Given: and Prove: slope of × slope of = -1

StatementsReasons
1.
is similar to Given
2. Property of similar triangles
3. slope of
slope of Definition of slope
4. slope of slope of Multiplying the slopes
5.Substitution property of equality
6. slope of slope of = -1Simplifying the right side

The table shows the proof of the relationship between the slopes of two perpendicular lines. What is the missing statement in step 5?

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?

Your family took a road trip on saturday you were in the car for 4.5 hours and average 70 mph. how many miles did you travel?

Amanufacturing firm has been averaging 16.8 orders per week for several years. however, during a recession, orders appeared to slow. suppose the firm’s production manager randomly samples 31 weeks and finds an average of 15.6 orders with a standard deviation of 2.3 orders. using a 0.025 significance level, test whether the mean number of orders has decreased. type the full 5 step procedure into the answer box, then for multiple choice practice, answer the following: 1. what is the name and symbol of the parameter that you are testing? 2. what is the symbol and value of the point estimate of that parameter? 3. what distribution are you using to test this parameter? 4. what is the critical value? 5. what is the test statistic value? 6. what is the p-value?