√10 · √6 = √(10 · 6) =
= √60 = √(4 · 15) = √(2² · 15) = 2√15
Answer: 4n-7
Step-by-step explanation:
Answer:
38
Step-by-step explanation:
90 percent of 20 = 18
18+20
= 38
Answer:
a=
or ≈ -3.66
Step-by-step explanation:
-(3a+4)=7
-3a-4=7
<em>Add 4 to both sides</em>
-3a=11
<em>Multiply both sides by -1</em>
3a= -11
Divide both sides by 3
a= 
Answer:
22,828
Step-by-step explanation: