Answer:
<u>There are 380 ways that 1st and 2nd place can be determined in the race</u>
Step-by-step explanation:
There are 20 possibilities for determine the 1st place
There are 19 possibilities for determine the 2nd place
Number of ways that 1st and 2nd place can be determined = 20 * 19
Number of ways that 1st and 2nd place can be determined = 380
78
because 5 times 2 equals 10 so then u times 39 times 2 and get 78
Answer:
1. Not a triangle
2. Not a triangle
3. Triangle
4. Triangle
It depends on the sequence type.
if it's a regular sequence with a first common difference, you can use the formula a+d(n-1). here, "a" is the first term, "d" is the common difference and "n" is the term number.
Answer:
Solve with system of equations
answer is (4,5)
You would graph (4,5)
x=4 and y=5