Mathematics: Is this an isosceles and why

Step-by-step explanation:GivenRequiredThe linear functionStart by calculating the slope (m)So, we have:The equation is then calculated as:Where: So, we have:...

Is this an isosceles and why - id8434187, anthony983

Ответ:

alexgold3

15.04.2020

Mathematics

y = 0.065x +12

Step-by-step explanation:

Given

$x \to minutes$

$y \to bill$

(x_1,y_1) = (280,30.20)

(x_2,y_2) = (310,32.15)

Required

The linear function

Start by calculating the slope (m)

$m = \frac{y_2 - y_1}{x_2 - x_1}$

So, we have:

$m = \frac{32.15 - 30.20}{310 - 280}$

$m = \frac{1.95}{30}$

m = 0.065

The equation is then calculated as:

y = m(x - x_1) + y_1

Where:

(x_1,y_1) = (280,30.20)

m = 0.065

So, we have:

y = 0.065(x - 280) + 30.20

y = 0.065x - 18.2 + 30.20

y = 0.065x +12

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Is this an isosceles and why

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