The bearing of B from C based on the information given will be 40°.
<h3>How to depict the bearing?</h3>
A bearing is an angle measured from the North direction clockwise. Notice that the bearing of B from C is 40° because according to the problem, all four points are on level ground, which means they are coplanar, and the angle between the plane and the North is 40°.
The bearing of A from C is also 110° because it's the bearing of C from A and A from C are same-side internal angles between parallels which must sum 180°.
The bearing of D from C is 40° too because that setup is parallel to the bearing of B from C.
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Answer:
Solving the radical 
we get 
Step-by-step explanation:
We need to express the radical using the imaginary unit i
Prime factors of 81 are: 3x3x3x3
and 
Solving:
So, Solving the radical we get
Answer:
<h2>x = - 5 + Y</h2><h2> _ _</h2><h2> 2 2</h2>
Step-by-step explanation:
I just moved <u><em>all</em></u> terms that don't contain x to the
right side and solved!
Hope this Helps!
Answer:
Resister of 0.15 W is to be added.
Step-by-step explanation:
In a given circuit we have the attachments
A power supply of 12 V
High intensity LED with forward voltage = 4.5V
LED is rated to withstand a maximum current of 20 mA or 
We have to calculate the size of a resister to be connected in series.
Here we will apply the Ohm's law for the calculations
Total voltage of the circuit = voltage of LED + voltage across resistance.
r = (12 - 4.5)/20.10^{-3}
r = 7.5×10^{3}/20 = 375 ohm
Therefore power of the resistance = i².r
= 0.15 W
Therefore a resister of 0.15 W is to be added.
