Answer:
Step-by-step explanation:
a. Yes, the following statement is true. The police officer is gathering data by writing down all the speeding tickets and seperating them into two categories, red and non-red cars. He can later analyze this data and compare them to determine whether or not his hypothesis is true.
b. The color of the car is the only variable that would not be a confounding variable in this scenario. This would instead be the independent variable and does not in any way affect the dependent variable which would be the number of speeding tickets received.
X is between -6 and 11 and y between -6 and 8
Answer:
212 student tickets
Step-by-step explanation:
I am assuming that this is what you meant:
Total of tickets sold= 326
Price of an adult ticket= $8
Price of a student ticket= $5
Total amount if money (student & adult) collected= $1972
Please see the attached pictures for full solution.
Answer:
100 Feet of PVC for 135.25
Step-by-step explanation:
If you had 75 feet of PVC and paid 111.50 you would pay 1.48 a foot for each PVC but if you paid 135.25 for 100 feet you would pay 1.35 a foot which in turn would become cheaper.