lindseyneville68 lindseyneville68
  • 04-05-2021
  • Mathematics
contestada

the width of a rectangle is 7 cm less than twice its length. its area is 30 square cm. find the dimensions

Respuesta :

MarvelDude MarvelDude
  • 04-05-2021

Answer:

l = 6 cm

w = 5 cm

Step-by-step explanation:

l(2l - 7) = 30

2l^2 - 7l - 30

(2l + 5)(l - 6)

l = 6

2(6) - 7 = 5

Answer Link

Otras preguntas

fill the blanks : a standing wave can only exist when the.....path around the nucles accommodates a certain number of....... 1.orbit 2.wavelength 3.frequency 4.
Solve [y] = -18. Help pls
please help me Iam giving test. and find H.C.F.​
Does the following represent a function? f = [ (3, -1), (2, 5), (4, -6), (3, 4), (5, -8) ]
9. The election process is conducted and supervised by an independent body called the __________.
Please help me I’m in desperate need.
the capacity of two mil pitcher on the counter is 9/10 liter each.One pitcher has 3/8 liter of milk in it and the other pither has 5/12 liter of milk in it.How
Can somebody tell me the domain and show me or tell me the work plz.
the Constitution of the United can be
Which basin in texas is rich in petroleum