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

Which statement is an accurate description of the America States can make their own choices, as they have powe State and federal governments are run separately,

A foreign subsidiary of a U.S.-based company has been notified of a loss contingency with an estimated cost ranging between $220,000 and $250,000 which is proba

Which of the following are examples of a function? Justify your answers. b. The assignment of U.S. citizens to Social Security numbers.

Name three types of plants that provide fiber used in clothing

A Scale model of a race car is 18.6 cm long and 6.9 cm wide each centimeter on the model represent 0.3 m on the actual car how long is the actual car

Laura is a billing clerk in a medium-sized manufacturing company. She reports to the Supervisor of Accounts Payable, who in turn reports to the Manager of Acc

A(n) wave carries energy through matter.

Although scientific theories are based on strong evidence, they can change over time. Which of the following correctly explains why scientific theories change?

Where in Canada is Potash found?

Use these numbers: the cart mass is 40.0 kg, and the initial velocity (at t = 0 s ) is 3.00 m/s in the negative x direction. Find the velocity of the cart at t