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3 years ago

10

Please help me ughhh

1 answer:

Rudik [331]3 years ago

4 0

If there are outliers, IQR is a better measure of the spread of data than range. The range will include the outliers, and make the data appear to have many more terms of a greater/lesser value than it has in reality. IQR shows the middle 50%, which (usually) doesn't contain outliers, so the majority of the data spread would be shown by IQR in a data sample with a significant amount of outliers. If your measure of the spread of data contains outliers, then the measure isn't accurate.

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Whats the solution for the sum of a number and 19 is at least 8.2?

Alina [70]

The number would be -10.8 19 + (-10.8) = 8.2 I hope that helps!

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3 years ago

Find a vector equation and parametric equations for the line through the point (7,4, 5) and parallel to the vector 3i 2j-k .

aleksley [76]

Answer: vector equation r = (7+3t)i + (4+2t)j + (5 - 5t)k

parametric equations: x = 7 + 3t; y = 4 + 2t; z = 5 - 5t

Step-by-step explanation: The vector equation is a line of the form:

r = $r_{0}$ + t.v

where

$r_{0}$ is the position vector;

v is the vector;

For point (7,4,5):

$r_{0}$ = 7i + 4j + 5k

Then, the equation is:

r = 7i + 4j + 5k + t(3i + 2j - k)

<u><em>r = (7 + 3t)</em></u><u><em>i</em></u><u><em> + (4 + 2t)</em></u><u><em>j </em></u><u><em>+ (5 - 5t)</em></u><u><em>k</em></u>

The parametric equations of the line are of the form:

x = $x_{0}$ + at

y = $y_{0}$ + bt

z = $z_{0}$ + ct

So, the parametric equations are:

<em><u>x = 7 + 3t</u></em>

<em><u>y = 4 + 2t</u></em>

<em><u>z = 5 - 5t</u></em>

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3 years ago

3. One day, Shilo’s Shipping Company sent 4 trucks, each with 6 axles, and

Rufina [12.5K]

A;
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B;
[(4 x 6) + (5 x 2)] - [(14 x 2) + 7]
[24 + 10] - [28 + 7]
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3 years ago

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If you are looking for the total number of flowers the equation should be 22 multiplied by 4 to get 88

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4 years ago

Read 2 more answers

Find the equation of the line <br> use exact numbers

love history [14]

Answer:

y = 1/2x + ( - 3)

Step-by-step explanation:

<u>According to the graph, the line has the following intercepts.</u>

y - intercept of (0, - 3)
x - intercept of (6, 0)

<u>The line equation is:</u>

y = mx + b

<u>The slope is:</u>

m = (0 - (-3)) / (6 - 0) = 3/6 = 1/2

<u>The line is:</u>

y = 1/2x + (- 3)

7 0

3 years ago