Answer:


Step-by-step explanation:
<u>Question 1</u>
Given:


To evaluate
, replace 75 with (5 × 5 × 3):



Substitute the given values to solve:

<u>Question 2</u>
Given:


To evaluate ln(20) replace 20 with (4 × 5):


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Substitute the given values to solve:

Answer:
in the quest the double angle sign means they are congruent as well as they have a common side if you label them.
Answer:
x ≈ 55.6
Step-by-step explanation:
Using the sine ratio in the right triangle
sin20° =
=
( multiply both sides by x )
x × sin20° = 19 ( divide both sides by sin20° )
x =
≈ 55.6 ( to the nearest tenth )
Answer:
d
Step-by-step explanation: