350 + 4x = 750
x = the amount the fee went up annually.
4x = 750 - 350
4x = 400
x = 400/4
x = 100
The rate of change is 100 dollars per year. The initial value of her business is 350 dollars. To check your work (aka how do you know) if you add 100 dollars to her initial value (350) 4 times you get 750.
Answer:
Step-by-step explanation:
Interest = P*r*t/100
![42.60=\frac{213*r*5}{100}\\\\213*r*5=42.60*100\\\\213*r*5=4260\\\\r=\frac{4260}{5*213}\\\\r=4](https://tex.z-dn.net/?f=42.60%3D%5Cfrac%7B213%2Ar%2A5%7D%7B100%7D%5C%5C%5C%5C213%2Ar%2A5%3D42.60%2A100%5C%5C%5C%5C213%2Ar%2A5%3D4260%5C%5C%5C%5Cr%3D%5Cfrac%7B4260%7D%7B5%2A213%7D%5C%5C%5C%5Cr%3D4)
Rate of interest = 4%
Answer:
D
Step-by-step explanation:
Because the scale factor is 2:1, all sides on Triangle 2 (the smaller triangle), should be half the length of Triangle 1 (the larger triangle).
Answer:
25 minutes.
Step-by-step explanation:
800 divided by 160= 5
5 times 5 = 25 minutes
Hopefully that helps!