Answer:
a) When x = 2, y = 0
and when x = 3, y = 4
b) curve C
c) 2 and -1
Step-by-step explanation:
Step-by-step explanation:
If the order of the cards doesn't matter:
₅₂C₅ = 52! / (5! (52−5)!)
₅₂C₅ = 2,598,960
If the order of the cards does matter:
52 × 51 × 50 × 49 × 48 = 311,875,200
Answer:
21 students per teacher
10 students per tutor
10 tutors needed for 110 students
Step-by-step explanation:
84 ÷4=21
30÷3=10
110÷10=10
Using the sum (addition) and two 2-digit addends, 12 + 34 can be answered without regrouping.
