Answer:
B
Step-by-step explanation:
the perimeter (P) of a rectangle is calculated as
P = 2l + 2w ( l is the length and w the width ) , then
P = 2(3 ) + 2( ) ← distribute both parenthesis )
= 6 + 2
= 8
Answer:
13x-14
Step-by-step explanation:
i just had to solve it
Answer:
Average income for the remaining 8 months = $2,111.25
Step-by-step explanation:
Given:
Average income of 4 months = $1,420.25
Annual average income = $1,780.75
Find:
Average income of 8 months
Computation:
⇒ Annual average income = [Average income of 4 months + Average income of 8 months] / 2
⇒ $1,780.75 = [$1,420.25 + Average income of 8 months] / 2
⇒ $3,561.5 = $1,420.25 + Average income of 8 months
⇒ Average income of 8 months = $3,561.5 - $1,420.25
Average income of 8 months = $2,111.25
Answer:
Step-by-step explanation:
Initial length of the cardboard was y cm, and width was x cm.
The new dimensions are:
length = (y - 25) cm
width = (x - 15) cm
Area of the new rectangle = length x width
= (y - 25) x (x - 15)
= (y - 25) (x - 15)
Perimeter = 2 ( length + width)
= 2 ((y - 25) + (x - 15))
= 2(y - 25) + 2(x - 15)
Therefore:
2(x + y) - 40 is neither of these
2(x - 15) + 2(y - 25) is the perimeter
(x - 15)(y - 25) is the area
(x - 25)(y - 15) is neither of these
2(x - 15)(y - 25) is neither of these
2x + 2y - 80 is the perimeter
xy - 375 is neither of these
x + y - 40 is neither of these