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fredd [130]
3 years ago
7

Please help will give brainliest

Mathematics
1 answer:
Ivanshal [37]3 years ago
4 0

Answer:

\frac{1}{2}

Step-by-step explanation:

Honestly not sure what all the numbers you put down were (numbers for the graph?), but here is how to find the slope :)

First, find two "exact" points!

I am going to use (0, 1) and (2, 2)

We then go to our first point, (0, 1), and count how many points up it is until we are on the same x-axis of our y. This is 1. We then do the same thing for the y-axis. This is 2. It is rise over run, so the answer is \frac{1}{2}

(I hope this helps, have a nice day!)

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If a linear relationship is proportional, what is always true about its graph?
Leya [2.2K]

Answer:

The answer is proportional. Hope it helps!

8 0
3 years ago
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Can someone help me I only have till tomorrow to complete this someone help
I am Lyosha [343]

Answer:

odd

Step-by-step explanation:

look at the last digits

6 0
3 years ago
Solve using the quadratic formula. Approximate answers to the nearest tenth.<br> Help
Pepsi [2]

Answer:

x = 2.4 or x = 0.3

Step-by-step explanation:

3x² - 8x + 2 = 0

Quadratic formula

x = {-b ±√b² - 4ac} / 2a

a = 3

b = -8

c = 2

x = {-b ±√b² - 4ac} / 2a

= {-(-8) ±√(-8)² - 4*3*2} / 2*3

= (8 ± √64 - 24) / 6

= (8 ± √40) / 6

= (8 ± 2√10) / 6

= 8/6 ± 2√10/6

= 4/3 ± √10 / 6

x = 4/3 + √10 / 6 or 4/3 - √10 / 6

x = 2.4 or x = 0.3

6 0
2 years ago
A student sketched some art on an 8 inch x 10 inch piece if paper he wants to resize it to fit an 4 inch x 6 inch frame. What pe
Setler [38]

Answer:

83.3%

Step-by-step explanation:

5 0
2 years ago
Dora calculated the mean absolute deviation for the data set 35, 16, 23, 42, and 19. Her work is shown below.
Crazy boy [7]

Answer:

The calculation in step 3 is wrong

Step-by-step explanation:

1) The mean of a dataset is given by the sum of the values of the dataset divided by the number of values.

In this problem, the dataset is

35, 16, 23, 42, 19

And the number of data is

N = 5

So the mean is

\bar x=\frac{35+16+23+42+19}{5}=27

So, step 1 is correct.

2)

The absolute deviation of a value in the dataset is the absolute value of its difference from the mean value:

\sigma_i = |x_i-\bar x|

Since here the mean value is

\bar x=27

Then for each of the values in this dataset, we have:

\sigma_{1}=|35-27|=8\\\sigma_{2}=|16-27|=11\\\sigma_{3}=|23-27|=4\\\sigma_{4}=|42-27|=15\\\sigma_{5}=|19-27|=8

So calculations in step 2 are also correct.

3)

The mean absolute deviation is given by the sum of the absolute deviations for each data divided by the number of values in the dataset.

Therefore in this problem, it is:

\bar \sigma = \frac{\sum \sigma_i}{N}=\frac{8+11+4+15+8}{5}=9.2

While the result reported by Dora is 9.5: therefore, this step is not correct.

5 0
3 years ago
Read 2 more answers
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