3 years ago

Find the slope and write in slope intercept form.

Mathematics

1 answer:

sweet-ann [11.9K]3 years ago

4 0

The slope is 3. Y - 77 = 3 ( x - 6 ) is the equation in point slope form.

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If an item that originally cost $13 is increased to $19, what is the percentage of increase in the item?

Evgesh-ka [11]

Original cost (OC) = $13

New cost (NC) = $19

Percentage increase = $\frac{NC - OC}{OC} *100 = \frac{19 - 13}{13} * 100 = \frac{6}{13} * 100$

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3 years ago

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2 years ago

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Find an equation of the line that has the given slope and contains the given point. m=7/3 (1,6)

iris [78.8K]

The point-slope form:

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

We have the point (1, 6) and the slope m = 7/3. Substitute:

$y-6=\dfrac{7}{3}(x-1)$ use distributive property

$y-6=\dfrac{7}{3}x-\dfrac{7}{3}$ add 6 to both sides

$y=\dfrac{7}{3}x+\dfrac{11}{3}$ multiply both sides by 3

$3y=7x+11$ subtract 7x from both sides

$-7x+3y=11$ change the signs

$7x-3y=-11$

Answer:

point-slope form: $y-6=\dfrac{7}{3}(x-1)$

slope-intercept form: $y=\dfrac{7}{3}x+\dfrac{11}{3}$

standard form: $7x-3y=-11$

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Liono4ka [1.6K]

$4.025=4+0.025=4+\dfrac{25}{1000}=4+\dfrac{25:25}{1000:25}=4+\dfrac{1}{40}\\\\=\boxed{4\frac{1}{40}}$

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