Aline with a slope of -8 passes through the points (6,-1) and (w, 7). what is the value of w?

w = 5

Step-by-step explanation:

using the gradient formula for slope m

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (6, - 1 ) and (x₂, y₂ ) = (w, 7 )

m = = = - 8 ( cross- multiply )

- 8(w - 6) = 8

- 8w + 48 = 8 ( subtract 48 from both sides )

- 8w = - 40 ( divide both sides by - 8 )

w = 5

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6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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