R = speed in still water
r + c = speed with current
r - c = speed against current
3.5(r + c) = 70
r + c = 20
c = 20 - r
4(r + c) = distance from pier to pier
5(r - c) = distance from pier to pier
4(r + c) = 5(r - c)
4(r + 20 - r) = 5(r - 20 + r)
80 = 10r - 100
180 = 10r
18 = r
The speed in still water is 18 km/hour
there is no answer because there is no .Th in what ever you ate trying to talk abput
Answer:
xyz
Step-by-step explanation:
7xyz - 10 + 10 - 6xyz
-10 + 10 = 0
7xyz - 6xyz = 1xyz
1xyz = xyz
Sum of those two angles = 180 - 100 = 80
Now, Total ratio = 3 + 5 = 8
Amount of 1 unit = 80 / 8 = 10
Angle measures: = 3(10) & 5(10) = 30, 50
In short, Your Answer would be 30 & 50
Hope this helps!
Answer:
Step-by-step explanation:
Rearranging your quadratic to standard form, you get ...
16t^2 -4t +d = 0
For the quadratic formula, you have ...
a = 16
b = -4
c = d
so the solution is ...
