Take the LCM of the three numbers. Since 2 is a multiple of 4, you can ignore the two and just take the LCM of 4 and 3.5. Since 3.5 is a decimal, the LCM is just 3.5*4 which is 14. That is how many minutes after 8:00 they will flash together again.<span />
Answer:
-13y - (-72y)
59y is answer
Step-by-step explanation:
That bracket symbol, with an r in it, means "the absolute value of r".
So r's absolute value is -2 meaning r is two units from zero
r= 2
25-4x=16-4x
25-4x+4x=16-4x+4x
25=16
No solution
Contradiction