2 years ago

Put the following equation of a line into slope-intercept form, simplifying all

1 answer:

7 0

At the moment it’s in standard form. We can easily turn this into slope int form (y= mx + b) tho

3y= -18x -18
y= -6x - 6

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If a population is known to be normally distributed, what can be said of the sample distribution of the sample mean drawn from t

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That they are diffrent type of numbers

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2 years ago

Adult entrance fees to amusement parks in the United States are normally distributed with a population standard deviation of 2.5

kondor19780726 [428]

Answer: 1.509

Step-by-step explanation:

The formula of Margin of Error for (n<30):-

$E=t_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}$

Given : Sample size : n= 22

Level of confidence = 0.99

Significance level : $\alpha=1-0.99=0.01$

Using the t-distribution table ,

Critical value : $t_{n-1, \alpha/2}=t_{21,0.005}= 2.831$

Standard deviation: $\sigma=\text{ 2.5 dollars }$

Then, we have

$E=( 2.831)\dfrac{2.5}{\sqrt{22}}\approx1.509$

Hence, the margin of error for a 99% confidence interval for the population mean =1.509

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3 years ago

How do you solve this proportional relationship?

-BARSIC- [3]

It would take 22 weeks to produce 429 wet suits

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2 years ago

Can someone please help with either? will mark brainliest

mylen [45]

Answer:

Step-by-step explanation:

i just did it

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2 years ago

Convert the map scale to a unit rate. How many inches represent one mile? Show your work. Interpret the meaning of the unit rate

Veronika [31]

Verbal model: mile/inch=mile/inch

Proportion: 7/8÷3/10=x/1

Solve= 7/8*10/3=x/1

70/24=x/1

70=24x

x=35/12

The unit rate must be $\frac{35}{12} miles/ inch$

7 0

3 years ago