1+3x
Distribute -7 through the parenthesis
Hey there! :)
Answer:
r = 20.
Step-by-step explanation:
Given:
-4 = r/20 - 5
Begin by adding 5 to both sides:
-4 + 5 = r/20 - 5 + 5
1 = r/20
Multiply both sides by 20:
1 · 20 = r/20 · 20
r = 20.
Lines AB and CD will never intersect
Answer:
60 cm²
Step-by-step explanation:
The side of the square is 8 cm, so the perimeter is:
P = 4s
P = 4 (8 cm)
P = 32 cm
The perimeter of the rectangle is:
P = 2w + 2h
32 cm = 2 (10 cm) + 2h
32 cm = 20 cm + 2h
12 cm = 2h
h = 6 cm
So the area of the rectangle is:
A = wh
A = (10 cm) (6 cm)
A = 60 cm²
The missing exponent must be x^2. In order for it to be in standard form it should be in descending order.
Hope this helps :-)