Answer:
Combination
Step-by-step explanation:
Permutation is likely used more for lists/ordered things.
Combination is used more for groups.
Since we are trying to elect a group of people (president, vice president, and secretary) out of 205 students, we use combination.
Answer:
The size of Isabella's pool is 220 liters.
Step-by-step explanation:
Let the size of Isabella's pool be liters, be the rate of fill, be the time of fill and be the volume of water filled in the pool.
As the rate of fill is constant,
Therefore, volume of water filled in the pool can be given as,
Volume of water left is given as
From the table,
Volume of water left after minutes is 184 liters.
So, -------- 1
Volume of water left after minutes is 4 liters.
So, ------------2
Multiply equation 1 by 6 and equation 2 by -1, we get
Now, we add the above equations, we get
Therefore, the size of Isabella's pool is 220 liters.
The right ans is A.hope it will help u.........
Answer:
This Answer :)
Step-by-step explanation:
sorry if wrong :)
Hmm sebelumnya mangap yah geng
stok pulpen w kebetulan habis belum beli ke warung jadi terpakasa w pake pensil deh
mangap...yah
Mangap juga tulisan kurang rapi dan cuantek
Thx :)
Answer:
Step-by-step explanation:
can be simplified to .
2 ÷ 2 = 1
------------
10 ÷ 2 = 5