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 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 mineral has 2 sugar-cube sized, irregularly shaped pieces. Brassy-yellow in color with metallic luster. Flat surfaces look like little squares. Feels quite
L=1/4mv2 solve for m (Literal equation )
HELP AFAP What other facts about the mummies would help solve the mystery of the mummies' racial origins? What types of artifacts would help determine where the
which of the following cannot be simplified ?
Help solving this math homework
how did fossils of trees get in anartica
Solve the inequality 6(x/2+4) greater than or equal to 9
Calculate the mass of calcium carbonate present in a 50.00 mL sample of an aqueous calcium carbonate standard, assuming the standard is known to have a hardness
why do we have white skin​
During the days leading to her piano recital, Lana practiced an average of 1 5/12 hours per day.Her total practice time was 11 1/3 hours. How many days did she