, P = 0.1235

The test statistics

x = P - p / \sqrt{p*(1-p) / n}

x = 0.1235 - 0.10 / \sqrt{0.10 * 0.90 / 527}

x = 0.0235 / \sqrt{0.09 / 527}

x = 0.0235 / \sqrt{0.00017077798}

x = 0.0235 / 0.0130682049264618

x = 1.798257689731729

x = 1.798

P value = [1 - p(Z > 1.7980] (Right tailed test)

P value = 0.036089

The P - Value is very small, so <u>reject H0</u>

Conclusion: The data provide sufficient evidence that older people are more likely to be victimized.

7 0
3 years ago
Which figure has reflection symmetry?
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3 years ago
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A number minus 3 is at least −5.
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x is at least -2

Step-by-step explanation:

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Frank is a two digit number on his baseball uniform the number is a multiple of 10 and has 3 for one of its factors what three n
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Solve multi-step equations iready<br> -5m=3<br> m=?
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Answer:

m = -3/5

Step-by-step explanation:

-5m = 3

Divide each side by -5

-5m/-5 = 3/-5

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7 0
2 years ago
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