Answer:
ab(28) or 28ab
Step-by-step explanation:
13ab + 15ab = 28ab
It is the difference between the third and the first quartile
X+(3x+4)=72
4x+4=72
4x=68
X=17
Answer:
x=15, y=19
Step-by-step explanation:
Answer:
Step-by-step explanation:
1. the formula is: p=(number_of_numbered_cards)/(total_number_of_cards);
2. the number of total numbers of the cards is 52 (according to the condition); the number of the numbered cards is:
4*(10-2+1)=36 (min is '2'; max is '10').
3. after the substitution:
p=36/52=9/13≈0.692