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2 years ago

In given points. 1. (10,4), (4, 15) Find the slope of the line.

Mathematics

1 answer:

MrMuchimi2 years ago

8 0

Answer:

$m = -\frac{11}{6}$

Step-by-step explanation:

Slope is rise over run.

$\frac{15-4}{4- 10}=\frac{11}{-6} = \boxed{-\frac{11}{6}}$

Hope this helps.

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The error is in the middle: 2(-12) = -24 not 24.

sergiy2304 [10]

Answer:

There is no question so I can not respond with a answer.

Step-by-step explanation:

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3 years ago

Emily spent 1/2 of her money at the grocery store.Then, she spent 1/2 of what was left at the bakery. Next, at the music store,

Artist 52 [7]

I believe the answer is $48 because 6 * 2 is 12 and 12 * 2 is 24 and 24 * 2 is 48, thus 48$. Please feel free to check my work, though.

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3 years ago

write an equation in slope intercept form for the line that passes through (4, -4) and is parallel to 3x+4x=2y-9

photoshop1234 [79]

Answer:

$\large\boxed{y=\dfrac{7}{2}x-18}$

Step-by-step explanation:

The slope-intercept form of an equation of a line:

$y=mx+b$

Convert the equation of a line 3x + 4x = 2y - 9 to the slope-intercept form:

$3x+4x=2y-9$

$7x=2y-9$ add 9 to both sides

$7x+9=2y$ divide both sides by 2

$\dfrac{7}{2}x+\dfrac{9}{2}=y\to y=\dfrac{7}{2}x+\dfrac{9}{2}$

Parallel lines have the same slope. Therefore we have the equation:

$y=\dfrac{7}{2}x+b$

Put the coordinates of the point (4, -4) to the equation:

$-4=\dfrac{7}{2}(4)+b$

$-4=7(2)+b$

$-4=14+b$ subtract 14 from both sides

$-18=b\to b=-18$

Finally we have the equation:

$y=\dfrac{7}{2}x-18$

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3 years ago

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