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elixir [45]
3 years ago
9

Solve the system by substitution. 7x-3y=-25 4x+5=y Simplify ( , )

Mathematics
1 answer:
Lynna [10]3 years ago
3 0

Answer:

nznsjisisjnsnaksodood

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The graph of a linear relationship is shown. Which equation best represents the relationship between x and y in the graph
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Answer:

B.  y = -3/4x + 5/2

Step-by-step explanation:

Take two points from the graph, let's use (-2, 4) and (2, 1):

Find slope:

 m = (y₂ - y₁) / (x₂ - x₁)

     = (1 - 4) / (2 - (-2))

     = -3/4

Find y-intercept using slope above and anyone point:

y = mx + b

(1) = -3/4(2) + b

1 = -3/2 + b

b = 1 + 3/2

b = 5/2

Equation of line using m and b above:

y = mx + b

y = -3/4x + 5/2

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The maximum weight for a truck on the new York state thruway is 40 tons . How many pounds is this
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The answer is 80,00 pounds.

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Find the center and radius when x^2+y^2+4x-4y=17
coldgirl [10]

Answer:

the center is (-2,2) and the radius is 5

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What kind of line is y=3? horizontal, vertical,slanted?
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