Step-by-step explanation:
<h2>
<em>So, we call 5 the “square root” of 25 and write √25=5 because 52=25 . ... Since (−5)2 also equals 25 it is also a “square root” of 25 , but we write −√25=−5 because it is not the principal square root. Not all whole numbers have a whole number square root. For instance √2=1.414213562…</em></h2>
Answer:
I think you just have to plug the 7 in for x so b(x)=6
Step-by-step explanation:
(5·7)-5=30
(3·7)-16=5
30/5=6
i cant help u completely but i like in number 6 that E is 1
Answer:
150
Step-by-step explanation:
(5)(3)=15
(1)(10)=10
15*10=150
