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Kazeer [188]
3 years ago
13

A teacher graphs a system of equations using the lines shown and asks four students to write down the coordinates representing t

he solution to the system.
Based on the graph, which student’s ordered pair represents the solution to the system of equations?

A. (3, 2)

B. (2, 3)

C. (0, 5)

D. (0, -1)

Mathematics
1 answer:
inessss [21]3 years ago
3 0
I think it's B, (2,3)
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-3x-3y=3<br> y=-5x-17 <br> Substitution<br> Plz help if you can I would appreciate it
arsen [322]
First substitute the second equation into the first one: 
-3x - 3(-5x - 17) = 3 
Next distribute the parenthesis: 
-3x + 15x + 51 = 3 
Then combine like terms: 
12x + 51 = 3 
Now subtract 51 from each side: 
12x = 48 
Lastly to get x, divide each side by 12: 
x = 4 
Now put this into the second equation: 
y = -5(4) - 17 
Multiply: 
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And subtract: 
y = -37 
The solution is (4,-37). Hope this helps!
3 0
3 years ago
What are the steps I need to do to get the answer?
Margaret [11]

Answer:

B. 10.9

Step-by-step explanation:

Area of triangle= 1/2*24*h

∠N=90° ⇒ Area of triangle= 1/2*MN*ON

MN²= h²+(24-7)²

ON²= h²+7²

  • 24h=MN*ON
  • 24h= √h²+(24-7)²*√h²+7²
  • (24h)²=(h²+17²)(h²+7²)
  • h²=k
  • 576k=k²+289k+49k+289*49
  • k²-238k+14161=0
  • k=119
  • h²=119
  • h=√119= 10.9

8 0
3 years ago
Simplify the radical expression.<br><br> square root of 128
neonofarm [45]
The square root of 128 is 11.3
4 0
3 years ago
Probability question 25 points
34kurt

9514 1404 393

Answer:

  0.09

Step-by-step explanation:

The probability of the complement of A is the difference between 1 and P(A):

  P(A^c)=1-P(A)=1-0.91\\\\\boxed{P(A^c)=0.09}

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It is 12 liters. 2.75 gallons is approximately 10.41 liters and 12 liters is more than 10.41 liters.
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