Answer:
It would be A.
You can trust me because a right angle is 90 degrees, so you would add the two angles.
Answer:
They are identical triangles.
Step-by-step explanation:
Angles in a triangle add up to 180 degrees.
The triangle with 39 and 90 has a missing angle of 51 degrees, and the triangle with 51 and 90 vice versa.
Answer:
Step-by-step explanation:
By definition, we can write ln instead of log. WHEN??
Whenever the base of the logarithm is the number "e".
Hence, when we have:
We can write it in shortcut as:
Hence, ln x can also be written as
Fourth answer choice is right.
4
5x - 4 = 16
Add four to both sides
5x = 20
Divide both sides by 5
x = 4