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crimeas [40]
2 years ago
7

Solve the equation using either guess-check-and-improve or backtracking.

Mathematics
1 answer:
Dvinal [7]2 years ago
3 0
I think the answer is D. If I’m wrong sorry
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Help ASAP math homework no spam links or i will report
max2010maxim [7]

Answer:

x = \frac{19-2y}{3}

y=-\frac{3x+19}{2}

Step-by-step explanation:

4x + y = 22

y = x - 3

4x + y + y = 22 + x - 3

4x + 2y = 19 + x

4x - x + 2y = 19 + x - x

3x + 2y ÷ 3 = 19 ÷ 3

x = \frac{19-2y}{3}

y=-\frac{3x+19}{2}

3 0
2 years ago
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Why aren't theories considered absolute truths?
Whitepunk [10]
They are not absolutely truths because they are not found to be truth of false they are things that are only a thing carried over they years and not know if they are the truth or if they are false
6 0
3 years ago
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HELP 15 POINTS<br> Write a rule for the nth term of the sequence. Then find a20 -<br> 51,48,45,42
garri49 [273]

Answer:

45 because it is what I think

7 0
3 years ago
N a​ triangle, the measure of the first angle is twicetwice the measure of the second angle. the measure of the third angle is 6
11111nata11111 [884]
2x+x+x+68=180                          
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x=28

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I hope that helps.

6 0
3 years ago
Angles DAB measure (4x-2) and angles BCD measures 47 degrees.find x
love history [14]
Forgive me but they deleted my answer for it did not have any work to be shown providing you know how to do Algebra you get X= 12 as your outcome. <span />
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3 years ago
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