Answer:
10y-12
Step-by-step explanation:
Answer:
4/21
Step-by-step explanation:
I got the first probability and the second probabilty then multiplied them together.
Answer:
x² + y² = 85
Step-by-step explanation:
Using the expansion
(x - y)² = x² + y² - 2xy , then
x² + y² - 2xy = (x - y)² ( add 2xy to both sides )
x² + y² = (x - y)² + 2xy ← substitute given values
= 9² + 2(2)
= 81 + 4
= 85
Answer:
0.06
Step-by-step explanation: