<h3>
Answer: 250</h3>
==================================================
Explanation:
x = speed of the plane in mph
x-180 = speed of the car, since its 180 mph slower than the plane
For the plane, we can form the equation
distance = rate*time
d = r*t
500 = xt
t = 500/x
For the car, we can say,
d = rt
140 = (x-180)t
140 = (x-180)*(500/x)
140x = 500(x-180)
140x = 500x - 90,000
140x - 500x = -90,000
-360x = -90,000
x = (-90,000)/(-360)
x = 250
The speed of the plane is 250 mph
-----------------------------
Extra info:
The car's speed is x-180 = 250-180 = 70 mph
It takes the plane t = d/r = 500/250 = 2 hours and it takes the car t = d/r = 140/70 = 2 hours. Both vehicles travel for 2 hours, which helps to confirm the answer.
I agree im not the best at math but I think it is $0. Hope this helps. Sorry if im wrong.
Answer:
if only 8% then why even bother with the house lol
Step-by-step explanation:
If it is perimeter add 15+15 and 5+5 and if it is area then just do 15 times 5 and if it is perimeter 15 plus 15 is 30 and 5 plus 5 is 10 so 30 plus 10 is 40 and if you are doing 15 times 5 is 75 depends if it is perimeter or area
Answer:
133,784,560
Step-by-step explanation:
using the combinations formula: n!/(n-r!)r!, the equation would be 52!/52-7! x 7! which is simplified to 52!/45!7! which is equal to 133,784,560
