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Andreyy89
3 years ago
9

1. X - 9 = 20

Mathematics
1 answer:
Verizon [17]3 years ago
3 0

1. x=29

2. x=15

3. y=4

4. y=2

5. x=4

6. x=-21

7. y=63

8. x=12

9. x=-6

10. y=7

11. y=6

12. x=28

13. y=5

Hope it helps......

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Find value of the variables#7
RideAnS [48]
Because of exterior angles theorem, y=39+65, so y=104
x and y are a linear pair, so they add up to 180. x=180-104, x=76
all angles in a triangle add up to 180, so 21+104+z=180. therefore, z=55

y=104
x=76
z=55
3 0
3 years ago
HELP 1/7z+2=-6/7z what’s the solution set please send help I’m suffocating under homework
Snezhnost [94]

Isolate the z. Note the equal sign. Subtract 1/7z to both sides

1/7z (-1/7z) + 2 = -6/7z (-1/7z)

2 = -6/7z - 1/7z

Simplify. Combine like terms

2 = -7/7z

2 = -1z

Isolate the z. Divide -1 from both sides

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8 0
3 years ago
Can you please find the zeros for<br> F(x)=2x^4+17x^2+8?
harina [27]
2x⁴+17x²+8

Let X = x²     →→(x = + or -√X )

The quadratic becomes : 2.X² + 17.X + 8. Now solve for X:

X' = [-b+√(b²-4ac)]/2a             and      X" = [-b-√(b²-4ac)]/2a   
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X' = -1/2   and X" = - 8
Since X = √x → →X' = √( -1/2) [imaginary roots]
and X" = √-8 →→ X" = 2√-2  [imaginary roots]
Then:

1st ROOT: X' = - √1/2.i  
2nd ROOT: X" = + √1/2.i
3rd ROOT: X" = + 2√2.i
4th ROOT: X" = - 2√2.i


4 0
3 years ago
Giving brainily whoever gets it right.
worty [1.4K]

Answer:

136 i believe

Step-by-step explanation:

6 0
2 years ago
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iren2701 [21]
31.05 could be that be the answer cause the payments were equal

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