-2a from both sides then divide by -5 and a=1
Answer:
190 possibilities.
Step-by-step explanation:
The problem is called 20 choose 2, given by the formula for combinations
C(20,2) = 20! / (2! (20-2)!) = 190
alternatively, we can reason it this way:
there are 20 choices to choose a captain and 19 choices for an alternate captain for a total of 380 ways.
However, there are 20 choices to choose an alternate captain and 19 choices for a captain for a total of 380 ways.
Since we are essentially double counting every choice of the posts, we need to divide 380 by 2 to get 190 ways.
He bought 2.5 pounds of apples on monday, then another 1.2 pounds on tuesday. In total, he bought 2.5+1.2 = 3.7 pounds of apples.
Multiply this with the cost per pound (2.20)
3.7*2.20 = 8.14
Answer: Choice C) $8.14
Answer:
Step-by-step explanation:
6 = −3[2] + b
−6
I am joyous to assist you anytime.
Answer:
77/2 is 38.5 if that is what u were asking
Step-by-step explanation:
