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olga55 [171]
3 years ago
7

PLS HELP HURRYYY (100 POINTS)

Mathematics
2 answers:
Gnoma [55]3 years ago
7 0

Answer:

I think that the selected answer is correct

Step-by-step explanation:

Mnenie [13.5K]3 years ago
4 0

Answer:

Its step 3 which needs correction.

Step-by-step explanation:

step 3 is deeply a mistake, the step 3 correction is correct that the total sum of interior angles which is 180 degrees is equal to the angle of total straight line angle. Step 2 is correct that when angle m plus angle p sums, they mix up to 180 degrees and its adjacent supplementary angles.

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Troyanec [42]

Answer:

x = 6

Step-by-step explanation:

If A, B and C lies on a straight line in order, then;

AB+BC = AC

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x+2x+12-4 =26

3x+8 = 26

3x = 26-8

3x = 18

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Hence the value of x is 6

4 0
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Since p = x² - 7, you can substitute/plug in p for x² - 7

So:

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