Answer:
Step-by-step explanation:
since the scale is 15 feet for every 2 inches and the scale model length is 3:
3/2 = 1.5
multiply 1.5 to 15 feet: 22.5
answer is 22.5
Answer:

Step-by-step explanation:
If
, and 
then
can be calculated via:

Answer:0.00102529049
Step-by-step explanation: Use a calculator >:) EX clap.

<em><u>In mathematics, a cylinder is a three-dimensional solid that holds two parallel bases joined by a curved surface, at a fixed distance. These bases are normally circular in shape (like a circle) and the center of the two bases are joined by a line segment, which is called the axis</u></em>
Answer:
20 + d = 40
Step-by-step explanation:
It gives you 20 so you just say you want to add Donnie's age to equal 40. In math,
and/sum means add +
is means equals =