Hi,
Work:
Equation;

Write an expression in the exponential form with a base of 2.

Since bases are the same, set the exponents equal.

Switch the sides (RESULT)

Hope this helps.
r3t40
Cos theta = base /perp
= sqrt(13)/7
=0.515
The percentage of eighth-graders that chose History as their favorite subject is 19%
<h3>Percentages and proportion</h3>
From the given table, we have the following parameters
Total students in the 8th grade = 124 students
Total number of 8th graders that chose history = 11 + 12
Total number of 8th graders that chose history = 23
Required percentage = 23/124 * 100
Required percentage = 19%
Hence the percentage of eighth-graders that chose History as their favorite subject is 19%
Learn more on percentages here: brainly.com/question/24304697
Answer:
768
Step-by-step explanation:
because 50 percent of the num is 96 you double that and then multiply by four