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

The 1994 Cairo Conference addressed the main issue of _____. A. natural disasters B. political instability C. overpopulation D. men's rights

Which of the following is a unit of measurement in the metric system? Pound Gram Mile Fahrenheit

Simplify the expression below 5+3*2-4^2*|-2| A) 43 B) 48 C)-16 D)-21

PLZ HELP HURRY!!!! Subtract. –12 – (–17) A. –29 B. –5 C. 5 D. 29

Will award What became a stumbling block when the U.S. and France were negotiating a peace with the British? A. France wanted England to return Gibraltar to Spa

Jenny spent 35 minutes doing research on the Internet. She finished at 7:10p.m. At which time did Jenny start her research?

how many acres of land are in a rectanglar parcel 234' * 878'

Brita withdrew $225 from her bank account.After her withdrawal,there was $548 left in brita's account. How much money did Brita have in her account before the w

what is 3 4ths of 3,600?

4. How many moles are in 54.0 grams of Silver? 54.0 g Ag x (108mol ag /1 g ag ) = 5,832 ag moles Ag (Use the gray boxes to insert the values for the conversion