<span>for y varies directly with x, you should have
y=kx
where k is constant of variation.ok</span>
Answer:
20 seconds
Step-by-step explanation:
The least common multiple of 4 and 5 is 20. So the two lights will blink at the same time every 20 seconds.
9r=108
To solve for r, we must isolate it. To do this, divide both sides by 9.
r=108/9
Simplified, r=9
It can't be A or D because they have negatives. you can't have negative donuts. you can't have 92.75 donuts therefore it's C
Answer:
-2y +2
Step-by-step explanation:
(x-y+1) - (x+y+-1)
Distribute the minus sign
x-y+1 -x-y+1
Combine like terms
-2y +2