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3 years ago

5

How did you get 24/10?

1 answer:

elena-14-01-66 [18.8K]3 years ago

6 0

Step-by-step explanation:

$\tt{} \frac{24}{10}$

$\tt{} \frac{24 \div 2}{10 \div 2}$

$\tt{} \frac{12}{5}$

$\tt{}2 \frac{2}{5} \: \: \: \: \: = 2.4$

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Step-by-step explanation:

we are given equation 4x+5y=19

Firstly, we will solve for y

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we can change it into y=mx+b form

$5y=-4x+19$

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$m=-\frac{4}{5}$

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we know that slope of two parallel lines are always same

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$m'=-\frac{4}{5}$

Let's assume parallel line passes through (1,1)

now, we can find equation of line

$y-y_1=m'(x-x_1)$

we can plug values

$y-1=-\frac{4}{5}(x-1)$

now, we can solve for y

$y=-\frac{4}{5}x+\frac{9}{5}$

Perpendicular line:

we know that slope of perpendicular line is -1/m

so, we get slope as

$m'=\frac{5}{4}$

Let's assume perpendicular line passes through (2,2)

now, we can find equation of line

$y-y_1=m'(x-x_1)$

we can plug values

$y-2=\frac{5}{4}(x-2)$

now, we can solve for y

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