The answer is supplementary angles, hopefully that helps.
Answer:
8/21
Step-by-step explanation:
because yo need to make it a improper fraction then flip it
Answer:
Step-by-step explanation:
We are given the following information in the question:
![R = \displaystyle\frac{T}{W}](https://tex.z-dn.net/?f=R%20%3D%20%5Cdisplaystyle%5Cfrac%7BT%7D%7BW%7D)
where, R is the tip speed, T is the speed tip of blade and W is the speed of wind.
We have to find
, whem W = 75 km per hour,
, T = 150 km per hour
Formula:
![\displaystyle\frac{dR}{dt} = \displaystyle\frac{dR}{dW}\displaystyle\frac{dW}{dt} + \displaystyle\frac{dR}{dT}\displaystyle\frac{dT}{dt}\\\\= \displaystyle\frac{dR}{dW}\displaystyle\frac{dW}{dt}\\\\\text{ as T is constant with respect to t}\\\\= -\displaystyle\frac{T}{W^2}\displaystyle\frac{dw}{dT}](https://tex.z-dn.net/?f=%5Cdisplaystyle%5Cfrac%7BdR%7D%7Bdt%7D%20%3D%20%5Cdisplaystyle%5Cfrac%7BdR%7D%7BdW%7D%5Cdisplaystyle%5Cfrac%7BdW%7D%7Bdt%7D%20%2B%20%5Cdisplaystyle%5Cfrac%7BdR%7D%7BdT%7D%5Cdisplaystyle%5Cfrac%7BdT%7D%7Bdt%7D%5C%5C%5C%5C%3D%20%5Cdisplaystyle%5Cfrac%7BdR%7D%7BdW%7D%5Cdisplaystyle%5Cfrac%7BdW%7D%7Bdt%7D%5C%5C%5C%5C%5Ctext%7B%20as%20T%20is%20constant%20with%20respect%20to%20t%7D%5C%5C%5C%5C%3D%20-%5Cdisplaystyle%5Cfrac%7BT%7D%7BW%5E2%7D%5Cdisplaystyle%5Cfrac%7Bdw%7D%7BdT%7D)
Putting all the value, we have:
![\displaystyle\frac{dR}{dt} = -\displaystyle\frac{150\times -4}{75\times 75} = 0.106666666667 \approx 0.107](https://tex.z-dn.net/?f=%5Cdisplaystyle%5Cfrac%7BdR%7D%7Bdt%7D%20%3D%20-%5Cdisplaystyle%5Cfrac%7B150%5Ctimes%20-4%7D%7B75%5Ctimes%2075%7D%20%3D%200.106666666667%20%5Capprox%200.107)
Answer:
x = 72
y = 12
Step-by-step explanation:
x = 6y
x + y = 84
Just Guess & Check lol