Don't let fractions fool you.

of a tank in

an hour is equal to:
1/12 of a tank in 20 minutes.
Thus we know in an hour, an oil company can fill 3/12 of a tank (60 minutes in an hour).
3 x 4 = 12, and 12/12 = 1(a whole tank), so we multiply 1 (hour) by 4.
Our answer is that it takes 4 hours to fill a tank.
C. 8 - 2x = 5x - 2 is the anwser
Answer:
∠ YZX ≈ 19.7°
Step-by-step explanation:
using the sine ratio in the right triangle.
sin YZX =
=
=
, then
∠ YZX =
(
) ≈ 19.7° ( to 3 significant figures )
7/100
3/10
21/125
3/ 2500
7/50
I simplified them for you
Answer:
9. 21
10. 70
11. 64
12. 31
13. 85
14. 31
double check the answer, i didnt use a calculator so might be wrong