So I estimated to 110. And I got 50 rock songs and 60 dance songs. I used the ratio 5:6. Hope this helps you.
Answer:
15:21 = 5:7
Step-by-step explanation:
21/7 = 3
5 x 3 = 15
How you write 8.216 in scientific notation; 8.216 * 10 ^ 3
10 ^ 3 = 10 to the 3rd power.
Answer:
cos W = 7/15
Step-by-step explanation:
Mathematically the cosine of an angle is the ratio of the adjacent to the hypotenuse side
From the diagram given, 14 is adjacent to vertex w and 30 faces the right angle which makes it the hypotenuse
So, we have it that;
cos W = 14/30
cos W = 7/15