Answer:
$0.30 x 4= $1.20
$3.00 divided by $1.20= $1.80
Step-by-step explanation:
I hope this is what you were looking for
Answer:
Speed = Distance ÷ Time
time = distance ÷ speed
Step-by-step explanation:
248 ÷ 55 * 60 = 270.54 minutes
Answer:
and
.
Step-by-step explanation:
The equation can be simplified with the help of trigonometric identities:

Which means that equation is equal to zero if any component of the product is zero. The solutions of the expression are:
a) 

b) 



Any value different of both subsets do not satisfy the equation described above.
Answer:
(1, 1)
Step-by-step explanation: