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svetlana [45]
2 years ago
9

Solve it please! -2f - 7(-8f + 3)

Mathematics
2 answers:
amid [387]2 years ago
8 0
I’m pretty sure that should be 54f-21
valentina_108 [34]2 years ago
7 0

Answer:

3(18f−7)  (factored)

54f−21  (simplified)

hope this helped :D

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Simplify y 2 + 4y - 16y + 3y 2.
algol13
First, add or subtract all variables
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Answer:

I can't draw number 1 and 2, but

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2 years ago
the slope of a line passing through h (-2, 5) is -3/4. Which ordered pair represents a point on this line? ​
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Answer:

A

Step-by-step explanation:

Calculate the slope of the given points with the point (- 2,  5 )

If the slope is - \frac{3}{4} then the point is on the line

Calculate slope m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 2, 5) and (x₂, y₂ ) = (6, - 1)

m = \frac{-1-5}{6+2} = \frac{-6}{8} = - \frac{3}{4} ← point (6, - 1) is on the line

Repeat with (x₁, y₁ ) = (- 2, 5 ) and (x₂, y₂ ) = (2, 8)

m = \frac{8-5}{2+2} = \frac{3}{4} ← point (2, 8) is not on the line

Repeat with (x₁, y₁ ) = (- 2, 5) and (x₂, y₂ ) = (- 5, 1)

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Repeat with (x₁, y₁ ) = (- 2, 5) and (x₂, y₂ ) = (1, 1)

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You can take out an x
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Then factor it
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