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mash [69]
3 years ago
6

Solve by Substitution. 3x+2y=-4 y=4x-2

Mathematics
2 answers:
qwelly [4]3 years ago
8 0

x=0

y=-2

You'd put them in an ordered point, so (0,-2).

morpeh [17]3 years ago
8 0

X=8/11  Y= 9/10  

There are your answers

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SEE QUESTION IN IMAGE
Pavel [41]

Answer:

<h3>23</h3>

<u>Data is:</u>

  • 5, 6, 7

<u>Mean:</u>

  • (5 + 6 + 7)/3 = 6

<u>Standard deviation:</u>

  • σ = \sqrt{((5 - 6)^2+(6-6)^2+(7-6)^2)/3} = \sqrt{2/3}

Correct choice is d

<h3>24</h3>

<u>Data is:</u>

  • -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5

<u>Mean:</u>

  • (-5 -4 - 3 - 2 - 1 + 0 + 1 + 2 + 3 + 4 + 5)/11 = 0

<u>Standard deviation:</u>

  • σ = \sqrt{((-5)^2+(-4)^2+(-3)^2+(-2)^2+(-1)^2+0^2+1^2+2^2+3^2+4^2+5^2)/11} =  \sqrt{10}

Correct choice is d

<h3>25</h3>

<u>Data is:</u>

  • 3, 4, 5, 6, 7

<u>Mean is:</u>

  • 5

<u>Standard deviation:</u>

  • σ = \sqrt{((3-5)^2+(4-5)^2+(5-5)^2+(6-5)^2+(7-5)^2)/5} =  \sqrt{2} ≈ 1.4

Correct choice is d

5 0
3 years ago
3) Solve the system of equations using elimination<br> -9y + 4x - 2 = 0<br> 12x - 5y + 38 = 0
timofeeve [1]
The answer is X= -4 Y=-2
7 0
3 years ago
URGENT: Which of the following shows the polynomial below written in descending order?
Y_Kistochka [10]
B
Hope this was helpful
3 0
3 years ago
Solve the addition equation by finding a common multiple. One third plus four sixths plus six eighteenths equals blank
kirza4 [7]
Answer: c


Explanation: it’s c I’m pretty sure
6 0
3 years ago
Read 2 more answers
Determine the solution for the equation.
Ilya [14]
Answer:
2^4=16
Hope i helped
6 0
3 years ago
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