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Archy [21]
4 years ago
6

ABCD is a rectangle on a coordinate grid with side AB parallel to side CD and side BC parallel to side AD. If the slope of side

AB is 2/7, what is the slope of side BC?
Mathematics
2 answers:
fiasKO [112]4 years ago
8 0

Answer:

<h2>The slope of BC is -7/2.</h2>

Step-by-step explanation:

<h3>Givens</h3>

ABCD is a rectangle.

AB \parallel CD

BC \parallel AD.

m_{AB} =\frac{2}{7}

We know that AB \perp BC and CD \perp AD, by definition of rectangle.

Additionally, m_{AB} \times m_{BC}=-1, by condition of perpendicularity.

Replacing, we have

\frac{2}{7}  \times m_{BC}=-1\\ m_{BC}=-\frac{7}{2}

Therefore, the slope of BC is -7/2.

sashaice [31]4 years ago
4 0
The answer would be 2/7
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1 year ago
4d + 3 - d + c Simplified Answer-Type Answer Here,​
rosijanka [135]
4d + 3 - d + c

Sum together everything that has the same letters:

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Put this answer into the question:

3d + 3 + c

That’s your answer as there is no further working we can do! :)
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3 years ago
Algebra Find the volume of the three-dimensional figure in terms of x.
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3 years ago
Help with math homework. I'll mark you as brainiest!
lorasvet [3.4K]
For the living room one, you have an 11' wall, & a 2' 6" shelf.
First, we'll divide the length of both in half:
5' 6" wall, 1' 3" shelf
Now, subtract the two:
4' 3"
That's how far away the edge of the shelf needs to be from either corner of the wall to be centered.

For the second one:
We need to get all these numbers into the same formatting. I say we go fraction.
First guy got 13 out of 18
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Third guy got 5/6
Ok, first, we'll turn .7 repeating into a fraction. This won't always work, because not all decimals will turn into a nice fraction. But this one will.
.7 (repeating) = 7/9
So we have:
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5/6
Now, we can't compare these quite yet. They all need to have the same denominator. So, what's the LCM of the three denominators? 18, right?
The first one can be left alone, since it has a denominator of 18 already. The second one: multiply both numbers by 2, and we get 14/18. For the third: multiply everything by 3, and we get 15/18.
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5 0
4 years ago
Which ordered pair represents the y-intercept of the graph of the equation y = - 4 x - 7 ?​
Degger [83]

Answer:

(0, -7)

Step-by-step explanation:

Since -4x is the slope, then -7 is the y-intercept.

For finding y intercept we substitute x=0

y = -7

The ordered pair would be

(0,-7)

hope this helps and is right. p.s. i really need brainliest :)

4 0
3 years ago
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