Answer:

Step-by-step explanation:
Set up the equation:
Since C(t) gives the number of cars purchased in the t-th year after 1998, then make the number of cars equal to 15 000 and solve for t - the year:
20t^2 = 15000
t^2 = 750
t = 
The year will be simply 1998 + 5 \sqrt{30}
Answer:
determine all the other angles amount and that will give you your answer, also find the two 180 degree angles, such as the one flat going left to right and the one at an angle going left to right
Step-by-step explanation:
Answer:
equals nothing. cannot be multiplied or divided. does not change a number when added or subtracted
Answer:
First of all yourself
Step-by-step explanation:
Answer:
4:6 = 2:3, the answer is C
Step-by-step explanation:
they visited 4 museums as displayed on the bar and 6 beaches also presented on the bar, which would mean 4:6 and would simplify to 2:3