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Scorpion4ik [409]
3 years ago
11

4x+5y=20 in point slope form

Mathematics
2 answers:
saul85 [17]3 years ago
8 0

Answer:

<em>y = </em>-\frac{4}{5}<em> x + 4 </em>

Step-by-step explanation:

<em>Ax + By = C is standard form of linear equation. </em>

<em>y - </em>y_{1}<em> = m( x - </em>x_{1}<em> ) </em>

<em>y = mx + b is slope intercept form of linear equation. </em>

<em>Thus, to write the point-slope equation we have to have the coordinates of the point that given line is passing through!</em>

I assume, that we have to re-write the standard form of linear equation into slope-intercept form. That's mean, we have to solve given equation for "y".

5y = - 4x + 20

<em>y = </em>-\frac{4}{5}<em> x + 4</em>

Anna35 [415]3 years ago
4 0

Answer:

y = -4/5x - 4

Step-by-step explanation:

y - y1 = m(x-x1)

4x + 5y = 20 ( subtract 4x on both sides)

5y = -4x + 20 (divide by 5 on each side)

y = -4/5x + 4

So we know one point is (0,4) y-intercept

now plug in (0,4)

y - 4 = -4/5(x-0) (Distribute -4/5 to x - 0)

y - 4 = -4/5x (now add 4 on each side)

y = -4/5x - 4

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Answer:

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Step-by-step explanation:

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Divide both by the equation by two -> 2x=18 x=9

Final answer: x=9

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3 0
1 year ago
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Answer:

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Step-by-step explanation:

6 0
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How many moles of oxygen are required to burn 3.0 mole of C10H8 (naphthalene)?
astra-53 [7]

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Step-by-step explanation:

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From the equation of the reaction,

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Step-by-step explanation:

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