lwattsstudent
21.12.2020 •
Mathematics
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Ответ:
1)
2)
3) x=30
4) x= -4/3
Step-by-step explanation:
Use the Pythagorean theorem to find the missing angle.
In the formula, the c is the length of hypotenuse, so
20*9=6x
180=6x
x=30
4(3x+2)=6x
12x+8=6x
6x=-8
x= -4/3
Ответ:
9x^8
25x^12
36x^16
Step-by-step explanation: