Answer:
AC = 18
Step-by-step explanation:
Using the cosine ratio in the right triangle and the exact value
cos30° =
, then
cos30° =
=
=
=
( cross- multiply )
2 AC = 12
×
= 12 × 3 = 36 ( divide both sides by 2 )
AC = 18
<span>She jogged a total of 6 miles in 55 minutes.So, her average rate was 6 miles/55 minutes. </span>6 miles / 55 min * 60 min/hr = 360/55 = 72/11 miles/hr = about 6.54 mph<span>.
</span>
The answer is D
Explanation:
The -2 on the X is reversed so it becomes +2 on the x-axis
The +2 at the end of the equation makes the graph go up 2