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

Which animal never drinks water in its entire life? a. Kangaroo b. Hippopotamus c. Rat d. Kangaroo rat

How many cubic units is a box that is 3 units high, 3 units wide, and 2 units deep?

Que hacia tu mama o papa cuando el or Ella tenia cinco anos

Express the density 5.6 g/cm3

It costs $35 for admission to Great Adventure plus $5 for each ice cream sandwich you buy. If you brought $92 dollars to the park, how many ice cream sandwiches

What is one of the central themes in the ramayana?

Hibernia was the ancient name for ________

How many grams of nh3 can be produced from 3.42 mol of n2 and excess h2?

What characteristics disqualifies the organism as being an animal?

Describe two example of how an understanding of genetics is making new fields of health care treatment or diagnosis)possible