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abruzzese [7]
3 years ago
7

Which equation represents a line which is perpendicular to the line 6x + y = 1?

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
3 0
Perpendicular: y = -1/6x + 1
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Answer:

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two factors of -48 have a difference of 19. the factor with a greater absolute value is positive. what is the sum of the factors
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Answer:

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Step-by-step explanation:

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Read 2 more answers
A study by Consumer Reports showed that 64% of supermarket shoppers believesupermarket brands to be as good as national brands.
Elina [12.6K]

Answer:

z=\frac{0.614 -0.64}{\sqrt{\frac{0.64(1-0.64)}{145}}}=-0.652  

The p value would be given by:

p_v =P(z  

Since the p value is higher than the significance level we have enough evidence to FAIL to reject the null hypothesis and we can conclude that the true proportion is significantly less than 0.64 at 5% of significance

Step-by-step explanation:

Information given

n=145 represent the random sample taken

X=89 represent the number  of people who believed the supermarket brand was as good as the national brand

\hat p=\frac{89}{145}=0.614 estimated proportion of people who believed the supermarket brand was as good as the national brand

p_o=0.64 is the value to test

\alpha=0.05 represent the significance level

z would represent the statistic

p_v represent the p value

Hypothesis to test

We want to test if the true proportion is less than 0.64, the system of hypothesis are.:  

Null hypothesis:p \geq 0.64  

Alternative hypothesis:p < 0.64  

The statistic is given by:

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

Replacing the info we got:

z=\frac{0.614 -0.64}{\sqrt{\frac{0.64(1-0.64)}{145}}}=-0.652  

The p value would be given by:

p_v =P(z  

Since the p value is higher than the significance level we have enough evidence to FAIL to reject the null hypothesis and we can conclude that the true proportion is significantly less than 0.64 at 5% of significance

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Are the lengths changing in a linear fashion in the listing above? Perry's hot tub​
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Step-by-step explanation:

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Round 14.561 to two decimal places
Marizza181 [45]

Answer:

round 14.561 to two decimal places=15

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