Answer:
Answer:
4
Step-by-step explanation:
If you read it carefully then you'll get it :)
D and E —> substitute the x or y of the point given into the functions to test if it is correct
The slope is this and that
Answer:
Step-by-step explanation:
Hooke's Law applies here, which is a linear relationship. It would be easier to solve this using proportions with N of force on the top and the amount of stretch in cm on the bottom. Set up with our unknown, the number of cm:
and cross multiply:
20x = 300 so
x = 15 cm