alliekatz2005 alliekatz2005
  • 25-11-2019
  • Mathematics
contestada

A rectangular picture has a height that is 5/7 of its width. It’s area is 140 square inches. What are the dimensions of the picture?

Respuesta :

salatulmaghrib
salatulmaghrib salatulmaghrib
  • 25-11-2019
Area = a
width = w
height = h
a = wh
h = (5/7)w
h = 5w/7
a = (5w/7)(w)
a = 140
140 = (5w/7)(w)
140 = (5w^2)/7
sqrt((140*7)/5) = w
14 = w
h = 5*14/7 = 10

Dimensions: height 10 inches, width 14 inches
Answer Link

Otras preguntas

the school can only seat 50 students in every bus. If the school is planning on taking 360 students on a field trip. How many busses do they need. (show work) w
At a country concert, the ratio of the number of boys to girls is 2:7. If there are 250 more girls than boys, how many boys are a the concert?
what process takes place inside chloroplasts
Based on simple interest, find the total amount saved or owed. principal = $1700; rate = 6%; time = 5 years A. $1802 B. $1904 C. $2210 D. $2312
Non examples of globalization
A number divided by 43 has a quotient of 3 and a remainder of 28. Find the number
The start-up cost to join eTunes music is $7.95 plus $0.95 per song downloaded. If Will spent $26, write and solve a linear equation to find how many songs he d
Please help me in this question
what was the first full-size book to be printed on a printing press in Europe? A. Utopia B. The Bible C. The Prince D. The Divine Comedy
Two of the main events that fueled the start of the French Revolution were the Enlightenment and the ? I know its the age of science i read and such but im thin