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Fudgin [204]
3 years ago
7

Which number would be greater, the height of a tree in feet or the height of the same tree in yards.

Mathematics
1 answer:
Lelechka [254]3 years ago
6 0

Answer:

The height of the tree in feet would be the larger number

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Find the line y=a+bx which best approximates the data points
Vika [28.1K]

Answer:

y = 11.84x - 32.71

Step-by-step explanation:

Here, the given data points,

(−3,−70),(−1,−42),(1,−21),(2,−9),(4,14),

Let x represents the input value and y represents the output value,

So, the table that represents the given situation is,

x         -3            -1             1             2             4

y       -70          -42         -21         -9             14

By the above table,

\sum x=3

\sum y=-128

\sum xy = 269

\sum x^2=31

\sum y^2 = 7382

Let the equation of the line is,

y = bx + a

Where,

a=\frac{\sum y \sum x^2 - \sum x\sum xy}{n(\sum x^2)-(sum x)^2}

b=\frac{n\sum xy - \sum x \sumy}{n(\sum x^2)-(\sum x)^2}

n = number of data points = 5,

By substituting the values we get,

a = - 32.70547945 ≈ - 32.71,

b = 11.84246575 ≈ 11.84,

Hence, the equation of line would be,

y = 11.84x - 32.71

8 0
3 years ago
Help? :,) I know it might look easy but not for me!!
ehidna [41]
The answer is c = 11mm
3 0
3 years ago
Witch of the following are not correct expressions for slope
AlekseyPX

Answer:

slope can only be showed by the word <em><u>GRADIENT</u></em>

Step-by-step explanation:

A <em>slope</em><em> </em>means how much something is <em>slanting</em>

like if something is <u>Inclined</u><u> </u>at a specific degree. e. g. <em>This</em><em> </em><em>house</em><em> </em><em>is</em><em> </em><em>inclined</em><em> </em><em>at</em><em> </em><em>4</em><em>5</em><em>°</em><em> </em><em>to</em><em> </em><em>the</em><em> </em><em>road</em>

4 0
3 years ago
Solve the following quadratic equation ​
liraira [26]

27x^2 = 3

27x^2 - 3 = 0

3(9x^2 - 1 ) = 0

9x^2 - 1 = 0

( I think this is it- )

7 0
2 years ago
Paul ships 5 copies of a photobook that he made of old family photographs to his cousins in a box
marusya05 [52]

The graph that represents the linear equation is attached below.

<h3>How to Interpret the Equation of a Linear Graph?</h3>

A linear graph can be modelled by an equation in slope-intercept form, as: y = mx + b. Here, we have:

  • m as the slope value = change in y / change in x
  • b as the y-intercept which is the point on the y-axis that the line intercepts which is also the starting value/initial value.

Given the linear equation, y = 5x + 10, it means the slope of the graph that represents this equation would be 5, while the line that intersects the y-axis would be at 10.

In the graph attached below, the slope is 5, and the y-intercept is 10.

Therefore, the graph that represents the linear equation is attached below.

Learn more about the linear equation graph on:

brainly.com/question/14323743

#SPJ1

7 0
1 year ago
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