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olganol [36]
3 years ago
11

3 is multiplied by the difference of 7 and a number

Mathematics
1 answer:
Dafna1 [17]3 years ago
4 0

Answer:

The difference of 7 and what? If it means that 3 is multiplied by the difference between 7 and 3, then the result would be 3 x (7-3) = 12.

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You go down 8 floors in an elevator. Your friend goes up5 floors in an elevator. Write each amount as an integer.
Ivahew [28]
-8 and 5 (positive 5)
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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
jekas [21]

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
If y varies directly as x and y=32 when x=4. find the constant of variation​
Llana [10]

Answer:

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Step-by-step explanation:

Given that y varies directly as x then the equation relating them is

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To find k use the condition y = 32 when x = 4, then

32 = 4k ( divide both sides by 4 )

8 = k

7 0
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Read 2 more answers
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Step-by-step explanation:

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putting vales of x and y

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Step-by-step explanation:

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8 0
3 years ago
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