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3 years ago

A sprinter ran a race in 11 seconds. What is the domain of this graph?

Mathematics

1 answer:

spin [16.1K]3 years ago

5 0

<u>So the domain is the list of x-values that are possible on a line.</u>

In this case since time is the x-axis, this means that he ran the race from 0 to 11 seconds, eliminating the first two options.

Now, a lot of races will have times going into the decimal places (tenths, hundredths, thousandths, etc). With integers however, they are whole numbers, and fractions and decimals are not considered whole numbers. With this info, we can eliminate the last option.

With the other three options eliminated, <u>your answer is C. Real numbers from 0 to 11.</u>

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What is the equation for this line

pogonyaev

The equation of the line is $y=\frac{-1}{5} x-\frac{21}{5}$ .

Solution:

The points on the line are (–6, –3) and (4, –5).

$x_{1}=-6, y_{1}=-3, x_{2}=4, y_{2}=-5$

Slope of the line:

$$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

$$m=\frac{-5-(-3)}{4-(-6)}$

$$m=\frac{-5+3}{4+6}$

$$m=\frac{-2}{10}$

$$m=\frac{-1}{5}$

Point-slope formula:

$y-y_{1}=m\left(x-x_{1}\right)$

$$y-(-3)=\frac{-1}{5}(x-(-6))$

$$y+3=\frac{-1}{5}(x+6)$

$$y+3=\frac{-1}{5} x-\frac{6}{5}$

Subtract 3 from both sides of the equation.

$$y=\frac{-1}{5} x-\frac{21}{5}$

The equation of the line is $y=\frac{-1}{5} x-\frac{21}{5}$ .

6 0

3 years ago

The following numbers of people attended the last 10 screenings of a movie.

sdas [7]

110 and 294 are the outliers because their difference in value from other data is large.

<h3>What are outliers?</h3>

An outlier is an observation that lies an abnormal distance from other values in a random sample from a population.

<h3>sample of data</h3>

Given the sample data 110, 196, 197, 199, 205, 208, 209, 210, 210, 294, we need to get the outliers that are an observation that lies an abnormal distance.

From the data, we can see clearly that 110 and 294 are the outliers. Their difference in value from other data is large.

Learn more on outliers here: brainly.com/question/2749543

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2 years ago

Pls help I need help! <br><br>Find the length of side A.

wolverine [178]

I believe it is c sorry if i am wrong

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2 years ago

Read 2 more answers

Hamburger: $6.00<br> Fries: $2.00<br> Tax: 7%<br> Tip: 20%<br><br> Total: ___

Salsk061 [2.6K]

Answer:

$10.27

Step-by-step explanation:

H + F = $8, (7% of 8 is 0.56) [$8.56] + 20% = 10.272 --> $10.27

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2 years ago

A painter is placing a ladder to reach the third story window, which is 34 feet above the ground and

denis-greek [22]

Answer:

34 times 70

Step-by-step explanation:

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3 years ago