zarek93
28.06.2019 •
Mathematics
4x-10 3x-22 3x+3 find x when its an equilateral triangle? ?
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Ответ:
x=15.1°
Step-by-step explanation:
Angles in an equilateral triangle adds up to 180°
(4x - 10) + (3x - 22) + (3x + 3) = 180
Putting the like terms together;
4x + 3x + 3x - 10 - 22 + 3 = 180
10x - 29 = 180
10x = 180 - 29 = 151
x = 151/10 = 15.1°
Ответ:
I1×R1=I2×R2
I2=I1×R1/R2
I2=2A×770Ω/808Ω
I2=1.9A
The answer is a. 1.9 A.