A two-dimensional shape has length and width. A three-dimensional solid shape also has depth. Three-dimensional shapes, by their nature, have an inside and an outside, separated by a surface. All physical items, things you can touch, are three-dimensional.
Answer:
u kind of forgot the attachment bestie
Answer: f(2)=15, f(-2)=18, all real #s
Step-by-step explanation:
1. f(2)=4(2)^2-2+1=16-1=15
2. f(-2)=4(-2)^2-(-2)+1=16+3=18
Answer:
x lessthen or equel to 3/2
Step-by-step explanation:
Answer:
Step-by-step explanation:
We can write the following system of equations:
, where 
is the number of dimes she has and 
is the number of nickels she has.
Multiply the second equation by 
and add both equations to solve for :
.
Plug 
into any equation to solve for :
