mateoromerocampo2008 mateoromerocampo2008

04-03-2022
Mathematics

contestada

The width of a rectangle is 7 less than the length. If the perimeter of the rectangle is 43.6 inches, what is the area of the rectangle?

Respuesta :

04-03-2022

Call the length a, the width b

Perimeter = (a+b) x 2

And since we have (a+b) x 2 = 43.6, a + b = 43.6 : 2 = 21.8

a + b = 21.8
a - b = 7

-> a + b + (a - b) = 28.8
2a = 28.8
a = 14.4
b = 7.4

So, the area of the rectangle is 14.4 x 7.4 = 106.56

Answer Link

Otras preguntas

the best way to make inferences is to combine background knowledge with what

An elevator is initially at rest on the second floor of a building. A person on the tenth floor pushes the down button for the elevator. Describe the motion of

you set up a plan to try to make yourself healthier. To become socially healthier you seek out friendships that are

Given x^2 + y^2 = 36 and xy = -10 find x + y.

we were given the equation a/b=c/d and asked to solve for a i dont know how to do this someone please help!!!!!!

Use complete sentences to describe a relationship between two sets that you can describe mathematically. For example, if you make a habit of eating 10 carrot st

What happens to Arachne in the myth?

the primary hormone responsible for physiological stress responses such as increased heart rate is: a. thyroxin. b. cortisol. c. insulin. d. epinephrine.

how to solve this shot?

evaluate the expression to find the total number of muffins and bagels joans sells in 5 days