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Lorico [155]
3 years ago
6

What is an equation of the line containing the points (-1,5) and (3,9)​

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
3 0

Answer:

  y = x+6

Step-by-step explanation:

You can find an equation by using the 2-point form of the equation for a line:

  y = (y2 -y1)/(x2 -x1)·(x -x1) +y1

Filling in the given values, we have ...

  y = (9 -5)/(3 -(-1))·(x -(-1)) +5

  y = (4/4)(x +1) +5 . . . . simplifying a bit

  y = x +6

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How to write this in slope-intercept form? 8x + 10y = 40
worty [1.4K]

Answer:y=-4/5x+4

Step-by-step explanation:

4 0
3 years ago
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If AB=BC,AB=4=4x-2,andBC=3x+3,fine the length of AB
laila [671]

Answer:

18

Step-by-step explanation:

First, I'm assuming AB=4=4x-2 was a typo and it's supposed to be AB = 4x - 2

AB=BC

AB = 4x - 2 BC = 3x + 3

4x - 2 = 3x + 3

Solve for x Add 2 to each side

4x - 2 = 3x + 3

4x - 2 + 2 = 3x + 3 + 2

4x = 3x + 5 Subtract 3x from each side.

4x - 3x = 3x- 3x + 5

4x - 3x = 5

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Now plug back in to the original equations

AB = 4x - 2                  BC = 3x + 3

AB = 4 (5) - 2               BC = 3(5) + 3

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AB = 18                        BC = 18

So AB is 18

3 0
3 years ago
The figure below shows a trapezoid, ABCD, having side AB parallel to side DC. The diagonals AC and BD intersect at point O.
Elan Coil [88]
The answer should be A. half of the length of AB.
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3 years ago
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The amount Kenyon earns on the sale of a car can be represented by the equation E (p) = 250 +0.02p where E(p) represents the tot
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Answer:

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2) The purchase of the car is $24,790.

Step-by-step explanation:

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2 years ago
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The answer is D.

7 0
3 years ago
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