Answer:
try (b+10)^2
Step-by-step explanation:
Step 1: Rewrite
b^2+20b+100 --------> b^2+(2b*10)+10^2
Step 2: Apply square formula (a+b)^2 = a^2+2ab+b^2
b^2+(2b*10)+10^2 -----------> (b+10)^2
Hope this helps!
Answer:
$162
Step-by-step explanation:
Discount = percentage discount ÷ 100 × original cost
Discount = × $405 = $162
Answer:
0.75
Step-by-step explanation:
The given sequence is an AP , as the difference of all the terms is same
Answer:
9
Step-by-step explanation:
40 -100 = 60 and 60 percent of 15 is 9