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:

$\frac{N}{cm}:\frac{20}{5}=\frac{60}{x}$ and cross multiply:

20x = 300 so

x = 15 cm

6 0

2 years ago

When Henry surveyed 45 seventh-grade students at random in the school cafeteria, he found that 3 out of 15 liked reggae music. U

xxMikexx [17]

3 x
---------= --------- ---------
15 180

15x=540
----- ------= 36 students.
15 15

Steps: Cross multiply to get 15x and 540. Divide both numbers by 15, then you found what x equals, which is the answer.

4 0

3 years ago

3825 grams equals how many pounds?

White raven [17]

There are 453.592 grams in 1 pound.

3825 / 453.592 = 8.43

3825 grams is about 8.43 pounds.

5 0

3 years ago

Read 2 more answers

I need help with this question it’s due today please help.

11Alexandr11 [23.1K]

Answer:

7 in