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Damm [24]
2 years ago
13

Find the slope of the line from the table below

Mathematics
2 answers:
bezimeni [28]2 years ago
7 0

Answer:

m = -10

Step-by-step explanation:

m = y2 - y1 / x2 - x1

m = 60-50 / -2 - -1

m = 10/ -1

m = -10

klemol [59]2 years ago
7 0

Answer:

-10

Step-by-step explanation:

We can use two points from the table to find our slope.

Remember, the slope formula is \frac{y2-y1}{x2-x1}. We can use the points (-1,50) and (-2,60). Let's substitute the values into the formula.

\frac{60-50}{-2-(-1)}. This gets us to \frac{10}{-1}, so our slope is -10.

Hope this helps!

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I don't know what I'm doing wrong here, can anyone help?
Novosadov [1.4K]

if you look at the part where the first part connects with the second part:

y = 5 if x < - 2

y = -2x + 1 if  -2 ≤ x < 1

we don't have a discontinuity there, so there shouldn't be a dot.

<h3></h3><h3>What is wrong with the graph?</h3>

When we graph over intervals like (a, b) or [a, b] or something like that, we use dots to define the end of the intervals, and to denote that the function ends abruptly or we have a jump.

In this case, you can see that between the end and the second part and the beginning of the third part there is a jump, so the use of dots is correct there, but if you look at the part where the first part connects with the second part:

y = 5 if x < - 2

y = -2x + 1 if  -2 ≤ x < 1

we don't have a discontinuity there, so there shouldn't be a dot.

That is the only error with the graph.

If you want to learn more about piecewise functions:

brainly.com/question/3628123

#SPJ1

8 0
1 year ago
No Links Please!
Alexus [3.1K]

Answer:-1

Step-by-step explanation: have a nice day

4 0
2 years ago
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3 0
3 years ago
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According to a recent​ publication, the mean price of new mobile homes is ​$63 comma 800. Assume a standard deviation of ​$7900.
wolverine [178]

Answer:

a. For n=25, the mean and standard deviation of the prices of the mobile homes all possible sample mean prices are ​$63,800 and ​$1,580​, respectively.

b. For n=50, the mean and standard deviation of the prices of the mobile homes all possible sample mean prices are ​$63,800 and ​$1,117​, respectively.

Step-by-step explanation:

In this case, for each sample size, we have a sampling distribution (a distribution for the population of sample means), with the following parameters:

\mu_s=\mu=63,800\\\\\sigma_s=\sigma/\sqrt{n}=7,900/\sqrt{n}

For n=25 we have:

\mu_s=\mu=63,800\\\\\sigma_s=\sigma/\sqrt{n}=7,900/\sqrt{25}=7,900/5=1,580

The spread of the sampling distribution is always smaller than the population spread of the individuals. The spread is smaller as the sample size increase.

This has the implication that is expected to have more precision in the estimation of the population mean when we use bigger samples than smaller ones.

If n=50, we have:

\mu_s=\mu=63,800\\\\\sigma_s=\sigma/\sqrt{n}=7,900/\sqrt{50}=7,900/7.07=1,117

4 0
3 years ago
A crate containing four identical cartridges weighs 5 kilograms (kg). If the weight of the crate is 600 grams (g), what is the w
mel-nik [20]

Answer: 1100 grams

Step-by-step explanation:

5kg=5000g

5000g-600g=4400g

4400g/4=1100g

8 0
3 years ago
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