karlyaaanis23 karlyaaanis23
  • 02-04-2020
  • Mathematics
contestada

a rectangle has a length of 12 feet and a perimeter of 40 feet
A-8 feet
B-12 feet
C-16 feet
D-28 feet

Respuesta :

ghanami
ghanami ghanami
  • 02-04-2020

Answer:

x= 8 feet   (answer : A)

Step-by-step explanation:

hello :

the perimeter is : P= 2(x+y)       y : the length      x : the width

P=40   and  y = 12    calculate : x

2(x+12) =40

divid by 2 :  x+12 =20

x=20-12

x= 8 feet

Answer Link

Otras preguntas

Hey I'm not too sure about this. What would the exact trig value be? Thanks.
Arrange the steps of the legislative process in the correct order.
HELP ME!! You are playing a dice game called Noluz against one other person. Each time you play, both players pay a quarter. You win the money if a 1 or 4 shows
Which of the following is NOT true of chemical digestion? a. it consists of a series of catabolic reactions b. it uses a variety of enzymes c. it includes ch
Which of the followings is not true? a. Water levels in aquifers can change due to groundwater extraction. b. Around clusters of pumping wells, cone of depressi
A man with Huntington's Disorder marries a normal woman and they have 6 children. What chance do their children have for having the disorder?
Simplify the expression.3y2 – 2y[4y - Y(y– 3)] – [2y(y + 1)-3y(y^2-1)] =​
What is a solution that has excess of hydroxide ions
The table shows the salary of an employee after x years of working for Company A. The linear function y = 200x + $29,000 represents the salary, y, of an employe
What day is considered to be the first day of a female's reproductive cycle?