teriateria
30.10.2020 •
Mathematics
Evaluate the expression when w=-
=-14, x=-10.7, and y=1.2
w-x+y
Х
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Ответ:
- 2.1
Step-by-step explanation:
Given
w - x + y ← substitute given values
= - 14 - (- 10.7) + 1.2
= - 14 + 10.7 + 1.2
= - 2.1
Ответ:
20 - 2t = (1/2)t + 28
- 2.5 = 8
t= - 3.2