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salantis [7]
3 years ago
6

You solve a system of two linear equations by substitution. Your work results in a third equation, which leads you to conclude t

hat the system has infinitely many solutions. Which of the following could be the third equation?
a) 6=9
b) 5x+3=2
c) 4y-2=6
b) 2=2
Mathematics
2 answers:
stira [4]3 years ago
5 0
I believe it will be C
klasskru [66]3 years ago
3 0
I believe it will be C
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Harlamova29_29 [7]
<h3>#End behaviour:-</h3>

#1

  • Left:-Rise
  • Right:-Fall

#2

  • Left:-Rise
  • Right:-Fall

<h3>#Degree:-</h3>

Find nodes

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#2

It's a parabola so it's the graph of a quadratic equation.

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<h3>Real zeros</h3>

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3 0
2 years ago
17. Solve for x. *<br> 21x + 5<br> 40°<br> 13.r + 5
Svet_ta [14]

Answer:

first =−0.203

second =1.369

Step-by-step explanation:

Another Answer is Futile

6 0
3 years ago
What is 3/8x-12+-6 ?
Cloud [144]

Answer:

-10.5 is 3/8x-12+-6 answer

6 0
2 years ago
Solve w + (-2) = -18 for w<br><br> (10 pts, Correct gets brainliest!)
loris [4]

Answer:

w = -16

Step-by-step explanation:

w + (-2) = -18

Add 2 to each side

w-2+2 = -18+2

w = -16

6 0
3 years ago
I think I know this much so far for A (but I could be wrong):
Eduardwww [97]
Part A. You have the correct first and second derivative.

---------------------------------------------------------------------

Part B. You'll need to be more specific. What I would do is show how the quantity (-2x+1)^4 is always nonnegative. This is because x^4 = (x^2)^2 is always nonnegative. So (-2x+1)^4 >= 0. The coefficient -10a is either positive or negative depending on the value of 'a'. If a > 0, then -10a is negative. Making h ' (x) negative. So in this case, h(x) is monotonically decreasing always. On the flip side, if a < 0, then h ' (x) is monotonically increasing as h ' (x) is positive.

-------------------------------------------------------------

Part C. What this is saying is basically "if we change 'a' and/or 'b', then the extrema will NOT change". So is that the case? Let's find out

To find the relative extrema, aka local extrema, we plug in h ' (x) = 0
h  ' (x) = -10a(-2x+1)^4
0 = -10a(-2x+1)^4
so either
-10a = 0 or (-2x+1)^4 = 0
The first part is all we care about. Solving for 'a' gets us a = 0. 
But there's a problem. It's clearly stated that 'a' is nonzero. So in any other case, the value of 'a' doesn't lead to altering the path in terms of finding the extrema. We'll focus on solving (-2x+1)^4 = 0 for x. Also, the parameter b is nowhere to be found in h ' (x) so that's out as well. 
6 0
3 years ago
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