The answer is 140.
If there are 140 hamburgers sold, and there were 2x as many cheeseburgers sold, that adds up to 420.
140 x 2 = 280 (Cheeseburgers)
So there were 280 cheeseburgers sold.
280 (Cheeseburgers) + 140 (Hamburgers) = 420 altogether.
Hope this helps!
If the roots are irrational the discriminants arent a perfect squre
To find in 1 hour,
you need to divide km on hours
8.547/1.5=5.968 km per hour or 5.968 km in 1 hour
Answer:
10
Step-by-step explanation:
c²=b²+a²=100
so
c=10
jjthj