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3 years ago

What is the absolute value of –20? Use the number line to answer the question.

Mathematics

2 answers:

WITCHER [35]3 years ago

7 0

The answer to this is 20

Verdich [7]3 years ago

5 0

20, because it is 20 units away from 0.

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Can someone please help me with math

DaniilM [7]

Answer:

Step-by-step explanation:

they want us to find the equation in slope intercept form

which is y= mx + b

where m = slope and b = y intercept

the slope is change in y over change in x

as y goes up 1 x goes up 1 so the slope is 1 or m=1

the y intercept is at point (0,1)

so the y intercept is 1

now we add it all together and get that the equation Is

y=x+1

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3 years ago

Please help!!! urgent!!! question above ^

LuckyWell [14K]

Answer:

Step-by-step explanation:

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3 years ago

Read 2 more answers

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viva [34]

It would be 3,8
https://www.bing.com/videos/search?q=how+to+solve+a+slope+intercept+form&docid=608053494459401091&mi...
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3 years ago

A veterinarian wants to know if pit bulls or golden retrievers have a higher incidence of tooth decay at the age of three. The v

BigorU [14]

Answer: B) [-0.0332,0.1332]

Step-by-step explanation: <u>Confidence</u> <u>Interval</u> is an interval where we can be a percentage sure the true mean is.

The confidence interval for a difference in population proportion is calculated following these steps:

First, let's find population proportion for each population:

$p_{1}=\frac{30}{120}=0.25$

$p_{2}=\frac{32}{160}=0.2$

Second, calculate standard deviation for each proportion:

$\sigma_{1}=\sqrt{\frac{0.25(0.75)}{120} } = 0.0395$

$\sigma_{2}=\sqrt{\frac{0.2(0.8)}{160} } = 0.0316$

Now, we calculate standard error for difference:

$SE=\sqrt{\sigma_{1}^{2}+\sigma_{2}^{2}}$

$SE=\sqrt{0.0395^{2}+0.0316^{2}}$

SE = 0.0505

The z-score for a 90% CI is 1.645.

Then, confidence interval is

$p_{1}-p_{2}$ ± z-score.SE

$0.25-0.2$ ± $1.645(0.0505)$

0.05 ± 0.0831

The limits of this interval are:

inferior: 0.05 - 0.0831 = $-0.0332$

superior: 0.05 + 0.0831 = 0.1332

The 90% confidence interval for the difference in the population proportion of pit pulls and golden retrievers is $[-0.0332,0.1332]$ .

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3 years ago

What is 1/6 plus 3/6 as a decimal?

Digiron [165]

1/6 + 3/6 = 4/6
= 2/3
= 0.6 recurring
= 0.6666666667

4 0

2 years ago