Hr7eneePliven
Hr7eneePliven Hr7eneePliven
  • 15-06-2016
  • Mathematics
contestada

(c) Express the diagonal of a rectangle, D, in terms of its width, w, if the area of the rectangle is 13 square feet.
D(w) =

Respuesta :

HomertheGenius
HomertheGenius HomertheGenius
  • 20-06-2016
Diagonal of a rectangle:
D²=W²+L²        ( W-width, L-length)
The area :  W*L= 13 ⇒  L=[tex] \frac{13}{W} [/tex]
D=[tex] \sqrt{W^{2} + (\frac{13}{W})^{2} } = \sqrt{W^{2} + \frac{169}{W^{2} } }= \\ = \sqrt{ \frac{W^{4}+169 }{W^{2} } }= \frac{ \sqrt{W^{4} +169} }{W} [/tex]
 
Answer Link

Otras preguntas

HELP PLEASE!! Evaluate 4(x +3)(x +1)(x+5)(x-5) for x =3
Need help please. Which word best describes a strong feeling of calm? a) satisfied b) peaceful c) contented d) pleased
Total weekly salaries expense for all employees is $10,000. This amount is paid at the end of the day on Friday of each five-day workweek. April 30 falls on a T
Find the height H of the flagpole
HELP PLEASE !!!!!! Need
Could I combine 4x2 with -12x?
How many meters are in 55 kilometers? Express your answer using two significant figures.
Which term describes a physical activity that includes both cardio and strength-training exercises? A. stretching B. anaerobic and aerobic C. aerobic D. anaerob
Your friend Sylvie sees you in the hallway. What would you say to say "hi"? Bonne nuit! ça va? Salut A toute à l'heure
find the solution of 2b + 1/2 = 3 if the replacement set is (1/2 , 3/4 , 1 , 5/4 , 3/2 , 7/2)