2 years ago

Given the equation 4x - 3y = 12

Mathematics

1 answer:

Ulleksa [173]2 years ago

4 0

Answer:

see below

Step-by-step explanation:

Slope intercept form is y = mx+b where m is the slope and b is the y intercept

4x - 3y = 12

Solve for y

Subtract 4x from each side

4x-4x - 3y =-4x+ 12

-3y = -4x+12

Divide by -3

-3y/-3 = -4x/-3 + 12/-3

y = 4/3x -4

The slope is 4/3 and the y intercept is -4

The slope is Positive

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Answer:

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Let y = the charge in 2nd city before taxes

Set up equation before taxes.

y = x - 1500 eq1

Set up equation for total tax paid.

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Substitute eq1 into eq2.

0.065x + 0.06(x - 1500) = 378.75

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Answer:

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Step-by-step explanation:

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