4 years ago

Geometry proofs PLEASE HELP!!! Lots of points

Mathematics

1 answer:

avanturin [10]4 years ago

4 0

Hello!

1) Given

2) Addition property of equality

3) Division property of equality

I hope it helps!

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Find the slope of the line that passes through (23, -30) and (-7, 18).

babymother [125]

Answer:

slope = - $\frac{8}{5}$

Step-by-step explanation:

Calculate the slope m using the slope formula

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

with (x₁, y₁ ) = (23, - 30) and (x₂, y₂ ) = (- 7, 18)

m = $\frac{18-(-30)}{-7-23}$ = $\frac{18+30}{-30}$ = $\frac{48}{-30}$ = - $\frac{8}{5}$

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Please solve, -7x+8=-4(x+1)

omeli [17]

Answer: $x=4$

Simplify both sides of the equation.

$-7x+8=-4(x+1)\\-7x+8=(-4)(x)+(-4)(1)(Distribute)\\-7x+8=-4x+-4$

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$-7x+8+4x=-4x-4+4x\\-3x+8=-4$

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3 years ago

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sukhopar [10]

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4/5

Step-by-step explanation:

1 - 2/10 = 8/10 = 4/5

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3 years ago

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