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MArishka [77]
3 years ago
11

Which of the following expressions are equivalent to x−(−x)+y

Mathematics
2 answers:
Sonbull [250]3 years ago
6 0

Answer:

C.  None of the above.

Step-by-step explanation:

x − (−x) + y

x + x + y

=  2x + y.

blondinia [14]3 years ago
4 0
Answer is none of the above
bcz ...

=x-(-x)+y

=x+x+y.....since '-' multiplied by '-' gives '+' ...

=2x+y//

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Liula [17]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
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Can someone help me with the question in the image if its right will mark as brainliest
mrs_skeptik [129]

Answer: 14.4

Step-by-step explanation:

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6 0
3 years ago
∆ABC is reflected about the line y = -x to give ∆A'B'C' with vertices A'(-1, 1), B'(-2, -1), C(-1, 0). What are the vertices of
blsea [12.9K]
Hi there!
Reflections across the line y = -x always go by the rule (-y, -x). We can use this rule to get our answer here. We are given the aftermath of the reflection coordinates, which are <span>A'(-1, 1), B'(-2, -1), and C'(-1, 0). All we have to do now is switch up the coordinate values and multiply them by -1. Here is the work - 
A'(-1, 1) => (1, -1) => x -1 => A(-1, 1)
B'(-2, -1) => (-1, -2) => x -1 => B(1, 2)
C'(-1, 0) => (0, -1) => x -1 => C(0, 1)
Therefore, the coordinates of Triangle ABC are A(-1, 1); B(1, 2); C(0,1). Hope this helped and have a phenomenal day!</span>
6 0
4 years ago
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NEED ANSWER ASAP ONLY 4 min
tensa zangetsu [6.8K]

Answer:

A

Step-by-step explanation:

-4x-10≤2

-4x≤12 Add 10 on both sides

-x≤3 Divide by 4 on both sides

x≤-3 put a negative on both sides

Hope this helps :D Please mark brainliest if correct :D

3 0
3 years ago
Read 2 more answers
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