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Sedbober [7]
3 years ago
8

Find the value of x so that the quadrilateral is a parallelogram.

Mathematics
1 answer:
Lelu [443]3 years ago
8 0

Answer:

46

Step-by-step explanation:

It must be the same as the angle opposite of it.

You can see that 134 and 134 are the same, so the other two corners need to be the same and be 46 and 46.

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If 9 were subtracted from three times a number, the result would be the same as if 4 were added to twice the number. what is the
amid [387]
3x-9=2x+4
3x-9+9=2x+4+9
3x=2x+13
3x-2x=2x-2x+13
x=13
Check:
3(13)-9=2(13)+4
39-9=26+4
30=30
4 0
3 years ago
Find the volume of a cylinder with height 12 cm and diameter 7 cm.
Svet_ta [14]
<span>461.81 cm^3 .................................</span>
3 0
2 years ago
I need help with the question above. Pls help.
FinnZ [79.3K]

Answer:

What do you want us to answer?

Step-by-step explanation:

8 0
3 years ago
Solve the system using elimination.<br> y=-x-3<br> y=x2-15
Phoenix [80]

Answer:

X=4, y=-7

Step-by-step explanation:

To use elimination method, you want to cancel x or y when adding the equations together. So let’s multiply the first equation by -2

2(y)=2(-x-3)

2y=-2x-6

——————

add above equation 2y=-2x-6

to second equation    Y=2x-15

add together.           3y=-21

                                   Y=-7

—————————————-

solve for x by substituting y value (7) into either equation

y=-x-3

-7=-x-3

-4=-x

4=x

7 0
2 years ago
20 points! plz help me
AveGali [126]
2a + 3 + a = 180
      - 3           - 3

2a + a = 177

3a = 177
----    ----   =   59
 3       3

59 is a.

8 0
3 years ago
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