Equations of straight lines are in the form y = mx + c (m and c are numbers). m is the gradient of the line and c is the y-intercept (where the graph crosses the y-axis).
Answer:
Step-by-step explanation:
Soh-cah-toa is a great way to remember:
You just remember the first letters : sine= opposite/hypotenuse , for example.
Answer:
a. There is a causation relationship and positive trend between number of hours on homework and higher test scores.
b. 76
Step-by-step explanation:
a. Since the dots all follow a linear progression and increase closely together this is a positive trend and likely a causation relationship.
b. y=7x+41 can predict a test score. x is the number of hours, so if 5 if the number of hours then y=7(5)+41 = 35+41=76
Each member of the team will get two thirds of an orange.
1) Mean Absolute Deviation = 1.75
2) Mean = 244
