What is the sum of the interior angle measures of a polygon that has 20 sides
1 answer:
You might be interested in
For this case, the first thing we must do is define variables:
x: number of nickels
y: number of dimes
z: number of quarters
We now write the system of equations:
Solving the system of equations we have:
Answer:
14 nickels
28 dimes
10 quarters
x: number of nickels
y: number of dimes
z: number of quarters
We now write the system of equations:
Solving the system of equations we have:
Answer:
14 nickels
28 dimes
10 quarters
a) 4 different math books and 3 different English books can be arranged in
ways. This is because all the books are different.
But if you choose 4 math books from 6 different math books and 3 English books from 5 different English books, the number ways of arranging on the shelf is