j015
07.12.2020 •
Mathematics
What is the value of x
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Ответ:
x=-6
Step-by-step explanation:
18x+30=12x-6
-12x -12x
6x+30=-6
-30 -30
6x= -36
-36/6
x=-6
Ответ:
5
Step-by-step explanation:
Use the Pythagorean Theorem
C^2=a^2 + b^2
c^2= 3^2 + 4^2
c^2= 9+16
c^2= 25
The take the square root
c= √25
c = 5