For easier notation lets use: Nn=x and Nd=y
x+y=22
5x+10y=135
Multiply the first equation by 5 to get
5x+5y=110
Now you can eliminate x by subtracting the first equation from the second
5x+10y-5x-5y=135-110
5y=25
y=5
x=17
Answer:
She drove 60 miles in 3 hrs. This means she drove (60/3 = 20)....20 miles per hr.
I paid $15 for 3 hamburgers. This means 15/3 = 5....it costs $5 per burger.
Step-by-step explanation:
Answer:
2π/3 radians is equal to 120°.
Step-by-step explanation:
In this problem, we need to convert the angle 2π/3 radians to degrees.
The relation radian and degree is given by :
Substitute all the values,
So, 2π/3 radians is equal to 120°.
Answer:
4x^2-x/x^2+x-2
Step-by-step explanation:
