Again you don’t need to answer all of them but if you can do some that would be wonderful!
2 answers:
Answer:
17) x=7
18) x= -26
19) x= -8
20) x= 6
Step-by-step explanation:
17) is congruent
18) is supplementary
19) is congruent
20) is congruent
Answer:
Q17. 6x+8=50 (alt angles, u//v)
6x=50-8
=42
x=42÷6
=7
Q18. 80°+x+106°=180° (int angles, u//v)
x+186°=180°
x=180°-186°
=-6
Q19. x+68=60 (vert opp angles)
x=60-68
=-8
Q20. 20x=120°
x=120÷20
=10
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8x + 7
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I think it can be C. but then again who am i
Answer:
firstly you know the term of multiplication
like 5*2=10 ,10*2=20, 20*2 =40 and 40*2 =80
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