Do a proportion. 28/100= 7/x. Now cross multiply and divide. 7 x 100=700 and 700 divided by 28 is 25. There are 25 students in the class. Answer is 25

8 0

3 years ago

Help with number 10 pls it seems really easy!!

Alla [95]

OK so if they ring at 6AM together then they would ring like this from now on:

ANSWER: they ring together next at 9:20

Bell 1: 6:25 Bell 2: 6:40

Bell 1: 6:50 Bell 2: 7:20

Bell 1: 7:15 Bell 2: 8:00

Bell 1: 7:40 Bell 2: 8:40

Bell 1: 8:05 Bell 2: 9:20

Bell 1: 8:30 Bell 2: 10:00

Bell 1: 8:55 Bell 2: 10:40

Bell 1: 9:20 Bell 2: 11:20

4 0

4 years ago

Find an equation of the line passing through the pair of points. Write the equation in the form Ax +By (5.3) and (4.1) C The equ

frosja888 [35]

Answer:

$2x-y=7$

Step-by-step explanation:

Here we are given two coordinates through which our lines passes through. Now we are going to use the two point form to find the equation of the line.

The two point form is given as

$\frac{y-y_1}{x-x_1}=\frac{y_2-y_1}{x_2-x_1}$