Answer:
210 mph
Step-by-step explanation:
speed of jet = x
headwind: speed = x - 27
time taken = 1134.6/(x - 27)
tailwind: speed = x + 27
time taken = 1469.4/(x + 27)
same amount of time:
1134.6/(x - 27) = 1469.4/(x + 27)
Cross multiply,
1134.6(x + 27) = 1469.4(x - 27)
1134.6x + 30634.2 = 1469.4x - 39673.8
334.8x = 70308
x = 210 mph
M=6/5 and n = sqrt(2), is rational (but not an integer) and n is irrational.
The case with n = sqrt(9)=3, is not a solution. The case with m=4pi neither.
The last case is m = 6/2=3, integer, so neither works.
So, it is the one with m=6/5 and sqrt(2)
Answer:
1/2.
Step-by-step explanation:
There seem to be a couple prominent points on the line. We can use two of them to find the slope.
(0, 75)
(30, 90)
(90 - 75) / (30 - 0) = 15 / 30 = 3 / 6 = 1/2.
Hope this helps!
Answer:
- 10.7 liters of paint required
Step-by-step explanation:
Dimensions of the room
- 7.7 m by 14.8 m with the height of 2.4 m
Find the surface area of the 4 walls
- A = Ph = 2(l + w)h = 2(7.7 + 14.8)*2.4 = 108 m²
Convert the area to ft²
- 108 m² = 108*10.7639 ft² = 1162.5012 ft²
Find the amount of paint required
- 1162.5012/410 = 2.84 gal (rounded)
Covert the volume to liters
- 2.84 gal = 2.84*3.76 l = 10.7 l (rounded)
