As a result of parallel lines being intersected by a transversal, through corresponding angles...
21x+5=20x+11
x=6
21x+5=21(6)+5=131
Answer: D
X<-5 and x>5 do not intersect, so they do not have any number in common, so we say they are disjoint, so the answer is empty , denoted with the symbol Ф
Answer:
It should be C
Step-by-step explanation:
Answer:
78 boys
Step-by-step explanation:
If the raio is 2:3 that means there are 5 equal parts
56/2 28
3 x 28 = 78
Answer:
B) 24
Step-by-step explanation:
- 3×10 - 2(12 - 9)
- 3 × 10 - 2× 3
- 30 - 6=24
