We can solve this by setting up a proportion:

12 seeing the play/ 72 students = 210 seeing the play/ x students

We can cross multiply to solve for x:

(12)x=(72)(210)
12x=15,120
x=1,260 students who attend the school

4 0

2 years ago

7(x+y)^(2)+13x(x+y)-2^(2) help

artcher [175]

Answer:

https://www.symbolab.com/solver/step-by-step/7%5Cleft(x%2By%5Cright)%5E%7B2%7D%2B13x%5Cleft(x%2By%5Cright)-2%5E%7B2%7D

Step-by-step explanation:

try this link

6 0

2 years ago

Which equation shows equation shows y = - 3x +4 x + 4 is in standard form?

svet-max [94.6K]

Answer:

7x-y=-4

Step-by-step explanation:

Let me know if this right please :(

Hope it was is helpful for you :)

3 0

2 years ago

The sum of two numbers $x$ and $y$ is 399, and the value of the fraction $\frac{x}{y}$ is 0.9. What is the value of $y - x$?

sergey [27]

Answer:

none

Step-by-step explanation:

first thats not a number

4 0

2 years ago