Answer:
the surface of area is 14cm to 2cm to 6cm please rate my answer
Answer:
(x, y) = (8, -2)
Step-by-step explanation:
Substitute:
3(-4y) + 2y = 20
-12y + 2y = 20
-10y = 20
y = -2
x = -4(-2) = 8
Answer:
See below
Step-by-step explanation:
11 box 1: 12
11 box 2: 101
12 box 1: 80
12 box 2: 80
12 box 3: 80
13 box 1: 16
13 box 2: 16
13 box 3: 76
20 = y + 12
20 - 12 = y + 12 - 12
8 = y
x + 2 = 19
x + 2 - 2 = 19 - 2
x = 17
z - 313 = 176
z - 313 + 313 = 176 + 313
z = 489
Answer:
12
Step-by-step explanation:
Start at negative 8 on the number line than move to positive 20
The height of the stack is given by the sum of the heights of the boxes:

In order to convert this result in meter, remember that

So, to covert form centimeters to meters we have to multiply by 0.01 (or divide by 100).
Which means that
