Ur equations are :
C = 0.03t + 20...this is company A
C = 0.07t + 5....this is company B
now...for them to be equal...set them equal and solve for t
0.03t + 20 = .07t + 5
-5 + 20 = 0.07t - 0.03t
15 = 0.04t
15/0.04 = t
375 = t.......there would have to be 375 texts
Answer:
x = 10.6
Step-by-step explanation:
5x - 11 = 42
first +11 so,
5x = 53
then ÷5
x = 10.6
Answer:
1. a
2. d
3. c
4. d?
5. cant answer cause I cannot see the data
Answer:
It's D (a = 20 because the rate of change is –3.)
Step-by-step explanation:
I did the test and that was the correct answer