tuckerjcaldwell
tuckerjcaldwell tuckerjcaldwell
  • 25-04-2017
  • Mathematics
contestada

If the perimeter is 22 inches and the area is 28 square inches. What are the dimensions.

Respuesta :

irspow
irspow irspow
  • 25-04-2017
P=2x+2y

P=2(x+y)

y=(P/2)-x

A=xy and using y from above we get:

A=(Px/2)-x^2  since A=28 and P=22

28=(22x/2)-x^2

28=11x-x^2

x^2-11x+28=0

(x-7)(x-4)

So the dimensions are 7 inches by 4 inches


Answer Link

Otras preguntas

State 3 importance of motifs in dance.
!¡HELP ASAP¡! What are these people doing before the party? Use the present progressive and a direct object pronoun in your sentences. MODELO Jazmín / servir /
Pablo jogs 1 1/3 miles from his house. He then jogs 2 1/8 miles farther. How many miles has Pavlo jogged in all?
Trigonometric ratioadjacent= 12 cmangle= 22°find the opposite side by using tan.​
When Famke charges her phone, it gains 2 percentage points each minute. When Famke uses her phone, it loses 5 percentage points each minute. Once, Famke used he
step by step explanation please. i want to try to understand it.
A 30-foot ramp is used to move product to a loading dock. The ramp makes a 24° angle with the horizontal. The ramp is to be replaced with a ramp that is 50 feet
I need help with the first question
How much faster does sound travel through water than through air? a/two times faster b/five times faster c/four times faster
50 POINTS!! What is the relationship between the molecular structure of polypropylene and its macroscopic properties such as strength, flexibility, electrical c