2 years ago

What is the equation of a line that has the point (10,4) and is perpendicular to y=5/3x+3

Mathematics

1 answer:

goldfiish [28.3K]2 years ago

3 0

Answer:

y = -3/5x - 2

Step-by-step explanation:

perpendicular is always the inverse of the slope so it be -3/5

now do y-4 = -3/5x - 6

add 4 to both sides to get y = -3/5x - 2

hope this is right

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The ages of two brothers are in the ratio two to three, but in eight years, the ratio of their ages will be three to four. What

Darina [25.2K]

X = older brother
y = younger brother

Equation 1: x/y = 2/3 ⇒ x = 2y/3
Equation 2: x + 8/y + 8 = 3/4

$( \frac{2y}{3} + 8) / y +8 = \frac{3}{4}$
$(2y + 24)/3 = y + 8 = \frac{3}{4}$
$2y + 24 = 3 (y + 8) = \frac{3}{4}$
$2y + 24 = 3y + 24 = \frac{3}{4}$
$4 (2y + 24) = 3 (3y + 24)$
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The age of the older brother is 24.

$x = \frac{2y}{3} = \frac{2*24}{3}$
$x = \frac{48}{3}$
$x = 16$

The age of the youngest brother is 16.

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3 years ago

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Which property is illustrated?<br><br> 15 + (5 + 7) = (15 + 5) + 7

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