I think that it is A, 180..
10 in; if the original 100% was 5 in, then you multiply that by 2.
Answer:
x = 33, y = 17
Step-by-step explanation:
1) the sum of all the angles in any triangle is 180 degrees
2) when 2 lines intersect, the angles opposite each other are equal
3) the sum of any angles that break up one side of a straight line is 180
You find the rates of each computer on its own...
One does the job in 55 minutes which we can say is 1/55
The other has a rate of 1/45.
The question wants to know how long it would take both working simultaneously to complete the job...
t/55+t/45=1
(9t+11t)/495=1
20t=495
t=24.75 minutes (24:15)
Answer: 111 miles per hour. Or 125 miles per hour.
Step-by-step explanation: I think you have to choose 1 of these, cuz I'm not pretty sure!