Answer:
n=11
Step-by-step explanation:
19+n=30
n=30-19
n=11
The third one, because statistical questions have variables that can change
Answer: 9. n = 2 19/20 10. n = 2 1/12
Step-by-step explanation: 3 2/10-1/4 = n 32/10−1/4 32/10+−1/4 16/5+−1/4 64/20+−5/20 n = 59/20 n = 2 19/20 2 5/6-3/4 = n 17/6-3/4 17/6+-3/4 34/12+-9/12 n = 25/12 n = 2 1/12
Answer:
B
Step-by-step explanation:
Law of Quadrilaterals.
I think this is correct, how it helps.