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3 years ago

A set of positive and negative rational numbers is shown.

2 answers:

8 0

The largest number is 8/15
The smallest is -7/9
Now, subtract
8/15 - (-7/9)
Subtracting by a negative number is adding by a positive one
8/15 + 7/9
The LCM of 15 and 9 is 45
24/45 + 35/45
= 59/45
That's your answer.

Have an awesome day! :)

From your friendly Helper-in-Training, collinjunn0827

Troyanec [42]3 years ago

5 0

Answer:1 3/4 < 1 7/8
Showing the workThe least common denominator is 8Comparing 14/8 and 15/8:
14/8 < 15/8 ... ..... ... ....therefore1 3/4 < 1 7/8

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Step-by-step explanation:

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Bob drew a line he thought was close to many of the points and found the equation of the line. He used the points (165, 168) and

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We will see that the linear equation is:

y = 1.1*x -13.5

b) The predicted height is 164.7cm

<h3>How to get the linear equation?</h3>

A general linear equation is:

y = a*x + b

Where a is the slope and b is the y-intercept.

If we know that the line passes through (x₁, y₁) and (x₂, y₂), then we can write the slope as:

a = (y₂ - y₁)/(x₂ - x₁)

In this case, the line passes through (165, 168) and (174, 178), then the slope is:

a = (178 - 168)/(174 - 165) = 10/9 = 1.1

Then the line is:

y = 1.1*x + b

To get the value of b, we use one of the given points, for example if we use the first one (165, 168) we must have x = 165 and y = 168, replacing that we get:

168 = 1.1*165 + b

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The equation is:

y = 1.1*x -13.5

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y = 1.1*162 -13.5 = 164.7

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If you want to learn more about linear equations, you can read:

brainly.com/question/1884491

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