Answer: 5.5, 2, 196
Step-by-step explanation:
In 371 ways Mrs. Sullivan choose two students from 27 to help put away calculators at the end of class
Step-by-step explanation:
let us assume that Mrs.Sullivan wants to choose 2 students from a group of 27 students
So ,in the first choice we have 27 students
In the second choice we have 26 choices
So Mrs.Sullivan has = 27 × 26 = 702 ways
But each group repeated twice,in order to avoid that we will divide the answer by 2
so we will write
= 702 ÷ 2 =<u> 351 ways</u>
<u>This method of calculation is called Combination</u>
Answer:
D
Step-by-step explanation:
Because you are adding to it so it would be a positive
Answer:
Around 110.63 feet squared.
110.625 feet squared to be exact.
Step-by-step explanation:
14.75 times 7.5
You multiply 8 times 5 then add 3. So it's 43/8
