ANSWER:
2.33 foot
STEP-BY-STEP EXPLANATION:
We can calculate the distance from the staircase to the wall, by means of the trigonometric cosine ratio, which is the following:

Replacing and solving for x:

The distance would be 2.33 foot
Answer:
non-linear: C, E, F
Step-by-step explanation:
Choices A, B, D are linear functions, so the rest are non-linear: C, E, F
Answer:
[
3
,
∞
)
Set-Builder Notation:
{
x
|
x
≥
3
}
Step-by-step explanation:
Answer:
45 minutes is 3/4 of an hour, so find 3/4 of 12.
Divide 12 by 4 to get 1/4 of 12. That is 3.
3/4 is 3 of those, so multiply it by 3 to get 9.
So, she will have biked 9 miles.
I hope this helps you
0,644
644/1000
161/250