bjflash5992 bjflash5992
  • 04-02-2018
  • Mathematics
contestada

A rectangular countertop has a perimeter of 26 feet. its area is 30 square feet. what are the dimensions of the counter?

Respuesta :

dannielle
dannielle dannielle
  • 04-02-2018
P=26=2*(l+L)
⇒ l+L=26:2=13 feet
l=3, L=10

A=l*L=30=10*3

⇒ l=3 feet
    L=10 feet
Answer Link

Otras preguntas

in the xy-plane above, point c has coordinates (6,9). which of the follwoing is an equation of the line that contains points 0 and c?
Find 4 consecutive even integers where the product of the two smaller numbers is 72 less than the product of the two larger numbers?
What is a synonym for sensory language?A.simileB.fluencyC.metaphorD.imagery im thinkin D?
Earth is a close approximation of a natural closed system.  What are some ways that living in a closed system affects each of us.
Perimeter of a square with an area of 81cm2
in the xy-plane above, point c has coordinates (6,9). which of the follwoing is an equation of the line that contains points 0 and c?
find the point on the y-axis that is equidistant from (6,1) (-2,-3)
where did japan first expand its empire after 1930
Which expression can be used to change 75 kilometers per hour to meters per minute?
How is 3x-y=8 and x+2y=5 solved by combination (addition)?????