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 :

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

Heat will continue to move until the objects or areas have reached the same ______.

For algebraic expression 2x4 – 5x3 + 4x. + 7, find (5)a) Degree of polynomialb) Number of termsc) Constant termd) Coefficient of xe) Numerical coefficient of -5

why? so i was taking a test today and i had to use brainly for help and so i took my test and i was confident to turn it in i got a 60 now i used brainly for ev

I NEED HELP ITS KINDA EASY BUT NOT FOR ME

5. (Liquids Gases) have particles with enough energy to spread out throughoutcontainer. * A)Liquids B)Gases

en caso de infedilidad por parte de la mujer ateniense cual era su castigo

Compound X has a molar mass of 104.01 g.mol and the following composition: element mass % nitrogen 26.93% fluorine 73.07% Write the molecular formula of X.

An equation of the line that passes through the point (0,-1) and whose slope is 2 is? 1) y=2x-1 2) y= 2x+2 3) y= -x+2 4) y= -2x-1 Please show your work!

Use the following information available as of December 31 to prepare an income statement for the year and a balance sheet for Goldie Company. Fees for services

9. The biggest cycle of money in the circular flow model is