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MAVERICK [17]
3 years ago
7

What is the sum of -7 and its additive inverse?

Mathematics
1 answer:
Virty [35]3 years ago
3 0

Answer:

The sum of a number and its additive inverse is equal to 0.

Step-by-step explanation:

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Which equation represents the axis of symmetry of the function y= -2x^2 + 4x -6?
daser333 [38]

Answer:

The axis of symmetry is on x = 1

Step-by-step explanation:

When you graph the function, the vertex is at (1,-4). This means that the axis of symmetry is at x = 1

If this answer is correct, please make me Brainliest!

7 0
3 years ago
Breann solved the system of equations below. What mistake did she make in her work? 2x + y = 5 x − 2y = 10 y = 5 − 2x x − 2(5 −
goldfiish [28.3K]

Answer:

No mistake

Step-by-step explanation:

2x + y = 5

x - 2y = 10

y = 5 - 2x

x - 2(5 - 2x) = 10

x - 10 + 4x = 10

5x - 10 = 10

5x = 20

x = 4

2(4) + y = 5

y =  -3

She made no mistake

You can check by plugging in x = 4 and y = -3 into the original equations . They fit exactly.


5 0
3 years ago
50 points! Please help me
Inga [223]

Answer:

x = 8

y = 14

Step-by-step explanation:

2x + 6 = 4x - 10 (Corresponding angles so they're equal)

2x - 4x = -10 - 6

-2x = -16

x = 8

2x + 6 + 13y - 24 = 180 (Supplementary angles so they add up to 180)

2(8) + 6 + 13y - 24 = 180

16 + 6 + 13y - 24 = 180

13y - 2 = 180

13y = 182

y = 14

6 0
2 years ago
What is the slope for 4y-2x=8
oksian1 [2.3K]

Answer:

1/2

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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rosijanka [135]
It’s either 11.25 or 27.75. Next time please show the answer choices too!
3 0
2 years ago
Read 2 more answers
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