Answer:
-6/7
Step-by-step explanation:
x2+5x+6=0
7x+6= 0
-6 -6
7x= -6
/7 /7
x= -6/7 or -0.85714285714
Work=force*distance
27*3 = 81 joules of energy (required work)
:)
Answer:
Step-by-step explanation:
For the first symbol, there are 9 options to choose from. Then 8, then 7, and so on. Since each player chooses 5 symbols, they will have a total of 
permutations possible. Since the order of which they choose them matters (as a different order would be a completely different password), it's unnecessary to divide by the number of ways you can rearrange 5 distinct symbols. Therefore, the desired answer is 15,120.
Answer:
21
Step-by-step explanation:
We need to follow PEMDAS
15+3*2
We need to multiply first
3*2 = 6
Then we add
15+6
21
