How many different ways can a race with 4 runners be completed? (Assume there is no tie.)
1 answer:
You might be interested in
Check the picture below.
make sure your calculator is in Degree mode.
make sure your calculator is in Degree mode.
Answer:
She made a mistake in Step 7.
Step-by-step explanation:
Step 1 through 6 are correct. Only from Step 6 to Step 7 the problem comes in: both sides of the equation are multiplied by x, however the x on the left side, by error, becomes 1. The correct state in Step 7 should look like this: