Answer:
Induction
Step-by-step explanation:
Induction is "the creation of a voltage difference across a conductive material (such as a coil of wire) by exposing it to a changing magnetic field."
Adding them up, we have 1/2+3/20+2/5+4/5. We can do a bit of guess and checking to see that 2, 5, and 20 go into 20. 20/2=10 and 20/5=4, so we multiply 1/2 by 10/10 and 2/5 and 4/5 by 4/4 to get 10/20+3/20+8/20+16/20= 37/20
I this helps you out with your problems
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Answer:
x=4
Step-by-step explanation:
13-4x=1-x
13=1-x+4x
13=1+3x
12=3x
4=x
x=4
In a 30 60 90 triangle, the "middle-sized" side = the short side multiplied by the square root of 3.
so the "middle-sized" side = x * square root of 3.
Source:
http://www.1728.org/trig2.htm