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fredd [130]
3 years ago
12

Consider the following statement. If n is divisible by 6, then n is divisible by 2 and n is divisible by 3.

Mathematics
2 answers:
bekas [8.4K]3 years ago
7 0

Answer:

b. If n is not divisible by 2 or n is not divisible by 3, then n is not divisible by 6.

Step-by-step explanation:

Division by Six

A number is divisible by six if it is divisible by both 2 and 3.

Negation:

If the number is not divisible by either 2 or 3, it is not by 6. So the answer is given by option b.

Trava [24]3 years ago
4 0

b.

Step-by-step explanation:

Division by Six

A number is divisible by six if it is divisible by both 2 and 3.

Negation:

If the number is not divisible by either 2 or 3, it is not by 6. So the answer is given by option b.

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Answer:

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Step-by-step explanation:

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3 years ago
In the triangle below, angle B measures 60° and BC is 18. What is the length of AC?
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
At the Foremost State Bank the average savings account balance in 2012 was $1900. A random sample of 45 savings account balanes
lakkis [162]

Answer:

The calculated  |t| = |-26.517|=26.517 > 2.326 at 0.01 level of significance

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Step-by-step explanation:

<u><em>Step(i)</em></u>:-

Mean of the Population = 1900

Given random sample size 'n' =  45

Mean of the sample x⁻ = 1000

Standard deviation of the sample = 225

<u><em>Null Hypothesis</em></u>:-

There is no difference between mean savings account balance in 2013 is different from the mean savings account balance in 2012.

<u><em>Alternative Hypothesis</em></u> :-

There is difference between mean savings account balance in 2013 is different from the mean savings account balance in 2012

<u><em>Step(ii</em></u>):-

Test statistic

        t = \frac{x^{-}-mean }{\frac{S.D}{\sqrt{n} } }

        t = \frac{1000-1900 }{\frac{225}{\sqrt{45} } }

       t = -900 /33.54 = -26.517

      |t| = |-26.517|=26.517

Degrees of freedom

                       γ = n-1 = 45-1 =44

t₍₀.₀₁ , ₄₄₎ = 2.326

The calculated  |t| = |-26.517|=26.517 > 2.326 at 0.01 level of significance

Null hypothesis is rejected at 0.01 level of significance

There is difference between mean savings account balance in 2013 is different from the mean savings account balance in 2012

4 0
2 years ago
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Answer:the correct answer is b

Step-by-step explanation:

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