dozsyerra
17.07.2019 •
Mathematics
For the expression 6 - y + c, determine the coefficient for the variable. a: -1 b: o c: 3 d: 6
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Ответ:
the coefficient for the variable "c" is 1
Ответ:
set quadratic equations and use the pythagorean identity (21-x)^2+(42-X) ^2=(45-x)^2
expand and distribute both sides to get quadratic equation x^2-36x+180=0, and find x to be 6cm