Answer:
Sessions needed= 12
Step-by-step explanation:
Giving the following information:
Total hours= 12 hours
Practice= 3/4= 0.75 of an hour
Already practiced= 3 hours
<u>First, we need to determine how many minutes does she practice each session:</u>
Minutes per session= 0.75*60= 45 minutes
<u>Now, we divide the total practice in minutes required for the minutes per session:</u>
Sessions needed= (9*60) / 45
Sessions needed= 12
Question
Find x and y of this triangle.
Answer:
<h3>
x = 52°</h3><h3>y = 23°</h3>
Step-by-step explanation:
the sum of the interior angles of a triangle is 180°
from the picture you have 90°, 67° and y in one triangle
and 90°, 38° and x in the other.
triangle with y:
180 - 90 - 67 = 23°
triangle with x
180 - 90 - 38 = 52°
Answer:
Step-by-step explanation:
it is all of the side lengths of the four sides times how many trapezoids there are
Answer:
-7/2
Step-by-step explanation:
Answer:
Step-by-step explanation:
A combination is an arrangement where the order is not important. Mathematically, a combination is the number of different groups of "" elements that can be formed from an initial group of "" elements. It's calculated with the following formula:
Where:
In this case:
Therefore the number of ways that the disc jockey selction can be done is: