Answer: 20%
Step-by-step explanation:
The 150 students in the marching band and 30 of the students play the trumpet. To get the percentage of students that play the trumpet, we divide 30 by 150 and then multiply by 100. This can be written as:
= 30/150 × 100
= 0.2 × 100
= 20%
The percentage of students that play the trumpet is 20%
Answer:
Step-by-step explanation:
Using the Pythagorean identity
sin²x + cos²x = 1, then
sin²x = 1 - cos²x
sinx = 
note that cosΘ = 
= 
sinΘ = 
= 
= 
=
Answer:
31.4 cm
Step-by-step explanation:
5x3.14x2 = 31.4 cm
Answer:
you add all the values up on the dot plot and then you divide that number by how many dots are in the plot and that is your median.
Answer:
No
Step-by-step explanation:
Reduce each fraction to find if they are equal to the same ratio.
2/4 reduces to 1/2
14/20 reduces to 7/10
They do not form a proportion.
