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bezimeni [28]
3 years ago
8

Please help !!

Mathematics
1 answer:
MAVERICK [17]3 years ago
5 0

Answer:

see explanation

Step-by-step explanation:

(1)

Calculate the slope m using the slope formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (0, 3) and (x₂, y₂ ) = (4, 0) ← 2 points on the line

m = \frac{0-3}{4-0} = - \frac{3}{4}

(2)

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

note the line crosses the y- axis at (0, 3) ⇒ c = 3

y = - \frac{3}{4} x + 3 ← equation of line

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Answer:

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Step-by-step explanation:

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Sum the equations vertically to eliminate at least one variable.

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Substitute the given value of n into the equation d - n = -12

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Substitute the given value of n into the equation q=\frac{1}{2} d

q=\frac{1}{2} *\frac{416}{11}

q=\frac{208}{11}

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n=\frac{548}{11}        n = 49.818

q=\frac{208}{11}        q = 18.909

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