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Tanzania [10]
3 years ago
9

What is the solution to the system of equation

Mathematics
1 answer:
maksim [4K]3 years ago
4 0

Answer:

D. (2 , 1)

Step-by-step explanation:

STEP 1: Replace all occurrences of y with -3x+7 in each equation.

-x+14=12\\y=-3x+7

STEP 2: Solve for x in the first equation.

x=2\\y=-3x+7

STEP 3: Replace all occurrences of x with 2 in each equation.

y=1\\x=2

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Answer:

None

Step-by-step explanation:

The information is already enough to prove that the triangles are congruent.

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icang [17]

Answer:

CD ≠ EF

Step-by-step explanation:

Using the distance formula

d = \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2    }

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

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Repeat using (x₁, y₁ ) = E(- 4, - 3) and (x₂, y₂ ) = F(- 1, - 1)

EF = \sqrt{(- 1+4)^2+(-1+3)^2}

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Since \sqrt{17} ≈ \sqrt{13} , then CD and EF are not congruent

     

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(1, 3) and (-3, -5)<br> write a linear equation given the two points
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Answer:

y = 2x + 1

Step-by-step explanation:

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2. Find the y-intercept (b) using  the slope intercept formula: y = mx + b

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