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lawyer [7]
3 years ago
13

What is a quadrilateral?

Mathematics
2 answers:
Brut [27]3 years ago
8 0
A four-sided shape/figure
QveST [7]3 years ago
7 0
A quadrilateral is any four-sided figure with four straight lines. Hope this helps! :-)
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ΔABC was dilated from point A to get ΔADE. Find the length of AD given a scale factor of 4.
rewona [7]

Since triangle ADE is similar to triangle ABC and the scale factor is 2, the following relation must be fulfilled:

\frac{AD}{AB}=4

The, by substituting the given information, we have

\begin{gathered} \frac{6x-8}{x+2}=4 \\  \end{gathered}

By multiplying both sides by x+2, we get

6x-8=4(x+2)

which gives

6x-8=4x+8

Then, by subtracting 4x to both sides, we have

2x-8=8

and by adding 8 to both sides, we obtain

2x=16

then, x is given by

x=\frac{16}{2}=8

Then, by substitutn

6 0
1 year ago
Select ALL statements that show correct reasoning for finding 15 divided by 2/9.
dalvyx [7]
The answer is (B) multiply 15 by 9, then divide by 2
Explanation
15 divided by 2/9 equals 67.5 and answer B equals 67.5 because 15 times 9 is 135 then 135 divided by 2 equals 67.5
7 0
2 years ago
25 points!! Will give Brainliest!! Help please!!!
fredd [130]
What I did for this question is I set up ans equation. 5x-7 + 3x+11 = 180 and I added the Xs and and I added 11 to -7. Then I got 8x+4=180. I then "-4" on both sides and then divided 8 by 176. Getting X as 22. We now know X and we put 22 into the equation for D which is "3x+11" getting 77 degrees. Hope this helped!
6 0
3 years ago
Can someone pls help me
Ugo [173]
3*circle= 12
circle=4 <=======

Plug circle value in
diamond+2= 5*(4)
diamond+2=20
diamond=18 <=====

Plug circle and diamond value in
2(4)=18+2*triangle
8=18+2*triangle
-10=2*triangle
-5= triangle <=======
3 0
3 years ago
How am I going to estimate that if I don't know the size of the door? Heeeelp please
wolverine [178]

C) 5. Doors are about 6 feet and 9.4m is roughly the equivalent of 30 feet. So 6 x 5 = 30

3 0
2 years ago
Read 2 more answers
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