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alisha [4.7K]
2 years ago
12

Someone plz help me

Mathematics
1 answer:
Mashcka [7]2 years ago
7 0

Answer:

13

------

28

I think that's the answer

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Solve each system by substitution <br> 5x + 7y = -23<br> Y = -2x - 11
Alenkasestr [34]

Answer:

x = −6

Explanation:

5x + 7y = -23

Y = -2x - 11

Substitute -2x - 11 for y in 5x + 7y = -23

5x + 7(−2x − 11) = −23

Simplify both sides of the equation

5x + 7(−2x − 11) = −23

5x + (7)(−2x ) + (7)(−11) = −23 (Distribute)

5x + −14x + −77 = −23

(5x + −14x) + (−77) = −23 (Combine Like Terms)

−9x + −77 = −23

−9x − 77 = −23

Add 77 to both sides

−9x − 77 + 77 = −23 + 77

−9x = 54

Divide both sides by -9

−9x / -9 = 54 / -9

x = -6

6 0
3 years ago
1)<br> I<br> I<br> ? 20-<br> A) 999<br> C) 1219<br> B) 39°<br> D) 1020
WITCHER [35]

Answer:

C

Step-by-step explanation:

\angle{VUW} = 180 - 141 = 39

\angle{WVU} = 180 - (20 + 39) = 121

Answer: 121

8 0
3 years ago
If the volume of a cube is 27 metre cube find one of side​
Irina-Kira [14]
All the sides are 3 since volume is L*W*H you get 3*3*3 = 9*3 = 27
8 0
2 years ago
How do i graph 2y=1/2x+10 using slope intercept form
sergij07 [2.7K]
2y=1/2x+10
divide by two
y=1/4x+5
3 0
3 years ago
Helpppppppppppppppppppppppp
motikmotik

Answer:

1A, 2C, 3X, 4A, 5B, 6W, 7X

Step-by-step explanation:

Im not sure about these answers, can you have the same letter for a different number?

5 0
3 years ago
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