3 years ago

Select all of the equations that have graphs with the same y-intercept (starting amount).

Mathematics

1 answer:

attashe74 [19]3 years ago

8 0

Answer: y=3x-8, y=5x-8, and y=2x-8

Step-by-step explanation:

These equations are all lines in slope-intercept form (y=mx+b where b is the y-intercept). y=3x-8, y=5x-8, and y=2x-8 all have -8 as the b value. Therefore, these equations have the same y-intercept.

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Solve the system of equations using the substitution method (solving for x and y intercepts). Please give graphing points.

ch4aika [34]

Answer:

(x, y) = (1, 4)

Step-by-step explanation:

Given: x+y=5 and 2x-y=-2

Solve for y and x

x+y=5; solve for y

y = 5 - x; substitute into other equation

2x-y= -2

2x - (5 - x) = -2

2x - 5 + x = -2; combine x's

3x - 5 = -2; add 5 to both sides

3x =3; divide by 3

x = 1; use this to solve for y

x+y=5

1 + y = 5; subtract 1 from both sides

y = 4

(x, y) = (1, 4)

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s344n2d4d5 [400]

The answer is A.) 2:02

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4 years ago

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SCORPION-xisa [38]

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I subtracted the 2 fractions.

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3 years ago

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What is the acronym used to help remind you of the order<br> used to simplify expressions?

Serhud [2]

Answer:

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Step-by-step explanation:

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3 years ago

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denpristay [2]

Answer:

x = 432

Step-by-step explanation:

72 / x = 16 2/3 / 100

7200= 16 2/3x

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3 years ago