Answer:
71.2 km²
Step-by-step explanation:
Triangles: 1/2(8)(3.9)=15.6 (2 of them - front and back)
Base: 8x2=16
Side: 4x2=8
Slant:8x2=16
15.6+15.6+16+8+16=71.2
Answer:
A straight horizontal line ranging from -3 to 1
Step-by-step explanation:
Draw a cartesian plane. Plot (0,-3) and (1,0)
First plotting: x = 0, y = -3
Second plotting: x = 1, y = 0
The plotting gives a straight horizontal line (drawn from left to right)
Answer:
Decreased by 40%!
Step-by-step explanation:
At first it goes down by 10%, then 30%, so you just add them together and get decreased by 40%.
Answer: simplifying expression
Step-by-step explanation: