Answer:
x=7.5
Step-by-step explanation:
To show that the triangles are similar, we simply need to show that all sides are proportionate.
So, we create a proportion
Then we plug in the values
and can be simplified to , so that is our ratio of similarity
then we know
Now solve
1. Cross multiply
2×(2x-5) = 22
2. Distribute
4x-8 = 22
4x=30
x=7.5
There is your answer, x=7.5
Hope this helped.
Answer:
Step-by-step explanation:
, csc(x) = 1/sin(x)
Answer:
<h2>131.9</h2>
Step-by-step explanation:
C = 2πr
using 3.14 for π, we get C = 2(3.14)(21)
C = 2(65.94)
C = 131.88 or about 131.9
Answer:
She plays 5 new songs for every 2 old ones.
If she plays 15 new songs, she will play 6 old songs.
15 + 6 = 21
thus, she played 21 songs altogether.