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wlad13 [49]
3 years ago
9

First one 11 12 23 1 Second one 11 12 23 1

Mathematics
1 answer:
Kazeer [188]3 years ago
5 0

Answer:

Step-by-step explanation:

AD is 11 and BC is 12. We know this because AD and BC are parallel, as well as AB and DC. This means all the right triangles are congruent. I hope you understand. Let me know if you need more explanation! Please mark brainliest if correct, too.

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Help answer these two pretty please
4vir4ik [10]

Answer:

none of these triangles are similar

Step-by-step explanation:

for a triangle to be similar, they have to have the same angle measures

4 0
3 years ago
Read 2 more answers
-9 more than a number results in -20
damaskus [11]

Answer:

-9+x=-20

Step-by-step explanation:

I am not so positive on this one, but if you are not doing inequalities, then this should be correct.

"More than" would insinuate that you are adding. In this class, you would have a number to replace that x, but since no number was given, you place the x in its place. x=-11, because when you "add" -9 with something to get -20, it would have to be -11. Negative numbers can be confusing because when you subtract a negative number by another negative, you end up with a negative. Like in this case. Normally, you would just put -11, so it would look like -9 - 11 = -20. But since this says "more than", unless you are doing inequalities, you add.

If you are doing inequalities, then your answer should be this:

-9 > x = -20

I hope this helps!

-No one

4 0
3 years ago
What is the solution of the system
Fantom [35]
Y-2x=8
16+4x=2y
Rearrange the first equation equal to y
Y=2x+8
Sub the rearranged equation into the second equation and solve for x
16+4x=2(2x+8)
16+4x=4x+16
16-16=4x-4x
0=0
There would be no solution
Hope this helps!
8 0
4 years ago
Read 2 more answers
Solve the system by the elimination method.
joja [24]

Answer: B

Step-by-step explanation:

YOU MINUS 4 -4 WHICH IS -8 SO ITS B

8 0
4 years ago
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Which equation does not represent a quadratic function?
Mandarinka [93]

Answer:

d

Step-by-step explanation:

i quadratic function has to have ^2 and in answer d there is no square

3 0
3 years ago
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