The proportion would be 1/3 and x/9. Cross multiplication creates 3x=9. Divide both sided by three, and there are 3 trombones in the orchestra.
Answer:
Formula to find height when given diameter and slanted height

First find the radius
24÷2=12
Next square the radius
12²=144
Next square the slanted height
20²=400
Now find the square root of both

=16ft
Answer: Memo would be 35 and Tecatito would be 17
Explanation:
17 + (17x2 +1) =52
17 + 35 = 52
Hope this helps!
Answer:
it is a function
Step-by-step explanation:
the input is not repeated
(0,30), (1,20)
(20-30)/(1-0) = -10/1 = -10 slope
We know y intercept is 30
Equation: y = -10x + 30