Mathematics: Anyone know this mathswatch fraction question ???

Anyone know this mathswatch fraction question

Ответ:

achaney6733

28.08.2020

$a)= 5 \frac{9}{14} \\ \\ b) = 7 \frac{1}{2} \\$

Step-by-step explanation:

$a)4 \frac{1}{7} + 1 \frac{1}{2} \\ \frac{29}{7} + \frac{3}{2} \\ \frac{58 + 21}{14} \\ = \frac{79}{14} \\ = 5 \frac{9}{14}$

$b)4 \frac{1}{2} \div \frac{3}{5} \\ \frac{9}{2} \div \frac{3}{5} \\ \frac{9}{2} \times \frac{5}{3} \\ = \frac{45}{6} \\ = 7 \frac{3}{6} \\ = 7 \frac{1}{2}$

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Ответ:

21marmong

20.07.2022

Mathematics

Slope-intercept form is y = mx + b
m is the slope
b is the y-intercept

7x = 14y - 8

7x + 8 = 14y {added 8 to each side}
(1/2)x + (8/14) = y
slope is 1/2

A line perpendicular would have a slope of -2 {the negative reciprocal of 1/2}

#1 y = -2x - 7 {it is the only one with a slope of -2}

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Anyone know this mathswatch fraction question ???

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