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Travka [436]
3 years ago
12

X-y=6 and x=y-2; solve by substitution

Mathematics
2 answers:
Novay_Z [31]3 years ago
6 0

Answer: No Solution


Step-by-step explanation: You plug in x=y-2 into x-y=6. So the problem would be rearranged into (y-2)-y=6. When done correctly the y's cancel out making it a no solution.


IceJOKER [234]3 years ago
3 0

The solution is  

x

=

4

,

y

=

2

Explanation:

x

+

y

=

6

....equation  

1

x

−

y

=

2

.......equation  

2

Solving by elimination.

Adding equations  

1

and  

2

x

+

y

=

6

x

−

y

=

2

2

x

=

8

x

=

4

Finding  

y

by substituting  

x

in equation  

1

x

+

y

=

6

y

=

6

−

x

y

=

6

−

4

y

=

2Step-by-step explanation:


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Nimfa-mama [501]

Answer:

-6634

Step-by-step explanation:

(5m)² - (2n-3m)³ if m=-3 and n=5

= (5 * (-3))^2 - (2 * 5 - 3 * (-3))^3

= (-15)^2 - (10 - (-9))^3

= 225 - (19)^3

= 225 - 6859

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Answer:

D

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5

10

Step-by-step explanation:

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3 0
2 years ago
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PLEASE HELP I WILL MARK THE BRAINLIEST
-BARSIC- [3]

Given: lines l and m are parallel, and line t is a transversal.

angle pair result/justification

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6 and 8 are equal (corresponding angles)

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Note:

alternate angles are on opposite sides of the transversal, and each attached to a different (parallel) line.

If they are both enclosed by the parallel lines, they are alternate interior angles (examples: angles 2 and 3, 6 and 7)

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8 0
2 years ago
Read 2 more answers
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AlekseyPX

Answer:

E.  5

Step-by-step explanation:

Let's rewrite the equation in the form of y=mx+b, where m is the slope and b is the y-intercept (the value of y when x = 0).

2x + y = 5

y = -2x+5

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See attached graph.

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