15 + n = 9 (n equals "number")
Answer:
Y= -14/15 and in decimal form it’s y=-0.93
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
There are 6 ways to choose the first kitten, 5 ways the second, 4 ways the third
6*5*4
But order doesn't matter
Divide by the number of items factorial
3! = 3*2*1 = 6
6*5*4
--------
6
20
Answer:
49 Quarters and 49 Dimes
Step-by-step explanation:
So there is $17.15 in the machine. Let's start by establishing how many of each coin adds up to about $17.15.
Quarters (worth $0.25): 68.6
Dimes (worth $0.10): 171.5
The secret is mostly just trial and error.
So we can start by using 49 Quarters which gets us to $12.25. Let's also add 49 Dimes which gets us to $17.15.