almight123456 almight123456
  • 16-09-2020
  • Mathematics
contestada

a rectangular shape waiting room has an area 120ft and a perimeter of 44 ft.what are the dimensions?

Respuesta :

Derekwolfie3
Derekwolfie3 Derekwolfie3
  • 16-09-2020

Answer: W * L = 120

2W + 2L = 44

2W = 44 - 2L

W = 22 - L

(22-L) * L = 120

22L - L² = 120

L² - 22L = -120

L² - 22L + 121 = 121 - 120

(L - 11)² = 1

L - 11 = ±1

L = 11 ± 1

L = 10 or 12

Dimensions: 10 * 12

Step-by-step explanation: write it on paper

Answer Link

Otras preguntas

what is same about all myriapods
why did jefferson's beliefs worry Federalists?
Calculate the discriminant.x2 – 2x + 4 = 0      20      12    –12      0
What is on reason why the Hebrews left Egypt?
which are the numbers that are common multiples of 6 and 8.12 18 24 30 40 48
which state was the first to abolish slavery
how does geography affect Philippines history?
What are two ways volcanoes can form near converging plate boundaries?
How did people use constellations to decide when to plant crops
The ratio of the side lengths of two regular hexagons is 3 to 7. If the area of the smaller hexagon is 18 square units, then the area of the larger hexagon is _