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e-lub [12.9K]
3 years ago
8

For what value of x must ABCD be a parallelogram? asap please!!

Mathematics
2 answers:
pochemuha3 years ago
3 0
Parallelogram so
CD = AB
18x - 5 = 15x + 4
3x = 9
  x = 3

answer
x = 3
nalin [4]3 years ago
3 0

Answer:

x = 3

Step-by-step explanation:

In a parallelogram, opposite sides have the same length. Then:

segment DC = segment AB

and

segment DA = segment CB

Replacing with data from the picture, we get:

18*x - 5 = 15*x + 4

18*x - 15*x = 4 + 5

3*x = 9

x = 9/3

x = 3

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Answer:

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Step-by-step explanation:

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3 years ago
Find the slope of the line passing through the points (8,-6) <br> and (4,-8)<br> .
Murljashka [212]

Answer:

1/2 is the slope of the line

Step-by-step explanation:

To find slope, use the following equation

slope (m) = (y₂ - y₁)/(x₂ - x₁)

First, set each coordinate. Let:

(x₁ , y₁) = (8 , -6)

(x₂ , y₂) = (4 , -8)

Plug in the corresponding numbers for the corresponding variables.

m = (y₂ - y₁)/(x₂ - x₁)

m = (-8 - (-6))/(4 - 8)

Simplify. Note that two negative signs would result in a positive sign.

m = (-8 + 6)/(4 - 8)

Combine like terms.

m = -2/-4

Simplify. Divide common factors from both the numerator and denominator.

m = (-2/-4)/(-2/-2) = 1/2

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4 0
3 years ago
Which of these graphs is the solution set for the equation y = -3x - 2?
Gala2k [10]
A because y=-3x-2 has these transformations
The negative before the 3 means the slope is going down
The 3 means it goes 3 down every time it goes right one, the number before the x is the slope and slope is rise over run, 3 = 3/1 so it would normally mean it goes up 3 every time it goes right one but because the 3 is negative it means the line goes down
The negative two at the end moves the line down two, if it were plus two the line would go up two, the number in this spot is what determines the vertical translation

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3 years ago
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irakobra [83]

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Step-by-step explanation:

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3 years ago
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Remember the order of operations. The first step in this problem will be to solve the exponent. 

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(2x)^3 = 2^3 * x^3 = 8x^3

Now multiply that answer by 4 to finish simplifying.

8x^3 * 4 = 32 x^3 

Your answer should be: 32x^3
3 0
3 years ago
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