Answer:6
Step-by-step explanation:
*we solve every bracket alone
-(√2+1)² = [rule:1st *1st + 2*1st*2nd + 2nd*2nd]
2+2√2+1
3+2√2
-(√2-1)= [rule:1st*1st - 2*1st*2nd + 2nd+2nd]
2-2√2+1
3-2√2
-we write the whole equation
3+2√2+3-2√2 (+2√2 - 2√2) {positive and negative remove each other}
3+3=6
Answer: Original price $184
Step-by-step explanation:
(X/2) - 6 = 86
X/2 = 86+6
X/2 = 92
X = 92*2
X = 184
Answer: $18,552.9
Step-by-step explanation:
given data:
currency on hand = $100,000 Brazilian dollar.
curreach desired = us dollars.
if $1 USD = $5.39 Brazilian dollar.
therefore;
$100,000 Brazilia USD
= $100,000/5.39
= $18552.9 USD.
The desired amount in US dollars is $18,552.9
1. Your question tells that the percentage of the red marble in the bag is 25%. So if a child chooses 4 marbles, the probability that he could get 3 red marbles is A.0.047
2.In your question the supplier has a stock of parakeets were 10% is blue, so the chance of the supplier to deliver 1 blue parakeet out of 3 is letter B.0.243
Answer: 777600
Step-by-step explanation:
you times 12 by 4 then you times 3000 by 5.4 and add the two answers
