Answer:
X=2, AB=14, DC=14
Step-by-step explanation:
3x+8=x+12
Subtract x from both sides
2x+8=12
Subtract 8 from both sides
2x=4
Divide by 2 on the sides
Answer: x=2
Then replace the x's with (2) and multiply
3(2)+8 and (2)+12
Answer: 3+4 =7 this is the right answer :)
Step-by-step explanation:
Answer:
1) 1.1 seconds
2) 13.5 feet
<h3>Part A</h3>

<u>Apply quadratic formula</u>:

<u>Simplify following</u>

In decimal form:

Conclusion:
As time is be only positive: t = 1.1 seconds
<h3>Part B</h3>

<u>insert t = 0.5</u>

<u>simplify</u>

Answer:
C, 11.62 units
Step-by-step explanation:
tan 54° = 
x tan 54° = 16
x = 
x≈11.62468045
x= 11.62