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That is the slope of the line 4x-2y = 20
4

Explanation: Remember the standard linear equation: y=mx+b. The variables 'mx' represent the slope of a linear line meaning in the equation y=4, there is no slope, or a slope of 0.

Step-by-step explanation:

As y=4x−2 can be written as y=4x+(−2) . Hence, it's slope is 4 and intercept on y -axis is −2 .

hello from mrbilldoesmath!

answer:

a(n) - a(n-1) -3

discussion:

this ones a bit interesting. given a(n) = 5 - 3n consider this:

a(n-1) = 5 - 3(n-1)

          = (5 - 3n) + 3             => but a(n) = 5 - 3n, the first term

          = a(n)   + 3                 => subtract 3 from both sides

a(n-1) -3 = a(n)  

or

a(n) - a(n-1) -3

you,

mrb

the answers are in the images, i received 100% on this assignment. hope this !