Converse Perpendicular Transversal Theorem.
If two lines are perpendicular to the same line, then the lines are parallel.
Use the Pythagorean theorem.
If x is a hypotenuse, then we have:

If x is a leg, then we have:

Answer: 
It's multiplied by 5, so the amplitude is 5.
The period is pi/2 since it's tan(2t)
Answer:
140
Step-by-step explanation:
80 Divied by 4 is 20
SO Each Pair Is 20
7 x 20 = 140
<span> For this case what we must do is a division using the following relationship:
</span>

<span>Substituting values we have:
</span>

<span> Rewriting the fraction we have:
</span>

<span> Simplifying we have:
</span>

<span>
Answer: The number of times repeated 2/5 for 4 is: 10</span>