milly1903
25.11.2020 •
Mathematics
What is 4(x-1)^2+2=10
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Ответ:
Answer below
Step-by-step explanation:
4(x−1)
2
=10−2
4(x−1)
2
=8
(x−1)
2
=
4
8
(x−1)
2
=2
x −1=±√
2
x−1=√
2
x-1=-\sqrt{2}x−1=−√
2
x=√
2
+1
x=−√
2
+1
x=√
2
+1,−√
2
+1
Ответ:
To find the cost you must multiply the cost per pound by the number of pounds purchased to get the total cost. That's what choice A is.