x 55
-------- = ---------
69.50 100
69.50*55= 3822.5
3822.5/100= 38.225
x=$38.22
Answer:
(3, -3)
Step-by-step explanation:
When asked to solve by elimination, you put them on top of one another, like you're going to add it.
10x + 7y = 9
-4x - 7y = 9
See that 7y? You can cancel those out because one is negative, and one is positive. So those are gone. You finish adding the rest of the numbers as usual and solve for x.
6x = 18
x = 3
Take x, and plug it into either equation to find y.
10(3) + 7y = 9
7y = -21
y = -3
(3, -3)
Hope this helped!
Answer:
SOLUTION: A motorist takes 4 hours to travel 380 km,how long will he take to travel 570 km at the same average speed. where t is unknown time. = 6 hours. = 6 hours, the same answer.
Step-by-step explanation:
Answer:
the equation for the population is add 700 to the previous term
Well i need more details in order to help you!!
