Klopez43KL Klopez43KL
  • 11-03-2015
  • Mathematics
contestada

A rectangle has a perimeter of 18cm. It's length is 5cm greater than its width. Find the dimensions.

Respuesta :

secret13 secret13
  • 11-03-2015
L = W + 5

2L + 2W = 18

2 (W+5) + 2W = 18

2W + 10 + 2W = 18

4W = 18 - 10

4W = 8 ÷ 4

~~~~~~~~~~~~~~~~~~~~~~

W = [tex] \frac{8}{4} [/tex] = [tex] \frac{2}{1} [/tex] = 2
L = 2 + 5 = 7

Width = 2 cm
Length = 7 cm
Answer Link

Otras preguntas

On the lines provided, identify the stage of meiosis i or meiosis ii in which the event described occurs
What did the Meiji reformers want to retain, despite their quest for modernization?
What volume of 2.0 M NaCl would be needed to make 200 mL of 1.0 M NaCl?
What is the best reason that brightly colored feathers could be an adaptation for a bird living in a temperature forest
How did the presence of resources such as gold and salt help lead to the development of great kingdoms in West Africa?
Which statement best describes the relationship between the products of photosynthesis and the reactants in cellular respiration
How does this former professional con man portray himself as a reliable narrator?
heeelpppp!!! ok so..If i was needed to make 30 cupcakes but the recipe is for 10 cupcakes and if i was making 10 cupcakes i would need 1/2 cups of vegetable oil
“The clash of opposing wills or forces” is a good definition for _____.
why do people need glasses