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12345 [234]
4 years ago
13

X+2y = −4 I forgot how to do the problem

Mathematics
2 answers:
enot [183]4 years ago
7 0
Solving for X it would be
X=-4-2y
Solving for Y it would be
Y=-2-x/2
Zarrin [17]4 years ago
5 0

Answer:

x= -6 y=1

Step-by-step explanation:

You might be interested in
Solve 3x - 4 ≤ 2 or 2x + 11 ≥ -1
Rufina [12.5K]
1.) 3x -4 <_ 2
Add 4 to both sides.
-4 + 4 = 0
2 + 4 = 6
3x <_ 6
Divide both sides by 3.
3x / 3 = x
6 / 3 = 2
x <_ 2 is your answer for the first inequality.

2.) 2x + 11 _> -1
Subtract 11 from both sides.
11 - 11 = 0
-1 -1 = -2
2x _> -12
Divide both sides by 2.
2x / 2 = x
-12 / 2 = -6

x _> -6 is your answer for the second inequality.

I hope this helps!
5 0
3 years ago
The run times of a marathon runner are approximately normally distributed. The z-score for his run this week is – 2 . Which one
marissa [1.9K]

Answer:

2 standard deviation under his average time

Step-by-step explanation:

6 0
3 years ago
What was Russian revolution ???<br>.<br>.<br>.<br>​
Aneli [31]

Step-by-step explanation:

Russian Revolution, also called Russian Revolution of 1917, two revolutions in 1917, the first of which, in February (March, New Style), overthrew the imperial government and the second of which, in October (November), placed the Bolsheviks in power

5 0
3 years ago
Read 2 more answers
So i don’t really like using my brain right now but if someone could help me that would be awesome :-)
Alborosie

Answer: 10 or 6 I believe

Step-by-step explanation:

1.5*10=15

2.5*6=15

6 0
2 years ago
Help me!! show work pls
Kobotan [32]

Answer:

17.2

Step-by-step explanation:

We need to use the law of sines

sin A           sin B

------------ = ----------

a                   b

sin 25           sin 27

------------ = ----------

16                   x

Using cross products

x sin 25 = 16 sin 27

Divide each side by sin 25

x = 16 sin 27 / sin 25

x =17.18772863

Rounding to the nearest tenth

x = 17.2

7 0
4 years ago
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