The monthly cost (in dollars) of a long-distance phone plan is a linear function of the total calling time (in minutes). The mon thly cost for 31 minutes of calls is $ 15.92 and the monthly cost for 84 minutes is $ 22.28 . What is the monthly cost for 70 minutes of calls?
1 answer:
Answer:
oo kutte kamine nikal yha se chl ktle
You might be interested in
Answer:
x=1/2, y=2;
Step-by-step explanation:
First pair:
2x-5y =-9
4x+5y=12
Add them together:
6x=3
x = 1/2
2(1/2) - 5y =-9
1-5y = -9
1+9=5y
y=10/5=2
Answer:
Hi! Your answer is down below!
Step-by-step explanation:
Hope this helps!
Have a nice day <3
Step-by-step explanation:
3 and 4.
because the sum of the smaller two sides of a triangle have to be less than or equal to the 3rd larger side.
Well the y-intercept is where a line crosses the y-axis
Answer:
4x^3+4x^2
Step-by-step explanation:
f(x) = 4x^2
g(x) = x+1
(f•g)(x) = (4x^2) *(x+1) = 4x^3+4x^2
