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

what is the unit rate in dollars per hour if u have 3.5 hours equals $10
Christine baked a pumpkin pie. She ate 1/6 of the pie. Her brother ate 1/3 of it , and gave the left overs to his friends . What fraction of the pie did he gave
Use the figure to help you find the weight (Fg) of the body if the tension in both wires is 3.7 newtons.
Which statement distinguishes the light-dependent (L-D) reaction from the light-independent (L-IND) reaction? a. the L-D reaction occurs in the thylakoid membra
what is 9/16 closer to 0, 1, or 1/2?
6x+15y=-45 6x+5y=-35
Help please!!!!!!!!!!!!!!!!!!!!!!
What are some reasons why European powers created African colonies
write a real-world problem that can be modeled by the equation 1.25x=0.75x+50
What two states gave up land to create space for our nation's capital?