staceysucely240 staceysucely240

22-05-2020
Mathematics

contestada

A rectangular front porch has a perimeter of 30 feet. Its area is 50 square feet. What are the dimensions of the porch?

Respuesta :

Persona180 Persona180

22-05-2020

Answer:

5 ft x 10 ft

Step-by-step explanation:

2w+2l=30

lw=50

l=50/w

2w+2(50/w)=30

2w+100/w=30

2w^2+100=30w

2w^2-30w+100=0

w=5, 10

Therefore, the dimensions are 5x10

Answer Link

Otras preguntas

What is food energy in the form of glucose?

To pay for a sofa, Maddie made a payment of 64 dollars each month for one year. How much did the sofa cost?

Solve and find the integer of 4x^2-19x-5

'Talent shows like the X factor provide cheap television, gossip and nothing of any value. There are better programmes than these.' What does anyone have to say

Tiffany is filling her daughter's pool with water for a hose.she can fill the pool at a rate of 1/10 gallons/second.create at least three equivalent ratios that

Daniel and William have some marbles. Daniel finds that 2/5 of the number of marbles he has is 4/5 the number of marbles William has. William has 195 marbles. H

use the cardinal directions to describe the location of the state of Ohio in relation to its surrounding states and Lake Erie

each can of paint will cover 450 tiles. Augustin is painting 300 tiles in his bathroom, 675 in his kitchen, and 100 in his hallway. How many cans of paint does

List three European countries and the areas in the Americas where they established settlements

What is the Best way to conduct a survey?