Answer:
12/19.
Step-by-step explanation:
There are 19 instructors altogether.
Probability (getting a computer science instructor) = 5/19.
Probability (getting a mathematics instructor) = 7/19.
As this a 'compounded or' probability these values are added so the answer is 5/19 + 7/19
= 12/19.
Answer:
Step-by-step explanation:
125 I think
Answer:
a. 72°
Step-by-step explanation:
The sum of angles in a triangle is 180°. The two base angles of an isosceles triangle (one with two congruent sides) are congruent, so we have ...
54° + 54° + x° = 180°
x° = 180° - 108°
x° = 72°
<span>I answered your question.</span>
Place the midpoint of the protractor on the VERTEX of the angle.Line up one side of the angle with the zero line of the protractor (where you see the number 0).Read the degrees where the other side crosses the number scale.